Mercurial > hg > dmlib
annotate dmres.c @ 722:ad3965b93ef1
Merge.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Sun, 21 Apr 2013 16:42:35 +0300 |
| parents | bb14d7907eb2 eb4bd1f7b679 |
| children | 3d74dc794a0a |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * dmlib | |
| 3 * -- Resource management | |
| 4 * Programmed and designed by Matti 'ccr' Hamalainen | |
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5 * (C) Copyright 2003-2013 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 #include <zlib.h> |
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12 #endif |
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13 |
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14 #ifdef DM_USE_STDIO |
| 630 | 15 #include <sys/types.h> |
| 16 #include <sys/stat.h> | |
| 17 #include <unistd.h> | |
| 18 #include <dirent.h> | |
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19 #endif |
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20 |
| 0 | 21 |
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22 DMResource *dmResourceNew(DMResourceLib *lib, const char *filename, const size_t size) |
| 0 | 23 { |
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24 DMResource *node = dmMalloc0(sizeof(DMResource)); |
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25 if (node == NULL) |
| 0 | 26 return NULL; |
| 27 | |
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28 node->lib = lib; |
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29 node->filename = dm_strdup(filename); |
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30 node->rawSize = size; |
| 0 | 31 |
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32 return node; |
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33 } |
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34 |
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35 |
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36 void dmResourceFreeResData(DMResource *node) |
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37 { |
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38 if (node->resData != NULL && |
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39 node->rops != NULL && |
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40 node->rops->free != NULL) |
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41 { |
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42 node->rops->free(node); |
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43 } |
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44 |
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45 node->resData = NULL; |
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46 node->flags &= !DMF_LOADED_RES; |
| 0 | 47 } |
| 48 | |
| 49 | |
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50 void dmResourceFreeRawData(DMResource *node) |
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51 { |
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52 dmFree(node->rawData); |
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53 node->rawData = NULL; |
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54 node->flags &= !DMF_LOADED_RAW; |
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55 } |
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56 |
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57 |
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58 void dmResourcePurge_raw_data(DMResource *node) |
| 0 | 59 { |
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60 if ((node->flags & DMF_LOADED_RAW) && |
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61 node->rawData != NULL) |
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62 dmResourceFreeRawData(node); |
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63 } |
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64 |
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65 |
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66 void dmResourceFree(DMResource *node) |
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67 { |
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68 if (node != NULL) |
| 0 | 69 { |
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70 dmResourceFreeResData(node); |
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71 dmResourceFreeRawData(node); |
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72 dmFree(node->filename); |
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73 dmFree(node); |
| 0 | 74 } |
| 75 } | |
| 76 | |
| 77 | |
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78 void dmResourceInsert(DMResourceLib *lib, DMResource * node) |
| 0 | 79 { |
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80 if (lib == NULL || node == NULL) |
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81 return; |
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82 |
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83 node->lib = lib; |
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84 |
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85 if (lib->resources != NULL) |
| 0 | 86 { |
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87 node->prev = lib->resources->prev; |
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88 lib->resources->prev->next = node; |
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89 lib->resources->prev = node; |
| 0 | 90 } |
| 91 else | |
| 92 { | |
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93 lib->resources = node->prev = node; |
| 0 | 94 } |
| 95 | |
| 96 node->next = NULL; | |
| 97 } | |
| 98 | |
| 99 | |
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100 void dmResourceDelete(DMResourceLib *lib, DMResource * node) |
| 0 | 101 { |
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102 if (lib == NULL) |
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103 return; |
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104 |
| 0 | 105 if (node->prev) |
| 106 node->prev->next = node->next; | |
| 107 | |
| 108 if (node->next) | |
| 109 node->next->prev = node->prev; | |
| 110 else | |
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111 lib->resources->prev = node->prev; |
| 0 | 112 |
| 113 node->prev = node->next = NULL; | |
| 114 } | |
| 115 | |
| 116 | |
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117 DMResource * dmResourceFind(DMResourceLib *lib, const char *filename) |
| 0 | 118 { |
| 119 DMResource *node, *found = NULL; | |
| 120 | |
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121 if (lib == NULL) |
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122 return NULL; |
| 0 | 123 |
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124 dmMutexLock(lib->mutex); |
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125 |
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126 for (node = lib->resources; node != NULL; node = node->next) |
| 0 | 127 { |
| 128 if (strcmp(node->filename, filename) == 0) | |
| 129 { | |
| 130 found = node; | |
| 131 break; | |
| 132 } | |
| 133 } | |
| 134 | |
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135 dmMutexUnlock(lib->mutex); |
| 0 | 136 |
| 137 return found; | |
| 138 } | |
| 139 | |
| 140 | |
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141 #ifdef DM_USE_STDIO |
| 0 | 142 /* Basic stdio file routines |
| 143 */ | |
| 144 static int dm_stdio_fopen(DMResource *handle) | |
| 145 { | |
| 146 char *rfilename = dm_strdup_printf("%s%s", DMRES_DATA_PATH, handle->filename); | |
| 147 if (rfilename == NULL) | |
| 148 return DMERR_MALLOC; | |
| 149 | |
| 150 handle->fh = fopen(rfilename, "rb"); | |
| 151 dmFree(rfilename); | |
| 152 | |
| 153 handle->error = dmGetErrno(); | |
| 154 return (handle->fh != NULL) ? DMERR_OK : DMERR_FOPEN; | |
| 155 } | |
| 156 | |
| 157 | |
| 158 static void dm_stdio_fclose(DMResource * f) | |
| 159 { | |
| 160 if (f->fh != NULL) | |
| 161 { | |
| 162 fclose(f->fh); | |
| 163 f->fh = NULL; | |
| 164 } | |
| 165 } | |
| 166 | |
| 167 | |
| 168 static int dm_stdio_ferror(DMResource * f) | |
| 169 { | |
| 170 return f->error; | |
| 171 } | |
| 172 | |
| 173 | |
| 174 static int dm_stdio_fseek(DMResource *f, const off_t pos, const int whence) | |
| 175 { | |
| 176 int ret = fseek(f->fh, pos, whence); | |
| 177 f->error = dmGetErrno(); | |
| 178 return ret; | |
| 179 } | |
| 180 | |
| 181 | |
| 182 static off_t dm_stdio_fsize(DMResource *f) | |
| 183 { | |
| 184 off_t savePos, fileSize; | |
| 185 | |
| 186 // Check if the size is cached | |
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187 if (f->rawSize != 0) |
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188 return f->rawSize; |
| 0 | 189 |
| 190 // Get file size | |
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191 savePos = ftello(f->fh); |
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192 if (fseeko(f->fh, 0L, SEEK_END) != 0) |
| 0 | 193 { |
| 194 f->error = dmGetErrno(); | |
| 195 return -1; | |
| 196 } | |
| 197 | |
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198 fileSize = ftello(f->fh); |
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199 if (fseeko(f->fh, savePos, SEEK_SET) != 0) |
| 0 | 200 { |
| 201 f->error = dmGetErrno(); | |
| 202 return -1; | |
| 203 } | |
| 204 | |
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205 f->rawSize = fileSize; |
| 0 | 206 return fileSize; |
| 207 } | |
| 208 | |
| 209 | |
| 210 static off_t dm_stdio_ftell(DMResource * f) | |
| 211 { | |
| 212 return ftell(f->fh); | |
| 213 } | |
| 214 | |
| 215 | |
| 216 static BOOL dm_stdio_feof(DMResource * f) | |
| 217 { | |
| 218 return feof(f->fh); | |
| 219 } | |
| 220 | |
| 221 | |
| 222 static int dm_stdio_fgetc(DMResource * f) | |
| 223 { | |
| 224 int ret = fgetc(f->fh); | |
| 225 f->error = dmGetErrno(); | |
| 226 return ret; | |
| 227 } | |
| 228 | |
| 229 | |
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230 static int dm_stdio_fputc(int v, DMResource * f) |
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231 { |
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232 int ret = fputc(v, f->fh); |
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233 f->error = dmGetErrno(); |
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234 return ret; |
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235 } |
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236 |
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237 |
| 0 | 238 static size_t dm_stdio_fread(void *ptr, size_t size, size_t nmemb, DMResource * f) |
| 239 { | |
| 240 size_t ret = fread(ptr, size, nmemb, f->fh); | |
| 241 f->error = dmGetErrno(); | |
| 242 return ret; | |
| 243 } | |
| 244 | |
| 245 | |
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246 static size_t dm_stdio_fwrite(void *ptr, size_t size, size_t nmemb, DMResource * f) |
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247 { |
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248 size_t ret = fwrite(ptr, size, nmemb, f->fh); |
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249 f->error = dmGetErrno(); |
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250 return ret; |
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251 } |
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252 |
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253 |
| 0 | 254 static int dm_stdio_preload(DMResource *handle) |
| 255 { | |
| 256 int ret = dm_stdio_fopen(handle); | |
| 257 if (ret != DMERR_OK) | |
| 258 return ret; | |
| 259 | |
| 260 dm_stdio_fsize(handle); | |
| 261 | |
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262 handle->rawData = dmMalloc(handle->rawSize); |
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263 if (handle->rawData == NULL) |
| 0 | 264 return DMERR_MALLOC; |
| 265 | |
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266 if (dm_stdio_fread(handle->rawData, sizeof(Uint8), handle->rawSize, handle) != handle->rawSize) |
| 0 | 267 return DMERR_FREAD; |
| 268 | |
| 269 return DMERR_OK; | |
| 270 } | |
| 271 | |
| 272 | |
| 273 DMResourceOps dfStdioFileOps = | |
| 274 { | |
| 275 dm_stdio_ferror, | |
| 276 dm_stdio_fseek, | |
| 277 dm_stdio_fsize, | |
| 278 dm_stdio_ftell, | |
| 279 dm_stdio_feof, | |
| 280 dm_stdio_fgetc, | |
|
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281 dm_stdio_fputc, |
| 0 | 282 dm_stdio_fread, |
|
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283 dm_stdio_fwrite, |
| 0 | 284 |
| 285 dm_stdio_fopen, | |
| 286 dm_stdio_fclose, | |
| 287 dm_stdio_preload | |
| 288 }; | |
| 289 | |
| 290 DMResourceOps dfStdioFHOps = | |
| 291 { | |
| 292 dm_stdio_ferror, | |
| 293 dm_stdio_fseek, | |
| 294 dm_stdio_fsize, | |
| 295 dm_stdio_ftell, | |
| 296 dm_stdio_feof, | |
| 297 dm_stdio_fgetc, | |
|
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298 dm_stdio_fputc, |
| 0 | 299 dm_stdio_fread, |
|
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300 dm_stdio_fwrite, |
| 0 | 301 |
| 302 NULL, | |
| 303 NULL, | |
| 304 NULL | |
| 305 }; | |
| 306 #endif | |
| 307 | |
| 308 | |
| 309 // Some mingw/windows headers define these as macros, which is bad for us | |
| 310 #ifdef __WIN32 | |
| 311 #undef ferror | |
| 312 #undef feof | |
| 313 #endif | |
| 314 | |
| 315 | |
| 316 /* | |
| 317 * PACK file routines | |
| 318 */ | |
|
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319 #ifdef DM_USE_PACKFS |
| 0 | 320 static int dm_pack_preload(DMResource *handle) |
| 321 { | |
| 322 DMPackEntry *node; | |
| 323 int res = DMERR_OK, cres, cdataLeft; | |
| 324 z_stream cstream; | |
| 325 Uint8 * cbuffer = NULL; | |
| 326 | |
|
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327 if (handle->lib == NULL || handle->lib->packFile == NULL) |
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328 return DMERR_NULLPTR; |
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329 |
| 0 | 330 // Search PACK nodelist for file |
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331 if ((node = dmPackFind(handle->lib->packFile->entries, handle->filename)) == NULL) |
| 0 | 332 { |
| 333 dmError("Entry '%s' not found in PACK file.\n", handle->filename); | |
| 334 res = DMERR_NOT_FOUND; | |
| 335 goto error; | |
| 336 } | |
| 337 | |
| 338 // Seek to entry | |
|
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339 if (fseek(handle->lib->packFile->file, node->offset, SEEK_SET) == -1) |
| 0 | 340 { |
| 341 dmError("Could not seek node position in PACK file.\n"); | |
| 342 res = DMERR_FSEEK; | |
| 343 goto error; | |
| 344 } | |
| 345 | |
| 346 // Allocate a structures and buffers | |
| 347 cbuffer = (Uint8 *) dmMalloc(DPACK_TMPSIZE); | |
| 348 if (cbuffer == NULL) | |
| 349 { | |
| 350 res = DMERR_MALLOC; | |
| 351 goto error; | |
| 352 } | |
| 353 | |
| 354 // Initialize fields | |
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355 handle->rawOffset = 0; |
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356 handle->rawSize = node->size; |
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357 handle->rawData = (Uint8 *) dmMalloc(node->size); |
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358 if (handle->rawData == NULL) |
| 0 | 359 { |
| 360 res = DMERR_MALLOC; | |
| 361 goto error; | |
| 362 } | |
| 363 | |
| 364 // Initialize decompression | |
| 365 cstream.zalloc = (alloc_func) Z_NULL; | |
| 366 cstream.zfree = (free_func) Z_NULL; | |
| 367 cstream.opaque = (voidpf) Z_NULL; | |
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368 cstream.next_out = handle->rawData; |
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369 cstream.avail_out = handle->rawSize; |
| 0 | 370 cdataLeft = node->length; |
| 371 cres = inflateInit(&(cstream)); | |
| 372 if (cres != Z_OK) | |
| 373 { | |
| 374 dmError("Could not initialize zlib stream inflation.\n"); | |
| 375 res = DMERR_INIT_FAIL; | |
| 376 goto error; | |
| 377 } | |
| 378 | |
| 379 // Uncompress the data | |
| 380 while (cdataLeft > 0 && | |
| 381 cstream.avail_out > 0 && cres == Z_OK) | |
| 382 { | |
| 383 cstream.avail_in = fread( | |
| 384 cbuffer, sizeof(Uint8), | |
| 385 (cdataLeft >= DPACK_TMPSIZE) ? DPACK_TMPSIZE : cdataLeft, | |
|
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386 handle->lib->packFile->file); |
| 0 | 387 |
| 388 cdataLeft -= cstream.avail_in; | |
| 389 cstream.next_in = cbuffer; | |
| 390 cres = inflate(&cstream, Z_FULL_FLUSH); | |
| 391 } | |
| 392 | |
| 393 // Cleanup | |
| 394 inflateEnd(&(cstream)); | |
| 395 | |
| 396 error: | |
| 397 dmFree(cbuffer); | |
| 398 return res; | |
| 399 } | |
| 400 | |
| 401 | |
|
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402 static void dm_pack_fclose(DMResource * f) |
| 0 | 403 { |
|
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404 f->rawSize = 0; |
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405 f->rawOffset = 0; |
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406 dmFree(f->rawData); |
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407 f->rawData = NULL; |
| 0 | 408 } |
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409 #endif |
| 0 | 410 |
| 411 | |
| 412 static int dm_mem_ferror(DMResource * f) | |
| 413 { | |
| 414 return f->error; | |
| 415 } | |
| 416 | |
| 417 | |
| 418 static int dm_mem_fseek(DMResource * f, const off_t offset, const int whence) | |
| 419 { | |
| 420 off_t newPos; | |
| 421 | |
| 422 // Calculate the new position | |
| 423 switch (whence) | |
| 424 { | |
| 425 case SEEK_SET: | |
| 426 newPos = offset; | |
| 427 break; | |
| 428 | |
| 429 case SEEK_CUR: | |
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430 newPos = f->rawOffset + offset; |
| 0 | 431 break; |
| 432 | |
| 433 case SEEK_END: | |
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434 newPos = f->rawSize + offset; |
| 0 | 435 break; |
| 436 | |
| 437 default: | |
| 438 return -1; | |
| 439 } | |
| 440 | |
| 441 // Set the new position | |
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442 f->rawOffset = newPos; |
| 0 | 443 |
| 444 // Check the new position | |
|
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445 if (newPos < 0 && (size_t) newPos >= f->rawSize) |
| 0 | 446 return -1; |
| 447 | |
| 448 return 0; | |
| 449 } | |
| 450 | |
| 451 | |
| 452 static off_t dm_mem_fsize(DMResource * f) | |
| 453 { | |
|
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454 return f->rawSize; |
| 0 | 455 } |
| 456 | |
| 457 | |
| 458 static off_t dm_mem_ftell(DMResource * f) | |
| 459 { | |
|
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460 return f->rawOffset; |
| 0 | 461 } |
| 462 | |
| 463 | |
| 464 static BOOL dm_mem_feof(DMResource * f) | |
| 465 { | |
| 466 // Check for EOF | |
|
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467 if ((size_t) f->rawOffset <= f->rawSize) |
| 0 | 468 return FALSE; |
| 469 else | |
| 470 return TRUE; | |
| 471 } | |
| 472 | |
| 473 | |
| 474 static int dm_mem_fgetc(DMResource * f) | |
| 475 { | |
| 476 // Check for EOF | |
|
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|
477 if ((size_t) f->rawOffset < f->rawSize) |
|
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|
478 return f->rawData[f->rawOffset++]; |
| 0 | 479 else |
| 480 return EOF; | |
| 481 } | |
| 482 | |
| 483 | |
| 484 static size_t dm_mem_fread(void *buf, size_t size, size_t nmemb, DMResource * f) | |
| 485 { | |
| 486 size_t length = (size * nmemb); | |
| 487 | |
| 488 // Check if we can read the whole chunk | |
|
721
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|
489 if (((size_t) f->rawOffset + length) >= f->rawSize) |
| 0 | 490 { |
|
721
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diff
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|
491 nmemb = (f->rawSize - f->rawOffset) / size; |
| 0 | 492 length = size * nmemb; |
| 493 } | |
| 494 | |
|
721
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diff
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|
495 memcpy(buf, f->rawData + f->rawOffset, length); |
|
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|
496 f->rawOffset += length; |
| 0 | 497 return nmemb; |
| 498 } | |
| 499 | |
| 500 | |
|
439
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
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|
501 static int dm_mem_fputc(int ch, DMResource * f) |
|
bc1da1f4cb4b
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|
502 { |
|
bc1da1f4cb4b
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|
503 // Check for EOF |
|
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504 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>
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437
diff
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|
505 { |
|
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|
506 f->rawData[f->rawOffset++] = ch; |
|
439
bc1da1f4cb4b
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|
507 return ch; |
|
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Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
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|
508 } |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
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|
509 else |
|
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Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
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|
510 return EOF; |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
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|
511 } |
|
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|
512 |
|
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changeset
|
513 |
|
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|
514 static size_t dm_mem_fwrite(void *buf, size_t size, size_t nmemb, DMResource * f) |
|
bc1da1f4cb4b
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|
515 { |
|
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|
516 size_t length = (size * nmemb); |
|
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Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
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|
517 |
|
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|
518 // Check if we can write the whole chunk |
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519 if (((size_t) f->rawOffset + length) >= f->rawSize) |
|
439
bc1da1f4cb4b
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diff
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|
520 { |
|
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521 nmemb = (f->rawSize - f->rawOffset) / size; |
|
439
bc1da1f4cb4b
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522 length = size * nmemb; |
|
bc1da1f4cb4b
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|
523 } |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
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diff
changeset
|
524 |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
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437
diff
changeset
|
525 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.
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437
diff
changeset
|
526 { |
|
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|
527 memcpy(f->rawData + f->rawOffset, buf, length); |
|
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|
528 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.
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|
529 } |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
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437
diff
changeset
|
530 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
|
531 } |
|
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
|
532 |
|
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
|
533 |
|
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
|
534 |
|
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
535 #ifdef DM_USE_PACKFS |
| 0 | 536 DMResourceOps dfPackFileOps = |
| 537 { | |
| 538 dm_mem_ferror, | |
| 539 dm_mem_fseek, | |
| 540 dm_mem_fsize, | |
| 541 dm_mem_ftell, | |
| 542 dm_mem_feof, | |
| 543 dm_mem_fgetc, | |
|
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
544 NULL, |
| 0 | 545 dm_mem_fread, |
|
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
546 NULL, |
| 0 | 547 |
| 548 NULL, | |
|
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
549 dm_pack_fclose, |
| 0 | 550 dm_pack_preload |
| 551 }; | |
|
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
552 #endif |
| 0 | 553 |
| 554 | |
| 555 DMResourceOps dfMemIOFileOps = | |
| 556 { | |
| 557 dm_mem_ferror, | |
| 558 dm_mem_fseek, | |
| 559 dm_mem_fsize, | |
| 560 dm_mem_ftell, | |
| 561 dm_mem_feof, | |
| 562 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
|
563 dm_mem_fputc, |
| 0 | 564 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
|
565 dm_mem_fwrite, |
| 0 | 566 |
| 567 NULL, | |
| 568 NULL, | |
| 569 NULL | |
| 570 }; | |
| 571 | |
| 572 | |
| 573 /* FS file handling functions. These functions call the actual | |
| 574 * functions depending on where the file is located. | |
| 575 */ | |
|
603
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
576 static void dmf_reset(DMResource *handle) |
|
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
577 { |
|
609
877dba1b8a1f
Fix some resource code checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
604
diff
changeset
|
578 if (handle != NULL && handle->fops != NULL) |
|
603
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
579 dmfseek(handle, 0, SEEK_SET); |
|
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
580 } |
|
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
581 |
|
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
582 |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
583 static void dmf_init_fops(DMResource *handle) |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
584 { |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
585 // Check fops |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
586 if (handle->fops == NULL) |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
587 { |
|
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
588 #ifdef DM_USE_PACKFS |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
589 if (handle->lib->flags & DRF_USE_PACK) |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
590 handle->fops = &dfPackFileOps; |
|
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
591 |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
592 # ifdef DM_USE_STDIO |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
593 else |
|
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
594 if (handle->lib->flags & DRF_USE_STDIO) |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
595 handle->fops = &dfStdioFileOps; |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
596 # else |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
597 handle->fops = &dfPackFileOps; |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
598 # endif |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
599 #endif |
|
609
877dba1b8a1f
Fix some resource code checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
604
diff
changeset
|
600 |
|
877dba1b8a1f
Fix some resource code checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
604
diff
changeset
|
601 dmf_reset(handle); |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
602 } |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
603 } |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
604 |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
605 |
|
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
|
606 int dmf_preload(DMResource *handle) |
|
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
|
607 { |
|
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
|
608 int ret = DMERR_INIT_FAIL; |
|
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
|
609 |
|
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
|
610 // Check if we want to preload raw data? |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
611 if (handle->lib->flags & DRF_PRELOAD_RAW) |
|
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
|
612 { |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
613 if (handle->flags & DMF_LOADED_RAW) |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
614 ret = DMERR_OK; |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
615 else |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
616 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
|
617 { |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
618 ret = handle->fops->preload(handle); |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
619 if (ret == DMERR_OK) |
| 604 | 620 { |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
621 handle->flags |= DMF_LOADED_RAW; |
| 604 | 622 } |
| 627 | 623 dmf_reset(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
|
624 } |
|
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
|
625 } |
|
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
|
626 else |
|
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
|
627 { |
|
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
|
628 if (handle->fops->fopen != NULL) |
|
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
|
629 ret = handle->fops->fopen(handle); |
|
603
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
630 else |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
631 return DMERR_FOPEN; |
|
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
|
632 } |
|
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
|
633 |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
634 |
|
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
|
635 // 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
|
636 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
|
637 { |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
638 if (handle->flags & DMF_LOADED_RES) |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
639 ret = DMERR_OK; |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
640 else |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
641 if (handle->rops != NULL && |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
642 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
|
643 { |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
644 ret = handle->rops->load(handle); |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
645 if (ret == DMERR_OK) |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
646 { |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
647 // Okay, mark as loaded |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
648 handle->flags |= DMF_LOADED_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
|
649 |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
650 // Check if we can purge the raw data now |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
651 if ((handle->flags & DMF_PERSIST) == 0) |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
652 dmResourcePurge_raw_data(handle); |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
653 } |
| 627 | 654 |
| 655 dmf_reset(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
|
656 } |
|
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
|
657 } |
|
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
|
658 |
|
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
|
659 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
|
660 } |
|
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
|
661 |
|
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
|
662 |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
663 DMResource *dmf_open(DMResourceLib *lib, const char *filename) |
| 0 | 664 { |
| 665 int ret; | |
| 666 DMResource *handle; | |
| 667 | |
| 668 // Check master directory for resource | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
669 if ((handle = dmResourceFind(lib, filename)) == NULL) |
| 0 | 670 { |
|
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
671 #ifdef DM_USE_STDIO |
|
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
672 if (lib->flags & DRF_USE_STDIO) |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
673 { |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
674 // Hmm.. does not exist? Fall back to a stdio file |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
675 handle = dmResourceNew(lib, filename, 0); |
|
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
676 if (handle == NULL) |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
677 return NULL; |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
678 |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
679 handle->fops = &dfStdioFileOps; |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
680 } |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
681 else |
| 0 | 682 return NULL; |
| 683 #else | |
| 684 // Stdio not enabled, fail | |
| 685 return NULL; | |
| 686 #endif | |
| 687 } | |
| 688 | |
|
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 // Initialize file ops |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
690 dmf_init_fops(handle); |
| 0 | 691 |
| 692 // Check if the data is preloaded | |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
693 if (handle->flags & DMF_LOADED_RAW) |
| 0 | 694 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
695 dmResourceRef(handle); |
| 0 | 696 return handle; |
| 697 } | |
| 698 | |
|
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
|
699 // Try preloading |
|
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 ret = dmf_preload(handle); |
| 0 | 701 |
| 702 if (ret == DMERR_OK) | |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
703 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
704 dmResourceRef(handle); |
| 0 | 705 return handle; |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
706 } |
| 0 | 707 |
| 708 return NULL; | |
| 709 } | |
| 710 | |
| 711 | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
712 DMResource * dmf_create_memio(DMResourceLib *lib, const char *filename, Uint8 *buf, const size_t size) |
| 0 | 713 { |
| 714 DMResource *handle; | |
| 715 | |
| 716 // Check master directory for resource | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
717 if ((handle = dmResourceFind(lib, filename)) == NULL) |
| 0 | 718 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
719 handle = dmResourceNew(lib, filename, size); |
| 0 | 720 if (handle == NULL) |
| 721 return NULL; | |
| 722 | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
723 handle->flags = DMF_LOADED_RAW; |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
724 handle->fops = &dfMemIOFileOps; |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
725 handle->rawData = buf; |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
726 dmResourceInsert(lib, handle); |
| 0 | 727 } |
| 728 | |
| 729 // Increase refcount | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
730 dmResourceRef(handle); |
| 0 | 731 |
|
603
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
732 dmf_reset(handle); |
| 0 | 733 return handle; |
| 734 } | |
| 735 | |
| 736 | |
|
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
737 #ifdef DM_USE_STDIO |
|
74
23ac82365a65
Add file mode to dmf_create_stdio().
Matti Hamalainen <ccr@tnsp.org>
parents:
72
diff
changeset
|
738 DMResource * dmf_create_stdio(const char *filename, const char *mode) |
| 0 | 739 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
740 DMResource *handle = dmResourceNew(NULL, filename, 0); |
| 0 | 741 if (handle == NULL) |
| 742 return NULL; | |
| 743 | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
744 handle->fops = &dfStdioFileOps; |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
745 handle->fh = fopen(filename, mode); |
| 0 | 746 handle->error = dmGetErrno(); |
| 747 | |
| 748 if (handle->fh != NULL) | |
| 749 { | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
750 dmResourceRef(handle); |
| 0 | 751 return handle; |
| 752 } | |
| 753 else | |
| 754 { | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
755 dmResourceFree(handle); |
| 0 | 756 return NULL; |
| 757 } | |
| 758 } | |
| 759 | |
| 760 | |
| 761 DMResource * dmf_create_stdio_stream(FILE *fh) | |
| 762 { | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
763 DMResource *handle = dmResourceNew(NULL, "", 0); |
| 0 | 764 if (handle == NULL) |
| 765 return NULL; | |
| 766 | |
| 767 handle->fops = &dfStdioFHOps; | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
768 handle->fh = fh; |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
769 dmResourceRef(handle); |
| 0 | 770 return handle; |
| 771 } | |
| 772 #endif | |
| 773 | |
| 774 | |
| 775 void dmf_close(DMResource * f) | |
| 776 { | |
| 777 if (f == NULL) | |
| 778 return; | |
| 779 | |
| 780 if (f->fops->fclose != NULL) | |
| 781 f->fops->fclose(f); | |
| 782 | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
783 dmResourceUnref(f); |
| 0 | 784 } |
| 785 | |
| 786 | |
| 787 int dmferror(DMResource * f) | |
| 788 { | |
| 789 f->atime = time(NULL); | |
| 790 return f->fops->ferror(f); | |
| 791 } | |
| 792 | |
| 793 int dmfseek(DMResource * f, off_t offset, int whence) | |
| 794 { | |
| 795 f->atime = time(NULL); | |
| 796 return f->fops->fseek(f, offset, whence); | |
| 797 } | |
| 798 | |
| 799 off_t dmfsize(DMResource * f) | |
| 800 { | |
| 801 f->atime = time(NULL); | |
| 802 return f->fops->fsize(f); | |
| 803 } | |
| 804 | |
| 805 off_t dmftell(DMResource * f) | |
| 806 { | |
| 807 f->atime = time(NULL); | |
| 808 return f->fops->ftell(f); | |
| 809 } | |
| 810 | |
| 811 BOOL dmfeof(DMResource * f) | |
| 812 { | |
| 813 f->atime = time(NULL); | |
| 814 return f->fops->feof(f); | |
| 815 } | |
| 816 | |
| 817 int dmfgetc(DMResource * f) | |
| 818 { | |
| 819 f->atime = time(NULL); | |
| 820 return f->fops->fgetc(f); | |
| 821 } | |
| 822 | |
|
74
23ac82365a65
Add file mode to dmf_create_stdio().
Matti Hamalainen <ccr@tnsp.org>
parents:
72
diff
changeset
|
823 int dmfputc(int v, DMResource * f) |
|
72
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
824 { |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
825 f->atime = time(NULL); |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
826 return f->fops->fputc(v, f); |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
827 } |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
828 |
| 0 | 829 size_t dmfread(void *ptr, size_t size, size_t nmemb, DMResource * f) |
| 830 { | |
| 831 f->atime = time(NULL); | |
| 832 return f->fops->fread(ptr, size, nmemb, f); | |
| 833 } | |
| 834 | |
|
72
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
835 size_t dmfwrite(void *ptr, size_t size, size_t nmemb, DMResource * f) |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
836 { |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
837 f->atime = time(NULL); |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
838 return f->fops->fwrite(ptr, size, nmemb, f); |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
839 } |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
840 |
| 235 | 841 char *dmfgets(char *s, int size, DMResource * f) |
| 842 { | |
| 843 char *p = s, c; | |
| 844 int n = 0; | |
| 845 | |
| 846 while ((c = f->fops->fgetc(f)) != EOF) | |
| 847 { | |
|
237
6d9d43bb68eb
Oops, another silly issue in dmfgets().
Matti Hamalainen <ccr@tnsp.org>
parents:
236
diff
changeset
|
848 n++; |
| 235 | 849 if (c == '\n') |
| 850 break; | |
| 851 else | |
| 852 if (n < size - 1) | |
| 853 *p++ = c; | |
| 854 } | |
| 855 *p = 0; | |
| 856 | |
|
236
8189be40ed7c
Oops, dmfgets() had a nasty think-o and counted the remaining buffer space
Matti Hamalainen <ccr@tnsp.org>
parents:
235
diff
changeset
|
857 return (n > 0) ? s : NULL; |
| 235 | 858 } |
| 859 | |
| 860 | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
861 int dmResourceRef(DMResource *node) |
| 0 | 862 { |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
863 if (node->lib != NULL) dmMutexLock(node->lib->mutex); |
|
27
21c14afbf63d
Modularize the resource system a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
864 node->atime = time(NULL); |
|
21c14afbf63d
Modularize the resource system a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
865 node->refcount++; |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
866 if (node->lib != NULL) dmMutexUnlock(node->lib->mutex); |
| 0 | 867 |
|
27
21c14afbf63d
Modularize the resource system a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
868 return node->refcount; |
| 0 | 869 } |
| 870 | |
| 871 | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
872 int dmResourceUnref(DMResource *node) |
| 0 | 873 { |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
874 if (node->lib != NULL) dmMutexLock(node->lib->mutex); |
|
27
21c14afbf63d
Modularize the resource system a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
875 node->refcount--; |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
876 if (node->lib != NULL) dmMutexUnlock(node->lib->mutex); |
| 0 | 877 |
|
27
21c14afbf63d
Modularize the resource system a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
878 return node->refcount; |
| 0 | 879 } |
| 880 | |
| 881 | |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
882 #ifdef DM_USE_STDIO |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
883 static int dmResourceLoad_directory(DMResourceLib *lib, const char *path) |
| 0 | 884 { |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
885 int res = DMERR_OK; |
| 630 | 886 struct dirent *dh; |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
887 DIR *hdir = opendir(path); |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
888 if (hdir == NULL) |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
889 return dmGetErrno(); |
| 0 | 890 |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
891 dmMutexLock(lib->mutex); |
| 0 | 892 |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
893 do |
| 0 | 894 { |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
895 DMResource *node = NULL; |
| 630 | 896 dh = readdir(hdir); |
| 897 if (dh != NULL) | |
| 0 | 898 { |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
899 struct stat sbuf; |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
900 char *fname = dm_strdup_printf("%s/%s", path, dh->d_name); |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
901 if (stat(fname, &sbuf) == -1) |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
902 { |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
903 res = dmGetErrno(); |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
904 dmError("Could not stat() %s, #%d: %s\n", |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
905 fname, res, dmErrorStr(res)); |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
906 dmFree(fname); |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
907 goto out; |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
908 } |
| 0 | 909 |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
910 if (S_ISREG(sbuf.st_mode)) |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
911 node = dmResourceNew(lib, dh->d_name, sbuf.st_size); |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
912 } |
| 630 | 913 |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
914 if (node != NULL) |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
915 { |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
916 node->fops = &dfStdioFileOps; |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
917 dmResourceInsert(lib, node); |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
918 } |
| 630 | 919 } while (dh != NULL); |
| 0 | 920 |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
921 out: |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
922 dmMutexUnlock(lib->mutex); |
| 0 | 923 |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
924 #ifdef __WIN32 |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
925 #else |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
926 closedir(hdir); |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
927 #endif |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
928 |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
929 return res; |
| 0 | 930 } |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
931 #endif |
| 0 | 932 |
| 933 | |
| 934 /* Resources subsystem initialization and shutdown routines | |
| 935 */ | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
936 int dmResourcesInit(DMResourceLib **plib, const char *filename, const char *path, const int flags, int (*classifier)(DMResource *)) |
| 0 | 937 { |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
938 DMResourceLib *lib; |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
939 BOOL initialized = FALSE; |
|
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diff
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|
940 |
|
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|
941 // Allocate the resource library structure |
|
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|
942 if ((*plib = lib = dmMalloc0(sizeof(DMResourceLib))) == NULL) |
|
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|
943 return DMERR_MALLOC; |
| 0 | 944 |
|
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|
945 // Basic data |
|
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|
946 lib->mutex = dmCreateMutex(); |
|
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|
947 lib->flags = flags; |
|
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|
948 lib->resPath = dm_strdup((path != NULL) ? path : DMRES_DATA_PATH); |
| 0 | 949 |
| 107 | 950 |
|
625
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|
951 #ifdef DM_USE_PACKFS |
|
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|
952 if (!initialized && (flags & DRF_USE_PACK)) |
| 0 | 953 { |
| 954 int ret; | |
| 955 DMPackEntry *node; | |
| 956 | |
|
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|
957 lib->packFilename = dm_strdup((filename != NULL) ? filename : DMRES_DATA_PACK); |
| 0 | 958 |
| 959 // Initialize PACK, open as read-only | |
|
721
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|
960 ret = dmPackOpen(lib->packFilename, &lib->packFile, TRUE); |
| 0 | 961 if (ret != DMERR_OK) |
| 962 { | |
|
625
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|
963 if ((flags & DRF_USE_STDIO) == 0) |
|
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|
964 { |
|
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|
965 dmError("Error opening PACK file '%s', #%i: %s\n", |
|
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966 lib->packFilename, ret, dmErrorStr(ret)); |
| 0 | 967 |
| 968 return DMERR_INIT_FAIL; | |
| 969 } | |
| 970 } | |
|
625
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|
971 else |
|
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|
972 { |
|
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|
973 // Initialize resources from a PACK file |
|
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974 for (node = lib->packFile->entries; node != NULL; node = node->next) |
|
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|
975 { |
|
721
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|
976 DMResource *res = dmResourceNew(lib, node->filename, node->size); |
|
625
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|
977 if (res == NULL) |
|
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diff
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|
978 { |
|
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diff
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|
979 dmError("Could not allocate memory for resource node '%s' [0x%08x], %d.\n", |
|
721
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|
980 node->filename, node->flags, node->size); |
|
625
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|
981 return DMERR_INIT_FAIL; |
|
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|
982 } |
|
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|
983 |
|
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|
984 dmResourceInsert(lib, res); |
|
625
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|
985 } |
|
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|
986 |
|
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|
987 initialized = TRUE; |
|
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|
988 } |
|
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|
989 } |
| 0 | 990 #endif |
|
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|
991 |
|
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|
992 #ifdef DM_USE_STDIO |
|
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|
993 if (!initialized && (flags & DRF_USE_STDIO)) |
| 0 | 994 { |
| 995 // Initialize resources from a resource directory | |
|
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|
996 int ret = dmResourceLoad_directory(lib, lib->resPath); |
| 0 | 997 if (ret != DMERR_OK) |
|
625
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|
998 return ret; |
|
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|
999 initialized = TRUE; |
| 0 | 1000 } |
|
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|
1001 #endif |
|
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|
1002 |
|
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|
1003 if (!initialized) |
|
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|
1004 return DMERR_INIT_FAIL; |
| 0 | 1005 |
|
26
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1006 // Okay, classify resources |
|
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|
1007 if (lib->resources != NULL && classifier != NULL) |
|
26
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diff
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|
1008 { |
|
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|
1009 DMResource *node; |
|
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1010 for (node = lib->resources; node != NULL; node = node->next) |
|
26
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diff
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|
1011 { |
|
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|
1012 int ret = classifier(node); |
|
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|
1013 if (ret != DMERR_OK) |
| 107 | 1014 return ret; |
|
26
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|
1015 } |
|
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|
1016 } |
| 0 | 1017 |
| 1018 // Initialization complete | |
| 1019 return DMERR_OK; | |
| 1020 } | |
| 1021 | |
| 1022 | |
|
721
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diff
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|
1023 int dmResourcesClose(DMResourceLib *lib) |
| 0 | 1024 { |
| 1025 DMResource *node; | |
|
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|
1026 |
|
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1027 if (lib == NULL) |
|
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1028 return DMERR_NULLPTR; |
|
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|
1029 |
|
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|
1030 dmMutexLock(lib->mutex); |
| 0 | 1031 |
| 1032 // Shutdown possible subsystems | |
|
124
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Matti Hamalainen <ccr@tnsp.org>
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114
diff
changeset
|
1033 #ifdef DM_USE_PACKFS |
|
359
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|
1034 if (lib->flags & DRF_USE_PACK) |
| 0 | 1035 { |
|
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diff
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|
1036 int res = dmPackClose(lib->packFile); |
| 0 | 1037 if (res != DMERR_OK) |
| 1038 { | |
| 1039 dmError("Error closing PACK, #%i: %s\n", | |
|
721
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|
1040 res, dmErrorStr(res)); |
| 0 | 1041 } |
| 1042 | |
|
359
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|
1043 dmFree(lib->packFilename); |
| 0 | 1044 } |
| 1045 #endif | |
| 1046 | |
| 1047 // Free resource entries | |
|
359
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|
1048 node = lib->resources; |
| 0 | 1049 while (node != NULL) |
| 1050 { | |
| 1051 DMResource *next = node->next; | |
|
721
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diff
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|
1052 dmResourceFree(node); |
| 0 | 1053 node = next; |
| 1054 } | |
| 1055 | |
| 1056 // Etc. | |
|
359
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|
1057 dmFree(lib->resPath); |
|
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|
1058 dmMutexUnlock(lib->mutex); |
|
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|
1059 dmDestroyMutex(lib->mutex); |
|
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|
1060 return DMERR_OK; |
| 0 | 1061 } |
| 1062 | |
| 1063 | |
|
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Matti Hamalainen <ccr@tnsp.org>
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diff
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|
1064 int dmResourcesPreload(DMResourceLib *lib, BOOL start, int *loaded, int *total) |
| 0 | 1065 { |
|
26
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|
1066 int ret = DMERR_OK; |
| 0 | 1067 |
|
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|
1068 dmMutexLock(lib->mutex); |
| 0 | 1069 |
|
26
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|
1070 // Initialize preloading |
|
359
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|
1071 if (lib->preload == NULL || start) |
| 0 | 1072 { |
| 1073 DMResource *node; | |
|
26
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|
1074 |
|
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|
1075 lib->preload = lib->resources; |
| 0 | 1076 *loaded = 0; |
| 1077 *total = 0; | |
|
26
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|
1078 |
|
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|
1079 // Calculate total number of resources to be preloaded |
|
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|
1080 if (lib->flags & (DRF_PRELOAD_RAW | DRF_PRELOAD_RES)) |
| 0 | 1081 { |
|
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|
1082 for (node = lib->resources; node != NULL; node = node->next) |
| 0 | 1083 (*total)++; |
| 1084 } | |
| 1085 } | |
|
26
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|
1086 else |
|
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|
1087 if (lib->preload != NULL) |
| 0 | 1088 { |
|
29
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27
diff
changeset
|
1089 // Initialize fops and preload |
|
359
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|
1090 dmf_init_fops(lib->preload); |
|
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|
1091 if ((ret = dmf_preload(lib->preload)) != DMERR_OK) |
|
628
0533f94e843b
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parents:
627
diff
changeset
|
1092 { |
|
0533f94e843b
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Matti Hamalainen <ccr@tnsp.org>
parents:
627
diff
changeset
|
1093 dmError("Error preloading '%s', %d: %s\n", |
|
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627
diff
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|
1094 lib->preload->filename, ret, dmErrorStr(ret)); |
|
29
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parents:
27
diff
changeset
|
1095 goto error; |
|
628
0533f94e843b
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parents:
627
diff
changeset
|
1096 } |
|
26
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diff
changeset
|
1097 |
|
29
e9f562f07cb0
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27
diff
changeset
|
1098 (*loaded)++; |
|
359
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|
1099 lib->preload = lib->preload->next; |
| 0 | 1100 } |
| 1101 | |
|
359
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|
1102 dmMutexUnlock(lib->mutex); |
|
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|
1103 return (lib->preload == NULL) ? DMERR_OK : DMERR_PROGRESS; |
|
26
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4
diff
changeset
|
1104 |
|
2f463a59d732
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diff
changeset
|
1105 error: |
|
359
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changeset
|
1106 dmMutexUnlock(lib->mutex); |
|
26
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4
diff
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|
1107 return ret; |
| 0 | 1108 } |
| 1109 | |
| 1110 | |
|
721
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diff
changeset
|
1111 void dmResourcePrune(DMResourceLib *lib, const int agems, int const flags) |
| 0 | 1112 { |
|
26
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diff
changeset
|
1113 DMResource *node; |
|
721
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630
diff
changeset
|
1114 const int stamp = time(NULL); |
|
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|
1115 dmMutexLock(lib->mutex); |
| 0 | 1116 |
|
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|
1117 for (node = lib->resources; node != NULL; node = node->next) |
| 0 | 1118 { |
| 1119 // Check if node has refcount of 0 and is | |
| 1120 // not marked as persistent resource | |
|
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1121 if (node->refcount == 0 && |
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1122 (node->flags & DMF_PERSIST) == 0 && |
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1123 (node->flags & (DMF_LOADED_RES | DMF_LOADED_RAW))) |
| 0 | 1124 { |
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1125 if (((flags & DMPRUNE_ATIME) && stamp - node->atime >= agems) || |
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1126 ((flags & DMPRUNE_MTIME) && stamp - node->mtime >= agems)) |
| 0 | 1127 { |
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1128 dmResourceFreeResData(node); |
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1129 dmResourceFreeRawData(node); |
| 0 | 1130 } |
| 1131 } | |
| 1132 } | |
| 1133 | |
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1134 dmMutexUnlock(lib->mutex); |
| 0 | 1135 } |
| 1136 | |
| 1137 | |
| 1138 /* Helper resource access routines | |
| 1139 */ | |
|
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1140 int dmf_read_str(DMResource *f, void *s, size_t l) |
| 0 | 1141 { |
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1142 return dmfread(s, 1, l, f) == l; |
| 0 | 1143 } |
| 1144 | |
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1145 BOOL dmf_read_byte(DMResource *f, Uint8 *val) |
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1146 { |
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1147 int tmp = dmfgetc(f); |
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1148 *val = tmp; |
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1149 return tmp != EOF; |
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1150 } |
| 0 | 1151 |
| 1152 #define DM_DEFINE_FUNC(xname, xtype, xmacro) \ | |
| 1153 BOOL dmf_read_ ## xname (DMResource *f, xtype *v) { \ | |
| 1154 xtype result; \ | |
| 1155 if (dmfread(&result, sizeof( xtype ), 1, f) != 1) \ | |
| 1156 return FALSE; \ | |
| 1157 *v = DM_ ## xmacro ## _TO_NATIVE (result); \ | |
| 1158 return TRUE; \ | |
| 1159 } | |
| 1160 | |
| 1161 DM_DEFINE_FUNC(le16, Uint16, LE16) | |
| 1162 DM_DEFINE_FUNC(le32, Uint32, LE32) | |
| 1163 | |
| 1164 DM_DEFINE_FUNC(be16, Uint16, BE16) | |
| 1165 DM_DEFINE_FUNC(be32, Uint32, BE32) | |
| 1166 | |
| 1167 #ifdef DM_HAVE_64BIT | |
| 1168 DM_DEFINE_FUNC(le64, Uint64, LE64) | |
| 1169 DM_DEFINE_FUNC(be64, Uint64, BE64) | |
| 1170 #endif |