Mercurial > hg > dmlib
annotate src/dmres.c @ 1015:5101766dd95c
Error handling consistency.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Sun, 01 Mar 2015 04:46:23 +0200 |
| parents | 501ee5f0c043 |
| children | b1d22289af24 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * dmlib | |
| 3 * -- Resource management | |
| 4 * Programmed and designed by Matti 'ccr' Hamalainen | |
| 863 | 5 * (C) Copyright 2003-2015 Tecnic Software productions (TNSP) |
| 0 | 6 */ |
| 7 #include "dmres.h" | |
| 8 #include <time.h> | |
| 9 | |
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10 #ifdef DM_USE_PACKFS |
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11 # ifdef DM_USE_ZLIB |
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12 # include <zlib.h> |
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13 # else |
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14 # include "dmzlib.h" |
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15 # endif |
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16 #endif |
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17 |
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18 #ifdef DM_USE_STDIO |
| 989 | 19 # include <sys/types.h> |
| 20 # include <sys/stat.h> | |
| 21 # include <unistd.h> | |
| 22 # include <dirent.h> | |
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23 #endif |
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24 |
| 0 | 25 |
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26 DMResource *dmResourceNew(DMResourceLib *lib, const char *filename, const size_t size) |
| 0 | 27 { |
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28 DMResource *node = dmMalloc0(sizeof(DMResource)); |
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29 if (node == NULL) |
| 0 | 30 return NULL; |
| 31 | |
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32 node->lib = lib; |
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33 node->filename = dm_strdup(filename); |
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34 node->rawSize = size; |
| 0 | 35 |
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36 return node; |
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37 } |
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38 |
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39 |
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40 void dmResourceFreeResData(DMResource *node) |
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41 { |
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42 if (node->resData != NULL && |
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43 node->rops != NULL && |
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44 node->rops->free != NULL) |
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45 { |
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46 node->rops->free(node); |
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47 } |
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48 |
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49 node->resData = NULL; |
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50 node->flags &= ~DMF_LOADED_RES; |
| 0 | 51 } |
| 52 | |
| 53 | |
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54 void dmResourceFreeRawData(DMResource *node) |
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55 { |
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56 if ((node->flags & DMF_UNALLOCATED) == 0) |
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57 { |
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58 dmFree(node->rawData); |
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59 node->rawData = NULL; |
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60 node->flags &= ~DMF_LOADED_RAW; |
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61 } |
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62 } |
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63 |
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64 |
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65 void dmResourceFree(DMResource *node) |
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66 { |
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67 if (node != NULL) |
| 0 | 68 { |
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69 dmResourceFreeResData(node); |
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70 dmResourceFreeRawData(node); |
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71 dmFree(node->filename); |
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72 dmFree(node); |
| 0 | 73 } |
| 74 } | |
| 75 | |
| 76 | |
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77 void dmResourceInsert(DMResourceLib *lib, DMResource * node) |
| 0 | 78 { |
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79 if (lib == NULL || node == NULL) |
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80 return; |
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81 |
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82 node->lib = lib; |
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83 |
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84 if (lib->resources != NULL) |
| 0 | 85 { |
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86 node->prev = lib->resources->prev; |
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87 lib->resources->prev->next = node; |
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88 lib->resources->prev = node; |
| 0 | 89 } |
| 90 else | |
| 91 { | |
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92 lib->resources = node->prev = node; |
| 0 | 93 } |
| 94 | |
| 95 node->next = NULL; | |
| 96 } | |
| 97 | |
| 98 | |
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99 void dmResourceDelete(DMResourceLib *lib, DMResource * node) |
| 0 | 100 { |
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101 if (lib == NULL) |
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102 return; |
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103 |
| 0 | 104 if (node->prev) |
| 105 node->prev->next = node->next; | |
| 106 | |
| 107 if (node->next) | |
| 108 node->next->prev = node->prev; | |
| 109 else | |
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110 lib->resources->prev = node->prev; |
| 0 | 111 |
| 112 node->prev = node->next = NULL; | |
| 113 } | |
| 114 | |
| 115 | |
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116 DMResource * dmResourceFind(DMResourceLib *lib, const char *filename) |
| 0 | 117 { |
| 118 DMResource *node, *found = NULL; | |
| 119 | |
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120 if (lib == NULL) |
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121 return NULL; |
| 0 | 122 |
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123 dmMutexLock(lib->mutex); |
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124 |
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125 for (node = lib->resources; node != NULL; node = node->next) |
| 0 | 126 { |
| 127 if (strcmp(node->filename, filename) == 0) | |
| 128 { | |
| 129 found = node; | |
| 130 break; | |
| 131 } | |
| 132 } | |
| 133 | |
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134 dmMutexUnlock(lib->mutex); |
| 0 | 135 |
| 136 return found; | |
| 137 } | |
| 138 | |
| 139 | |
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140 #ifdef DM_USE_STDIO |
| 0 | 141 /* Basic stdio file routines |
| 142 */ | |
| 143 static int dm_stdio_fopen(DMResource *handle) | |
| 144 { | |
| 145 char *rfilename = dm_strdup_printf("%s%s", DMRES_DATA_PATH, handle->filename); | |
| 146 if (rfilename == NULL) | |
| 147 return DMERR_MALLOC; | |
| 148 | |
| 149 handle->fh = fopen(rfilename, "rb"); | |
| 150 dmFree(rfilename); | |
| 151 | |
| 152 handle->error = dmGetErrno(); | |
| 153 return (handle->fh != NULL) ? DMERR_OK : DMERR_FOPEN; | |
| 154 } | |
| 155 | |
| 156 | |
| 157 static void dm_stdio_fclose(DMResource * f) | |
| 158 { | |
| 159 if (f->fh != NULL) | |
| 160 { | |
| 161 fclose(f->fh); | |
| 162 f->fh = NULL; | |
| 163 } | |
| 164 } | |
| 165 | |
| 166 | |
| 167 static int dm_stdio_ferror(DMResource * f) | |
| 168 { | |
| 169 return f->error; | |
| 170 } | |
| 171 | |
| 172 | |
| 173 static int dm_stdio_fseek(DMResource *f, const off_t pos, const int whence) | |
| 174 { | |
| 175 int ret = fseek(f->fh, pos, whence); | |
| 176 f->error = dmGetErrno(); | |
| 177 return ret; | |
| 178 } | |
| 179 | |
| 180 | |
| 732 | 181 static int dm_stdio_freset(DMResource * f) |
| 182 { | |
| 183 if (f->fh != NULL) | |
| 184 return dm_stdio_fseek(f, 0L, SEEK_SET); | |
| 185 else | |
| 186 return DMERR_OK; | |
| 187 } | |
| 188 | |
| 189 | |
| 0 | 190 static off_t dm_stdio_fsize(DMResource *f) |
| 191 { | |
| 192 off_t savePos, fileSize; | |
| 193 | |
| 194 // Check if the size is cached | |
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195 if (f->rawSize != 0) |
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196 return f->rawSize; |
| 0 | 197 |
| 198 // Get file size | |
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199 savePos = ftello(f->fh); |
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200 if (fseeko(f->fh, 0L, SEEK_END) != 0) |
| 0 | 201 { |
| 202 f->error = dmGetErrno(); | |
| 203 return -1; | |
| 204 } | |
| 205 | |
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206 fileSize = ftello(f->fh); |
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207 if (fseeko(f->fh, savePos, SEEK_SET) != 0) |
| 0 | 208 { |
| 209 f->error = dmGetErrno(); | |
| 210 return -1; | |
| 211 } | |
| 212 | |
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213 f->rawSize = fileSize; |
| 0 | 214 return fileSize; |
| 215 } | |
| 216 | |
| 217 | |
| 218 static off_t dm_stdio_ftell(DMResource * f) | |
| 219 { | |
| 220 return ftell(f->fh); | |
| 221 } | |
| 222 | |
| 223 | |
| 224 static BOOL dm_stdio_feof(DMResource * f) | |
| 225 { | |
| 226 return feof(f->fh); | |
| 227 } | |
| 228 | |
| 229 | |
| 230 static int dm_stdio_fgetc(DMResource * f) | |
| 231 { | |
| 232 int ret = fgetc(f->fh); | |
| 233 f->error = dmGetErrno(); | |
| 234 return ret; | |
| 235 } | |
| 236 | |
| 237 | |
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238 static int dm_stdio_fputc(int v, DMResource * f) |
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239 { |
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240 int ret = fputc(v, f->fh); |
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241 f->error = dmGetErrno(); |
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242 return ret; |
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243 } |
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244 |
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245 |
| 0 | 246 static size_t dm_stdio_fread(void *ptr, size_t size, size_t nmemb, DMResource * f) |
| 247 { | |
| 248 size_t ret = fread(ptr, size, nmemb, f->fh); | |
| 249 f->error = dmGetErrno(); | |
| 250 return ret; | |
| 251 } | |
| 252 | |
| 253 | |
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254 static size_t dm_stdio_fwrite(void *ptr, size_t size, size_t nmemb, DMResource * f) |
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255 { |
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256 size_t ret = fwrite(ptr, size, nmemb, f->fh); |
|
c560703e85ed
Add resource writing functions (only work for stdio backend)
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33
diff
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|
257 f->error = dmGetErrno(); |
|
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Add resource writing functions (only work for stdio backend)
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33
diff
changeset
|
258 return ret; |
|
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Add resource writing functions (only work for stdio backend)
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33
diff
changeset
|
259 } |
|
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Add resource writing functions (only work for stdio backend)
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parents:
33
diff
changeset
|
260 |
|
c560703e85ed
Add resource writing functions (only work for stdio backend)
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33
diff
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|
261 |
| 0 | 262 static int dm_stdio_preload(DMResource *handle) |
| 263 { | |
| 264 int ret = dm_stdio_fopen(handle); | |
| 265 if (ret != DMERR_OK) | |
| 266 return ret; | |
| 267 | |
| 268 dm_stdio_fsize(handle); | |
| 269 | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
270 handle->rawData = dmMalloc(handle->rawSize); |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
271 if (handle->rawData == NULL) |
| 0 | 272 return DMERR_MALLOC; |
| 273 | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
274 if (dm_stdio_fread(handle->rawData, sizeof(Uint8), handle->rawSize, handle) != handle->rawSize) |
| 0 | 275 return DMERR_FREAD; |
| 276 | |
| 277 return DMERR_OK; | |
| 278 } | |
| 279 | |
| 280 | |
| 281 DMResourceOps dfStdioFileOps = | |
| 282 { | |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
283 "Stdio", |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
284 |
| 732 | 285 dm_stdio_freset, |
| 0 | 286 dm_stdio_ferror, |
| 287 dm_stdio_fseek, | |
| 288 dm_stdio_fsize, | |
| 289 dm_stdio_ftell, | |
| 290 dm_stdio_feof, | |
| 291 dm_stdio_fgetc, | |
|
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
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33
diff
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|
292 dm_stdio_fputc, |
| 0 | 293 dm_stdio_fread, |
|
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
294 dm_stdio_fwrite, |
| 0 | 295 |
| 296 dm_stdio_fopen, | |
| 297 dm_stdio_fclose, | |
| 298 dm_stdio_preload | |
| 299 }; | |
| 300 | |
| 301 DMResourceOps dfStdioFHOps = | |
| 302 { | |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
303 "StdioFH", |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
304 |
| 732 | 305 dm_stdio_freset, |
| 0 | 306 dm_stdio_ferror, |
| 307 dm_stdio_fseek, | |
| 308 dm_stdio_fsize, | |
| 309 dm_stdio_ftell, | |
| 310 dm_stdio_feof, | |
| 311 dm_stdio_fgetc, | |
|
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
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33
diff
changeset
|
312 dm_stdio_fputc, |
| 0 | 313 dm_stdio_fread, |
|
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
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33
diff
changeset
|
314 dm_stdio_fwrite, |
| 0 | 315 |
| 316 NULL, | |
| 317 NULL, | |
| 318 NULL | |
| 319 }; | |
| 320 #endif | |
| 321 | |
| 322 | |
| 323 // Some mingw/windows headers define these as macros, which is bad for us | |
| 324 #ifdef __WIN32 | |
| 325 #undef ferror | |
| 326 #undef feof | |
| 327 #endif | |
| 328 | |
| 329 | |
| 330 /* | |
| 331 * PACK file routines | |
| 332 */ | |
|
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
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114
diff
changeset
|
333 #ifdef DM_USE_PACKFS |
|
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
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989
diff
changeset
|
334 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
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changeset
|
335 #ifdef DM_USE_ZLIB |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
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989
diff
changeset
|
336 |
|
995
aeafd6d44465
Move and rename a constant define.
Matti Hamalainen <ccr@tnsp.org>
parents:
993
diff
changeset
|
337 #define DMRES_TMPBUF_SIZE (128 * 1024) |
|
aeafd6d44465
Move and rename a constant define.
Matti Hamalainen <ccr@tnsp.org>
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993
diff
changeset
|
338 |
|
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
339 static int dm_pack_decompress(DMResource *handle, DMPackEntry *node) |
| 0 | 340 { |
| 341 int res = DMERR_OK, cres, cdataLeft; | |
|
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
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diff
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|
342 Uint8 * cbuffer = NULL; |
|
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
343 z_stream zstr; |
|
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
344 BOOL zinit = FALSE; |
| 0 | 345 |
| 346 // Allocate a structures and buffers | |
|
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
347 if ((cbuffer = dmMalloc(DMRES_TMPBUF_SIZE)) == NULL) |
| 0 | 348 { |
| 349 res = DMERR_MALLOC; | |
|
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
350 goto out; |
| 0 | 351 } |
| 352 | |
| 353 // Initialize decompression | |
|
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
354 memset(&zstr, 0, sizeof(zstr); |
|
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
355 zstr.next_out = handle->rawData; |
|
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
356 zstr.avail_out = handle->rawSize; |
| 0 | 357 cdataLeft = node->length; |
|
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
358 |
|
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
359 if (inflateInit(&zstr) != Z_OK) |
| 0 | 360 { |
|
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
361 res = dmError(DMERR_INIT_FAIL, |
|
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
362 "Could not initialize zlib stream decompression.\n"); |
|
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
363 goto out; |
| 0 | 364 } |
|
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
365 zinit = TRUE; |
| 0 | 366 |
| 367 // Uncompress the data | |
|
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
368 while (cdataLeft > 0 && zstr.avail_out > 0 && cres == Z_OK) |
| 0 | 369 { |
|
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
370 zstr.avail_in = fread( |
| 0 | 371 cbuffer, sizeof(Uint8), |
|
995
aeafd6d44465
Move and rename a constant define.
Matti Hamalainen <ccr@tnsp.org>
parents:
993
diff
changeset
|
372 (cdataLeft >= DMRES_TMPBUF_SIZE) ? DMRES_TMPBUF_SIZE : cdataLeft, |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
373 handle->lib->packFile->file); |
| 0 | 374 |
|
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
375 cdataLeft -= zstr.avail_in; |
|
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
376 zstr.next_in = cbuffer; |
|
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
377 cres = inflate(&zstr, Z_FULL_FLUSH); |
| 0 | 378 } |
| 379 | |
|
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
380 |
|
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
381 out: |
| 0 | 382 // Cleanup |
|
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
383 if (zinit) |
|
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
384 inflateEnd(&zstr); |
| 0 | 385 |
| 386 dmFree(cbuffer); | |
| 387 return res; | |
| 388 } | |
| 389 | |
|
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
390 #else |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
391 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
392 static int dm_pack_decompress(DMResource *handle, DMPackEntry *node) |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
393 { |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
394 DMZLibContext ctx; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
395 Uint8 *inBuf = NULL; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
396 int ret; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
397 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
398 if ((inBuf = dmMalloc(node->length)) == NULL) |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
399 { |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
400 ret = DMERR_MALLOC; |
| 1010 | 401 goto out; |
|
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
402 } |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
403 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
404 if (fread(inBuf, sizeof(Uint8), node->length, handle->lib->packFile->file) != node->length) |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
405 { |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
406 ret = DMERR_FREAD; |
| 1010 | 407 goto out; |
|
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
408 } |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
409 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
410 if ((ctx.zout = ctx.zoutStart = dmMalloc(node->size)) == NULL) |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
411 { |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
412 ret = dmError(DMERR_MALLOC, |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
413 "Failed to allocate initial decompression buffer.\n"); |
| 1010 | 414 goto out; |
|
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
415 } |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
416 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
417 ctx.zbuffer = inBuf; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
418 ctx.zbufferEnd = inBuf + node->length; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
419 ctx.zoutEnd = ctx.zoutStart + node->size; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
420 ctx.expandable = TRUE; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
421 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
422 if ((ret = dmZLibParseHeader(&ctx, TRUE)) != DMERR_OK) |
| 1010 | 423 goto out; |
|
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
424 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
425 if ((ret = dmZLibDecode(&ctx)) != DMERR_OK) |
| 1010 | 426 goto out; |
|
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
427 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
428 handle->rawOffset = 0; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
429 handle->rawData = ctx.zoutStart; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
430 handle->rawSize = ctx.zout - ctx.zoutStart; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
431 if (handle->rawSize != node->size) |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
432 { |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
433 ret = dmError(DMERR_COMPRESSION, |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
434 "Decompressed data size for '%s' does not match size stored in PACK entry (%d <> %d).\n", |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
435 node->filename, handle->rawSize, node->size); |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
436 } |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
437 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
438 err: |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
439 dmFree(inBuf); |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
440 return ret; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
441 } |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
442 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
443 #endif |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
444 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
445 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
446 static int dm_pack_preload(DMResource *handle) |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
447 { |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
448 DMPackEntry *node; |
|
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
449 int ret = DMERR_OK; |
|
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
450 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
451 if (handle->lib == NULL || handle->lib->packFile == NULL) |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
452 return DMERR_NULLPTR; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
453 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
454 // Search PACK nodelist for file |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
455 if ((node = dmPackFind(handle->lib->packFile->entries, handle->filename)) == NULL) |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
456 { |
|
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
457 ret = dmError(DMERR_NOT_FOUND, |
|
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
458 "Entry '%s' not found in PACK file.\n", |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
459 handle->filename); |
| 1010 | 460 goto out; |
|
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
461 } |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
462 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
463 // Seek to entry |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
464 if (fseek(handle->lib->packFile->file, node->offset, SEEK_SET) == -1) |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
465 { |
|
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
466 ret = dmError(DMERR_FSEEK, |
|
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
467 "Could not seek node position in PACK file.\n"); |
| 1010 | 468 goto out; |
|
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
469 } |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
470 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
471 res = dm_pack_decompress(handle, node); |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
472 |
| 1010 | 473 out: |
|
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
474 return ret; |
|
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
475 } |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
476 |
| 0 | 477 |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
478 static int dm_pack_fopen(DMResource * f) |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
479 { |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
480 if ((f->flags & DMF_LOADED_RAW) == 0) |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
481 { |
|
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
482 int ret = dm_pack_preload(f); |
|
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
483 if (ret == DMERR_OK) |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
484 f->flags |= DMF_LOADED_RAW; |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
485 |
|
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
486 return ret; |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
487 } |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
488 else |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
489 return DMERR_OK; |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
490 } |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
491 |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
492 |
|
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
493 static void dm_pack_fclose(DMResource * f) |
| 0 | 494 { |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
495 if ((f->flags & DMF_PERSIST) == 0) |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
496 dmResourceFreeRawData(f); |
| 0 | 497 } |
|
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
498 #endif |
| 0 | 499 |
| 500 | |
| 732 | 501 static int dm_mem_freset(DMResource * f) |
| 502 { | |
| 503 f->rawOffset = 0; | |
| 504 return DMERR_OK; | |
| 505 } | |
| 506 | |
| 507 | |
| 0 | 508 static int dm_mem_ferror(DMResource * f) |
| 509 { | |
| 510 return f->error; | |
| 511 } | |
| 512 | |
| 513 | |
| 514 static int dm_mem_fseek(DMResource * f, const off_t offset, const int whence) | |
| 515 { | |
| 516 off_t newPos; | |
| 517 | |
| 518 // Calculate the new position | |
| 519 switch (whence) | |
| 520 { | |
| 521 case SEEK_SET: | |
| 522 newPos = offset; | |
| 523 break; | |
| 524 | |
| 525 case SEEK_CUR: | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
526 newPos = f->rawOffset + offset; |
| 0 | 527 break; |
| 528 | |
| 529 case SEEK_END: | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
530 newPos = f->rawSize + offset; |
| 0 | 531 break; |
| 532 | |
| 533 default: | |
| 534 return -1; | |
| 535 } | |
| 536 | |
| 537 // Set the new position | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
538 f->rawOffset = newPos; |
| 0 | 539 |
| 540 // Check the new position | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
541 if (newPos < 0 && (size_t) newPos >= f->rawSize) |
| 0 | 542 return -1; |
| 543 | |
| 544 return 0; | |
| 545 } | |
| 546 | |
| 547 | |
| 548 static off_t dm_mem_fsize(DMResource * f) | |
| 549 { | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
550 return f->rawSize; |
| 0 | 551 } |
| 552 | |
| 553 | |
| 554 static off_t dm_mem_ftell(DMResource * f) | |
| 555 { | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
556 return f->rawOffset; |
| 0 | 557 } |
| 558 | |
| 559 | |
| 560 static BOOL dm_mem_feof(DMResource * f) | |
| 561 { | |
| 562 // Check for EOF | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
563 if ((size_t) f->rawOffset <= f->rawSize) |
| 0 | 564 return FALSE; |
| 565 else | |
| 566 return TRUE; | |
| 567 } | |
| 568 | |
| 569 | |
| 570 static int dm_mem_fgetc(DMResource * f) | |
| 571 { | |
| 572 // Check for EOF | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
573 if ((size_t) f->rawOffset < f->rawSize) |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
574 return f->rawData[f->rawOffset++]; |
| 0 | 575 else |
| 576 return EOF; | |
| 577 } | |
| 578 | |
| 579 | |
| 580 static size_t dm_mem_fread(void *buf, size_t size, size_t nmemb, DMResource * f) | |
| 581 { | |
| 582 size_t length = (size * nmemb); | |
| 583 | |
| 584 // Check if we can read the whole chunk | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
585 if (((size_t) f->rawOffset + length) >= f->rawSize) |
| 0 | 586 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
587 nmemb = (f->rawSize - f->rawOffset) / size; |
| 0 | 588 length = size * nmemb; |
| 589 } | |
| 590 | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
591 memcpy(buf, f->rawData + f->rawOffset, length); |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
592 f->rawOffset += length; |
| 0 | 593 return nmemb; |
| 594 } | |
| 595 | |
| 596 | |
|
439
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
597 static int dm_mem_fputc(int ch, DMResource * f) |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
598 { |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
599 // Check for EOF |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
600 if ((size_t) f->rawOffset < f->rawSize) |
|
439
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
601 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
602 f->rawData[f->rawOffset++] = ch; |
|
439
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
603 return ch; |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
604 } |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
605 else |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
606 return EOF; |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
607 } |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
608 |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
609 |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
610 static size_t dm_mem_fwrite(void *buf, size_t size, size_t nmemb, DMResource * f) |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
611 { |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
612 size_t length = (size * nmemb); |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
613 |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
614 // Check if we can write the whole chunk |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
615 if (((size_t) f->rawOffset + length) >= f->rawSize) |
|
439
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
616 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
617 nmemb = (f->rawSize - f->rawOffset) / size; |
|
439
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
618 length = size * nmemb; |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
619 } |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
620 |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
621 if (length > 0) |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
622 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
623 memcpy(f->rawData + f->rawOffset, buf, length); |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
624 f->rawOffset += length; |
|
439
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
625 } |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
626 return nmemb; |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
627 } |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
628 |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
629 |
|
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
630 #ifdef DM_USE_PACKFS |
| 0 | 631 DMResourceOps dfPackFileOps = |
| 632 { | |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
633 "PackFS", |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
634 |
| 732 | 635 dm_mem_freset, |
| 0 | 636 dm_mem_ferror, |
| 637 dm_mem_fseek, | |
| 638 dm_mem_fsize, | |
| 639 dm_mem_ftell, | |
| 640 dm_mem_feof, | |
| 641 dm_mem_fgetc, | |
|
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
642 NULL, |
| 0 | 643 dm_mem_fread, |
|
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
644 NULL, |
| 0 | 645 |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
646 dm_pack_fopen, |
|
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
647 dm_pack_fclose, |
| 732 | 648 dm_pack_preload, |
| 0 | 649 }; |
|
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
650 #endif |
| 0 | 651 |
| 652 | |
| 653 DMResourceOps dfMemIOFileOps = | |
| 654 { | |
|
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867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
655 "MemIO", |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
656 |
| 732 | 657 dm_mem_freset, |
| 0 | 658 dm_mem_ferror, |
| 659 dm_mem_fseek, | |
| 660 dm_mem_fsize, | |
| 661 dm_mem_ftell, | |
| 662 dm_mem_feof, | |
| 663 dm_mem_fgetc, | |
|
439
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
664 dm_mem_fputc, |
| 0 | 665 dm_mem_fread, |
|
439
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
666 dm_mem_fwrite, |
| 0 | 667 |
| 668 NULL, | |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
669 dmResourceFree, |
| 0 | 670 NULL |
| 671 }; | |
| 672 | |
| 673 | |
| 674 /* FS file handling functions. These functions call the actual | |
| 675 * functions depending on where the file is located. | |
| 676 */ | |
|
728
867fc7f205a8
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Matti Hamalainen <ccr@tnsp.org>
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changeset
|
677 static int dmResourcePreload(DMResource *handle) |
|
29
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Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
678 { |
| 733 | 679 int ret = DMERR_OK; |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
680 |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
681 // Check if we want to preload raw data? |
|
737
897646df1de1
Handle preloading of resources that do not have rops.
Matti Hamalainen <ccr@tnsp.org>
parents:
736
diff
changeset
|
682 if ((handle->lib->flags & DRF_PRELOAD_RAW) || |
|
897646df1de1
Handle preloading of resources that do not have rops.
Matti Hamalainen <ccr@tnsp.org>
parents:
736
diff
changeset
|
683 handle->rops == NULL || handle->rops->load == NULL) |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
684 { |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
685 if (handle->flags & DMF_LOADED_RAW) |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
686 ret = DMERR_OK; |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
687 else |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
688 if (handle->fops->preload != NULL) |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
689 { |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
690 ret = handle->fops->preload(handle); |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
691 if (ret == DMERR_OK) |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
692 handle->flags |= DMF_LOADED_RAW | DMF_PERSIST; |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
693 } |
| 733 | 694 else |
| 695 ret = DMERR_INIT_FAIL; | |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
696 |
| 732 | 697 dmfreset(handle); |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
698 } |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
699 |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
700 // Check if resource data is to be preloaded |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
701 if (handle->lib->flags & DRF_PRELOAD_RES) |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
702 { |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
703 if (handle->flags & DMF_LOADED_RES) |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
704 ret = DMERR_OK; |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
705 else |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
706 if (handle->rops != NULL && |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
707 handle->rops->load != NULL) |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
708 { |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
709 if ((ret = handle->fops->fopen(handle)) == DMERR_OK) |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
710 { |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
711 ret = handle->rops->load(handle); |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
712 handle->fops->fclose(handle); |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
713 } |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
714 |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
715 if (ret == DMERR_OK) |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
716 handle->flags |= DMF_LOADED_RES; |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
717 } |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
718 |
| 732 | 719 dmfreset(handle); |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
720 } |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
721 |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
722 return ret; |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
723 } |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
724 |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
725 |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
726 int dmf_open(DMResourceLib *lib, const char *filename, DMResource **phandle) |
| 0 | 727 { |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
728 DMResource *handle; |
|
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
729 int ret; |
| 0 | 730 |
| 731 // Check master directory for resource | |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
732 if ((*phandle = handle = dmResourceFind(lib, filename)) == NULL) |
| 0 | 733 { |
|
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
734 #ifdef DM_USE_STDIO |
|
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
735 if (lib->flags & DRF_USE_STDIO) |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
736 { |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
737 // Hmm.. does not exist? Fall back to a stdio file |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
738 *phandle = handle = dmResourceNew(lib, filename, 0); |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
739 if (handle == NULL) |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
740 return DMERR_MALLOC; |
|
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
741 |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
742 handle->fops = &dfStdioFileOps; |
|
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
743 } |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
744 else |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
745 return DMERR_INIT_FAIL; |
| 0 | 746 #else |
| 747 // Stdio not enabled, fail | |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
748 return DMERR_INIT_FAIL; |
| 0 | 749 #endif |
| 750 } | |
| 751 | |
| 752 // Check if the data is preloaded | |
|
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
753 if ((ret = handle->fops->fopen(handle)) == DMERR_OK) |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
754 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
755 dmResourceRef(handle); |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
756 if (handle->flags & DMF_TEMPORARY) |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
757 { |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
758 handle->flags &= ~DMF_TEMPORARY; |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
759 dmResourceInsert(lib, handle); |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
760 } |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
761 } |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
762 else |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
763 if (handle->flags & DMF_TEMPORARY) |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
764 { |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
765 dmResourceFree(handle); |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
766 *phandle = handle = NULL; |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
767 } |
| 0 | 768 |
|
737
897646df1de1
Handle preloading of resources that do not have rops.
Matti Hamalainen <ccr@tnsp.org>
parents:
736
diff
changeset
|
769 dmfreset(handle); |
|
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
770 return ret; |
| 0 | 771 } |
| 772 | |
| 773 | |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
774 int dmf_create_memio(DMResourceLib *lib, const char *filename, |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
775 Uint8 *buf, const size_t size, DMResource **phandle) |
| 0 | 776 { |
| 777 DMResource *handle; | |
| 778 | |
| 779 // Check master directory for resource | |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
780 if ((*phandle = handle = dmResourceFind(lib, filename)) == NULL) |
| 0 | 781 { |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
782 if ((*phandle = handle = dmResourceNew(lib, filename, size)) == NULL) |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
783 return DMERR_MALLOC; |
| 0 | 784 |
|
731
0e164aaa7409
Work on getting the resource subsystem working again ..
Matti Hamalainen <ccr@tnsp.org>
parents:
730
diff
changeset
|
785 handle->flags = DMF_LOADED_RAW | DMF_UNALLOCATED; |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
786 handle->fops = &dfMemIOFileOps; |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
787 handle->rawData = buf; |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
788 dmResourceInsert(lib, handle); |
| 0 | 789 } |
| 790 | |
| 791 // Increase refcount | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
792 dmResourceRef(handle); |
| 732 | 793 dmfreset(handle); |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
794 return DMERR_OK; |
| 0 | 795 } |
| 796 | |
| 797 | |
|
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
798 #ifdef DM_USE_STDIO |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
799 int dmf_create_stdio(const char *filename, const char *mode, DMResource **phandle) |
| 0 | 800 { |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
801 DMResource *handle; |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
802 if ((*phandle = handle = dmResourceNew(NULL, filename, 0)) == NULL) |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
803 return DMERR_MALLOC; |
| 0 | 804 |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
805 handle->fops = &dfStdioFileOps; |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
806 handle->fh = fopen(filename, mode); |
| 0 | 807 handle->error = dmGetErrno(); |
| 808 | |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
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|
809 if (handle->fh == NULL) |
| 0 | 810 { |
|
721
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Matti Hamalainen <ccr@tnsp.org>
parents:
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|
811 dmResourceFree(handle); |
|
730
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|
812 return handle->error; |
| 0 | 813 } |
|
730
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diff
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|
814 |
|
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|
815 dmResourceRef(handle); |
|
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|
816 return DMERR_OK; |
| 0 | 817 } |
| 818 | |
| 819 | |
|
730
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|
820 int dmf_create_stdio_stream(FILE *fh, DMResource **phandle) |
| 0 | 821 { |
|
730
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|
822 DMResource *handle; |
|
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|
823 if ((*phandle = handle = dmResourceNew(NULL, "", 0)) == NULL) |
|
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|
824 return DMERR_MALLOC; |
| 0 | 825 |
| 826 handle->fops = &dfStdioFHOps; | |
|
721
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Matti Hamalainen <ccr@tnsp.org>
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|
827 handle->fh = fh; |
|
bb14d7907eb2
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Matti Hamalainen <ccr@tnsp.org>
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|
828 dmResourceRef(handle); |
|
730
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|
829 return DMERR_OK; |
| 0 | 830 } |
| 831 #endif | |
| 832 | |
| 833 | |
| 834 void dmf_close(DMResource * f) | |
| 835 { | |
| 836 if (f == NULL) | |
| 837 return; | |
| 838 | |
| 839 if (f->fops->fclose != NULL) | |
| 840 f->fops->fclose(f); | |
| 841 | |
|
721
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Matti Hamalainen <ccr@tnsp.org>
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diff
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|
842 dmResourceUnref(f); |
| 0 | 843 } |
| 844 | |
| 845 | |
| 732 | 846 int dmfreset(DMResource *f) |
| 847 { | |
| 848 if (f == NULL) | |
| 849 return DMERR_NULLPTR; | |
| 850 | |
| 851 if (f->fops == NULL || f->fops->freset == NULL) | |
| 852 return DMERR_OK; | |
| 853 | |
| 854 return f->fops->freset(f); | |
| 855 } | |
| 856 | |
| 0 | 857 int dmferror(DMResource * f) |
| 858 { | |
| 859 f->atime = time(NULL); | |
| 860 return f->fops->ferror(f); | |
| 861 } | |
| 862 | |
| 863 int dmfseek(DMResource * f, off_t offset, int whence) | |
| 864 { | |
| 865 f->atime = time(NULL); | |
| 866 return f->fops->fseek(f, offset, whence); | |
| 867 } | |
| 868 | |
| 869 off_t dmfsize(DMResource * f) | |
| 870 { | |
| 871 f->atime = time(NULL); | |
| 872 return f->fops->fsize(f); | |
| 873 } | |
| 874 | |
| 875 off_t dmftell(DMResource * f) | |
| 876 { | |
| 877 f->atime = time(NULL); | |
| 878 return f->fops->ftell(f); | |
| 879 } | |
| 880 | |
| 881 BOOL dmfeof(DMResource * f) | |
| 882 { | |
| 883 f->atime = time(NULL); | |
| 884 return f->fops->feof(f); | |
| 885 } | |
| 886 | |
| 887 int dmfgetc(DMResource * f) | |
| 888 { | |
| 889 f->atime = time(NULL); | |
| 890 return f->fops->fgetc(f); | |
| 891 } | |
| 892 | |
|
74
23ac82365a65
Add file mode to dmf_create_stdio().
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|
893 int dmfputc(int v, DMResource * f) |
|
72
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|
894 { |
|
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Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
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|
895 f->atime = time(NULL); |
|
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Improve and finish write functions in resource subsystem.
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|
896 return f->fops->fputc(v, f); |
|
be6160981428
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|
897 } |
|
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|
898 |
| 0 | 899 size_t dmfread(void *ptr, size_t size, size_t nmemb, DMResource * f) |
| 900 { | |
| 901 f->atime = time(NULL); | |
| 902 return f->fops->fread(ptr, size, nmemb, f); | |
| 903 } | |
| 904 | |
|
72
be6160981428
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|
905 size_t dmfwrite(void *ptr, size_t size, size_t nmemb, DMResource * f) |
|
be6160981428
Improve and finish write functions in resource subsystem.
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|
906 { |
|
be6160981428
Improve and finish write functions in resource subsystem.
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|
907 f->atime = time(NULL); |
|
be6160981428
Improve and finish write functions in resource subsystem.
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|
908 return f->fops->fwrite(ptr, size, nmemb, f); |
|
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diff
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|
909 } |
|
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59
diff
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|
910 |
| 235 | 911 char *dmfgets(char *s, int size, DMResource * f) |
| 912 { | |
| 913 char *p = s, c; | |
| 914 int n = 0; | |
| 915 | |
| 916 while ((c = f->fops->fgetc(f)) != EOF) | |
| 917 { | |
|
237
6d9d43bb68eb
Oops, another silly issue in dmfgets().
Matti Hamalainen <ccr@tnsp.org>
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|
918 n++; |
| 235 | 919 if (c == '\n') |
| 920 break; | |
| 921 else | |
| 922 if (n < size - 1) | |
| 923 *p++ = c; | |
| 924 } | |
| 925 *p = 0; | |
| 926 | |
|
236
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Oops, dmfgets() had a nasty think-o and counted the remaining buffer space
Matti Hamalainen <ccr@tnsp.org>
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|
927 return (n > 0) ? s : NULL; |
| 235 | 928 } |
| 929 | |
| 930 | |
|
721
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|
931 int dmResourceRef(DMResource *node) |
| 0 | 932 { |
|
359
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|
933 if (node->lib != NULL) dmMutexLock(node->lib->mutex); |
|
27
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|
934 node->atime = time(NULL); |
|
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|
935 node->refcount++; |
|
359
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|
936 if (node->lib != NULL) dmMutexUnlock(node->lib->mutex); |
| 0 | 937 |
|
27
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|
938 return node->refcount; |
| 0 | 939 } |
| 940 | |
| 941 | |
|
721
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|
942 int dmResourceUnref(DMResource *node) |
| 0 | 943 { |
|
359
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|
944 if (node->lib != NULL) dmMutexLock(node->lib->mutex); |
|
27
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|
945 node->refcount--; |
|
359
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|
946 if (node->lib != NULL) dmMutexUnlock(node->lib->mutex); |
| 0 | 947 |
|
27
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|
948 return node->refcount; |
| 0 | 949 } |
| 950 | |
| 951 | |
|
625
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|
952 #ifdef DM_USE_STDIO |
| 727 | 953 static int dmResourcesLoadDirectory(DMResourceLib *lib, const char *path) |
| 0 | 954 { |
|
1014
501ee5f0c043
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Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
955 int ret = DMERR_OK; |
| 630 | 956 struct dirent *dh; |
|
625
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|
957 DIR *hdir = opendir(path); |
|
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|
958 if (hdir == NULL) |
|
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diff
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|
959 return dmGetErrno(); |
| 0 | 960 |
|
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|
961 dmMutexLock(lib->mutex); |
| 0 | 962 |
|
625
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|
963 do |
| 0 | 964 { |
|
625
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|
965 DMResource *node = NULL; |
| 630 | 966 dh = readdir(hdir); |
| 967 if (dh != NULL) | |
| 0 | 968 { |
|
625
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|
969 struct stat sbuf; |
|
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|
970 char *fname = dm_strdup_printf("%s/%s", path, dh->d_name); |
|
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diff
changeset
|
971 if (stat(fname, &sbuf) == -1) |
|
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|
972 { |
|
1014
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Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
973 ret = dmError(dmGetErrno(), |
|
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
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|
974 "Could not stat() %s, #%d: %s\n", |
|
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
975 fname, ret, dmErrorStr(ret)); |
|
625
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613
diff
changeset
|
976 dmFree(fname); |
|
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|
977 goto out; |
|
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|
978 } |
| 0 | 979 |
|
625
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|
980 if (S_ISREG(sbuf.st_mode)) |
|
721
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Matti Hamalainen <ccr@tnsp.org>
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|
981 node = dmResourceNew(lib, dh->d_name, sbuf.st_size); |
|
625
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|
982 } |
| 630 | 983 |
|
625
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|
984 if (node != NULL) |
|
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|
985 { |
|
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|
986 node->fops = &dfStdioFileOps; |
|
721
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|
987 dmResourceInsert(lib, node); |
|
625
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|
988 } |
| 630 | 989 } while (dh != NULL); |
| 0 | 990 |
|
625
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|
991 out: |
|
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|
992 dmMutexUnlock(lib->mutex); |
| 0 | 993 |
|
625
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|
994 #ifdef __WIN32 |
|
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|
995 #else |
|
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|
996 closedir(hdir); |
|
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|
997 #endif |
|
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|
998 |
|
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Matti Hamalainen <ccr@tnsp.org>
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|
999 return ret; |
| 0 | 1000 } |
|
625
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|
1001 #endif |
| 0 | 1002 |
| 1003 | |
| 1004 /* Resources subsystem initialization and shutdown routines | |
| 1005 */ | |
|
721
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|
1006 int dmResourcesInit(DMResourceLib **plib, const char *filename, const char *path, const int flags, int (*classifier)(DMResource *)) |
| 0 | 1007 { |
|
359
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|
1008 DMResourceLib *lib; |
|
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|
1009 BOOL initialized = FALSE; |
|
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|
1010 |
|
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|
1011 // Allocate the resource library structure |
|
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|
1012 if ((*plib = lib = dmMalloc0(sizeof(DMResourceLib))) == NULL) |
|
59045853853d
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|
1013 return DMERR_MALLOC; |
| 0 | 1014 |
|
359
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237
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|
1015 // Basic data |
|
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|
1016 lib->mutex = dmCreateMutex(); |
|
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|
1017 lib->flags = flags; |
|
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|
1018 lib->resPath = dm_strdup((path != NULL) ? path : DMRES_DATA_PATH); |
| 0 | 1019 |
| 107 | 1020 |
|
625
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changeset
|
1021 #ifdef DM_USE_PACKFS |
| 734 | 1022 if (flags & DRF_USE_PACK) |
| 0 | 1023 { |
| 1024 int ret; | |
| 1025 DMPackEntry *node; | |
| 1026 | |
|
359
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|
1027 lib->packFilename = dm_strdup((filename != NULL) ? filename : DMRES_DATA_PACK); |
| 0 | 1028 |
| 1029 // Initialize PACK, open as read-only | |
|
721
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parents:
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|
1030 ret = dmPackOpen(lib->packFilename, &lib->packFile, TRUE); |
| 0 | 1031 if (ret != DMERR_OK) |
| 1032 { | |
|
625
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|
1033 if ((flags & DRF_USE_STDIO) == 0) |
|
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|
1034 { |
|
958
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Matti Hamalainen <ccr@tnsp.org>
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|
1035 return dmError(DMERR_INIT_FAIL, |
|
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
1036 "Error opening PACK file '%s', #%d: %s\n", |
|
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
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|
1037 lib->packFilename, ret, dmErrorStr(ret)); |
| 0 | 1038 } |
| 734 | 1039 else |
|
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
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parents:
872
diff
changeset
|
1040 { |
|
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1041 // Non-fatal |
|
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1042 dmError(DMERR_INIT_FAIL, |
|
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1043 "Failed to open PACK, falling back to STDIO, '%s' %d: %s\n", |
|
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1044 lib->packFilename, ret, dmErrorStr(ret)); |
|
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1045 } |
| 0 | 1046 } |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1047 else |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1048 { |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1049 // Initialize resources from a PACK file |
|
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More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1050 for (node = lib->packFile->entries; node != NULL; node = node->next) |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1051 { |
|
721
bb14d7907eb2
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1052 DMResource *res = dmResourceNew(lib, node->filename, node->size); |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1053 if (res == NULL) |
|
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1054 { |
|
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1055 return dmError(DMERR_INIT_FAIL, |
|
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1056 "Could not allocate memory for resource node '%s' [0x%08x], %d.\n", |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1057 node->filename, node->flags, node->size); |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1058 } |
|
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1059 |
|
736
ea42faa02a9a
Set packfile fileops in the appropriate handles.
Matti Hamalainen <ccr@tnsp.org>
parents:
734
diff
changeset
|
1060 res->fops = &dfPackFileOps; |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1061 dmResourceInsert(lib, res); |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1062 } |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1063 |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1064 initialized = TRUE; |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1065 } |
|
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1066 } |
| 0 | 1067 #endif |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1068 |
|
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Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
1069 #ifdef DM_USE_STDIO |
|
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
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|
1070 if (!initialized && (flags & DRF_USE_STDIO)) |
| 0 | 1071 { |
| 1072 // Initialize resources from a resource directory | |
| 727 | 1073 int ret = dmResourcesLoadDirectory(lib, lib->resPath); |
| 0 | 1074 if (ret != DMERR_OK) |
|
625
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diff
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|
1075 return ret; |
|
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613
diff
changeset
|
1076 initialized = TRUE; |
| 0 | 1077 } |
|
625
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613
diff
changeset
|
1078 #endif |
|
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diff
changeset
|
1079 |
|
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diff
changeset
|
1080 if (!initialized) |
|
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1081 return DMERR_INIT_FAIL; |
| 0 | 1082 |
|
26
2f463a59d732
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Matti Hamalainen <ccr@tnsp.org>
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4
diff
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|
1083 // Okay, classify resources |
|
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Make resource management re-entrant.
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|
1084 if (lib->resources != NULL && classifier != NULL) |
|
26
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1085 { |
|
2f463a59d732
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diff
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|
1086 DMResource *node; |
|
359
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|
1087 for (node = lib->resources; node != NULL; node = node->next) |
|
26
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parents:
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diff
changeset
|
1088 { |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
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4
diff
changeset
|
1089 int ret = classifier(node); |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
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4
diff
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|
1090 if (ret != DMERR_OK) |
| 107 | 1091 return ret; |
|
26
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diff
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|
1092 } |
|
2f463a59d732
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1093 } |
| 0 | 1094 |
| 1095 // Initialization complete | |
| 1096 return DMERR_OK; | |
| 1097 } | |
| 1098 | |
| 1099 | |
|
721
bb14d7907eb2
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1100 int dmResourcesClose(DMResourceLib *lib) |
| 0 | 1101 { |
| 1102 DMResource *node; | |
|
359
59045853853d
Make resource management re-entrant.
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diff
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|
1103 |
|
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
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diff
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|
1104 if (lib == NULL) |
|
59045853853d
Make resource management re-entrant.
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|
1105 return DMERR_NULLPTR; |
|
59045853853d
Make resource management re-entrant.
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diff
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|
1106 |
|
59045853853d
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diff
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|
1107 dmMutexLock(lib->mutex); |
| 0 | 1108 |
| 1109 // Shutdown possible subsystems | |
|
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
1110 #ifdef DM_USE_PACKFS |
|
359
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Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
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237
diff
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|
1111 if (lib->flags & DRF_USE_PACK) |
| 0 | 1112 { |
|
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
1113 int ret = dmPackClose(lib->packFile); |
|
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
1114 if (ret != DMERR_OK) |
| 0 | 1115 { |
|
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
1116 dmError(ret, "Error closing PACK, #%i: %s\n", |
|
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
1117 ret, dmErrorStr(ret)); |
| 0 | 1118 } |
| 1119 | |
|
359
59045853853d
Make resource management re-entrant.
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diff
changeset
|
1120 dmFree(lib->packFilename); |
| 0 | 1121 } |
| 1122 #endif | |
| 1123 | |
| 1124 // Free resource entries | |
|
359
59045853853d
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Matti Hamalainen <ccr@tnsp.org>
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237
diff
changeset
|
1125 node = lib->resources; |
| 0 | 1126 while (node != NULL) |
| 1127 { | |
| 1128 DMResource *next = node->next; | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1129 dmResourceFree(node); |
| 0 | 1130 node = next; |
| 1131 } | |
| 1132 | |
| 1133 // Etc. | |
|
359
59045853853d
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|
1134 dmFree(lib->resPath); |
|
59045853853d
Make resource management re-entrant.
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237
diff
changeset
|
1135 dmMutexUnlock(lib->mutex); |
|
59045853853d
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changeset
|
1136 dmDestroyMutex(lib->mutex); |
|
59045853853d
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diff
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|
1137 return DMERR_OK; |
| 0 | 1138 } |
| 1139 | |
| 1140 | |
|
721
bb14d7907eb2
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1141 int dmResourcesPreload(DMResourceLib *lib, BOOL start, int *loaded, int *total) |
| 0 | 1142 { |
|
26
2f463a59d732
Implement rudimentary resource system.
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parents:
4
diff
changeset
|
1143 int ret = DMERR_OK; |
| 0 | 1144 |
|
359
59045853853d
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changeset
|
1145 dmMutexLock(lib->mutex); |
| 0 | 1146 |
|
26
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Implement rudimentary resource system.
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parents:
4
diff
changeset
|
1147 // Initialize preloading |
|
359
59045853853d
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changeset
|
1148 if (lib->preload == NULL || start) |
| 0 | 1149 { |
| 1150 DMResource *node; | |
|
26
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diff
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|
1151 |
|
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diff
changeset
|
1152 lib->preload = lib->resources; |
| 0 | 1153 *loaded = 0; |
| 1154 *total = 0; | |
|
26
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4
diff
changeset
|
1155 |
|
2f463a59d732
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4
diff
changeset
|
1156 // Calculate total number of resources to be preloaded |
|
721
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1157 if (lib->flags & (DRF_PRELOAD_RAW | DRF_PRELOAD_RES)) |
| 0 | 1158 { |
|
721
bb14d7907eb2
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parents:
630
diff
changeset
|
1159 for (node = lib->resources; node != NULL; node = node->next) |
| 0 | 1160 (*total)++; |
| 1161 } | |
| 1162 } | |
|
26
2f463a59d732
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4
diff
changeset
|
1163 else |
|
359
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diff
changeset
|
1164 if (lib->preload != NULL) |
| 0 | 1165 { |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
1166 // Attempt to preload the resource |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
1167 if ((ret = dmResourcePreload(lib->preload)) != DMERR_OK) |
|
628
0533f94e843b
Add error message to failed preloading.
Matti Hamalainen <ccr@tnsp.org>
parents:
627
diff
changeset
|
1168 { |
|
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1169 dmError(ret, "Error preloading '%s', %d: %s\n", |
|
628
0533f94e843b
Add error message to failed preloading.
Matti Hamalainen <ccr@tnsp.org>
parents:
627
diff
changeset
|
1170 lib->preload->filename, ret, dmErrorStr(ret)); |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
1171 goto error; |
|
628
0533f94e843b
Add error message to failed preloading.
Matti Hamalainen <ccr@tnsp.org>
parents:
627
diff
changeset
|
1172 } |
|
26
2f463a59d732
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parents:
4
diff
changeset
|
1173 |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
1174 (*loaded)++; |
|
359
59045853853d
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237
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|
1175 lib->preload = lib->preload->next; |
| 0 | 1176 } |
| 1177 | |
|
359
59045853853d
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|
1178 dmMutexUnlock(lib->mutex); |
|
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237
diff
changeset
|
1179 return (lib->preload == NULL) ? DMERR_OK : DMERR_PROGRESS; |
|
26
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4
diff
changeset
|
1180 |
|
2f463a59d732
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diff
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|
1181 error: |
|
359
59045853853d
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|
1182 dmMutexUnlock(lib->mutex); |
|
26
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diff
changeset
|
1183 return ret; |
| 0 | 1184 } |
| 1185 | |
| 1186 | |
|
721
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1187 void dmResourcePrune(DMResourceLib *lib, const int agems, int const flags) |
| 0 | 1188 { |
|
26
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4
diff
changeset
|
1189 DMResource *node; |
|
721
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parents:
630
diff
changeset
|
1190 const int stamp = time(NULL); |
|
359
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237
diff
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|
1191 dmMutexLock(lib->mutex); |
| 0 | 1192 |
|
359
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changeset
|
1193 for (node = lib->resources; node != NULL; node = node->next) |
| 0 | 1194 { |
| 1195 // Check if node has refcount of 0 and is | |
| 1196 // not marked as persistent resource | |
|
26
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diff
changeset
|
1197 if (node->refcount == 0 && |
|
2f463a59d732
Implement rudimentary resource system.
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parents:
4
diff
changeset
|
1198 (node->flags & DMF_PERSIST) == 0 && |
|
2f463a59d732
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parents:
4
diff
changeset
|
1199 (node->flags & (DMF_LOADED_RES | DMF_LOADED_RAW))) |
| 0 | 1200 { |
|
721
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1201 if (((flags & DMPRUNE_ATIME) && stamp - node->atime >= agems) || |
|
bb14d7907eb2
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1202 ((flags & DMPRUNE_MTIME) && stamp - node->mtime >= agems)) |
| 0 | 1203 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1204 dmResourceFreeResData(node); |
|
bb14d7907eb2
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parents:
630
diff
changeset
|
1205 dmResourceFreeRawData(node); |
| 0 | 1206 } |
| 1207 } | |
| 1208 } | |
| 1209 | |
|
359
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237
diff
changeset
|
1210 dmMutexUnlock(lib->mutex); |
| 0 | 1211 } |
| 1212 | |
| 1213 | |
| 1214 /* Helper resource access routines | |
| 1215 */ | |
|
553
b60220fd1669
s/Uint8/void/ in dmf_{read,write}_str().
Matti Hamalainen <ccr@tnsp.org>
parents:
439
diff
changeset
|
1216 int dmf_read_str(DMResource *f, void *s, size_t l) |
| 0 | 1217 { |
|
553
b60220fd1669
s/Uint8/void/ in dmf_{read,write}_str().
Matti Hamalainen <ccr@tnsp.org>
parents:
439
diff
changeset
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1218 return dmfread(s, 1, l, f) == l; |
| 0 | 1219 } |
| 1220 | |
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437
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1221 BOOL dmf_read_byte(DMResource *f, Uint8 *val) |
|
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1222 { |
|
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1223 int tmp = dmfgetc(f); |
|
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1224 *val = tmp; |
|
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1225 return tmp != EOF; |
|
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1226 } |
| 0 | 1227 |
| 1228 #define DM_DEFINE_FUNC(xname, xtype, xmacro) \ | |
| 1229 BOOL dmf_read_ ## xname (DMResource *f, xtype *v) { \ | |
| 1230 xtype result; \ | |
| 1231 if (dmfread(&result, sizeof( xtype ), 1, f) != 1) \ | |
| 1232 return FALSE; \ | |
| 1233 *v = DM_ ## xmacro ## _TO_NATIVE (result); \ | |
| 1234 return TRUE; \ | |
| 1235 } | |
| 1236 | |
| 1237 DM_DEFINE_FUNC(le16, Uint16, LE16) | |
| 1238 DM_DEFINE_FUNC(le32, Uint32, LE32) | |
| 1239 | |
| 1240 DM_DEFINE_FUNC(be16, Uint16, BE16) | |
| 1241 DM_DEFINE_FUNC(be32, Uint32, BE32) | |
| 1242 | |
| 1243 DM_DEFINE_FUNC(le64, Uint64, LE64) | |
| 1244 DM_DEFINE_FUNC(be64, Uint64, BE64) |