Mercurial > hg > xmms-sid
annotate src/xs_support.c @ 894:4697c5bd7025
Improve the path helper functions.
author | Matti Hamalainen <ccr@tnsp.org> |
---|---|
date | Fri, 09 Nov 2012 08:20:55 +0200 |
parents | c835aa129e3b |
children | b6e069c9c000 |
rev | line source |
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4 | 1 /* |
2 XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS) | |
3 | |
4 Miscellaneous support functions | |
5 | |
324 | 6 Programmed and designed by Matti 'ccr' Hamalainen <ccr@tnsp.org> |
723 | 7 (C) Copyright 1999-2009 Tecnic Software productions (TNSP) |
4 | 8 |
9 This program is free software; you can redistribute it and/or modify | |
10 it under the terms of the GNU General Public License as published by | |
11 the Free Software Foundation; either version 2 of the License, or | |
12 (at your option) any later version. | |
13 | |
14 This program is distributed in the hope that it will be useful, | |
15 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 GNU General Public License for more details. | |
18 | |
412
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19 You should have received a copy of the GNU General Public License along |
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20 with this program; if not, write to the Free Software Foundation, Inc., |
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21 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
772 | 22 |
23 -- | |
24 Except for the MD5 related functionality at the end of this file. | |
25 -- | |
4 | 26 */ |
49
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27 #include "xs_support.h" |
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28 #include <stdarg.h> |
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29 #include <ctype.h> |
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30 #ifndef __AUDACIOUS_NEWVFS__ |
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31 #include <sys/types.h> |
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32 #include <sys/stat.h> |
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33 #include <unistd.h> |
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34 #endif |
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35 |
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36 /* Error messages |
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37 */ |
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38 void xs_error(const char *fmt, ...) |
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39 { |
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40 va_list ap; |
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41 fprintf(stderr, "XMMS-SID: "); |
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42 va_start(ap, fmt); |
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43 vfprintf(stderr, fmt, ap); |
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44 va_end(ap); |
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45 } |
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46 |
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47 #ifndef DEBUG_NP |
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48 void XSDEBUG(const char *fmt, ...) |
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49 { |
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50 #ifdef DEBUG |
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51 va_list ap; |
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52 fprintf(stderr, "XSDEBUG: "); |
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53 va_start(ap, fmt); |
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54 vfprintf(stderr, fmt, ap); |
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55 va_end(ap); |
887 | 56 #else |
57 (void) fmt; | |
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58 #endif |
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59 } |
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60 #endif |
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61 |
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62 |
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63 #ifndef __AUDACIOUS_NEWVFS__ |
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64 off_t xs_fsize(XSFile *f) |
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65 { |
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66 off_t pos; |
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67 if (fseeko(f, 0, SEEK_END) < 0) |
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68 return -1; |
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69 |
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70 pos = ftello(f); |
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71 |
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72 if (fseeko(f, 0, SEEK_SET) < 0) |
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73 return -1; |
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74 |
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75 return pos; |
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76 } |
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77 #endif |
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78 |
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79 |
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80 gboolean xs_is_dir_path(const gchar *path) |
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81 { |
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82 #ifndef __AUDACIOUS_NEWVFS__ |
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83 struct stat sb; |
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84 if (stat(path, &sb) < 0) |
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85 return FALSE; |
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86 |
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87 return (S_ISDIR(sb.st_mode)); |
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88 #else |
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89 // XXX |
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90 #endif |
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91 } |
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92 |
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93 |
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94 gchar *xs_get_dir_path(const gchar *path) |
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95 { |
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96 #ifndef __AUDACIOUS_NEWVFS__ |
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97 if (!xs_is_dir_path(path)) |
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98 return g_dirname(path); |
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99 else |
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100 return g_strdup(path); |
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101 #else |
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102 // XXX |
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103 #endif |
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104 } |
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105 |
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106 |
751 | 107 guint16 xs_fread_be16(XSFile *f) |
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108 { |
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109 return (((guint16) xs_fgetc(f)) << 8) | ((guint16) xs_fgetc(f)); |
516
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110 } |
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111 |
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112 |
751 | 113 guint32 xs_fread_be32(XSFile *f) |
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114 { |
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115 return |
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116 (((guint32) xs_fgetc(f)) << 24) | |
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117 (((guint32) xs_fgetc(f)) << 16) | |
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118 (((guint32) xs_fgetc(f)) << 8) | |
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119 ((guint32) xs_fgetc(f)); |
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120 } |
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121 |
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122 |
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123 /* Load a file to a buffer, return 0 on success, negative value on error |
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124 */ |
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125 gboolean xs_fload_buffer(const gchar *filename, |
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126 guint8 **pbuf, size_t *bufSize, const size_t maxSize, gboolean failMaxSize) |
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127 { |
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128 XSFile *fp = NULL; |
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129 size_t readSize = 0, fileSize = 0; |
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130 gboolean res = FALSE; |
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131 |
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132 if (filename == NULL) |
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133 return FALSE; |
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134 |
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135 if ((fp = xs_fopen(filename, "rb")) == NULL) |
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136 { |
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137 xs_error("Could not open '%s' for reading.\n", filename); |
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138 goto error; |
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139 } |
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140 |
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141 fileSize = xs_fsize(fp); |
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142 if (failMaxSize && fileSize > maxSize) |
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143 { |
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changeset
|
144 xs_error("File '%s' size %d exceeds maxSize %d.\n", |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
145 fileSize, maxSize); |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
146 goto error; |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
147 } |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
148 |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
149 readSize = fileSize < maxSize ? fileSize : maxSize; |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
150 |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
151 if ((*pbuf = (guint8 *) g_malloc(readSize * sizeof(guint8))) == NULL) |
763
61a527ac3baa
Cleanups, remove useless function.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
152 { |
867
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
153 xs_error("Could not allocate %d bytes for filebuffer '%s'.\n", |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
154 readSize, filename); |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
155 goto error; |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
156 } |
867
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
157 |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
158 *bufSize = xs_fread(*pbuf, sizeof(guint8), readSize, fp); |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
159 res = (readSize == *bufSize); |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
160 |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
161 error: |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
162 if (fp != NULL) |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
163 xs_fclose(fp); |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
164 |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
165 if (!res) |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
166 { |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
167 xs_error("File '%s', expected %d bytes, read %d bytes.\n", |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
168 readSize, *bufSize); |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
169 } |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
170 |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
171 return res; |
527
fe8b41abd923
Now everything necessary should be using the VFS functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
516
diff
changeset
|
172 } |
fe8b41abd923
Now everything necessary should be using the VFS functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
516
diff
changeset
|
173 |
fe8b41abd923
Now everything necessary should be using the VFS functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
516
diff
changeset
|
174 |
867
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
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866
diff
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|
175 gboolean xs_fload_buffer_path(const gchar *ppath, const gchar *pfilename, |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
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diff
changeset
|
176 guint8 **pbuf, size_t *bufSize, const size_t maxSize, gboolean failMaxSize) |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
177 { |
889 | 178 gchar *filename, *pseparator; |
867
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
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|
179 gboolean res; |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
180 |
889 | 181 if (pfilename == NULL) |
182 return FALSE; | |
183 | |
184 pseparator = ppath != NULL ? ((ppath[strlen(ppath)] != '/') ? "/" : "") : ""; | |
185 filename = g_strdup_printf("%s%s%s", ppath, pseparator, pfilename); | |
186 | |
867
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
187 if (filename == NULL) |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
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|
188 return FALSE; |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
189 |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
190 res = xs_fload_buffer(filename, pbuf, bufSize, maxSize, failMaxSize); |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
191 |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
192 g_free(filename); |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
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866
diff
changeset
|
193 return res; |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
194 } |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
195 |
889 | 196 |
663
180d7a0250d8
More cosmetic variable name changes.
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660
diff
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|
197 /* Copy a given string over in *result. |
206
8b896d461fdb
Trivial fixes and added strncpy replacement.
Matti Hamalainen <ccr@tnsp.org>
parents:
202
diff
changeset
|
198 */ |
663
180d7a0250d8
More cosmetic variable name changes.
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parents:
660
diff
changeset
|
199 gint xs_pstrcpy(gchar **result, const gchar *str) |
206
8b896d461fdb
Trivial fixes and added strncpy replacement.
Matti Hamalainen <ccr@tnsp.org>
parents:
202
diff
changeset
|
200 { |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
201 /* Check the string pointers */ |
663
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
202 if (!result || !str) |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
203 return -1; |
206
8b896d461fdb
Trivial fixes and added strncpy replacement.
Matti Hamalainen <ccr@tnsp.org>
parents:
202
diff
changeset
|
204 |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
205 /* Allocate memory for destination */ |
867
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
206 g_free(*result); |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
207 |
663
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
208 *result = (gchar *) g_malloc(strlen(str) + 1); |
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
209 if (!*result) |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
210 return -2; |
206
8b896d461fdb
Trivial fixes and added strncpy replacement.
Matti Hamalainen <ccr@tnsp.org>
parents:
202
diff
changeset
|
211 |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
212 /* Copy to the destination */ |
663
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
213 strcpy(*result, str); |
4 | 214 |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
215 return 0; |
4 | 216 } |
217 | |
218 | |
663
180d7a0250d8
More cosmetic variable name changes.
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parents:
660
diff
changeset
|
219 /* Concatenates a given string into string pointed by *result. |
206
8b896d461fdb
Trivial fixes and added strncpy replacement.
Matti Hamalainen <ccr@tnsp.org>
parents:
202
diff
changeset
|
220 */ |
663
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
221 gint xs_pstrcat(gchar **result, const gchar *str) |
4 | 222 { |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
223 /* Check the string pointers */ |
663
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
224 if (!result || !str) |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
225 return -1; |
206
8b896d461fdb
Trivial fixes and added strncpy replacement.
Matti Hamalainen <ccr@tnsp.org>
parents:
202
diff
changeset
|
226 |
867
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
227 if (*result != NULL) |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
228 { |
663
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
229 *result = (gchar *) g_realloc(*result, strlen(*result) + strlen(str) + 1); |
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
230 if (*result == NULL) |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
231 return -1; |
663
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
232 strcat(*result, str); |
867
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
233 } |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
234 else |
051ef70d0123
Improve xs_fload_buffer() and add xs_fload_buffer_path().
Matti Hamalainen <ccr@tnsp.org>
parents:
866
diff
changeset
|
235 { |
663
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
236 *result = (gchar *) g_malloc(strlen(str) + 1); |
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
237 if (*result == NULL) |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
238 return -1; |
663
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
239 strcpy(*result, str); |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
240 } |
4 | 241 |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
242 return 0; |
4 | 243 } |
244 | |
245 | |
239
7833df935239
Added xs_pnstrcat() to ease forming of limited size strings.
Matti Hamalainen <ccr@tnsp.org>
parents:
230
diff
changeset
|
246 /* Concatenate a given string up to given dest size or \n. |
7833df935239
Added xs_pnstrcat() to ease forming of limited size strings.
Matti Hamalainen <ccr@tnsp.org>
parents:
230
diff
changeset
|
247 * If size max is reached, change the end to "..." |
7833df935239
Added xs_pnstrcat() to ease forming of limited size strings.
Matti Hamalainen <ccr@tnsp.org>
parents:
230
diff
changeset
|
248 */ |
868 | 249 void xs_pnstrcat(gchar *dest, const size_t size, const gchar *str) |
239
7833df935239
Added xs_pnstrcat() to ease forming of limited size strings.
Matti Hamalainen <ccr@tnsp.org>
parents:
230
diff
changeset
|
250 { |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
251 size_t i, n; |
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
252 const gchar *s; |
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
253 gchar *d; |
359
b1a858b8cb1a
Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents:
324
diff
changeset
|
254 |
868 | 255 for (d = dest, i = 0; *d && i < size; i++, d++); |
239
7833df935239
Added xs_pnstrcat() to ease forming of limited size strings.
Matti Hamalainen <ccr@tnsp.org>
parents:
230
diff
changeset
|
256 |
663
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
257 s = str; |
868 | 258 while (*s && *s != '\n' && i < size) |
259 { | |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
260 *d = *s; |
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
261 d++; |
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
262 s++; |
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
263 i++; |
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
264 } |
359
b1a858b8cb1a
Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents:
324
diff
changeset
|
265 |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
266 *d = 0; |
239
7833df935239
Added xs_pnstrcat() to ease forming of limited size strings.
Matti Hamalainen <ccr@tnsp.org>
parents:
230
diff
changeset
|
267 |
868 | 268 if (i >= size) |
269 { | |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
270 i--; |
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
271 d--; |
868 | 272 for (n = 3; i > 0 && n > 0; d--, i--, n--) |
660
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
273 *d = '.'; |
b0743dc9165d
Change tabs to 4 spaces, everywhere.
Matti Hamalainen <ccr@tnsp.org>
parents:
657
diff
changeset
|
274 } |
239
7833df935239
Added xs_pnstrcat() to ease forming of limited size strings.
Matti Hamalainen <ccr@tnsp.org>
parents:
230
diff
changeset
|
275 } |
7833df935239
Added xs_pnstrcat() to ease forming of limited size strings.
Matti Hamalainen <ccr@tnsp.org>
parents:
230
diff
changeset
|
276 |
7833df935239
Added xs_pnstrcat() to ease forming of limited size strings.
Matti Hamalainen <ccr@tnsp.org>
parents:
230
diff
changeset
|
277 |
206
8b896d461fdb
Trivial fixes and added strncpy replacement.
Matti Hamalainen <ccr@tnsp.org>
parents:
202
diff
changeset
|
278 /* Locate character in string |
8b896d461fdb
Trivial fixes and added strncpy replacement.
Matti Hamalainen <ccr@tnsp.org>
parents:
202
diff
changeset
|
279 */ |
663
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
280 void xs_findnext(const gchar *str, size_t *pos) |
4 | 281 { |
663
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
282 while (str[*pos] && isspace(str[*pos])) |
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
283 (*pos)++; |
4 | 284 } |
285 | |
286 | |
663
180d7a0250d8
More cosmetic variable name changes.
Matti Hamalainen <ccr@tnsp.org>
parents:
660
diff
changeset
|
287 void xs_findeol(const gchar *str, size_t *pos) |
4 | 288 { |
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289 while (str[*pos] && (str[*pos] != '\n') && (str[*pos] != '\r')) |
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290 (*pos)++; |
4 | 291 } |
292 | |
293 | |
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294 void xs_findnum(const gchar *str, size_t *pos) |
109
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295 { |
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296 while (str[*pos] && isdigit(str[*pos])) |
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297 (*pos)++; |
109
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298 } |
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299 |
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300 |
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301 /* |
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302 * MD5 implementation, modified for XMMS-SID from |
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303 * Colin Plumb's implementation by Matti 'ccr' Hämäläinen. |
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304 * |
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305 * This code implements the MD5 message-digest algorithm. |
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306 * The algorithm is due to Ron Rivest. This code was |
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307 * written by Colin Plumb in 1993, no copyright is claimed. |
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308 * This code is in the public domain; do with it what you wish. |
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309 */ |
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310 |
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311 #if G_BYTE_ORDER == G_LITTLE_ENDIAN |
772 | 312 # define xs_md5_bytereverse(buf, len) /* Nothing */ |
313 #elif G_BYTE_ORDER == G_BIG_ENDIAN | |
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314 static void xs_md5_bytereverse(guint8 *buf, guint l) |
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315 { |
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316 guint32 t; |
868 | 317 do |
318 { | |
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319 t = (guint32) ((guint) buf[3] << 8 | buf[2]) << 16 | ((guint) buf[1] << 8 | buf[0]); |
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320 *(guint32 *) buf = t; |
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321 buf += sizeof(guint32); |
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322 } while (--l); |
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323 } |
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324 #else |
772 | 325 # error Unsupported endianess! |
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326 #endif |
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327 |
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328 |
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329 /* Start MD5 accumulation. Set bit count to 0 and buffer to mysterious |
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330 * initialization constants. |
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331 */ |
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332 void xs_md5_init(xs_md5state_t *ctx) |
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333 { |
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334 ctx->buf[0] = 0x67452301; |
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335 ctx->buf[1] = 0xefcdab89; |
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336 ctx->buf[2] = 0x98badcfe; |
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337 ctx->buf[3] = 0x10325476; |
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338 |
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339 ctx->bits[0] = 0; |
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340 ctx->bits[1] = 0; |
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341 } |
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342 |
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343 |
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344 /* The core of the MD5 algorithm, this alters an existing MD5 hash to |
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345 * reflect the addition of 16 longwords of new data. xs_md5_update blocks |
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346 * the data and converts bytes into longwords for this routine. |
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347 */ |
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348 #define F1(x, y, z) (z ^ (x & (y ^ z))) |
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349 #define F2(x, y, z) F1(z, x, y) |
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350 #define F3(x, y, z) (x ^ y ^ z) |
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351 #define F4(x, y, z) (y ^ (x | ~z)) |
868 | 352 #define MD5STEP(f, w, x, y, z, data, s) ( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x ) |
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353 |
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354 static void xs_md5_transform(guint32 buf[4], guint32 const in[16]) |
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355 { |
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356 register guint32 a, b, c, d; |
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357 |
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358 a = buf[0]; |
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359 b = buf[1]; |
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360 c = buf[2]; |
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361 d = buf[3]; |
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362 |
772 | 363 MD5STEP(F1, a, b, c, d, in[ 0] + 0xd76aa478, 7); |
364 MD5STEP(F1, d, a, b, c, in[ 1] + 0xe8c7b756, 12); | |
365 MD5STEP(F1, c, d, a, b, in[ 2] + 0x242070db, 17); | |
366 MD5STEP(F1, b, c, d, a, in[ 3] + 0xc1bdceee, 22); | |
367 MD5STEP(F1, a, b, c, d, in[ 4] + 0xf57c0faf, 7); | |
368 MD5STEP(F1, d, a, b, c, in[ 5] + 0x4787c62a, 12); | |
369 MD5STEP(F1, c, d, a, b, in[ 6] + 0xa8304613, 17); | |
370 MD5STEP(F1, b, c, d, a, in[ 7] + 0xfd469501, 22); | |
371 MD5STEP(F1, a, b, c, d, in[ 8] + 0x698098d8, 7); | |
372 MD5STEP(F1, d, a, b, c, in[ 9] + 0x8b44f7af, 12); | |
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373 MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17); |
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374 MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22); |
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375 MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7); |
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376 MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12); |
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377 MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17); |
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378 MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22); |
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379 |
772 | 380 MD5STEP(F2, a, b, c, d, in[ 1] + 0xf61e2562, 5); |
381 MD5STEP(F2, d, a, b, c, in[ 6] + 0xc040b340, 9); | |
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382 MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14); |
772 | 383 MD5STEP(F2, b, c, d, a, in[ 0] + 0xe9b6c7aa, 20); |
384 MD5STEP(F2, a, b, c, d, in[ 5] + 0xd62f105d, 5); | |
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385 MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9); |
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386 MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14); |
772 | 387 MD5STEP(F2, b, c, d, a, in[ 4] + 0xe7d3fbc8, 20); |
388 MD5STEP(F2, a, b, c, d, in[ 9] + 0x21e1cde6, 5); | |
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389 MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9); |
772 | 390 MD5STEP(F2, c, d, a, b, in[ 3] + 0xf4d50d87, 14); |
391 MD5STEP(F2, b, c, d, a, in[ 8] + 0x455a14ed, 20); | |
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392 MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5); |
772 | 393 MD5STEP(F2, d, a, b, c, in[ 2] + 0xfcefa3f8, 9); |
394 MD5STEP(F2, c, d, a, b, in[ 7] + 0x676f02d9, 14); | |
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395 MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20); |
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396 |
772 | 397 MD5STEP(F3, a, b, c, d, in[ 5] + 0xfffa3942, 4); |
398 MD5STEP(F3, d, a, b, c, in[ 8] + 0x8771f681, 11); | |
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399 MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16); |
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400 MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23); |
772 | 401 MD5STEP(F3, a, b, c, d, in[ 1] + 0xa4beea44, 4); |
402 MD5STEP(F3, d, a, b, c, in[ 4] + 0x4bdecfa9, 11); | |
403 MD5STEP(F3, c, d, a, b, in[ 7] + 0xf6bb4b60, 16); | |
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404 MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23); |
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405 MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4); |
772 | 406 MD5STEP(F3, d, a, b, c, in[ 0] + 0xeaa127fa, 11); |
407 MD5STEP(F3, c, d, a, b, in[ 3] + 0xd4ef3085, 16); | |
408 MD5STEP(F3, b, c, d, a, in[ 6] + 0x04881d05, 23); | |
409 MD5STEP(F3, a, b, c, d, in[ 9] + 0xd9d4d039, 4); | |
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410 MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11); |
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411 MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16); |
772 | 412 MD5STEP(F3, b, c, d, a, in[ 2] + 0xc4ac5665, 23); |
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413 |
772 | 414 MD5STEP(F4, a, b, c, d, in[ 0] + 0xf4292244, 6); |
415 MD5STEP(F4, d, a, b, c, in[ 7] + 0x432aff97, 10); | |
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416 MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15); |
772 | 417 MD5STEP(F4, b, c, d, a, in[ 5] + 0xfc93a039, 21); |
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418 MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6); |
772 | 419 MD5STEP(F4, d, a, b, c, in[ 3] + 0x8f0ccc92, 10); |
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420 MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15); |
772 | 421 MD5STEP(F4, b, c, d, a, in[ 1] + 0x85845dd1, 21); |
422 MD5STEP(F4, a, b, c, d, in[ 8] + 0x6fa87e4f, 6); | |
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423 MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10); |
772 | 424 MD5STEP(F4, c, d, a, b, in[ 6] + 0xa3014314, 15); |
771
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425 MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21); |
772 | 426 MD5STEP(F4, a, b, c, d, in[ 4] + 0xf7537e82, 6); |
771
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427 MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10); |
772 | 428 MD5STEP(F4, c, d, a, b, in[ 2] + 0x2ad7d2bb, 15); |
429 MD5STEP(F4, b, c, d, a, in[ 9] + 0xeb86d391, 21); | |
771
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430 |
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431 buf[0] += a; |
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432 buf[1] += b; |
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433 buf[2] += c; |
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434 buf[3] += d; |
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435 } |
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436 |
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437 |
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438 /* Update context to reflect the concatenation of another buffer full |
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439 * of bytes. |
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440 */ |
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441 void xs_md5_append(xs_md5state_t *ctx, const guint8 *buf, guint len) |
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442 { |
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443 guint32 t; |
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444 |
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445 /* Update bitcount */ |
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446 t = ctx->bits[0]; |
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447 if ((ctx->bits[0] = t + ((guint32) len << 3)) < t) |
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448 ctx->bits[1]++; /* Carry from low to high */ |
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449 ctx->bits[1] += len >> 29; |
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450 |
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451 t = (t >> 3) & 0x3f; /* Bytes already in shsInfo->data */ |
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452 |
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453 /* Handle any leading odd-sized chunks */ |
868 | 454 if (t) |
455 { | |
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456 guint8 *p = (guint8 *) ctx->in + t; |
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457 |
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458 t = 64 - t; |
868 | 459 if (len < t) |
460 { | |
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461 memcpy(p, buf, len); |
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462 return; |
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463 } |
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464 memcpy(p, buf, t); |
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465 xs_md5_bytereverse(ctx->in, 16); |
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466 xs_md5_transform(ctx->buf, (guint32 *) ctx->in); |
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467 buf += t; |
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468 len -= t; |
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469 } |
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470 |
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471 /* Process data in 64-byte chunks */ |
868 | 472 while (len >= 64) |
473 { | |
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474 memcpy(ctx->in, buf, 64); |
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475 xs_md5_bytereverse(ctx->in, 16); |
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476 xs_md5_transform(ctx->buf, (guint32 *) ctx->in); |
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477 buf += 64; |
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478 len -= 64; |
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479 } |
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480 |
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481 /* Handle any remaining bytes of data. */ |
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482 memcpy(ctx->in, buf, len); |
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483 } |
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484 |
868 | 485 |
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486 /* Final wrapup - pad to 64-byte boundary with the bit pattern |
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487 * 1 0* (64-bit count of bits processed, MSB-first) |
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488 */ |
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489 void xs_md5_finish(xs_md5state_t *ctx, xs_md5hash_t digest) |
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490 { |
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491 guint count; |
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492 guint8 *p; |
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493 |
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494 /* Compute number of bytes mod 64 */ |
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495 count = (ctx->bits[0] >> 3) & 0x3F; |
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496 |
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497 /* Set the first char of padding to 0x80. This is safe since there is |
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498 always at least one byte free */ |
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499 p = ctx->in + count; |
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500 *p++ = 0x80; |
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501 |
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502 /* Bytes of padding needed to make 64 bytes */ |
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503 count = 64 - 1 - count; |
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504 |
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505 /* Pad out to 56 mod 64 */ |
868 | 506 if (count < 8) |
507 { | |
771
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508 /* Two lots of padding: Pad the first block to 64 bytes */ |
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509 memset(p, 0, count); |
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510 xs_md5_bytereverse(ctx->in, 16); |
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511 xs_md5_transform(ctx->buf, (guint32 *) ctx->in); |
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512 |
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513 /* Now fill the next block with 56 bytes */ |
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514 memset(ctx->in, 0, 56); |
868 | 515 } |
516 else | |
517 { | |
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518 /* Pad block to 56 bytes */ |
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519 memset(p, 0, count - 8); |
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520 } |
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521 xs_md5_bytereverse(ctx->in, 14); |
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522 |
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523 /* Append length in bits and transform */ |
792
bee1f36efc16
Fix potential aliasing issues.
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524 memcpy(((guint32 *) ctx->in) + 14, &ctx->bits[0], sizeof(guint32)); |
bee1f36efc16
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|
525 memcpy(((guint32 *) ctx->in) + 15, &ctx->bits[1], sizeof(guint32)); |
771
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526 |
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527 xs_md5_transform(ctx->buf, (guint32 *) ctx->in); |
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528 xs_md5_bytereverse((guint8 *) ctx->buf, 4); |
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529 memcpy(digest, ctx->buf, 16); |
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530 memset(ctx, 0, sizeof(ctx)); /* In case it's sensitive */ |
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531 } |