Mercurial > hg > dmlib
annotate src/dmres.c @ 993:5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Not working yet.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Sat, 28 Feb 2015 05:43:31 +0200 |
| parents | d66b0b6c8bf8 |
| children | aeafd6d44465 |
| 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); |
|
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257 f->error = dmGetErrno(); |
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258 return ret; |
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|
259 } |
|
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260 |
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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 | |
|
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|
270 handle->rawData = dmMalloc(handle->rawSize); |
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271 if (handle->rawData == NULL) |
| 0 | 272 return DMERR_MALLOC; |
| 273 | |
|
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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
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|
283 "Stdio", |
|
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|
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
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292 dm_stdio_fputc, |
| 0 | 293 dm_stdio_fread, |
|
59
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|
294 dm_stdio_fwrite, |
| 0 | 295 |
| 296 dm_stdio_fopen, | |
| 297 dm_stdio_fclose, | |
| 298 dm_stdio_preload | |
| 299 }; | |
| 300 | |
| 301 DMResourceOps dfStdioFHOps = | |
| 302 { | |
|
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|
303 "StdioFH", |
|
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|
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
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|
312 dm_stdio_fputc, |
| 0 | 313 dm_stdio_fread, |
|
59
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|
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
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333 #ifdef DM_USE_PACKFS |
|
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334 |
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|
335 #ifdef DM_USE_ZLIB |
|
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336 |
|
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|
337 static int dm_pack_decompress(DMResource *handle, DMPackEntry *node) |
| 0 | 338 { |
| 339 int res = DMERR_OK, cres, cdataLeft; | |
| 340 z_stream cstream; | |
|
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|
341 Uint8 * cbuffer = NULL; |
| 0 | 342 |
| 343 // Allocate a structures and buffers | |
| 344 cbuffer = (Uint8 *) dmMalloc(DPACK_TMPSIZE); | |
| 345 if (cbuffer == NULL) | |
| 346 { | |
| 347 res = DMERR_MALLOC; | |
| 348 goto error; | |
| 349 } | |
| 350 | |
| 351 // Initialize fields | |
|
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|
352 handle->rawOffset = 0; |
|
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|
353 handle->rawSize = node->size; |
|
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Rename many pack & resource handling functions.
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|
354 handle->rawData = (Uint8 *) dmMalloc(node->size); |
|
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|
355 if (handle->rawData == NULL) |
| 0 | 356 { |
| 357 res = DMERR_MALLOC; | |
| 358 goto error; | |
| 359 } | |
| 360 | |
| 361 // Initialize decompression | |
| 362 cstream.zalloc = (alloc_func) Z_NULL; | |
| 363 cstream.zfree = (free_func) Z_NULL; | |
| 364 cstream.opaque = (voidpf) Z_NULL; | |
|
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|
365 cstream.next_out = handle->rawData; |
|
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Rename many pack & resource handling functions.
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|
366 cstream.avail_out = handle->rawSize; |
| 0 | 367 cdataLeft = node->length; |
|
993
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|
368 cres = inflateInit(&cstream); |
| 0 | 369 if (cres != Z_OK) |
| 370 { | |
|
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
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|
371 res = dmError(DMERR_INIT_FAIL, |
|
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
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872
diff
changeset
|
372 "Could not initialize zlib stream inflation.\n"); |
| 0 | 373 goto error; |
| 374 } | |
| 375 | |
| 376 // Uncompress the data | |
| 377 while (cdataLeft > 0 && | |
| 378 cstream.avail_out > 0 && cres == Z_OK) | |
| 379 { | |
| 380 cstream.avail_in = fread( | |
| 381 cbuffer, sizeof(Uint8), | |
| 382 (cdataLeft >= DPACK_TMPSIZE) ? DPACK_TMPSIZE : cdataLeft, | |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
383 handle->lib->packFile->file); |
| 0 | 384 |
| 385 cdataLeft -= cstream.avail_in; | |
| 386 cstream.next_in = cbuffer; | |
| 387 cres = inflate(&cstream, Z_FULL_FLUSH); | |
| 388 } | |
| 389 | |
| 390 // Cleanup | |
|
993
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Matti Hamalainen <ccr@tnsp.org>
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989
diff
changeset
|
391 inflateEnd(&cstream); |
| 0 | 392 |
| 393 error: | |
| 394 dmFree(cbuffer); | |
| 395 return res; | |
| 396 } | |
| 397 | |
|
993
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|
398 #else |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
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989
diff
changeset
|
399 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
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989
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changeset
|
400 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
|
401 { |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
402 DMZLibContext ctx; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
403 Uint8 *inBuf = NULL; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
404 int ret; |
|
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 if ((inBuf = dmMalloc(node->length)) == NULL) |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
407 { |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
408 ret = DMERR_MALLOC; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
409 goto err; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
410 } |
|
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 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
|
413 { |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
414 ret = DMERR_FREAD; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
415 goto err; |
|
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 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
418 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
|
419 { |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
420 ret = dmError(DMERR_MALLOC, |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
421 "Failed to allocate initial decompression buffer.\n"); |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
422 goto err; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
423 } |
|
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 ctx.zbuffer = inBuf; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
426 ctx.zbufferEnd = inBuf + node->length; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
427 ctx.zoutEnd = ctx.zoutStart + node->size; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
428 ctx.expandable = TRUE; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
429 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
430 if ((ret = dmZLibParseHeader(&ctx, TRUE)) != DMERR_OK) |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
431 goto err; |
|
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 if ((ret = dmZLibDecode(&ctx)) != DMERR_OK) |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
434 goto err; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
435 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
436 handle->rawOffset = 0; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
437 handle->rawData = ctx.zoutStart; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
438 handle->rawSize = ctx.zout - ctx.zoutStart; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
439 if (handle->rawSize != node->size) |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
440 { |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
441 ret = dmError(DMERR_COMPRESSION, |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
442 "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
|
443 node->filename, handle->rawSize, node->size); |
|
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 err: |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
447 dmFree(inBuf); |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
448 return ret; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
449 } |
|
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 #endif |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
452 |
|
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 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
|
455 { |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
456 DMPackEntry *node; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
457 int res = DMERR_OK; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
458 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
459 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
|
460 return DMERR_NULLPTR; |
|
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 // Search PACK nodelist for file |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
463 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
|
464 { |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
465 res = dmError(DMERR_NOT_FOUND, |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
466 "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
|
467 handle->filename); |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
468 goto error; |
|
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 // Seek to entry |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
472 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
|
473 { |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
474 res = dmError(DMERR_FSEEK, |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
475 "Could not seek node position in PACK file.\n"); |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
476 goto error; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
477 } |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
478 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
479 res = dm_pack_decompress(handle, node); |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
480 |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
481 error: |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
482 return res; |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
483 } |
|
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
484 |
| 0 | 485 |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
486 static int dm_pack_fopen(DMResource * f) |
|
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 if ((f->flags & DMF_LOADED_RAW) == 0) |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
489 { |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
490 int res = dm_pack_preload(f); |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
491 if (res == DMERR_OK) |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
492 f->flags |= DMF_LOADED_RAW; |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
493 |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
494 return res; |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
495 } |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
496 else |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
497 return DMERR_OK; |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
498 } |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
499 |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
500 |
|
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
501 static void dm_pack_fclose(DMResource * f) |
| 0 | 502 { |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
503 if ((f->flags & DMF_PERSIST) == 0) |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
504 dmResourceFreeRawData(f); |
| 0 | 505 } |
|
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
506 #endif |
| 0 | 507 |
| 508 | |
| 732 | 509 static int dm_mem_freset(DMResource * f) |
| 510 { | |
| 511 f->rawOffset = 0; | |
| 512 return DMERR_OK; | |
| 513 } | |
| 514 | |
| 515 | |
| 0 | 516 static int dm_mem_ferror(DMResource * f) |
| 517 { | |
| 518 return f->error; | |
| 519 } | |
| 520 | |
| 521 | |
| 522 static int dm_mem_fseek(DMResource * f, const off_t offset, const int whence) | |
| 523 { | |
| 524 off_t newPos; | |
| 525 | |
| 526 // Calculate the new position | |
| 527 switch (whence) | |
| 528 { | |
| 529 case SEEK_SET: | |
| 530 newPos = offset; | |
| 531 break; | |
| 532 | |
| 533 case SEEK_CUR: | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
534 newPos = f->rawOffset + offset; |
| 0 | 535 break; |
| 536 | |
| 537 case SEEK_END: | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
538 newPos = f->rawSize + offset; |
| 0 | 539 break; |
| 540 | |
| 541 default: | |
| 542 return -1; | |
| 543 } | |
| 544 | |
| 545 // Set the new position | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
546 f->rawOffset = newPos; |
| 0 | 547 |
| 548 // Check the new position | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
549 if (newPos < 0 && (size_t) newPos >= f->rawSize) |
| 0 | 550 return -1; |
| 551 | |
| 552 return 0; | |
| 553 } | |
| 554 | |
| 555 | |
| 556 static off_t dm_mem_fsize(DMResource * f) | |
| 557 { | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
558 return f->rawSize; |
| 0 | 559 } |
| 560 | |
| 561 | |
| 562 static off_t dm_mem_ftell(DMResource * f) | |
| 563 { | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
564 return f->rawOffset; |
| 0 | 565 } |
| 566 | |
| 567 | |
| 568 static BOOL dm_mem_feof(DMResource * f) | |
| 569 { | |
| 570 // Check for EOF | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
571 if ((size_t) f->rawOffset <= f->rawSize) |
| 0 | 572 return FALSE; |
| 573 else | |
| 574 return TRUE; | |
| 575 } | |
| 576 | |
| 577 | |
| 578 static int dm_mem_fgetc(DMResource * f) | |
| 579 { | |
| 580 // Check for EOF | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
581 if ((size_t) f->rawOffset < f->rawSize) |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
582 return f->rawData[f->rawOffset++]; |
| 0 | 583 else |
| 584 return EOF; | |
| 585 } | |
| 586 | |
| 587 | |
| 588 static size_t dm_mem_fread(void *buf, size_t size, size_t nmemb, DMResource * f) | |
| 589 { | |
| 590 size_t length = (size * nmemb); | |
| 591 | |
| 592 // 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
|
593 if (((size_t) f->rawOffset + length) >= f->rawSize) |
| 0 | 594 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
595 nmemb = (f->rawSize - f->rawOffset) / size; |
| 0 | 596 length = size * nmemb; |
| 597 } | |
| 598 | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
599 memcpy(buf, f->rawData + f->rawOffset, length); |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
600 f->rawOffset += length; |
| 0 | 601 return nmemb; |
| 602 } | |
| 603 | |
| 604 | |
|
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
|
605 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
|
606 { |
|
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 // Check for EOF |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
608 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
|
609 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
610 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
|
611 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
|
612 } |
|
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 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
|
614 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
|
615 } |
|
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 |
|
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
|
617 |
|
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 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
|
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 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
|
621 |
|
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 // 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
|
623 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
|
624 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
625 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
|
626 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
|
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 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
|
630 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
631 memcpy(f->rawData + f->rawOffset, buf, length); |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
632 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
|
633 } |
|
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
|
634 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
|
635 } |
|
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
|
636 |
|
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
|
637 |
|
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
638 #ifdef DM_USE_PACKFS |
| 0 | 639 DMResourceOps dfPackFileOps = |
| 640 { | |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
641 "PackFS", |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
642 |
| 732 | 643 dm_mem_freset, |
| 0 | 644 dm_mem_ferror, |
| 645 dm_mem_fseek, | |
| 646 dm_mem_fsize, | |
| 647 dm_mem_ftell, | |
| 648 dm_mem_feof, | |
| 649 dm_mem_fgetc, | |
|
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
650 NULL, |
| 0 | 651 dm_mem_fread, |
|
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
652 NULL, |
| 0 | 653 |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
654 dm_pack_fopen, |
|
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
655 dm_pack_fclose, |
| 732 | 656 dm_pack_preload, |
| 0 | 657 }; |
|
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
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|
658 #endif |
| 0 | 659 |
| 660 | |
| 661 DMResourceOps dfMemIOFileOps = | |
| 662 { | |
|
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|
663 "MemIO", |
|
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diff
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|
664 |
| 732 | 665 dm_mem_freset, |
| 0 | 666 dm_mem_ferror, |
| 667 dm_mem_fseek, | |
| 668 dm_mem_fsize, | |
| 669 dm_mem_ftell, | |
| 670 dm_mem_feof, | |
| 671 dm_mem_fgetc, | |
|
439
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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.
Matti Hamalainen <ccr@tnsp.org>
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437
diff
changeset
|
672 dm_mem_fputc, |
| 0 | 673 dm_mem_fread, |
|
439
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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.
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
674 dm_mem_fwrite, |
| 0 | 675 |
| 676 NULL, | |
|
730
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|
677 dmResourceFree, |
| 0 | 678 NULL |
| 679 }; | |
| 680 | |
| 681 | |
| 682 /* FS file handling functions. These functions call the actual | |
| 683 * functions depending on where the file is located. | |
| 684 */ | |
|
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|
685 static int dmResourcePreload(DMResource *handle) |
|
29
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|
686 { |
| 733 | 687 int ret = DMERR_OK; |
|
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|
688 |
|
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|
689 // Check if we want to preload raw data? |
|
737
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Handle preloading of resources that do not have rops.
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parents:
736
diff
changeset
|
690 if ((handle->lib->flags & DRF_PRELOAD_RAW) || |
|
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Handle preloading of resources that do not have rops.
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736
diff
changeset
|
691 handle->rops == NULL || handle->rops->load == NULL) |
|
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|
692 { |
|
602
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Sanitize resource preloading function a bit.
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changeset
|
693 if (handle->flags & DMF_LOADED_RAW) |
|
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Sanitize resource preloading function a bit.
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|
694 ret = DMERR_OK; |
|
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|
695 else |
|
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diff
changeset
|
696 if (handle->fops->preload != NULL) |
|
29
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|
697 { |
|
602
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diff
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|
698 ret = handle->fops->preload(handle); |
|
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Sanitize resource preloading function a bit.
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diff
changeset
|
699 if (ret == DMERR_OK) |
|
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|
700 handle->flags |= DMF_LOADED_RAW | DMF_PERSIST; |
|
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|
701 } |
| 733 | 702 else |
| 703 ret = DMERR_INIT_FAIL; | |
|
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|
704 |
| 732 | 705 dmfreset(handle); |
|
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|
706 } |
|
625
e8fc083b7499
More work on resource management.
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parents:
613
diff
changeset
|
707 |
|
29
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|
708 // Check if resource data is to be preloaded |
|
721
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
709 if (handle->lib->flags & DRF_PRELOAD_RES) |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
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parents:
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diff
changeset
|
710 { |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
711 if (handle->flags & DMF_LOADED_RES) |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
712 ret = DMERR_OK; |
|
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Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
713 else |
|
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Sanitize resource preloading function a bit.
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parents:
553
diff
changeset
|
714 if (handle->rops != NULL && |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
715 handle->rops->load != NULL) |
|
29
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parents:
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diff
changeset
|
716 { |
|
728
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changeset
|
717 if ((ret = handle->fops->fopen(handle)) == DMERR_OK) |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
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parents:
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changeset
|
718 { |
|
728
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changeset
|
719 ret = handle->rops->load(handle); |
|
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727
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changeset
|
720 handle->fops->fclose(handle); |
|
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|
721 } |
|
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diff
changeset
|
722 |
|
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parents:
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diff
changeset
|
723 if (ret == DMERR_OK) |
|
602
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Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
724 handle->flags |= DMF_LOADED_RES; |
|
728
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changeset
|
725 } |
|
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
|
726 |
| 732 | 727 dmfreset(handle); |
|
29
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Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
728 } |
|
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
|
729 |
|
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
|
730 return ret; |
|
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Modularize some more and fix a nasty bug when raw data is not preloaded but
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parents:
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diff
changeset
|
731 } |
|
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
|
732 |
|
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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:
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diff
changeset
|
733 |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
734 int dmf_open(DMResourceLib *lib, const char *filename, DMResource **phandle) |
| 0 | 735 { |
|
730
3d813c81f33c
More work on resources API.
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parents:
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diff
changeset
|
736 DMResource *handle; |
|
728
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diff
changeset
|
737 int res; |
| 0 | 738 |
| 739 // Check master directory for resource | |
|
730
3d813c81f33c
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changeset
|
740 if ((*phandle = handle = dmResourceFind(lib, filename)) == NULL) |
| 0 | 741 { |
|
124
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Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
742 #ifdef DM_USE_STDIO |
|
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
743 if (lib->flags & DRF_USE_STDIO) |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
744 { |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
745 // Hmm.. does not exist? Fall back to a stdio file |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
746 *phandle = handle = dmResourceNew(lib, filename, 0); |
|
3d813c81f33c
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changeset
|
747 if (handle == NULL) |
|
3d813c81f33c
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Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
748 return DMERR_MALLOC; |
|
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
749 |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
750 handle->fops = &dfStdioFileOps; |
|
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
751 } |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
752 else |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
753 return DMERR_INIT_FAIL; |
| 0 | 754 #else |
| 755 // Stdio not enabled, fail | |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
756 return DMERR_INIT_FAIL; |
| 0 | 757 #endif |
| 758 } | |
| 759 | |
| 760 // Check if the data is preloaded | |
|
728
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More work on resource handling cleanup.
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diff
changeset
|
761 if ((res = handle->fops->fopen(handle)) == DMERR_OK) |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
762 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
763 dmResourceRef(handle); |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
764 if (handle->flags & DMF_TEMPORARY) |
|
3d813c81f33c
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parents:
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diff
changeset
|
765 { |
|
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changeset
|
766 handle->flags &= ~DMF_TEMPORARY; |
|
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changeset
|
767 dmResourceInsert(lib, handle); |
|
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changeset
|
768 } |
|
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changeset
|
769 } |
|
3d813c81f33c
More work on resources API.
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changeset
|
770 else |
|
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
771 if (handle->flags & DMF_TEMPORARY) |
|
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changeset
|
772 { |
|
3d813c81f33c
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diff
changeset
|
773 dmResourceFree(handle); |
|
3d813c81f33c
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changeset
|
774 *phandle = handle = NULL; |
|
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diff
changeset
|
775 } |
| 0 | 776 |
|
737
897646df1de1
Handle preloading of resources that do not have rops.
Matti Hamalainen <ccr@tnsp.org>
parents:
736
diff
changeset
|
777 dmfreset(handle); |
|
728
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diff
changeset
|
778 return res; |
| 0 | 779 } |
| 780 | |
| 781 | |
|
730
3d813c81f33c
More work on resources API.
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diff
changeset
|
782 int dmf_create_memio(DMResourceLib *lib, const char *filename, |
|
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diff
changeset
|
783 Uint8 *buf, const size_t size, DMResource **phandle) |
| 0 | 784 { |
| 785 DMResource *handle; | |
| 786 | |
| 787 // Check master directory for resource | |
|
730
3d813c81f33c
More work on resources API.
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parents:
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diff
changeset
|
788 if ((*phandle = handle = dmResourceFind(lib, filename)) == NULL) |
| 0 | 789 { |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
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changeset
|
790 if ((*phandle = handle = dmResourceNew(lib, filename, size)) == NULL) |
|
3d813c81f33c
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diff
changeset
|
791 return DMERR_MALLOC; |
| 0 | 792 |
|
731
0e164aaa7409
Work on getting the resource subsystem working again ..
Matti Hamalainen <ccr@tnsp.org>
parents:
730
diff
changeset
|
793 handle->flags = DMF_LOADED_RAW | DMF_UNALLOCATED; |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
794 handle->fops = &dfMemIOFileOps; |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
795 handle->rawData = buf; |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
796 dmResourceInsert(lib, handle); |
| 0 | 797 } |
| 798 | |
| 799 // Increase refcount | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
800 dmResourceRef(handle); |
| 732 | 801 dmfreset(handle); |
|
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
802 return DMERR_OK; |
| 0 | 803 } |
| 804 | |
| 805 | |
|
124
d5cfd29c87c4
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Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
806 #ifdef DM_USE_STDIO |
|
730
3d813c81f33c
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diff
changeset
|
807 int dmf_create_stdio(const char *filename, const char *mode, DMResource **phandle) |
| 0 | 808 { |
|
730
3d813c81f33c
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diff
changeset
|
809 DMResource *handle; |
|
3d813c81f33c
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diff
changeset
|
810 if ((*phandle = handle = dmResourceNew(NULL, filename, 0)) == NULL) |
|
3d813c81f33c
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parents:
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diff
changeset
|
811 return DMERR_MALLOC; |
| 0 | 812 |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
813 handle->fops = &dfStdioFileOps; |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
814 handle->fh = fopen(filename, mode); |
| 0 | 815 handle->error = dmGetErrno(); |
| 816 | |
|
730
3d813c81f33c
More work on resources API.
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parents:
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diff
changeset
|
817 if (handle->fh == NULL) |
| 0 | 818 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
819 dmResourceFree(handle); |
|
730
3d813c81f33c
More work on resources API.
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diff
changeset
|
820 return handle->error; |
| 0 | 821 } |
|
730
3d813c81f33c
More work on resources API.
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diff
changeset
|
822 |
|
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diff
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|
823 dmResourceRef(handle); |
|
3d813c81f33c
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|
824 return DMERR_OK; |
| 0 | 825 } |
| 826 | |
| 827 | |
|
730
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Matti Hamalainen <ccr@tnsp.org>
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|
828 int dmf_create_stdio_stream(FILE *fh, DMResource **phandle) |
| 0 | 829 { |
|
730
3d813c81f33c
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diff
changeset
|
830 DMResource *handle; |
|
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|
831 if ((*phandle = handle = dmResourceNew(NULL, "", 0)) == NULL) |
|
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|
832 return DMERR_MALLOC; |
| 0 | 833 |
| 834 handle->fops = &dfStdioFHOps; | |
|
721
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|
835 handle->fh = fh; |
|
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Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
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|
836 dmResourceRef(handle); |
|
730
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Matti Hamalainen <ccr@tnsp.org>
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|
837 return DMERR_OK; |
| 0 | 838 } |
| 839 #endif | |
| 840 | |
| 841 | |
| 842 void dmf_close(DMResource * f) | |
| 843 { | |
| 844 if (f == NULL) | |
| 845 return; | |
| 846 | |
| 847 if (f->fops->fclose != NULL) | |
| 848 f->fops->fclose(f); | |
| 849 | |
|
721
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Matti Hamalainen <ccr@tnsp.org>
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|
850 dmResourceUnref(f); |
| 0 | 851 } |
| 852 | |
| 853 | |
| 732 | 854 int dmfreset(DMResource *f) |
| 855 { | |
| 856 if (f == NULL) | |
| 857 return DMERR_NULLPTR; | |
| 858 | |
| 859 if (f->fops == NULL || f->fops->freset == NULL) | |
| 860 return DMERR_OK; | |
| 861 | |
| 862 return f->fops->freset(f); | |
| 863 } | |
| 864 | |
| 0 | 865 int dmferror(DMResource * f) |
| 866 { | |
| 867 f->atime = time(NULL); | |
| 868 return f->fops->ferror(f); | |
| 869 } | |
| 870 | |
| 871 int dmfseek(DMResource * f, off_t offset, int whence) | |
| 872 { | |
| 873 f->atime = time(NULL); | |
| 874 return f->fops->fseek(f, offset, whence); | |
| 875 } | |
| 876 | |
| 877 off_t dmfsize(DMResource * f) | |
| 878 { | |
| 879 f->atime = time(NULL); | |
| 880 return f->fops->fsize(f); | |
| 881 } | |
| 882 | |
| 883 off_t dmftell(DMResource * f) | |
| 884 { | |
| 885 f->atime = time(NULL); | |
| 886 return f->fops->ftell(f); | |
| 887 } | |
| 888 | |
| 889 BOOL dmfeof(DMResource * f) | |
| 890 { | |
| 891 f->atime = time(NULL); | |
| 892 return f->fops->feof(f); | |
| 893 } | |
| 894 | |
| 895 int dmfgetc(DMResource * f) | |
| 896 { | |
| 897 f->atime = time(NULL); | |
| 898 return f->fops->fgetc(f); | |
| 899 } | |
| 900 | |
|
74
23ac82365a65
Add file mode to dmf_create_stdio().
Matti Hamalainen <ccr@tnsp.org>
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|
901 int dmfputc(int v, DMResource * f) |
|
72
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|
902 { |
|
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Matti Hamalainen <ccr@tnsp.org>
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|
903 f->atime = time(NULL); |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
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|
904 return f->fops->fputc(v, f); |
|
be6160981428
Improve and finish write functions in resource subsystem.
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|
905 } |
|
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Improve and finish write functions in resource subsystem.
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|
906 |
| 0 | 907 size_t dmfread(void *ptr, size_t size, size_t nmemb, DMResource * f) |
| 908 { | |
| 909 f->atime = time(NULL); | |
| 910 return f->fops->fread(ptr, size, nmemb, f); | |
| 911 } | |
| 912 | |
|
72
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Improve and finish write functions in resource subsystem.
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|
913 size_t dmfwrite(void *ptr, size_t size, size_t nmemb, DMResource * f) |
|
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Improve and finish write functions in resource subsystem.
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|
914 { |
|
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Improve and finish write functions in resource subsystem.
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|
915 f->atime = time(NULL); |
|
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Improve and finish write functions in resource subsystem.
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|
916 return f->fops->fwrite(ptr, size, nmemb, f); |
|
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|
917 } |
|
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Matti Hamalainen <ccr@tnsp.org>
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|
918 |
| 235 | 919 char *dmfgets(char *s, int size, DMResource * f) |
| 920 { | |
| 921 char *p = s, c; | |
| 922 int n = 0; | |
| 923 | |
| 924 while ((c = f->fops->fgetc(f)) != EOF) | |
| 925 { | |
|
237
6d9d43bb68eb
Oops, another silly issue in dmfgets().
Matti Hamalainen <ccr@tnsp.org>
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236
diff
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|
926 n++; |
| 235 | 927 if (c == '\n') |
| 928 break; | |
| 929 else | |
| 930 if (n < size - 1) | |
| 931 *p++ = c; | |
| 932 } | |
| 933 *p = 0; | |
| 934 | |
|
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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|
935 return (n > 0) ? s : NULL; |
| 235 | 936 } |
| 937 | |
| 938 | |
|
721
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|
939 int dmResourceRef(DMResource *node) |
| 0 | 940 { |
|
359
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|
941 if (node->lib != NULL) dmMutexLock(node->lib->mutex); |
|
27
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|
942 node->atime = time(NULL); |
|
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|
943 node->refcount++; |
|
359
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|
944 if (node->lib != NULL) dmMutexUnlock(node->lib->mutex); |
| 0 | 945 |
|
27
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|
946 return node->refcount; |
| 0 | 947 } |
| 948 | |
| 949 | |
|
721
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|
950 int dmResourceUnref(DMResource *node) |
| 0 | 951 { |
|
359
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|
952 if (node->lib != NULL) dmMutexLock(node->lib->mutex); |
|
27
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|
953 node->refcount--; |
|
359
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|
954 if (node->lib != NULL) dmMutexUnlock(node->lib->mutex); |
| 0 | 955 |
|
27
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|
956 return node->refcount; |
| 0 | 957 } |
| 958 | |
| 959 | |
|
625
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|
960 #ifdef DM_USE_STDIO |
| 727 | 961 static int dmResourcesLoadDirectory(DMResourceLib *lib, const char *path) |
| 0 | 962 { |
|
625
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|
963 int res = DMERR_OK; |
| 630 | 964 struct dirent *dh; |
|
625
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|
965 DIR *hdir = opendir(path); |
|
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|
966 if (hdir == NULL) |
|
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diff
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|
967 return dmGetErrno(); |
| 0 | 968 |
|
359
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|
969 dmMutexLock(lib->mutex); |
| 0 | 970 |
|
625
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|
971 do |
| 0 | 972 { |
|
625
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|
973 DMResource *node = NULL; |
| 630 | 974 dh = readdir(hdir); |
| 975 if (dh != NULL) | |
| 0 | 976 { |
|
625
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diff
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|
977 struct stat sbuf; |
|
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|
978 char *fname = dm_strdup_printf("%s/%s", path, dh->d_name); |
|
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changeset
|
979 if (stat(fname, &sbuf) == -1) |
|
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diff
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|
980 { |
|
958
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Matti Hamalainen <ccr@tnsp.org>
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|
981 res = dmError(dmGetErrno(), |
|
985225a93aeb
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|
982 "Could not stat() %s, #%d: %s\n", |
|
625
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613
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|
983 fname, res, dmErrorStr(res)); |
|
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|
984 dmFree(fname); |
|
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changeset
|
985 goto out; |
|
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|
986 } |
| 0 | 987 |
|
625
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|
988 if (S_ISREG(sbuf.st_mode)) |
|
721
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diff
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|
989 node = dmResourceNew(lib, dh->d_name, sbuf.st_size); |
|
625
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|
990 } |
| 630 | 991 |
|
625
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|
992 if (node != NULL) |
|
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|
993 { |
|
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|
994 node->fops = &dfStdioFileOps; |
|
721
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|
995 dmResourceInsert(lib, node); |
|
625
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|
996 } |
| 630 | 997 } while (dh != NULL); |
| 0 | 998 |
|
625
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|
999 out: |
|
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|
1000 dmMutexUnlock(lib->mutex); |
| 0 | 1001 |
|
625
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changeset
|
1002 #ifdef __WIN32 |
|
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|
1003 #else |
|
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|
1004 closedir(hdir); |
|
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|
1005 #endif |
|
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|
1006 |
|
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|
1007 return res; |
| 0 | 1008 } |
|
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|
1009 #endif |
| 0 | 1010 |
| 1011 | |
| 1012 /* Resources subsystem initialization and shutdown routines | |
| 1013 */ | |
|
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1014 int dmResourcesInit(DMResourceLib **plib, const char *filename, const char *path, const int flags, int (*classifier)(DMResource *)) |
| 0 | 1015 { |
|
359
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|
1016 DMResourceLib *lib; |
|
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|
1017 BOOL initialized = FALSE; |
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|
1018 |
|
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|
1019 // Allocate the resource library structure |
|
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1020 if ((*plib = lib = dmMalloc0(sizeof(DMResourceLib))) == NULL) |
|
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|
1021 return DMERR_MALLOC; |
| 0 | 1022 |
|
359
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|
1023 // Basic data |
|
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|
1024 lib->mutex = dmCreateMutex(); |
|
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|
1025 lib->flags = flags; |
|
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|
1026 lib->resPath = dm_strdup((path != NULL) ? path : DMRES_DATA_PATH); |
| 0 | 1027 |
| 107 | 1028 |
|
625
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|
1029 #ifdef DM_USE_PACKFS |
| 734 | 1030 if (flags & DRF_USE_PACK) |
| 0 | 1031 { |
| 1032 int ret; | |
| 1033 DMPackEntry *node; | |
| 1034 | |
|
359
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|
1035 lib->packFilename = dm_strdup((filename != NULL) ? filename : DMRES_DATA_PACK); |
| 0 | 1036 |
| 1037 // Initialize PACK, open as read-only | |
|
721
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|
1038 ret = dmPackOpen(lib->packFilename, &lib->packFile, TRUE); |
| 0 | 1039 if (ret != DMERR_OK) |
| 1040 { | |
|
625
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|
1041 if ((flags & DRF_USE_STDIO) == 0) |
|
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|
1042 { |
|
958
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|
1043 return dmError(DMERR_INIT_FAIL, |
|
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|
1044 "Error opening PACK file '%s', #%d: %s\n", |
|
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
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|
1045 lib->packFilename, ret, dmErrorStr(ret)); |
| 0 | 1046 } |
| 734 | 1047 else |
|
958
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Add error code parameter to dmError() and dmErrorVA().
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|
1048 { |
|
985225a93aeb
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|
1049 // Non-fatal |
|
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changeset
|
1050 dmError(DMERR_INIT_FAIL, |
|
985225a93aeb
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|
1051 "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>
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changeset
|
1052 lib->packFilename, ret, dmErrorStr(ret)); |
|
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1053 } |
| 0 | 1054 } |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1055 else |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1056 { |
|
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613
diff
changeset
|
1057 // Initialize resources from a PACK file |
|
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1058 for (node = lib->packFile->entries; node != NULL; node = node->next) |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1059 { |
|
721
bb14d7907eb2
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1060 DMResource *res = dmResourceNew(lib, node->filename, node->size); |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1061 if (res == NULL) |
|
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1062 { |
|
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1063 return dmError(DMERR_INIT_FAIL, |
|
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1064 "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
|
1065 node->filename, node->flags, node->size); |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1066 } |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1067 |
|
736
ea42faa02a9a
Set packfile fileops in the appropriate handles.
Matti Hamalainen <ccr@tnsp.org>
parents:
734
diff
changeset
|
1068 res->fops = &dfPackFileOps; |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1069 dmResourceInsert(lib, res); |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1070 } |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1071 |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1072 initialized = TRUE; |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1073 } |
|
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1074 } |
| 0 | 1075 #endif |
|
625
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More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1076 |
|
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1077 #ifdef DM_USE_STDIO |
|
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1078 if (!initialized && (flags & DRF_USE_STDIO)) |
| 0 | 1079 { |
| 1080 // Initialize resources from a resource directory | |
| 727 | 1081 int ret = dmResourcesLoadDirectory(lib, lib->resPath); |
| 0 | 1082 if (ret != DMERR_OK) |
|
625
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1083 return ret; |
|
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1084 initialized = TRUE; |
| 0 | 1085 } |
|
625
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More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1086 #endif |
|
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Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
1087 |
|
e8fc083b7499
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613
diff
changeset
|
1088 if (!initialized) |
|
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Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
1089 return DMERR_INIT_FAIL; |
| 0 | 1090 |
|
26
2f463a59d732
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Matti Hamalainen <ccr@tnsp.org>
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4
diff
changeset
|
1091 // Okay, classify resources |
|
359
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|
1092 if (lib->resources != NULL && classifier != NULL) |
|
26
2f463a59d732
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1093 { |
|
2f463a59d732
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1094 DMResource *node; |
|
359
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diff
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|
1095 for (node = lib->resources; node != NULL; node = node->next) |
|
26
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1096 { |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1097 int ret = classifier(node); |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1098 if (ret != DMERR_OK) |
| 107 | 1099 return ret; |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1100 } |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1101 } |
| 0 | 1102 |
| 1103 // Initialization complete | |
| 1104 return DMERR_OK; | |
| 1105 } | |
| 1106 | |
| 1107 | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1108 int dmResourcesClose(DMResourceLib *lib) |
| 0 | 1109 { |
| 1110 DMResource *node; | |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
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237
diff
changeset
|
1111 |
|
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
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237
diff
changeset
|
1112 if (lib == NULL) |
|
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
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diff
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|
1113 return DMERR_NULLPTR; |
|
59045853853d
Make resource management re-entrant.
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237
diff
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|
1114 |
|
59045853853d
Make resource management re-entrant.
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237
diff
changeset
|
1115 dmMutexLock(lib->mutex); |
| 0 | 1116 |
| 1117 // Shutdown possible subsystems | |
|
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
1118 #ifdef DM_USE_PACKFS |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1119 if (lib->flags & DRF_USE_PACK) |
| 0 | 1120 { |
|
721
bb14d7907eb2
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1121 int res = dmPackClose(lib->packFile); |
| 0 | 1122 if (res != DMERR_OK) |
| 1123 { | |
|
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1124 dmError(res, "Error closing PACK, #%i: %s\n", |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1125 res, dmErrorStr(res)); |
| 0 | 1126 } |
| 1127 | |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1128 dmFree(lib->packFilename); |
| 0 | 1129 } |
| 1130 #endif | |
| 1131 | |
| 1132 // Free resource entries | |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
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237
diff
changeset
|
1133 node = lib->resources; |
| 0 | 1134 while (node != NULL) |
| 1135 { | |
| 1136 DMResource *next = node->next; | |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1137 dmResourceFree(node); |
| 0 | 1138 node = next; |
| 1139 } | |
| 1140 | |
| 1141 // Etc. | |
|
359
59045853853d
Make resource management re-entrant.
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237
diff
changeset
|
1142 dmFree(lib->resPath); |
|
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1143 dmMutexUnlock(lib->mutex); |
|
59045853853d
Make resource management re-entrant.
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237
diff
changeset
|
1144 dmDestroyMutex(lib->mutex); |
|
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1145 return DMERR_OK; |
| 0 | 1146 } |
| 1147 | |
| 1148 | |
|
721
bb14d7907eb2
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1149 int dmResourcesPreload(DMResourceLib *lib, BOOL start, int *loaded, int *total) |
| 0 | 1150 { |
|
26
2f463a59d732
Implement rudimentary resource system.
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parents:
4
diff
changeset
|
1151 int ret = DMERR_OK; |
| 0 | 1152 |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1153 dmMutexLock(lib->mutex); |
| 0 | 1154 |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1155 // Initialize preloading |
|
359
59045853853d
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Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1156 if (lib->preload == NULL || start) |
| 0 | 1157 { |
| 1158 DMResource *node; | |
|
26
2f463a59d732
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1159 |
|
359
59045853853d
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237
diff
changeset
|
1160 lib->preload = lib->resources; |
| 0 | 1161 *loaded = 0; |
| 1162 *total = 0; | |
|
26
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Implement rudimentary resource system.
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parents:
4
diff
changeset
|
1163 |
|
2f463a59d732
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parents:
4
diff
changeset
|
1164 // Calculate total number of resources to be preloaded |
|
721
bb14d7907eb2
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1165 if (lib->flags & (DRF_PRELOAD_RAW | DRF_PRELOAD_RES)) |
| 0 | 1166 { |
|
721
bb14d7907eb2
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1167 for (node = lib->resources; node != NULL; node = node->next) |
| 0 | 1168 (*total)++; |
| 1169 } | |
| 1170 } | |
|
26
2f463a59d732
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parents:
4
diff
changeset
|
1171 else |
|
359
59045853853d
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parents:
237
diff
changeset
|
1172 if (lib->preload != NULL) |
| 0 | 1173 { |
|
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
1174 // Attempt to preload the resource |
|
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
1175 if ((ret = dmResourcePreload(lib->preload)) != DMERR_OK) |
|
628
0533f94e843b
Add error message to failed preloading.
Matti Hamalainen <ccr@tnsp.org>
parents:
627
diff
changeset
|
1176 { |
|
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1177 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
|
1178 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
|
1179 goto error; |
|
628
0533f94e843b
Add error message to failed preloading.
Matti Hamalainen <ccr@tnsp.org>
parents:
627
diff
changeset
|
1180 } |
|
26
2f463a59d732
Implement rudimentary resource system.
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parents:
4
diff
changeset
|
1181 |
|
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
|
1182 (*loaded)++; |
|
359
59045853853d
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parents:
237
diff
changeset
|
1183 lib->preload = lib->preload->next; |
| 0 | 1184 } |
| 1185 | |
|
359
59045853853d
Make resource management re-entrant.
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237
diff
changeset
|
1186 dmMutexUnlock(lib->mutex); |
|
59045853853d
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237
diff
changeset
|
1187 return (lib->preload == NULL) ? DMERR_OK : DMERR_PROGRESS; |
|
26
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parents:
4
diff
changeset
|
1188 |
|
2f463a59d732
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parents:
4
diff
changeset
|
1189 error: |
|
359
59045853853d
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diff
changeset
|
1190 dmMutexUnlock(lib->mutex); |
|
26
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4
diff
changeset
|
1191 return ret; |
| 0 | 1192 } |
| 1193 | |
| 1194 | |
|
721
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1195 void dmResourcePrune(DMResourceLib *lib, const int agems, int const flags) |
| 0 | 1196 { |
|
26
2f463a59d732
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parents:
4
diff
changeset
|
1197 DMResource *node; |
|
721
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1198 const int stamp = time(NULL); |
|
359
59045853853d
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parents:
237
diff
changeset
|
1199 dmMutexLock(lib->mutex); |
| 0 | 1200 |
|
359
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237
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changeset
|
1201 for (node = lib->resources; node != NULL; node = node->next) |
| 0 | 1202 { |
| 1203 // Check if node has refcount of 0 and is | |
| 1204 // not marked as persistent resource | |
|
26
2f463a59d732
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parents:
4
diff
changeset
|
1205 if (node->refcount == 0 && |
|
2f463a59d732
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parents:
4
diff
changeset
|
1206 (node->flags & DMF_PERSIST) == 0 && |
|
2f463a59d732
Implement rudimentary resource system.
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parents:
4
diff
changeset
|
1207 (node->flags & (DMF_LOADED_RES | DMF_LOADED_RAW))) |
| 0 | 1208 { |
|
721
bb14d7907eb2
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1209 if (((flags & DMPRUNE_ATIME) && stamp - node->atime >= agems) || |
|
bb14d7907eb2
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Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1210 ((flags & DMPRUNE_MTIME) && stamp - node->mtime >= agems)) |
| 0 | 1211 { |
|
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1212 dmResourceFreeResData(node); |
|
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1213 dmResourceFreeRawData(node); |
| 0 | 1214 } |
| 1215 } | |
| 1216 } | |
| 1217 | |
|
359
59045853853d
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237
diff
changeset
|
1218 dmMutexUnlock(lib->mutex); |
| 0 | 1219 } |
| 1220 | |
| 1221 | |
| 1222 /* Helper resource access routines | |
| 1223 */ | |
|
553
b60220fd1669
s/Uint8/void/ in dmf_{read,write}_str().
Matti Hamalainen <ccr@tnsp.org>
parents:
439
diff
changeset
|
1224 int dmf_read_str(DMResource *f, void *s, size_t l) |
| 0 | 1225 { |
|
553
b60220fd1669
s/Uint8/void/ in dmf_{read,write}_str().
Matti Hamalainen <ccr@tnsp.org>
parents:
439
diff
changeset
|
1226 return dmfread(s, 1, l, f) == l; |
| 0 | 1227 } |
| 1228 | |
|
437
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1229 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
|
1230 { |
|
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1231 int tmp = dmfgetc(f); |
|
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1232 *val = tmp; |
|
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1233 return tmp != EOF; |
|
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1234 } |
| 0 | 1235 |
| 1236 #define DM_DEFINE_FUNC(xname, xtype, xmacro) \ | |
| 1237 BOOL dmf_read_ ## xname (DMResource *f, xtype *v) { \ | |
| 1238 xtype result; \ | |
| 1239 if (dmfread(&result, sizeof( xtype ), 1, f) != 1) \ | |
| 1240 return FALSE; \ | |
| 1241 *v = DM_ ## xmacro ## _TO_NATIVE (result); \ | |
| 1242 return TRUE; \ | |
| 1243 } | |
| 1244 | |
| 1245 DM_DEFINE_FUNC(le16, Uint16, LE16) | |
| 1246 DM_DEFINE_FUNC(le32, Uint32, LE32) | |
| 1247 | |
| 1248 DM_DEFINE_FUNC(be16, Uint16, BE16) | |
| 1249 DM_DEFINE_FUNC(be32, Uint32, BE32) | |
| 1250 | |
| 1251 DM_DEFINE_FUNC(le64, Uint64, LE64) | |
| 1252 DM_DEFINE_FUNC(be64, Uint64, BE64) |