Mercurial > hg > sidinfo
annotate sidlib.c @ 262:ef1d6d16718e
s/SIDLibSTILSubNode/SIDLibSTILSubTune/g
author | Matti Hamalainen <ccr@tnsp.org> |
---|---|
date | Sun, 05 Jan 2020 23:47:28 +0200 |
parents | 39a03560163d |
children | 0b66189c73d7 |
rev | line source |
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70
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1 /* |
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2 * SIDInfoLib - Way too simplistic PSID/RSID file library |
171
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3 * Programmed and designed by Matti 'ccr' Hämäläinen <ccr@tnsp.org> |
227 | 4 * (C) Copyright 2014-2020 Tecnic Software productions (TNSP) |
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5 */ |
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6 #include "sidlib.h" |
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7 #include "th_endian.h" |
85
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8 #include "th_string.h" |
70
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9 |
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10 |
222
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11 BOOL sidlib_fread_str(th_ioctx *ctx, char **str, const size_t len) |
128
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12 { |
242 | 13 char *tmp; |
14 | |
15 if ((*str = tmp = th_malloc(len + 1)) == NULL) | |
232
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16 { |
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17 th_io_error(ctx, THERR_MALLOC, |
239 | 18 "Could not allocate %" PRIu_SIZE_T " bytes for a string.", |
232
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19 len); |
128
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20 goto err; |
232
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21 } |
128
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22 |
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23 if (!thfread_str(ctx, tmp, len)) |
232
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24 { |
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25 th_io_error(ctx, THERR_FREAD, |
239 | 26 "Could not read %" PRIu_SIZE_T " bytes from file.", |
232
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27 len); |
128
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28 goto err; |
232
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29 } |
128
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30 |
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31 tmp[len] = 0; |
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32 return TRUE; |
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33 |
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34 err: |
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35 th_free(tmp); |
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36 return FALSE; |
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37 } |
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38 |
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39 |
239 | 40 static int sidlib_read_hash_data(th_ioctx *ctx, SIDLibPSIDHeader *psid, |
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41 th_md5state_t *state, const BOOL newSLDB) |
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42 { |
239 | 43 int ret = THERR_OK; |
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44 uint8_t *data = NULL; |
239 | 45 BOOL first = TRUE; |
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46 size_t read; |
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47 |
230 | 48 if ((data = (uint8_t *) th_malloc(SIDLIB_BUFFER_SIZE)) == NULL) |
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49 { |
239 | 50 ret = th_io_error(ctx, THERR_MALLOC, |
51 "Error allocating temporary data buffer of %d bytes.", | |
230 | 52 SIDLIB_BUFFER_SIZE); |
239 | 53 goto exit; |
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54 } |
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55 |
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56 psid->dataSize = 0; |
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57 do |
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58 { |
230 | 59 read = thfread(data, sizeof(uint8_t), SIDLIB_BUFFER_SIZE, ctx); |
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60 psid->dataSize += read; |
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61 |
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62 // If load address is 0 in header and we have the first block, grab it |
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63 if (first && psid->loadAddress == 0) |
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64 { |
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65 if (read < 4) |
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66 { |
239 | 67 ret = th_io_error(ctx, THERR_FREAD, |
68 "Error reading song data, unexpectedly small file."); | |
69 goto exit; | |
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70 } |
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71 |
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72 // Grab the load address |
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73 psid->loadAddress = TH_LE16_TO_NATIVE(*(uint16_t *) data); |
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74 |
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75 // .. do not include the load address to the hash if NEW SLDB format |
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76 if (newSLDB) |
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77 th_md5_append(state, &data[2], read - 2); |
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78 else |
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79 th_md5_append(state, data, read); |
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80 |
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81 first = FALSE; |
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82 } |
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83 else |
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84 if (read > 0) |
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85 { |
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86 // Append data "as is" |
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87 th_md5_append(state, data, read); |
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88 } |
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89 } while (read > 0 && !thfeof(ctx)); |
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90 |
239 | 91 exit: |
163
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92 th_free(data); |
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93 return ret; |
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94 } |
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95 |
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96 |
239 | 97 int sidlib_read_sid_file(th_ioctx *ctx, SIDLibPSIDHeader *psid, const BOOL newSLDB) |
163
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98 { |
239 | 99 int ret = THERR_OK; |
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100 th_md5state_t state; |
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101 off_t hdrStart, hdrEnd; |
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102 |
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103 hdrStart = thftell(ctx); |
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104 |
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105 // Read PSID header in |
223
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106 if (!thfread_str(ctx, (uint8_t *) psid->magic, SIDLIB_PSID_MAGIC_LEN) || |
85
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107 !thfread_be16(ctx, &psid->version) || |
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108 !thfread_be16(ctx, &psid->dataOffset) || |
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109 !thfread_be16(ctx, &psid->loadAddress) || |
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110 !thfread_be16(ctx, &psid->initAddress) || |
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111 !thfread_be16(ctx, &psid->playAddress) || |
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112 !thfread_be16(ctx, &psid->nSongs) || |
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113 !thfread_be16(ctx, &psid->startSong) || |
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114 !thfread_be32(ctx, &psid->speed)) |
70
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115 { |
239 | 116 ret = th_io_error(ctx, ctx->status, |
117 "Could not read PSID/RSID header from '%s': %s.", | |
185
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118 ctx->filename, th_error_str(ctx->status)); |
239 | 119 goto exit; |
70
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120 } |
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121 |
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122 psid->magic[SIDLIB_PSID_MAGIC_LEN] = 0; |
70
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123 |
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124 if ((psid->magic[0] != 'R' && psid->magic[0] != 'P') || |
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125 psid->magic[1] != 'S' || psid->magic[2] != 'I' || psid->magic[3] != 'D' || |
133
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126 psid->version < 1 || psid->version > 4) |
70
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127 { |
239 | 128 ret = th_io_error(ctx, THERR_NOT_SUPPORTED, |
129 "Not a supported PSID or RSID file: '%s'", | |
185
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130 ctx->filename); |
239 | 131 goto exit; |
70
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132 } |
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133 |
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134 psid->isRSID = psid->magic[0] == 'R'; |
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135 |
223
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136 if (!sidlib_fread_str(ctx, &psid->sidName, SIDLIB_PSID_STR_LEN) || |
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137 !sidlib_fread_str(ctx, &psid->sidAuthor, SIDLIB_PSID_STR_LEN) || |
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138 !sidlib_fread_str(ctx, &psid->sidCopyright, SIDLIB_PSID_STR_LEN)) |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
139 { |
239 | 140 ret = th_io_error(ctx, ctx->status, |
141 "Error reading SID file header from '%s': %s.", | |
185
2dfe46fda09e
Improve error handling through ioctx.
Matti Hamalainen <ccr@tnsp.org>
parents:
171
diff
changeset
|
142 ctx->filename, th_error_str(ctx->status)); |
239 | 143 goto exit; |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
144 } |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
145 |
4779bbec2f28
Split some functionality into sidlib.[ch].
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parents:
diff
changeset
|
146 // Check if we need to load PSIDv2NG header ... |
4779bbec2f28
Split some functionality into sidlib.[ch].
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parents:
diff
changeset
|
147 if (psid->version >= 2) |
4779bbec2f28
Split some functionality into sidlib.[ch].
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parents:
diff
changeset
|
148 { |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
149 // Yes, we need to |
85
4c0ecb078591
Rename various variables and functions and change relevant places to use the
Matti Hamalainen <ccr@tnsp.org>
parents:
77
diff
changeset
|
150 if (!thfread_be16(ctx, &psid->flags) || |
98
d9f38d657433
Match with th-libs API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
95
diff
changeset
|
151 !thfread_u8(ctx, &psid->startPage) || |
d9f38d657433
Match with th-libs API change.
Matti Hamalainen <ccr@tnsp.org>
parents:
95
diff
changeset
|
152 !thfread_u8(ctx, &psid->pageLength) || |
133
9cfa0553e7f9
Add support for reading PSID/RSID v4 in sidlib.
Matti Hamalainen <ccr@tnsp.org>
parents:
132
diff
changeset
|
153 !thfread_u8(ctx, &psid->sid2Addr) || |
9cfa0553e7f9
Add support for reading PSID/RSID v4 in sidlib.
Matti Hamalainen <ccr@tnsp.org>
parents:
132
diff
changeset
|
154 !thfread_u8(ctx, &psid->sid3Addr)) |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
155 { |
239 | 156 ret = th_io_error(ctx, ctx->status, |
157 "Error reading PSID/RSID v2+ extra header data from '%s': %s.", | |
185
2dfe46fda09e
Improve error handling through ioctx.
Matti Hamalainen <ccr@tnsp.org>
parents:
171
diff
changeset
|
158 ctx->filename, th_error_str(ctx->status)); |
239 | 159 goto exit; |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
160 } |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
161 } |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
162 |
163
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
163 hdrEnd = thftell(ctx); |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
164 |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
165 // Initialize MD5-hash calculation |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
166 th_md5_init(&state); |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
167 |
163
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
168 if (newSLDB) |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
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parents:
162
diff
changeset
|
169 { |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
170 // New Songlengths.md5 style hash calculation: |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
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parents:
162
diff
changeset
|
171 // We just hash the whole file, so seek back to beginning .. |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
172 thfseek(ctx, hdrStart, SEEK_SET); |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
173 |
239 | 174 if ((ret = sidlib_read_hash_data(ctx, psid, &state, FALSE)) != THERR_OK) |
175 goto exit; | |
163
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
176 |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
177 psid->dataSize -= hdrEnd - hdrStart; |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
178 } |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
179 else |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
180 { |
163
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
181 // "Old" Songlengths.txt style MD5 hash calculation |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
182 // We need to separately hash data etc. |
239 | 183 if ((ret = sidlib_read_hash_data(ctx, psid, &state, TRUE)) != THERR_OK) |
184 goto exit; | |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
185 |
163
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
186 // Append header data to hash |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
187 th_md5_append_le16(&state, psid->initAddress); |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
188 th_md5_append_le16(&state, psid->playAddress); |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
189 th_md5_append_le16(&state, psid->nSongs); |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
190 |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
191 // Append song speed data to hash |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
192 uint8_t tmp8 = psid->isRSID ? 60 : 0; |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
193 for (int index = 0; index < psid->nSongs && index < 32; index++) |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
194 { |
163
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
195 if (psid->isRSID) |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
196 tmp8 = 60; |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
197 else |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
198 tmp8 = (psid->speed & (1 << index)) ? 60 : 0; |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
199 |
163
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
200 th_md5_append(&state, &tmp8, sizeof(tmp8)); |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
201 } |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
202 |
163
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
203 // Rest of songs (more than 32) |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
204 for (int index = 32; index < psid->nSongs; index++) |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
205 th_md5_append(&state, &tmp8, sizeof(tmp8)); |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
206 |
163
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
207 // PSIDv2NG specific |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
208 if (psid->version >= 2) |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
209 { |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
210 // REFER TO SIDPLAY HEADERS FOR MORE INFORMATION |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
211 tmp8 = (psid->flags >> 2) & 3; |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
212 if (tmp8 == 2) |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
213 th_md5_append(&state, &tmp8, sizeof(tmp8)); |
179ffe97599c
Implement support for the "new" MD5 format of SLDB.
Matti Hamalainen <ccr@tnsp.org>
parents:
162
diff
changeset
|
214 } |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
215 } |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
216 |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
217 // Calculate the hash |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
218 th_md5_finish(&state, psid->hash); |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
219 |
239 | 220 exit: |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
221 return ret; |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
222 } |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
223 |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
224 |
239 | 225 int sidlib_read_sid_file_alloc(th_ioctx *ctx, SIDLibPSIDHeader **ppsid, const BOOL newSLDB) |
226
c32015f4969e
Rename PSIDHeader struct to SIDLibPSIDHeader to conform with the SIDLib
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
226 { |
c32015f4969e
Rename PSIDHeader struct to SIDLibPSIDHeader to conform with the SIDLib
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
227 if ((*ppsid = th_malloc0(sizeof(SIDLibPSIDHeader))) == NULL) |
239 | 228 return THERR_MALLOC; |
228 | 229 |
226
c32015f4969e
Rename PSIDHeader struct to SIDLibPSIDHeader to conform with the SIDLib
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
230 (*ppsid)->allocated = TRUE; |
c32015f4969e
Rename PSIDHeader struct to SIDLibPSIDHeader to conform with the SIDLib
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
231 |
c32015f4969e
Rename PSIDHeader struct to SIDLibPSIDHeader to conform with the SIDLib
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
232 return sidlib_read_sid_file(ctx, *ppsid, newSLDB); |
c32015f4969e
Rename PSIDHeader struct to SIDLibPSIDHeader to conform with the SIDLib
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
233 } |
c32015f4969e
Rename PSIDHeader struct to SIDLibPSIDHeader to conform with the SIDLib
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
234 |
c32015f4969e
Rename PSIDHeader struct to SIDLibPSIDHeader to conform with the SIDLib
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
235 |
c32015f4969e
Rename PSIDHeader struct to SIDLibPSIDHeader to conform with the SIDLib
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
236 void sidlib_free_sid_file(SIDLibPSIDHeader *psid) |
126
c1462b7880e8
Make si_read_sid_file() to allocate the PSIDHeader struct itself, adjust
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
237 { |
c1462b7880e8
Make si_read_sid_file() to allocate the PSIDHeader struct itself, adjust
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
238 if (psid != NULL) |
c1462b7880e8
Make si_read_sid_file() to allocate the PSIDHeader struct itself, adjust
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
239 { |
c1462b7880e8
Make si_read_sid_file() to allocate the PSIDHeader struct itself, adjust
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
240 th_free(psid->sidName); |
c1462b7880e8
Make si_read_sid_file() to allocate the PSIDHeader struct itself, adjust
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
241 th_free(psid->sidAuthor); |
c1462b7880e8
Make si_read_sid_file() to allocate the PSIDHeader struct itself, adjust
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
242 th_free(psid->sidCopyright); |
228 | 243 |
226
c32015f4969e
Rename PSIDHeader struct to SIDLibPSIDHeader to conform with the SIDLib
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
244 if (psid->allocated) |
c32015f4969e
Rename PSIDHeader struct to SIDLibPSIDHeader to conform with the SIDLib
Matti Hamalainen <ccr@tnsp.org>
parents:
224
diff
changeset
|
245 th_free(psid); |
126
c1462b7880e8
Make si_read_sid_file() to allocate the PSIDHeader struct itself, adjust
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
246 } |
c1462b7880e8
Make si_read_sid_file() to allocate the PSIDHeader struct itself, adjust
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
247 } |
c1462b7880e8
Make si_read_sid_file() to allocate the PSIDHeader struct itself, adjust
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
248 |
c1462b7880e8
Make si_read_sid_file() to allocate the PSIDHeader struct itself, adjust
Matti Hamalainen <ccr@tnsp.org>
parents:
104
diff
changeset
|
249 |
222
3a01518fffe0
Rename sidlib functions from si_* prefix to sidlib_*.
Matti Hamalainen <ccr@tnsp.org>
parents:
221
diff
changeset
|
250 const char *sidlib_get_sid_clock_str(const int flags) |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
251 { |
132
b3e034b8c4b9
Change how certain flags (for SID model and clock) are handled.
Matti Hamalainen <ccr@tnsp.org>
parents:
131
diff
changeset
|
252 switch (flags) |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
253 { |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
254 case PSF_CLOCK_UNKNOWN : return "Unknown"; |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
255 case PSF_CLOCK_PAL : return "PAL 50Hz"; |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
256 case PSF_CLOCK_NTSC : return "NTSC 60Hz"; |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
257 case PSF_CLOCK_ANY : return "PAL / NTSC"; |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
258 default : return "?"; |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
259 } |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
260 } |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
261 |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
262 |
222
3a01518fffe0
Rename sidlib functions from si_* prefix to sidlib_*.
Matti Hamalainen <ccr@tnsp.org>
parents:
221
diff
changeset
|
263 const char *sidlib_get_sid_model_str(const int flags) |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
264 { |
132
b3e034b8c4b9
Change how certain flags (for SID model and clock) are handled.
Matti Hamalainen <ccr@tnsp.org>
parents:
131
diff
changeset
|
265 switch (flags) |
70
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
266 { |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
267 case PSF_MODEL_UNKNOWN : return "Unknown"; |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
268 case PSF_MODEL_MOS6581 : return "MOS6581"; |
4779bbec2f28
Split some functionality into sidlib.[ch].
Matti Hamalainen <ccr@tnsp.org>
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|
269 case PSF_MODEL_MOS8580 : return "MOS8580"; |
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Split some functionality into sidlib.[ch].
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270 case PSF_MODEL_ANY : return "MOS6581 / MOS8580"; |
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|
271 default : return "?"; |
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272 } |
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273 } |
86
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274 |
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275 |
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276 // Free memory allocated for given SLDB node |
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277 // |
222
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278 static void sidlib_sldb_node_free(SIDLibSLDBNode *node) |
86
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279 { |
170 | 280 if (node != NULL) |
86
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281 { |
256
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Not using th_free_r() here.
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diff
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|
282 th_free(node->lengths); |
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283 th_free(node); |
86
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284 } |
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285 } |
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286 |
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287 |
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288 // Parse a time-entry in SLDB format |
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289 // |
222
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290 static int sidlib_sldb_get_value(const char *str, size_t *pos) |
86
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291 { |
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292 int result = 0; |
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293 |
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294 while (isdigit(str[*pos])) |
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295 result = (result * 10) + (str[(*pos)++] - '0'); |
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296 |
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297 return result; |
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298 } |
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299 |
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300 |
222
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301 static int sidlib_sldb_gettime(const char *str, size_t *pos) |
86
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302 { |
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303 int result; |
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304 |
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305 // Check if it starts with a digit |
88
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More work on sidlib SLDB code.
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|
306 if (th_isdigit(str[*pos])) |
86
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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307 { |
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|
308 // Get minutes-field |
222
3a01518fffe0
Rename sidlib functions from si_* prefix to sidlib_*.
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221
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|
309 result = sidlib_sldb_get_value(str, pos) * 60; |
86
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310 |
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|
311 // Check the field separator char |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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312 if (str[*pos] == ':') |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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313 { |
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|
314 // Get seconds-field |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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315 (*pos)++; |
222
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Rename sidlib functions from si_* prefix to sidlib_*.
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|
316 result += sidlib_sldb_get_value(str, pos); |
86
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317 } |
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318 else |
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319 result = -2; |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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|
320 } |
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321 else |
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322 result = -1; |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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323 |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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changeset
|
324 // Ignore and skip the possible attributes |
88
c5ff71d64e53
More work on sidlib SLDB code.
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86
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|
325 while (str[*pos] && !th_isspace(str[*pos])) |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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|
326 (*pos)++; |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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|
327 |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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changeset
|
328 return result; |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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diff
changeset
|
329 } |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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changeset
|
330 |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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diff
changeset
|
331 |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
332 // Parse one SLDB definition line, return SLDB node |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
333 // |
239 | 334 static int sidlib_sldb_parse_entry(th_ioctx *ctx, SIDLibSLDBNode **pnode, const char *line) |
86
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
335 { |
239 | 336 int ret = THERR_OK; |
337 SIDLibSLDBNode *node; | |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
338 size_t pos, tmpLen, savePos; |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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changeset
|
339 BOOL isOK; |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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diff
changeset
|
340 int i; |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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diff
changeset
|
341 |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
342 // Allocate new node |
239 | 343 if ((*pnode = node = (SIDLibSLDBNode *) th_malloc0(sizeof(SIDLibSLDBNode))) == NULL) |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
344 { |
239 | 345 ret = th_io_error(ctx, THERR_MALLOC, |
346 "Error allocating new SLDB node for SongLengthDB file '%s' line #%d:\n%s", | |
347 ctx->filename, ctx->line, line); | |
348 goto exit; | |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
349 } |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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diff
changeset
|
350 |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
351 // Get hash value |
160 | 352 for (pos = 0, i = 0; i < TH_MD5HASH_LENGTH; i++, pos += 2) |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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diff
changeset
|
353 { |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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diff
changeset
|
354 unsigned int tmpu; |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
355 sscanf(&line[pos], "%2x", &tmpu); |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
356 node->hash[i] = tmpu; |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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diff
changeset
|
357 } |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
358 |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
359 // Get playtimes |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
360 th_findnext(line, &pos); |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
361 if (line[pos] != '=') |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
362 { |
239 | 363 ret = th_io_error(ctx, THERR_INVALID_DATA, |
364 "'=' expected on column %d of SongLengthDB file '%s' line #%d:\n%s", | |
365 pos, ctx->filename, ctx->line, line); | |
366 goto exit; | |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
367 } |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
368 |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
369 // First playtime is after '=' |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
370 savePos = ++pos; |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
371 tmpLen = strlen(line); |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
372 |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
373 // Get number of sub-tune lengths |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
374 isOK = TRUE; |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
375 while (pos < tmpLen && isOK) |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
376 { |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
377 th_findnext(line, &pos); |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
378 |
222
3a01518fffe0
Rename sidlib functions from si_* prefix to sidlib_*.
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parents:
221
diff
changeset
|
379 if (sidlib_sldb_gettime(line, &pos) >= 0) |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
380 node->nlengths++; |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
381 else |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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85
diff
changeset
|
382 isOK = FALSE; |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
383 } |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
384 |
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Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
385 // Allocate memory for lengths |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
386 if (node->nlengths == 0) |
239 | 387 { |
388 ret = THERR_OK; | |
389 goto exit; | |
390 } | |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
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parents:
85
diff
changeset
|
391 |
239 | 392 if ((node->lengths = (int *) th_calloc(node->nlengths, sizeof(int))) == NULL) |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
393 { |
239 | 394 ret = th_io_error(ctx, THERR_MALLOC, |
395 "Error allocating SLDB length data for SongLengthDB file '%s' line #%d:\n%s", | |
396 ctx->filename, ctx->line, line); | |
397 goto exit; | |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
398 } |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
399 |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
400 // Read lengths in |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
401 for (i = 0, pos = savePos, isOK = TRUE; |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
402 pos < tmpLen && i < node->nlengths && isOK; i++) |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
403 { |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
404 int l; |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
405 th_findnext(line, &pos); |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
406 |
222
3a01518fffe0
Rename sidlib functions from si_* prefix to sidlib_*.
Matti Hamalainen <ccr@tnsp.org>
parents:
221
diff
changeset
|
407 l = sidlib_sldb_gettime(line, &pos); |
239 | 408 |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
409 if (l >= 0) |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
410 node->lengths[i] = l; |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
411 else |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
412 isOK = FALSE; |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
413 } |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
414 |
239 | 415 return ret; |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
416 |
239 | 417 exit: |
222
3a01518fffe0
Rename sidlib functions from si_* prefix to sidlib_*.
Matti Hamalainen <ccr@tnsp.org>
parents:
221
diff
changeset
|
418 sidlib_sldb_node_free(node); |
239 | 419 return ret; |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
420 } |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
421 |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
422 |
236
609bfc1bd628
Change sidlib_sldb_new() API to int sidlib_sldb_new(SIDLibSLDB **pdbh).
Matti Hamalainen <ccr@tnsp.org>
parents:
232
diff
changeset
|
423 int sidlib_sldb_new(SIDLibSLDB **pdbh) |
88
c5ff71d64e53
More work on sidlib SLDB code.
Matti Hamalainen <ccr@tnsp.org>
parents:
86
diff
changeset
|
424 { |
236
609bfc1bd628
Change sidlib_sldb_new() API to int sidlib_sldb_new(SIDLibSLDB **pdbh).
Matti Hamalainen <ccr@tnsp.org>
parents:
232
diff
changeset
|
425 SIDLibSLDB *dbh; |
609bfc1bd628
Change sidlib_sldb_new() API to int sidlib_sldb_new(SIDLibSLDB **pdbh).
Matti Hamalainen <ccr@tnsp.org>
parents:
232
diff
changeset
|
426 if ((dbh = *pdbh = (SIDLibSLDB *) th_malloc0(sizeof(SIDLibSLDB))) == NULL) |
609bfc1bd628
Change sidlib_sldb_new() API to int sidlib_sldb_new(SIDLibSLDB **pdbh).
Matti Hamalainen <ccr@tnsp.org>
parents:
232
diff
changeset
|
427 return THERR_MALLOC; |
609bfc1bd628
Change sidlib_sldb_new() API to int sidlib_sldb_new(SIDLibSLDB **pdbh).
Matti Hamalainen <ccr@tnsp.org>
parents:
232
diff
changeset
|
428 |
609bfc1bd628
Change sidlib_sldb_new() API to int sidlib_sldb_new(SIDLibSLDB **pdbh).
Matti Hamalainen <ccr@tnsp.org>
parents:
232
diff
changeset
|
429 return THERR_OK; |
88
c5ff71d64e53
More work on sidlib SLDB code.
Matti Hamalainen <ccr@tnsp.org>
parents:
86
diff
changeset
|
430 } |
c5ff71d64e53
More work on sidlib SLDB code.
Matti Hamalainen <ccr@tnsp.org>
parents:
86
diff
changeset
|
431 |
c5ff71d64e53
More work on sidlib SLDB code.
Matti Hamalainen <ccr@tnsp.org>
parents:
86
diff
changeset
|
432 |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
433 // Read SLDB database to memory |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
434 // |
222
3a01518fffe0
Rename sidlib functions from si_* prefix to sidlib_*.
Matti Hamalainen <ccr@tnsp.org>
parents:
221
diff
changeset
|
435 int sidlib_sldb_read(th_ioctx *ctx, SIDLibSLDB *dbh) |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
436 { |
239 | 437 int ret = THERR_OK; |
88
c5ff71d64e53
More work on sidlib SLDB code.
Matti Hamalainen <ccr@tnsp.org>
parents:
86
diff
changeset
|
438 char *line = NULL; |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
439 |
230 | 440 if ((line = th_malloc(SIDLIB_BUFFER_SIZE)) == NULL) |
88
c5ff71d64e53
More work on sidlib SLDB code.
Matti Hamalainen <ccr@tnsp.org>
parents:
86
diff
changeset
|
441 { |
239 | 442 ret = th_io_error(ctx, THERR_MALLOC, |
443 "Error allocating temporary data buffer of %d bytes.", | |
230 | 444 SIDLIB_BUFFER_SIZE); |
239 | 445 goto exit; |
88
c5ff71d64e53
More work on sidlib SLDB code.
Matti Hamalainen <ccr@tnsp.org>
parents:
86
diff
changeset
|
446 } |
c5ff71d64e53
More work on sidlib SLDB code.
Matti Hamalainen <ccr@tnsp.org>
parents:
86
diff
changeset
|
447 |
230 | 448 while (thfgets(line, SIDLIB_BUFFER_SIZE, ctx) != NULL) |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
449 { |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
450 SIDLibSLDBNode *tmnode; |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
451 size_t pos = 0; |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
452 ctx->line++; |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
453 |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
454 th_findnext(line, &pos); |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
455 |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
456 // Check if it is datafield |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
457 if (th_isxdigit(line[pos])) |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
458 { |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
459 // Check the length of the hash |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
460 int hashLen; |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
461 for (hashLen = 0; line[pos] && th_isxdigit(line[pos]); hashLen++, pos++); |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
462 |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
463 if (hashLen != TH_MD5HASH_LENGTH_CH) |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
464 { |
239 | 465 ret = th_io_error(ctx, THERR_INVALID_DATA, |
466 "Invalid MD5-hash in SongLengthDB file '%s' line #%d:\n%s", | |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
467 ctx->filename, ctx->line, line); |
239 | 468 goto exit; |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
469 } |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
470 else |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
471 { |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
472 // Parse and add node to db |
239 | 473 if ((ret = sidlib_sldb_parse_entry(ctx, &tmnode, line)) != THERR_OK) |
474 goto exit; | |
475 | |
476 th_llist_append_node((th_llist_t **) &dbh->nodes, (th_llist_t *) tmnode); | |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
477 } |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
478 } |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
479 else |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
480 if (line[pos] != ';' && line[pos] != '[' && line[pos] != 0) |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
481 { |
239 | 482 ret = th_io_error(ctx, THERR_INVALID_DATA, |
483 "Invalid line in SongLengthDB file '%s' line #%d:\n%s", | |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
484 ctx->filename, ctx->line, line); |
239 | 485 goto exit; |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
486 } |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
487 } |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
488 |
239 | 489 exit: |
88
c5ff71d64e53
More work on sidlib SLDB code.
Matti Hamalainen <ccr@tnsp.org>
parents:
86
diff
changeset
|
490 th_free(line); |
239 | 491 return ret; |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
492 } |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
493 |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
494 |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
495 // Compare two given MD5-hashes. |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
496 // Return: 0 if equal |
102 | 497 // negative if hash1 < hash2 |
498 // positive if hash1 > hash2 | |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
499 // |
222
3a01518fffe0
Rename sidlib functions from si_* prefix to sidlib_*.
Matti Hamalainen <ccr@tnsp.org>
parents:
221
diff
changeset
|
500 static int sidlib_sldb_compare_hash(th_md5hash_t hash1, th_md5hash_t hash2) |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
501 { |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
502 int i, delta; |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
503 |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
504 for (i = delta = 0; i < TH_MD5HASH_LENGTH && !delta; i++) |
102 | 505 delta = hash1[i] - hash2[i]; |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
506 |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
507 return delta; |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
508 } |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
509 |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
510 |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
511 // Compare two nodes. |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
512 // We assume here that we never ever get NULL-pointers. |
222
3a01518fffe0
Rename sidlib functions from si_* prefix to sidlib_*.
Matti Hamalainen <ccr@tnsp.org>
parents:
221
diff
changeset
|
513 static int sidlib_sldb_compare_nodes(const void *node1, const void *node2) |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
514 { |
222
3a01518fffe0
Rename sidlib functions from si_* prefix to sidlib_*.
Matti Hamalainen <ccr@tnsp.org>
parents:
221
diff
changeset
|
515 return sidlib_sldb_compare_hash( |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
516 (*(SIDLibSLDBNode **) node1)->hash, |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
517 (*(SIDLibSLDBNode **) node2)->hash); |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
518 } |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
519 |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
520 |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
521 // (Re)create index |
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
522 // |
237 | 523 int sidlib_sldb_build_index(SIDLibSLDB *dbh) |
86
e1ff9cd27a84
Initial port of songlength database (SLDB) handling code from XMMS-SID to here.
Matti Hamalainen <ccr@tnsp.org>
parents:
85
diff
changeset
|
524 { |
e1ff9cd27a84
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525 // Free old index |
237 | 526 th_free_r(&(dbh->pindex)); |
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527 |
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528 // Get size of db |
224
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529 dbh->nnodes = th_llist_length((th_llist_t *) dbh->nodes); |
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530 |
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531 // Check number of nodes |
100 | 532 if (dbh->nnodes > 0) |
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533 { |
224
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534 SIDLibSLDBNode *node; |
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535 size_t i; |
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536 |
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537 // Allocate memory for index-table |
100 | 538 dbh->pindex = (SIDLibSLDBNode **) th_malloc(sizeof(SIDLibSLDBNode *) * dbh->nnodes); |
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539 if (dbh->pindex == NULL) |
88
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540 return THERR_MALLOC; |
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541 |
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542 // Get node-pointers to table |
224
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543 for (i = 0, node = dbh->nodes; node != NULL && i < dbh->nnodes; |
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544 node = (SIDLibSLDBNode *) node->node.next) |
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545 dbh->pindex[i++] = node; |
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546 |
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547 // Sort the indexes |
222
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548 qsort(dbh->pindex, dbh->nnodes, sizeof(SIDLibSLDBNode *), sidlib_sldb_compare_nodes); |
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549 } |
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550 |
88
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551 return THERR_OK; |
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552 } |
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553 |
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554 |
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555 // Free a given song-length database |
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556 // |
222
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557 void sidlib_sldb_free(SIDLibSLDB *dbh) |
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558 { |
88
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559 if (dbh != NULL) |
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560 { |
255
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561 th_llist_free_func_node((th_llist_t *) dbh->nodes, |
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562 (void (*)(th_llist_t *)) sidlib_sldb_node_free); |
88
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563 |
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564 dbh->nodes = NULL; |
100 | 565 dbh->nnodes = 0; |
88
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|
566 |
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567 th_free_r(&dbh->pindex); |
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568 th_free(dbh); |
86
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569 } |
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570 } |
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571 |
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572 |
222
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573 SIDLibSLDBNode *sidlib_sldb_get_by_hash(SIDLibSLDB *dbh, th_md5hash_t hash) |
86
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574 { |
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575 SIDLibSLDBNode keyItem, *key, **item; |
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576 |
88
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577 memcpy(&keyItem.hash, hash, sizeof(th_md5hash_t)); |
86
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578 key = &keyItem; |
222
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579 item = bsearch(&key, dbh->pindex, dbh->nnodes, sizeof(dbh->pindex[0]), sidlib_sldb_compare_nodes); |
86
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|
580 |
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581 return (item != NULL) ? *item : NULL; |
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582 } |
241
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583 |
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584 |
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585 /* STIL database handling functions |
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586 */ |
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587 int sidlib_stildb_new(SIDLibSTILDB **pdbh) |
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588 { |
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589 SIDLibSTILDB *dbh; |
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590 if ((dbh = *pdbh = (SIDLibSTILDB *) th_malloc0(sizeof(SIDLibSTILDB))) == NULL) |
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591 return THERR_MALLOC; |
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|
592 |
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|
593 return THERR_OK; |
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|
594 } |
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595 |
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596 |
258
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|
597 static int sidlib_stildb_entry_realloc(SIDLibSTILNode *node, const int nsubTune, const BOOL alloc) |
241
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|
598 { |
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|
599 if (node == NULL) |
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600 return THERR_NULLPTR; |
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|
601 |
258
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256
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|
602 // Re-allocate subtunes pointers structure if needed |
260 | 603 if (nsubTune > node->nsubtunes) |
241
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604 { |
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|
605 size_t clearIndex, clearLength; |
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606 |
262
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s/SIDLibSTILSubNode/SIDLibSTILSubTune/g
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607 node->subtunes = (SIDLibSTILSubTune **) th_realloc( |
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608 node->subtunes, (nsubTune + 1) * sizeof(SIDLibSTILSubTune **)); |
258
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|
609 |
260 | 610 if (node->subtunes == NULL) |
241
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|
611 return THERR_MALLOC; |
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|
612 |
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613 // Clear the newly allocated memory |
260 | 614 if (node->nsubtunes == 0) |
241
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615 { |
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|
616 clearIndex = 0; |
258
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617 clearLength = nsubTune + 1; |
241
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|
618 } |
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|
619 else |
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|
620 { |
260 | 621 clearIndex = node->nsubtunes + 1; |
258
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622 clearLength = nsubTune - clearIndex + 1; |
241
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623 } |
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624 |
262
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625 memset(&(node->subtunes[clearIndex]), 0, clearLength * sizeof(SIDLibSTILSubTune **)); |
241
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626 |
260 | 627 node->nsubtunes = nsubTune; |
241
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|
628 } |
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|
629 |
258
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630 // Allocate memory for the specified subtune |
260 | 631 if (alloc && node->subtunes[nsubTune] == NULL) |
241
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632 { |
262
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633 node->subtunes[nsubTune] = (SIDLibSTILSubTune *) th_malloc0(sizeof(SIDLibSTILSubTune)); |
260 | 634 if (node->subtunes[nsubTune] == NULL) |
241
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635 return THERR_MALLOC; |
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|
636 } |
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|
637 |
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638 return THERR_OK; |
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|
639 } |
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|
640 |
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641 |
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642 static void sidlib_stildb_node_free(SIDLibSTILNode *node) |
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643 { |
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644 if (node != NULL) |
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645 { |
260 | 646 for (int i = 0; i <= node->nsubtunes; i++) |
241
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647 { |
262
ef1d6d16718e
s/SIDLibSTILSubNode/SIDLibSTILSubTune/g
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648 SIDLibSTILSubTune *subTune = node->subtunes[i]; |
241
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649 if (subTune != NULL) |
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650 { |
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651 for (int field = 0; field < STF_LAST; field++) |
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652 th_free(subTune->fields[field]); |
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653 |
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654 th_free(subTune); |
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655 } |
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656 } |
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657 |
260 | 658 th_free(node->subtunes); |
241
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659 th_free(node->filename); |
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660 th_free(node); |
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661 } |
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662 } |
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663 |
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664 |
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665 static int sidlib_stildb_node_new(SIDLibSTILNode **pnode, const char *filename) |
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666 { |
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667 // Allocate memory for new node |
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668 SIDLibSTILNode *node; |
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669 int res; |
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670 |
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671 if ((node = *pnode = (SIDLibSTILNode *) th_malloc0(sizeof(SIDLibSTILNode))) == NULL) |
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672 return THERR_MALLOC; |
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673 |
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674 // Allocate filename and initial space for one subtune |
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675 if ((node->filename = th_strdup(filename)) == NULL) |
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676 return THERR_MALLOC; |
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677 |
258
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678 if ((res = sidlib_stildb_entry_realloc(node, 1, FALSE)) != THERR_OK) |
241
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679 { |
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680 sidlib_stildb_node_free(node); |
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681 return res; |
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682 } |
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683 |
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684 return res; |
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685 } |
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686 |
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687 |
254
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688 /* Free a given STIL database |
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689 */ |
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690 void sidlib_stildb_free(SIDLibSTILDB *dbh) |
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691 { |
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692 if (dbh != NULL) |
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693 { |
255
3c1cb0f39703
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694 th_llist_free_func_node((th_llist_t *) dbh->nodes, |
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695 (void (*)(th_llist_t *)) sidlib_stildb_node_free); |
254
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696 |
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697 dbh->nodes = NULL; |
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698 dbh->nnodes = 0; |
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699 |
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700 th_free_r(&dbh->pindex); |
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701 th_free(dbh); |
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702 } |
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703 } |
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|
704 |
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|
705 |
241
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|
706 /* Read database (additively) to given db-structure |
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|
707 */ |
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|
708 enum |
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|
709 { |
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710 PM_EOF, |
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|
711 PM_ERROR, |
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|
712 PM_IDLE, |
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diff
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|
713 PM_COMMENT, |
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diff
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|
714 PM_NEXT, |
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|
715 PM_ENTRY, |
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diff
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|
716 PM_FIELD_NAME, |
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|
717 PM_FIELD_DATA, |
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|
718 PM_SUBTUNE, |
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|
719 |
c9b57c8fd058
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diff
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|
720 PM_LAST |
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diff
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|
721 }; |
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239
diff
changeset
|
722 |
c9b57c8fd058
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239
diff
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|
723 |
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|
724 static const char *sidlib_stil_fields[STF_LAST] = |
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|
725 { |
c9b57c8fd058
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239
diff
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|
726 "NAME", |
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diff
changeset
|
727 "AUTHOR", |
c9b57c8fd058
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239
diff
changeset
|
728 "TITLE", |
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239
diff
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|
729 "INFO", |
242 | 730 "ARTIST", |
731 "COMMENT", | |
241
c9b57c8fd058
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239
diff
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|
732 |
c9b57c8fd058
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diff
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|
733 // STF_LAST |
c9b57c8fd058
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diff
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|
734 }; |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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239
diff
changeset
|
735 |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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239
diff
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|
736 |
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239
diff
changeset
|
737 typedef struct |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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239
diff
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|
738 { |
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239
diff
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|
739 size_t lineNum; |
242 | 740 ssize_t linePos; |
241
c9b57c8fd058
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239
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|
741 int ch, prevMode, nextMode, parseMode; |
c9b57c8fd058
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239
diff
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|
742 BOOL lineStart; |
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239
diff
changeset
|
743 } SIDLibSTILParserCtx; |
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239
diff
changeset
|
744 |
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239
diff
changeset
|
745 |
c9b57c8fd058
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diff
changeset
|
746 static int sidlib_stildb_get_field(const char *name) |
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239
diff
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|
747 { |
c9b57c8fd058
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239
diff
changeset
|
748 for (int n = 0; n < STF_LAST; n++) |
c9b57c8fd058
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239
diff
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|
749 { |
c9b57c8fd058
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diff
changeset
|
750 if (strcmp(sidlib_stil_fields[n], name) == 0) |
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239
diff
changeset
|
751 return n; |
c9b57c8fd058
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parents:
239
diff
changeset
|
752 } |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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parents:
239
diff
changeset
|
753 |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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parents:
239
diff
changeset
|
754 return -1; |
c9b57c8fd058
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parents:
239
diff
changeset
|
755 } |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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parents:
239
diff
changeset
|
756 |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
757 |
c9b57c8fd058
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239
diff
changeset
|
758 static void sidlib_stildb_set_parsemode(SIDLibSTILParserCtx *ctx, const int mode) |
c9b57c8fd058
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239
diff
changeset
|
759 { |
c9b57c8fd058
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239
diff
changeset
|
760 ctx->prevMode = ctx->parseMode; |
c9b57c8fd058
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239
diff
changeset
|
761 ctx->parseMode = mode; |
c9b57c8fd058
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239
diff
changeset
|
762 } |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
763 |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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parents:
239
diff
changeset
|
764 |
c9b57c8fd058
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239
diff
changeset
|
765 static void sidlib_stildb_set_next_parsemode(SIDLibSTILParserCtx *ctx, const int mode) |
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239
diff
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|
766 { |
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239
diff
changeset
|
767 sidlib_stildb_set_parsemode(ctx, PM_NEXT); |
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239
diff
changeset
|
768 ctx->nextMode = mode; |
c9b57c8fd058
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239
diff
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|
769 } |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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parents:
239
diff
changeset
|
770 |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
771 |
c9b57c8fd058
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772 #define VADDCH(ch) if (strPos < SIDLIB_BUFFER_SIZE) { tmpStr[strPos++] = ch; } |
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773 |
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774 |
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775 int sidlib_stildb_read(th_ioctx *fh, SIDLibSTILDB *dbh) |
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776 { |
242 | 777 int ret = THERR_OK, field = -1; |
241
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778 SIDLibSTILParserCtx ctx; |
242 | 779 char *tmpStr = NULL, *fieldName = NULL; |
241
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780 size_t strPos; |
242 | 781 SIDLibSTILNode *entry = NULL; |
249
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782 int subtune; |
241
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783 |
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784 if (fh == NULL || dbh == NULL) |
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785 return THERR_NULLPTR; |
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|
786 |
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787 if ((tmpStr = th_malloc(SIDLIB_BUFFER_SIZE + 1)) == NULL) |
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788 return THERR_MALLOC; |
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|
789 |
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790 // Initialize values |
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791 memset(&ctx, 0, sizeof(ctx)); |
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792 ctx.nextMode = ctx.prevMode = ctx.parseMode = PM_IDLE; |
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793 ctx.ch = -1; |
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794 ctx.lineStart = TRUE; |
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795 strPos = 0; |
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796 |
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797 // Parse the STIL database |
242 | 798 while (ctx.parseMode != PM_EOF && ctx.parseMode != PM_ERROR) |
799 { | |
800 if (ctx.ch == -1) | |
801 { | |
802 // Get next character | |
803 switch (ctx.ch = thfgetc(fh)) | |
804 { | |
805 case '\n': | |
806 fh->line++; | |
807 ctx.linePos = -1; | |
808 break; | |
809 | |
810 default: | |
811 if (ctx.linePos < 0) | |
812 { | |
813 ctx.lineStart = TRUE; | |
814 ctx.linePos = 0; | |
815 } | |
816 else | |
817 ctx.linePos++; | |
818 } | |
819 } | |
820 | |
821 switch (ctx.parseMode) | |
822 { | |
823 case PM_COMMENT: | |
824 // Comment parsing mode | |
825 if (ctx.ch == '\n') | |
826 { | |
827 // End of line, end of comment | |
828 sidlib_stildb_set_parsemode(&ctx, ctx.prevMode); | |
829 } | |
830 ctx.ch = -1; | |
831 break; | |
832 | |
833 case PM_NEXT: | |
834 case PM_IDLE: | |
835 // Normal parsing mode | |
261
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836 if (ctx.ch == EOF) |
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837 { |
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838 sidlib_stildb_set_parsemode(&ctx, PM_EOF); |
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839 } |
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840 else |
242 | 841 if (ctx.ch == '#') |
842 { | |
843 sidlib_stildb_set_parsemode(&ctx, PM_COMMENT); | |
844 ctx.ch = -1; | |
845 } | |
846 else | |
847 if (th_iscrlf(ctx.ch) || th_isspace(ctx.ch)) | |
848 { | |
849 ctx.ch = -1; | |
850 } | |
851 else | |
852 if (ctx.parseMode == PM_IDLE) | |
853 { | |
854 // PM_IDLE | |
855 strPos = 0; | |
856 if (ctx.ch == '/') | |
857 { | |
858 sidlib_stildb_set_parsemode(&ctx, PM_ENTRY); | |
859 } | |
860 else | |
861 if (ctx.ch == '(') | |
862 { | |
863 sidlib_stildb_set_parsemode(&ctx, PM_SUBTUNE); | |
864 ctx.ch = -1; | |
865 ctx.lineStart = TRUE; | |
866 } | |
867 else | |
868 if (th_isalpha(ctx.ch)) | |
869 { | |
870 sidlib_stildb_set_parsemode(&ctx, PM_FIELD_NAME); | |
871 } | |
872 else | |
873 { | |
874 // Error! Invalid character found | |
875 ret = th_io_error(fh, THERR_INVALID_DATA, | |
876 "Unexpected character '%c' on line #%d.", | |
877 ctx.ch, fh->line); | |
878 goto out; | |
879 } | |
880 } | |
881 else | |
882 { | |
883 // PM_NEXT - Next item found | |
884 sidlib_stildb_set_parsemode(&ctx, ctx.nextMode); | |
885 } | |
886 break; | |
887 | |
888 case PM_ENTRY: | |
261
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889 if (ctx.ch == EOF || th_iscrlf(ctx.ch) || th_isspace(ctx.ch)) |
242 | 890 { |
891 // A new file / entry, allocate and append | |
892 tmpStr[strPos] = 0; | |
893 | |
894 if ((ret = sidlib_stildb_node_new(&entry, tmpStr)) != THERR_OK) | |
895 goto out; | |
896 | |
897 th_llist_append_node((th_llist_t **) &dbh->nodes, (th_llist_t *) entry); | |
249
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diff
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|
898 |
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|
899 // Default subtune is 0, for "main tune" information |
242 | 900 subtune = 0; |
901 | |
902 sidlib_stildb_set_parsemode(&ctx, PM_IDLE); | |
903 } | |
904 else | |
905 { | |
906 VADDCH(ctx.ch) | |
907 else | |
908 { | |
909 ret = th_io_error(fh, THERR_INVALID_DATA, | |
249
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|
910 "Entry filename too long on line #%d.", |
242 | 911 fh->line); |
912 goto out; | |
913 } | |
914 ctx.ch = -1; | |
915 } | |
916 break; | |
917 | |
918 case PM_SUBTUNE: | |
261
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|
919 if (ctx.ch == EOF || ctx.ch == ')') |
242 | 920 { |
921 BOOL neg = FALSE; | |
922 | |
249
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diff
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|
923 // Subtune indicator end |
242 | 924 tmpStr[strPos] = 0; |
925 | |
249
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diff
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|
926 if (!th_get_int(tmpStr, (unsigned int *) &subtune, &neg) || neg) |
242 | 927 { |
928 ret = th_io_error(fh, THERR_INVALID_DATA, | |
929 "Entry '%s' subtune indicator not a valid integer on line #%d: '%s'", | |
930 entry->filename, fh->line, tmpStr); | |
931 goto out; | |
932 } | |
933 | |
253
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Matti Hamalainen <ccr@tnsp.org>
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249
diff
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|
934 if (subtune <= 0 || subtune > 128) |
249
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242
diff
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|
935 { |
1f1e7934ae61
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diff
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|
936 th_io_error(fh, THERR_INVALID_DATA, |
1f1e7934ae61
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242
diff
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|
937 "Entry '%s' subtune number %d is invalid on line #%d.", |
1f1e7934ae61
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242
diff
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|
938 entry->filename, subtune, fh->line); |
1f1e7934ae61
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242
diff
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|
939 |
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242
diff
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|
940 subtune = -1; |
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242
diff
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|
941 } |
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diff
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|
942 |
242 | 943 sidlib_stildb_set_parsemode(&ctx, PM_IDLE); |
944 } | |
945 else | |
946 if (th_isdigit(ctx.ch)) | |
947 { | |
948 if (ctx.lineStart) | |
949 goto sub_unexpected; | |
950 | |
951 VADDCH(ctx.ch) | |
952 else | |
953 { | |
954 ret = th_io_error(fh, THERR_INVALID_DATA, | |
955 "Subtune indicator too long on line #%d.", | |
956 fh->line); | |
957 goto out; | |
958 } | |
959 } | |
960 else | |
961 if ((ctx.ch == '#' && strPos > 0) || (ctx.ch != '#' && !th_isspace(ctx.ch))) | |
962 { | |
963 sub_unexpected: | |
964 ret = th_io_error(fh, THERR_INVALID_DATA, | |
965 "Unexpected character '%c' in subtune indicator on line #%d.", | |
966 ctx.ch, fh->line); | |
967 goto out; | |
968 } | |
969 | |
970 ctx.ch = -1; | |
971 ctx.lineStart = FALSE; | |
972 break; | |
973 | |
974 case PM_FIELD_NAME: | |
261
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260
diff
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|
975 if (ctx.ch == EOF || ctx.ch == ':' || th_iscrlf(ctx.ch) || th_isspace(ctx.ch)) |
242 | 976 { |
977 tmpStr[strPos] = 0; | |
978 th_pstr_cpy(&fieldName, tmpStr); | |
979 | |
980 field = sidlib_stildb_get_field(tmpStr); | |
981 | |
982 if (entry == NULL) | |
983 { | |
984 ret = th_io_error(fh, THERR_INVALID_DATA, | |
985 "No STIL entry allocated, but field '%s' found on line #%d.", | |
986 fieldName, fh->line); | |
987 goto out; | |
988 } | |
989 | |
990 sidlib_stildb_set_next_parsemode(&ctx, PM_FIELD_DATA); | |
991 ctx.lineStart = FALSE; | |
992 strPos = 0; | |
993 } | |
994 else | |
995 { | |
996 VADDCH(ctx.ch) | |
997 else | |
998 { | |
999 ret = th_io_error(fh, THERR_INVALID_DATA, | |
1000 "Field name too long on line #%d.", | |
1001 fieldName, fh->line); | |
1002 goto out; | |
1003 } | |
1004 } | |
1005 | |
1006 ctx.ch = -1; | |
1007 break; | |
1008 | |
1009 case PM_FIELD_DATA: | |
1010 if (ctx.lineStart && th_isspace(ctx.ch) && ctx.linePos < 8) | |
1011 { | |
1012 ctx.ch = -1; | |
1013 } | |
1014 else | |
1015 if (th_iscrlf(ctx.ch)) | |
1016 { | |
1017 ctx.lineStart = TRUE; | |
1018 ctx.ch = -1; | |
1019 } | |
1020 else | |
261
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Matti Hamalainen <ccr@tnsp.org>
parents:
260
diff
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|
1021 if (ctx.ch == EOF || (ctx.lineStart && ctx.linePos < 8)) |
242 | 1022 { |
1023 // Field done | |
1024 tmpStr[strPos] = 0; | |
1025 | |
249
1f1e7934ae61
Few improvements to validity checking of STIL file parsing.
Matti Hamalainen <ccr@tnsp.org>
parents:
242
diff
changeset
|
1026 if (field >= 0 && subtune >= 0) |
242 | 1027 { |
1028 char *data; | |
1029 | |
1030 // Supported field, add it | |
258
8d914417227d
Avoid allocating one extra STIL node. Does not make much of a difference.
Matti Hamalainen <ccr@tnsp.org>
parents:
256
diff
changeset
|
1031 if ((ret = sidlib_stildb_entry_realloc(entry, subtune, TRUE)) != THERR_OK) |
242 | 1032 goto out; |
1033 | |
1034 if ((data = th_strdup(tmpStr)) == NULL) | |
1035 { | |
1036 ret = th_io_error(fh, THERR_MALLOC, | |
1037 "Could not allocate memory for field '%s' on line #%d.", | |
1038 fieldName, fh->line); | |
1039 goto out; | |
1040 } | |
1041 | |
260 | 1042 entry->subtunes[subtune]->fields[field] = data; |
242 | 1043 } |
1044 | |
1045 sidlib_stildb_set_parsemode(&ctx, PM_IDLE); | |
1046 } | |
1047 else | |
1048 { | |
1049 ctx.lineStart = FALSE; | |
1050 VADDCH(ctx.ch) | |
1051 else | |
1052 { | |
1053 ret = th_io_error(fh, THERR_INVALID_DATA, | |
1054 "Field '%s' data too long on line #%d.", | |
1055 fieldName, fh->line); | |
1056 goto out; | |
1057 } | |
1058 ctx.ch = - 1; | |
1059 } | |
1060 break; | |
1061 } | |
1062 } | |
241
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1063 |
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parents:
239
diff
changeset
|
1064 out: |
261
39a03560163d
Improve STIL parsing reliability.
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parents:
260
diff
changeset
|
1065 |
241
c9b57c8fd058
Begin work on STIL database parsing and handling.
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239
diff
changeset
|
1066 th_free(tmpStr); |
242 | 1067 th_free(fieldName); |
241
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1068 |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1069 if (ret == THERR_OK && ctx.parseMode == PM_ERROR) |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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239
diff
changeset
|
1070 ret = THERR_INVALID_DATA; |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1071 |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1072 return ret; |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1073 } |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1074 |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1075 |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1076 /* Compare two nodes |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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parents:
239
diff
changeset
|
1077 */ |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1078 static int sidlib_stildb_cmp(const void *node1, const void *node2) |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1079 { |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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parents:
239
diff
changeset
|
1080 // We assume here that we never ever get NULL-pointers or similar |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1081 return strcmp( |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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parents:
239
diff
changeset
|
1082 (*(SIDLibSTILNode * *) node1)->filename, |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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parents:
239
diff
changeset
|
1083 (*(SIDLibSTILNode * *) node2)->filename); |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1084 } |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1085 |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1086 |
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Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1087 /* (Re)create index |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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parents:
239
diff
changeset
|
1088 */ |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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parents:
239
diff
changeset
|
1089 int sidlib_stildb_build_index(SIDLibSTILDB *dbh) |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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parents:
239
diff
changeset
|
1090 { |
c9b57c8fd058
Begin work on STIL database parsing and handling.
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parents:
239
diff
changeset
|
1091 if (dbh == NULL) |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1092 return THERR_NULLPTR; |
c9b57c8fd058
Begin work on STIL database parsing and handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1093 |
c9b57c8fd058
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Matti Hamalainen <ccr@tnsp.org>
parents:
239
diff
changeset
|
1094 // Free old index |
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1095 th_free_r(&(dbh->pindex)); |
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1096 |
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1097 // Get size of db |
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1098 dbh->nnodes = th_llist_length((th_llist_t *) dbh->nodes); |
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1099 |
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1100 // Check number of nodes |
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1101 if (dbh->nnodes > 0) |
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1102 { |
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1103 SIDLibSTILNode *node; |
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1104 size_t i; |
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1105 |
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1106 // XXX TODO Check number of nodes? |
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1107 |
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1108 // Allocate memory for index-table |
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1109 dbh->pindex = (SIDLibSTILNode **) th_malloc(sizeof(SIDLibSTILNode *) * dbh->nnodes); |
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1110 if (dbh->pindex == NULL) |
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1111 return THERR_MALLOC; |
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1112 |
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1113 // Get node-pointers to table |
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1114 for (i = 0, node = dbh->nodes; node != NULL && i < dbh->nnodes; |
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1115 node = (SIDLibSTILNode *) node->node.next) |
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1116 dbh->pindex[i++] = node; |
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1117 |
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1118 // Sort the indexes |
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1119 qsort(dbh->pindex, dbh->nnodes, sizeof(SIDLibSTILNode *), sidlib_stildb_cmp); |
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1120 } |
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1121 |
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1122 return THERR_OK; |
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1123 } |
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1124 |
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1125 |
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1126 /* Get STIL information node from database |
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1127 */ |
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1128 SIDLibSTILNode *sidlib_stildb_get_node(SIDLibSTILDB *dbh, const char *filename) |
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1129 { |
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1130 SIDLibSTILNode keyItem, *key, **item; |
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1131 |
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1132 keyItem.filename = (char *) filename; |
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1133 key = &keyItem; |
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1134 item = bsearch(&key, dbh->pindex, dbh->nnodes, sizeof(SIDLibSTILNode *), sidlib_stildb_cmp); |
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1135 |
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1136 return item != NULL ? *item : NULL; |
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1137 } |