Mercurial > hg > dmlib
annotate src/dmres.c @ 1034:2e9ba01294b3
Cosmetics.
author | Matti Hamalainen <ccr@tnsp.org> |
---|---|
date | Sun, 01 Mar 2015 16:39:59 +0200 |
parents | 6436d80ae0fc |
children | 1a0a327d8fed |
rev | line source |
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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 { |
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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630
diff
changeset
|
270 handle->rawData = dmMalloc(handle->rawSize); |
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
271 if (handle->rawData == NULL) |
0 | 272 return DMERR_MALLOC; |
273 | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
274 if (dm_stdio_fread(handle->rawData, sizeof(Uint8), handle->rawSize, handle) != handle->rawSize) |
0 | 275 return DMERR_FREAD; |
276 | |
277 return DMERR_OK; | |
278 } | |
279 | |
280 | |
281 DMResourceOps dfStdioFileOps = | |
282 { | |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
283 "Stdio", |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
284 |
732 | 285 dm_stdio_freset, |
0 | 286 dm_stdio_ferror, |
287 dm_stdio_fseek, | |
288 dm_stdio_fsize, | |
289 dm_stdio_ftell, | |
290 dm_stdio_feof, | |
291 dm_stdio_fgetc, | |
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
292 dm_stdio_fputc, |
0 | 293 dm_stdio_fread, |
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
294 dm_stdio_fwrite, |
0 | 295 |
296 dm_stdio_fopen, | |
297 dm_stdio_fclose, | |
298 dm_stdio_preload | |
299 }; | |
300 | |
301 DMResourceOps dfStdioFHOps = | |
302 { | |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
303 "StdioFH", |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
304 |
732 | 305 dm_stdio_freset, |
0 | 306 dm_stdio_ferror, |
307 dm_stdio_fseek, | |
308 dm_stdio_fsize, | |
309 dm_stdio_ftell, | |
310 dm_stdio_feof, | |
311 dm_stdio_fgetc, | |
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
312 dm_stdio_fputc, |
0 | 313 dm_stdio_fread, |
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
314 dm_stdio_fwrite, |
0 | 315 |
316 NULL, | |
317 NULL, | |
318 NULL | |
319 }; | |
320 #endif | |
321 | |
322 | |
323 // Some mingw/windows headers define these as macros, which is bad for us | |
324 #ifdef __WIN32 | |
325 #undef ferror | |
326 #undef feof | |
327 #endif | |
328 | |
329 | |
330 /* | |
331 * PACK file routines | |
332 */ | |
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
333 #ifdef DM_USE_PACKFS |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
334 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
335 #ifdef DM_USE_ZLIB |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
336 |
995
aeafd6d44465
Move and rename a constant define.
Matti Hamalainen <ccr@tnsp.org>
parents:
993
diff
changeset
|
337 #define DMRES_TMPBUF_SIZE (128 * 1024) |
aeafd6d44465
Move and rename a constant define.
Matti Hamalainen <ccr@tnsp.org>
parents:
993
diff
changeset
|
338 |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
339 static int dm_pack_decompress(DMResource *handle, DMPackEntry *node) |
0 | 340 { |
341 int res = DMERR_OK, cres, cdataLeft; | |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
342 Uint8 * cbuffer = NULL; |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
343 z_stream zstr; |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
344 BOOL zinit = FALSE; |
0 | 345 |
346 // Allocate a structures and buffers | |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
347 if ((cbuffer = dmMalloc(DMRES_TMPBUF_SIZE)) == NULL) |
0 | 348 { |
349 res = DMERR_MALLOC; | |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
350 goto out; |
0 | 351 } |
352 | |
353 // Initialize decompression | |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
354 memset(&zstr, 0, sizeof(zstr); |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
355 zstr.next_out = handle->rawData; |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
356 zstr.avail_out = handle->rawSize; |
0 | 357 cdataLeft = node->length; |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
358 |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
359 if (inflateInit(&zstr) != Z_OK) |
0 | 360 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
361 res = dmError(DMERR_INIT_FAIL, |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
362 "Could not initialize zlib stream decompression.\n"); |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
363 goto out; |
0 | 364 } |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
365 zinit = TRUE; |
0 | 366 |
367 // Uncompress the data | |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
368 while (cdataLeft > 0 && zstr.avail_out > 0 && cres == Z_OK) |
0 | 369 { |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
370 zstr.avail_in = fread( |
0 | 371 cbuffer, sizeof(Uint8), |
995
aeafd6d44465
Move and rename a constant define.
Matti Hamalainen <ccr@tnsp.org>
parents:
993
diff
changeset
|
372 (cdataLeft >= DMRES_TMPBUF_SIZE) ? DMRES_TMPBUF_SIZE : cdataLeft, |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
373 handle->lib->packFile->file); |
0 | 374 |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
375 cdataLeft -= zstr.avail_in; |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
376 zstr.next_in = cbuffer; |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
377 cres = inflate(&zstr, Z_FULL_FLUSH); |
0 | 378 } |
379 | |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
380 |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
381 out: |
0 | 382 // Cleanup |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
383 if (zinit) |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
384 inflateEnd(&zstr); |
0 | 385 |
386 dmFree(cbuffer); | |
387 return res; | |
388 } | |
389 | |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
390 #else |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
391 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
392 static int dm_pack_decompress(DMResource *handle, DMPackEntry *node) |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
393 { |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
394 DMZLibContext ctx; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
395 Uint8 *inBuf = NULL; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
396 int ret; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
397 |
1016 | 398 // Allocate buuffer for compressed data |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
399 if ((inBuf = dmMalloc(node->length)) == NULL) |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
400 { |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
401 ret = DMERR_MALLOC; |
1010 | 402 goto out; |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
403 } |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
404 |
1016 | 405 // Read compressed data |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
406 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
|
407 { |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
408 ret = DMERR_FREAD; |
1010 | 409 goto out; |
993
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 { |
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 |
1016 | 415 // Initialize decompression structures |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
416 ctx.zbuffer = inBuf; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
417 ctx.zbufferEnd = inBuf + node->length; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
418 |
1017
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
419 ctx.zout = ctx.zoutStart = handle->rawData; |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
420 ctx.zoutEnd = handle->rawData + node->size; |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
421 ctx.expandable = FALSE; |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
422 |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
423 // Attempt decompression |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
424 if ((ret = dmZLibParseHeader(&ctx, TRUE)) != DMERR_OK) |
1010 | 425 goto out; |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
426 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
427 if ((ret = dmZLibDecode(&ctx)) != DMERR_OK) |
1010 | 428 goto out; |
993
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 handle->rawData = ctx.zoutStart; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
431 handle->rawSize = ctx.zout - ctx.zoutStart; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
432 |
1017
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
433 out: |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
434 dmFree(inBuf); |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
435 return ret; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
436 } |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
437 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
438 #endif |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
439 |
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 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
|
442 { |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
443 DMPackEntry *node; |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
444 int ret = DMERR_OK; |
993
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 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
|
447 return DMERR_NULLPTR; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
448 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
449 // Search PACK nodelist for file |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
450 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
|
451 { |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
452 ret = dmError(DMERR_NOT_FOUND, |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
453 "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
|
454 handle->filename); |
1010 | 455 goto out; |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
456 } |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
457 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
458 // Seek to entry |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
459 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
|
460 { |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
461 ret = dmError(DMERR_FSEEK, |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
462 "Could not seek node position in PACK file.\n"); |
1010 | 463 goto out; |
993
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 |
1017
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
466 // Allocate memory for the node |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
467 if ((handle->rawData = dmMalloc(node->size)) == NULL) |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
468 { |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
469 ret = dmError(DMERR_MALLOC, |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
470 "Failed to allocate node data for '%s' (%d bytes).\n", |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
471 handle->filename, node->size); |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
472 goto out; |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
473 } |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
474 |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
475 // Check if the entry is compressed |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
476 if (handle->flags & DMF_COMPRESSED) |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
477 { |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
478 if ((ret = dm_pack_decompress(handle, node)) != DMERR_OK) |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
479 goto out; |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
480 |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
481 if (handle->rawSize != node->size) |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
482 { |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
483 ret = dmError(DMERR_COMPRESSION, |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
484 "Decompressed data size for '%s' does not match size stored in PACK entry (%d <> %d).\n", |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
485 handle->filename, handle->rawSize, node->size); |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
486 } |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
487 } |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
488 else |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
489 { |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
490 if (node->size != node->length) |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
491 { |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
492 ret = dmError(DMERR_INVALID_DATA, |
1034 | 493 "Node '%s' raw size and length fields differ for uncompressed node.\n", |
494 handle->filename); | |
1017
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
495 goto out; |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
496 } |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
497 if (fread(handle->rawData, sizeof(Uint8), node->size, handle->lib->packFile->file) != node->size) |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
498 { |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
499 ret = dmError(DMERR_FREAD, |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
500 "Error reading node data.\n"); |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
501 goto out; |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
502 } |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
503 } |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
504 |
1010 | 505 out: |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
506 return ret; |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
507 } |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
508 |
0 | 509 |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
510 static int dm_pack_fopen(DMResource * f) |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
511 { |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
512 if ((f->flags & DMF_LOADED_RAW) == 0) |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
513 { |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
514 int ret = dm_pack_preload(f); |
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
515 if (ret == DMERR_OK) |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
516 f->flags |= DMF_LOADED_RAW; |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
517 |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
518 return ret; |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
519 } |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
520 else |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
521 return DMERR_OK; |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
522 } |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
523 |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
524 |
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
525 static void dm_pack_fclose(DMResource * f) |
0 | 526 { |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
527 if ((f->flags & DMF_PERSIST) == 0) |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
528 dmResourceFreeRawData(f); |
0 | 529 } |
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
530 #endif |
0 | 531 |
532 | |
732 | 533 static int dm_mem_freset(DMResource * f) |
534 { | |
535 f->rawOffset = 0; | |
536 return DMERR_OK; | |
537 } | |
538 | |
539 | |
0 | 540 static int dm_mem_ferror(DMResource * f) |
541 { | |
542 return f->error; | |
543 } | |
544 | |
545 | |
546 static int dm_mem_fseek(DMResource * f, const off_t offset, const int whence) | |
547 { | |
548 off_t newPos; | |
549 | |
550 // Calculate the new position | |
551 switch (whence) | |
552 { | |
553 case SEEK_SET: | |
554 newPos = offset; | |
555 break; | |
556 | |
557 case SEEK_CUR: | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
558 newPos = f->rawOffset + offset; |
0 | 559 break; |
560 | |
561 case SEEK_END: | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
562 newPos = f->rawSize + offset; |
0 | 563 break; |
564 | |
565 default: | |
566 return -1; | |
567 } | |
568 | |
569 // Set the new position | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
570 f->rawOffset = newPos; |
0 | 571 |
572 // Check the new position | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
573 if (newPos < 0 && (size_t) newPos >= f->rawSize) |
0 | 574 return -1; |
575 | |
576 return 0; | |
577 } | |
578 | |
579 | |
580 static off_t dm_mem_fsize(DMResource * f) | |
581 { | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
582 return f->rawSize; |
0 | 583 } |
584 | |
585 | |
586 static off_t dm_mem_ftell(DMResource * f) | |
587 { | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
588 return f->rawOffset; |
0 | 589 } |
590 | |
591 | |
592 static BOOL dm_mem_feof(DMResource * f) | |
593 { | |
594 // Check for EOF | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
595 if ((size_t) f->rawOffset <= f->rawSize) |
0 | 596 return FALSE; |
597 else | |
598 return TRUE; | |
599 } | |
600 | |
601 | |
602 static int dm_mem_fgetc(DMResource * f) | |
603 { | |
604 // Check for EOF | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
605 if ((size_t) f->rawOffset < f->rawSize) |
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
606 return f->rawData[f->rawOffset++]; |
0 | 607 else |
608 return EOF; | |
609 } | |
610 | |
611 | |
612 static size_t dm_mem_fread(void *buf, size_t size, size_t nmemb, DMResource * f) | |
613 { | |
614 size_t length = (size * nmemb); | |
615 | |
616 // 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
|
617 if (((size_t) f->rawOffset + length) >= f->rawSize) |
0 | 618 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
619 nmemb = (f->rawSize - f->rawOffset) / size; |
0 | 620 length = size * nmemb; |
621 } | |
622 | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
623 memcpy(buf, f->rawData + f->rawOffset, length); |
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
624 f->rawOffset += length; |
0 | 625 return nmemb; |
626 } | |
627 | |
628 | |
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
|
629 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
|
630 { |
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
|
631 // Check for EOF |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
632 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
|
633 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
634 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
|
635 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
|
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 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
|
638 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
|
639 } |
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
|
640 |
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
|
641 |
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
|
642 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
|
643 { |
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
|
644 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
|
645 |
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
|
646 // 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
|
647 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
|
648 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
649 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
|
650 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
|
651 } |
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
|
652 |
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
|
653 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
|
654 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
655 memcpy(f->rawData + f->rawOffset, buf, length); |
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
656 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
|
657 } |
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
|
658 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
|
659 } |
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
|
660 |
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
|
661 |
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
662 #ifdef DM_USE_PACKFS |
0 | 663 DMResourceOps dfPackFileOps = |
664 { | |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
665 "PackFS", |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
666 |
732 | 667 dm_mem_freset, |
0 | 668 dm_mem_ferror, |
669 dm_mem_fseek, | |
670 dm_mem_fsize, | |
671 dm_mem_ftell, | |
672 dm_mem_feof, | |
673 dm_mem_fgetc, | |
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
674 NULL, |
0 | 675 dm_mem_fread, |
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
676 NULL, |
0 | 677 |
728
867fc7f205a8
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Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
678 dm_pack_fopen, |
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
679 dm_pack_fclose, |
732 | 680 dm_pack_preload, |
0 | 681 }; |
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
682 #endif |
0 | 683 |
684 | |
685 DMResourceOps dfMemIOFileOps = | |
686 { | |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
687 "MemIO", |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
688 |
732 | 689 dm_mem_freset, |
0 | 690 dm_mem_ferror, |
691 dm_mem_fseek, | |
692 dm_mem_fsize, | |
693 dm_mem_ftell, | |
694 dm_mem_feof, | |
695 dm_mem_fgetc, | |
439
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
696 dm_mem_fputc, |
0 | 697 dm_mem_fread, |
439
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
698 dm_mem_fwrite, |
0 | 699 |
700 NULL, | |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
701 dmResourceFree, |
0 | 702 NULL |
703 }; | |
704 | |
705 | |
706 /* FS file handling functions. These functions call the actual | |
707 * functions depending on where the file is located. | |
708 */ | |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
709 static int dmResourcePreload(DMResource *handle) |
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
710 { |
733 | 711 int ret = DMERR_OK; |
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
712 |
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
|
713 // Check if we want to preload raw data? |
737
897646df1de1
Handle preloading of resources that do not have rops.
Matti Hamalainen <ccr@tnsp.org>
parents:
736
diff
changeset
|
714 if ((handle->lib->flags & DRF_PRELOAD_RAW) || |
897646df1de1
Handle preloading of resources that do not have rops.
Matti Hamalainen <ccr@tnsp.org>
parents:
736
diff
changeset
|
715 handle->rops == NULL || handle->rops->load == NULL) |
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
716 { |
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
717 if (handle->flags & DMF_LOADED_RAW) |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
718 ret = DMERR_OK; |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
719 else |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
720 if (handle->fops->preload != NULL) |
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
721 { |
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
722 ret = handle->fops->preload(handle); |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
723 if (ret == DMERR_OK) |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
724 handle->flags |= DMF_LOADED_RAW | DMF_PERSIST; |
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
725 } |
733 | 726 else |
727 ret = DMERR_INIT_FAIL; | |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
728 |
732 | 729 dmfreset(handle); |
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
730 } |
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
731 |
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
|
732 // Check if resource data is to be preloaded |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
733 if (handle->lib->flags & DRF_PRELOAD_RES) |
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
734 { |
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
735 if (handle->flags & DMF_LOADED_RES) |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
736 ret = DMERR_OK; |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
737 else |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
738 if (handle->rops != NULL && |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
739 handle->rops->load != NULL) |
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
740 { |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
741 if ((ret = handle->fops->fopen(handle)) == DMERR_OK) |
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
742 { |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
743 ret = handle->rops->load(handle); |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
744 handle->fops->fclose(handle); |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
745 } |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
746 |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
747 if (ret == DMERR_OK) |
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
748 handle->flags |= DMF_LOADED_RES; |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
749 } |
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
|
750 |
732 | 751 dmfreset(handle); |
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
752 } |
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
|
753 |
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
|
754 return ret; |
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
755 } |
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
|
756 |
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
|
757 |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
758 int dmf_open(DMResourceLib *lib, const char *filename, DMResource **phandle) |
0 | 759 { |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
760 DMResource *handle; |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
761 int ret; |
0 | 762 |
763 // Check master directory for resource | |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
764 if ((*phandle = handle = dmResourceFind(lib, filename)) == NULL) |
0 | 765 { |
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
766 #ifdef DM_USE_STDIO |
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
767 if (lib->flags & DRF_USE_STDIO) |
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
768 { |
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
769 // Hmm.. does not exist? Fall back to a stdio file |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
770 *phandle = handle = dmResourceNew(lib, filename, 0); |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
771 if (handle == NULL) |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
772 return DMERR_MALLOC; |
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
773 |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
774 handle->fops = &dfStdioFileOps; |
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
775 } |
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
776 else |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
777 return DMERR_INIT_FAIL; |
0 | 778 #else |
779 // Stdio not enabled, fail | |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
780 return DMERR_INIT_FAIL; |
0 | 781 #endif |
782 } | |
783 | |
784 // Check if the data is preloaded | |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
785 if ((ret = handle->fops->fopen(handle)) == DMERR_OK) |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
786 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
787 dmResourceRef(handle); |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
788 if (handle->flags & DMF_TEMPORARY) |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
789 { |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
790 handle->flags &= ~DMF_TEMPORARY; |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
791 dmResourceInsert(lib, handle); |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
792 } |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
793 } |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
794 else |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
795 if (handle->flags & DMF_TEMPORARY) |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
796 { |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
797 dmResourceFree(handle); |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
798 *phandle = handle = NULL; |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
799 } |
0 | 800 |
737
897646df1de1
Handle preloading of resources that do not have rops.
Matti Hamalainen <ccr@tnsp.org>
parents:
736
diff
changeset
|
801 dmfreset(handle); |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
802 return ret; |
0 | 803 } |
804 | |
805 | |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
806 int dmf_create_memio(DMResourceLib *lib, const char *filename, |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
807 Uint8 *buf, const size_t size, DMResource **phandle) |
0 | 808 { |
809 DMResource *handle; | |
810 | |
811 // Check master directory for resource | |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
812 if ((*phandle = handle = dmResourceFind(lib, filename)) == NULL) |
0 | 813 { |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
814 if ((*phandle = handle = dmResourceNew(lib, filename, size)) == NULL) |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
815 return DMERR_MALLOC; |
0 | 816 |
731
0e164aaa7409
Work on getting the resource subsystem working again ..
Matti Hamalainen <ccr@tnsp.org>
parents:
730
diff
changeset
|
817 handle->flags = DMF_LOADED_RAW | DMF_UNALLOCATED; |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
818 handle->fops = &dfMemIOFileOps; |
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
819 handle->rawData = buf; |
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
820 dmResourceInsert(lib, handle); |
0 | 821 } |
822 | |
823 // Increase refcount | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
824 dmResourceRef(handle); |
732 | 825 dmfreset(handle); |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
826 return DMERR_OK; |
0 | 827 } |
828 | |
829 | |
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
830 #ifdef DM_USE_STDIO |
730
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831 int dmf_create_stdio(const char *filename, const char *mode, DMResource **phandle) |
0 | 832 { |
730
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833 DMResource *handle; |
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834 if ((*phandle = handle = dmResourceNew(NULL, filename, 0)) == NULL) |
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835 return DMERR_MALLOC; |
0 | 836 |
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837 handle->fops = &dfStdioFileOps; |
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838 handle->fh = fopen(filename, mode); |
0 | 839 handle->error = dmGetErrno(); |
840 | |
730
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841 if (handle->fh == NULL) |
0 | 842 { |
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843 dmResourceFree(handle); |
730
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844 return handle->error; |
0 | 845 } |
730
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846 |
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847 dmResourceRef(handle); |
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848 return DMERR_OK; |
0 | 849 } |
850 | |
851 | |
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852 int dmf_create_stdio_stream(FILE *fh, DMResource **phandle) |
0 | 853 { |
730
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854 DMResource *handle; |
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855 if ((*phandle = handle = dmResourceNew(NULL, "", 0)) == NULL) |
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856 return DMERR_MALLOC; |
0 | 857 |
858 handle->fops = &dfStdioFHOps; | |
721
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859 handle->fh = fh; |
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|
860 dmResourceRef(handle); |
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861 return DMERR_OK; |
0 | 862 } |
863 #endif | |
864 | |
865 | |
866 void dmf_close(DMResource * f) | |
867 { | |
868 if (f == NULL) | |
869 return; | |
870 | |
871 if (f->fops->fclose != NULL) | |
872 f->fops->fclose(f); | |
873 | |
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874 dmResourceUnref(f); |
0 | 875 } |
876 | |
877 | |
732 | 878 int dmfreset(DMResource *f) |
879 { | |
880 if (f == NULL) | |
881 return DMERR_NULLPTR; | |
882 | |
883 if (f->fops == NULL || f->fops->freset == NULL) | |
884 return DMERR_OK; | |
885 | |
886 return f->fops->freset(f); | |
887 } | |
888 | |
0 | 889 int dmferror(DMResource * f) |
890 { | |
891 f->atime = time(NULL); | |
892 return f->fops->ferror(f); | |
893 } | |
894 | |
895 int dmfseek(DMResource * f, off_t offset, int whence) | |
896 { | |
897 f->atime = time(NULL); | |
898 return f->fops->fseek(f, offset, whence); | |
899 } | |
900 | |
901 off_t dmfsize(DMResource * f) | |
902 { | |
903 f->atime = time(NULL); | |
904 return f->fops->fsize(f); | |
905 } | |
906 | |
907 off_t dmftell(DMResource * f) | |
908 { | |
909 f->atime = time(NULL); | |
910 return f->fops->ftell(f); | |
911 } | |
912 | |
913 BOOL dmfeof(DMResource * f) | |
914 { | |
915 f->atime = time(NULL); | |
916 return f->fops->feof(f); | |
917 } | |
918 | |
919 int dmfgetc(DMResource * f) | |
920 { | |
921 f->atime = time(NULL); | |
922 return f->fops->fgetc(f); | |
923 } | |
924 | |
74
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Add file mode to dmf_create_stdio().
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925 int dmfputc(int v, DMResource * f) |
72
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926 { |
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927 f->atime = time(NULL); |
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928 return f->fops->fputc(v, f); |
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929 } |
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930 |
0 | 931 size_t dmfread(void *ptr, size_t size, size_t nmemb, DMResource * f) |
932 { | |
933 f->atime = time(NULL); | |
934 return f->fops->fread(ptr, size, nmemb, f); | |
935 } | |
936 | |
72
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937 size_t dmfwrite(void *ptr, size_t size, size_t nmemb, DMResource * f) |
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938 { |
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939 f->atime = time(NULL); |
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940 return f->fops->fwrite(ptr, size, nmemb, f); |
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941 } |
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942 |
235 | 943 char *dmfgets(char *s, int size, DMResource * f) |
944 { | |
945 char *p = s, c; | |
946 int n = 0; | |
947 | |
948 while ((c = f->fops->fgetc(f)) != EOF) | |
949 { | |
237
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Oops, another silly issue in dmfgets().
Matti Hamalainen <ccr@tnsp.org>
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|
950 n++; |
235 | 951 if (c == '\n') |
952 break; | |
953 else | |
954 if (n < size - 1) | |
955 *p++ = c; | |
956 } | |
957 *p = 0; | |
958 | |
236
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|
959 return (n > 0) ? s : NULL; |
235 | 960 } |
961 | |
962 | |
721
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963 int dmResourceRef(DMResource *node) |
0 | 964 { |
359
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965 if (node->lib != NULL) dmMutexLock(node->lib->mutex); |
27
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|
966 node->atime = time(NULL); |
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|
967 node->refcount++; |
359
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968 if (node->lib != NULL) dmMutexUnlock(node->lib->mutex); |
0 | 969 |
27
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|
970 return node->refcount; |
0 | 971 } |
972 | |
973 | |
721
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|
974 int dmResourceUnref(DMResource *node) |
0 | 975 { |
359
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976 if (node->lib != NULL) dmMutexLock(node->lib->mutex); |
27
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|
977 node->refcount--; |
359
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|
978 if (node->lib != NULL) dmMutexUnlock(node->lib->mutex); |
0 | 979 |
27
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980 return node->refcount; |
0 | 981 } |
982 | |
983 | |
625
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984 #ifdef DM_USE_STDIO |
727 | 985 static int dmResourcesLoadDirectory(DMResourceLib *lib, const char *path) |
0 | 986 { |
1014
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|
987 int ret = DMERR_OK; |
630 | 988 struct dirent *dh; |
625
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|
989 DIR *hdir = opendir(path); |
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990 if (hdir == NULL) |
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991 return dmGetErrno(); |
0 | 992 |
359
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993 dmMutexLock(lib->mutex); |
0 | 994 |
625
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|
995 do |
0 | 996 { |
625
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|
997 DMResource *node = NULL; |
630 | 998 dh = readdir(hdir); |
999 if (dh != NULL) | |
0 | 1000 { |
625
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1001 struct stat sbuf; |
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1002 char *fname = dm_strdup_printf("%s/%s", path, dh->d_name); |
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1003 if (stat(fname, &sbuf) == -1) |
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1004 { |
1014
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diff
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|
1005 ret = dmError(dmGetErrno(), |
958
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Add error code parameter to dmError() and dmErrorVA().
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|
1006 "Could not stat() %s, #%d: %s\n", |
1014
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1007 fname, ret, dmErrorStr(ret)); |
625
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|
1008 dmFree(fname); |
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1009 goto out; |
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1010 } |
0 | 1011 |
625
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1012 if (S_ISREG(sbuf.st_mode)) |
721
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1013 node = dmResourceNew(lib, dh->d_name, sbuf.st_size); |
625
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1014 } |
630 | 1015 |
625
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1016 if (node != NULL) |
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1017 { |
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1018 node->fops = &dfStdioFileOps; |
721
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1019 dmResourceInsert(lib, node); |
625
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1020 } |
630 | 1021 } while (dh != NULL); |
0 | 1022 |
625
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1023 out: |
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1024 dmMutexUnlock(lib->mutex); |
0 | 1025 |
625
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1026 #ifdef __WIN32 |
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1027 #else |
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1028 closedir(hdir); |
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1029 #endif |
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1030 |
1014
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1031 return ret; |
0 | 1032 } |
625
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1033 #endif |
0 | 1034 |
1035 | |
1036 /* Resources subsystem initialization and shutdown routines | |
1037 */ | |
721
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|
1038 int dmResourcesInit(DMResourceLib **plib, const char *filename, const char *path, const int flags, int (*classifier)(DMResource *)) |
0 | 1039 { |
359
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1040 DMResourceLib *lib; |
625
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1041 BOOL initialized = FALSE; |
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1042 |
359
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1043 // Allocate the resource library structure |
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1044 if ((*plib = lib = dmMalloc0(sizeof(DMResourceLib))) == NULL) |
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1045 return DMERR_MALLOC; |
0 | 1046 |
359
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1047 // Basic data |
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1048 lib->mutex = dmCreateMutex(); |
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1049 lib->flags = flags; |
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1050 lib->resPath = dm_strdup((path != NULL) ? path : DMRES_DATA_PATH); |
0 | 1051 |
107 | 1052 |
625
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|
1053 #ifdef DM_USE_PACKFS |
734 | 1054 if (flags & DRF_USE_PACK) |
0 | 1055 { |
1056 int ret; | |
1057 DMPackEntry *node; | |
1058 | |
359
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1059 lib->packFilename = dm_strdup((filename != NULL) ? filename : DMRES_DATA_PACK); |
0 | 1060 |
1061 // Initialize PACK, open as read-only | |
721
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|
1062 ret = dmPackOpen(lib->packFilename, &lib->packFile, TRUE); |
0 | 1063 if (ret != DMERR_OK) |
1064 { | |
625
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1065 if ((flags & DRF_USE_STDIO) == 0) |
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|
1066 { |
958
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|
1067 return dmError(DMERR_INIT_FAIL, |
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|
1068 "Error opening PACK file '%s', #%d: %s\n", |
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|
1069 lib->packFilename, ret, dmErrorStr(ret)); |
0 | 1070 } |
734 | 1071 else |
958
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|
1072 { |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1073 // Non-fatal |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1074 dmError(DMERR_INIT_FAIL, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1075 "Failed to open PACK, falling back to STDIO, '%s' %d: %s\n", |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1076 lib->packFilename, ret, dmErrorStr(ret)); |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1077 } |
0 | 1078 } |
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1079 else |
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1080 { |
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1081 // Initialize resources from a PACK file |
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More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1082 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
|
1083 { |
721
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Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1084 DMResource *res = dmResourceNew(lib, node->filename, node->size); |
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1085 if (res == NULL) |
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1086 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1087 return dmError(DMERR_INIT_FAIL, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1088 "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
|
1089 node->filename, node->flags, node->size); |
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1090 } |
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1091 |
736
ea42faa02a9a
Set packfile fileops in the appropriate handles.
Matti Hamalainen <ccr@tnsp.org>
parents:
734
diff
changeset
|
1092 res->fops = &dfPackFileOps; |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1093 dmResourceInsert(lib, res); |
625
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1094 } |
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1095 |
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1096 initialized = TRUE; |
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1097 } |
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1098 } |
0 | 1099 #endif |
625
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1100 |
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1101 #ifdef DM_USE_STDIO |
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1102 if (!initialized && (flags & DRF_USE_STDIO)) |
0 | 1103 { |
1104 // Initialize resources from a resource directory | |
727 | 1105 int ret = dmResourcesLoadDirectory(lib, lib->resPath); |
0 | 1106 if (ret != DMERR_OK) |
625
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Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
1107 return ret; |
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diff
changeset
|
1108 initialized = TRUE; |
0 | 1109 } |
625
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parents:
613
diff
changeset
|
1110 #endif |
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613
diff
changeset
|
1111 |
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613
diff
changeset
|
1112 if (!initialized) |
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1113 return DMERR_INIT_FAIL; |
0 | 1114 |
26
2f463a59d732
Implement rudimentary resource system.
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4
diff
changeset
|
1115 // Okay, classify resources |
359
59045853853d
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diff
changeset
|
1116 if (lib->resources != NULL && classifier != NULL) |
26
2f463a59d732
Implement rudimentary resource system.
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parents:
4
diff
changeset
|
1117 { |
2f463a59d732
Implement rudimentary resource system.
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parents:
4
diff
changeset
|
1118 DMResource *node; |
359
59045853853d
Make resource management re-entrant.
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237
diff
changeset
|
1119 for (node = lib->resources; node != NULL; node = node->next) |
26
2f463a59d732
Implement rudimentary resource system.
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parents:
4
diff
changeset
|
1120 { |
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1121 int ret = classifier(node); |
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1122 if (ret != DMERR_OK) |
107 | 1123 return ret; |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1124 } |
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1125 } |
0 | 1126 |
1127 // Initialization complete | |
1128 return DMERR_OK; | |
1129 } | |
1130 | |
1131 | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1132 int dmResourcesClose(DMResourceLib *lib) |
0 | 1133 { |
1134 DMResource *node; | |
359
59045853853d
Make resource management re-entrant.
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237
diff
changeset
|
1135 |
59045853853d
Make resource management re-entrant.
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diff
changeset
|
1136 if (lib == NULL) |
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
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237
diff
changeset
|
1137 return DMERR_NULLPTR; |
59045853853d
Make resource management re-entrant.
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237
diff
changeset
|
1138 |
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
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237
diff
changeset
|
1139 dmMutexLock(lib->mutex); |
0 | 1140 |
1141 // Shutdown possible subsystems | |
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
1142 #ifdef DM_USE_PACKFS |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1143 if (lib->flags & DRF_USE_PACK) |
0 | 1144 { |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
1145 int ret = dmPackClose(lib->packFile); |
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
1146 if (ret != DMERR_OK) |
0 | 1147 { |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
1148 dmError(ret, "Error closing PACK, #%i: %s\n", |
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
1149 ret, dmErrorStr(ret)); |
0 | 1150 } |
1151 | |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1152 dmFree(lib->packFilename); |
0 | 1153 } |
1154 #endif | |
1155 | |
1156 // Free resource entries | |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1157 node = lib->resources; |
0 | 1158 while (node != NULL) |
1159 { | |
1160 DMResource *next = node->next; | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1161 dmResourceFree(node); |
0 | 1162 node = next; |
1163 } | |
1164 | |
1165 // Etc. | |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1166 dmFree(lib->resPath); |
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1167 dmMutexUnlock(lib->mutex); |
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1168 dmDestroyMutex(lib->mutex); |
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1169 return DMERR_OK; |
0 | 1170 } |
1171 | |
1172 | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1173 int dmResourcesPreload(DMResourceLib *lib, BOOL start, int *loaded, int *total) |
0 | 1174 { |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1175 int ret = DMERR_OK; |
0 | 1176 |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1177 dmMutexLock(lib->mutex); |
0 | 1178 |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1179 // Initialize preloading |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1180 if (lib->preload == NULL || start) |
0 | 1181 { |
1182 DMResource *node; | |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1183 |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1184 lib->preload = lib->resources; |
0 | 1185 *loaded = 0; |
1186 *total = 0; | |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1187 |
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1188 // Calculate total number of resources to be preloaded |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1189 if (lib->flags & (DRF_PRELOAD_RAW | DRF_PRELOAD_RES)) |
0 | 1190 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1191 for (node = lib->resources; node != NULL; node = node->next) |
0 | 1192 (*total)++; |
1193 } | |
1194 } | |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1195 else |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1196 if (lib->preload != NULL) |
0 | 1197 { |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
1198 // Attempt to preload the resource |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
1199 if ((ret = dmResourcePreload(lib->preload)) != DMERR_OK) |
628
0533f94e843b
Add error message to failed preloading.
Matti Hamalainen <ccr@tnsp.org>
parents:
627
diff
changeset
|
1200 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1201 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
|
1202 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
|
1203 goto error; |
628
0533f94e843b
Add error message to failed preloading.
Matti Hamalainen <ccr@tnsp.org>
parents:
627
diff
changeset
|
1204 } |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1205 |
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
|
1206 (*loaded)++; |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1207 lib->preload = lib->preload->next; |
0 | 1208 } |
1209 | |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1210 dmMutexUnlock(lib->mutex); |
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
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237
diff
changeset
|
1211 return (lib->preload == NULL) ? DMERR_OK : DMERR_PROGRESS; |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1212 |
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1213 error: |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1214 dmMutexUnlock(lib->mutex); |
26
2f463a59d732
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1215 return ret; |
0 | 1216 } |
1217 | |
1218 | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1219 void dmResourcePrune(DMResourceLib *lib, const int agems, int const flags) |
0 | 1220 { |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1221 DMResource *node; |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1222 const int stamp = time(NULL); |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1223 dmMutexLock(lib->mutex); |
0 | 1224 |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1225 for (node = lib->resources; node != NULL; node = node->next) |
0 | 1226 { |
1227 // Check if node has refcount of 0 and is | |
1228 // not marked as persistent resource | |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1229 if (node->refcount == 0 && |
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1230 (node->flags & DMF_PERSIST) == 0 && |
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1231 (node->flags & (DMF_LOADED_RES | DMF_LOADED_RAW))) |
0 | 1232 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1233 if (((flags & DMPRUNE_ATIME) && stamp - node->atime >= agems) || |
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1234 ((flags & DMPRUNE_MTIME) && stamp - node->mtime >= agems)) |
0 | 1235 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1236 dmResourceFreeResData(node); |
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1237 dmResourceFreeRawData(node); |
0 | 1238 } |
1239 } | |
1240 } | |
1241 | |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1242 dmMutexUnlock(lib->mutex); |
0 | 1243 } |
1244 | |
1245 | |
1246 /* Helper resource access routines | |
1247 */ | |
553
b60220fd1669
s/Uint8/void/ in dmf_{read,write}_str().
Matti Hamalainen <ccr@tnsp.org>
parents:
439
diff
changeset
|
1248 int dmf_read_str(DMResource *f, void *s, size_t l) |
0 | 1249 { |
553
b60220fd1669
s/Uint8/void/ in dmf_{read,write}_str().
Matti Hamalainen <ccr@tnsp.org>
parents:
439
diff
changeset
|
1250 return dmfread(s, 1, l, f) == l; |
0 | 1251 } |
1252 | |
437
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1253 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
|
1254 { |
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1255 int tmp = dmfgetc(f); |
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1256 *val = tmp; |
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1257 return tmp != EOF; |
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1258 } |
0 | 1259 |
1260 #define DM_DEFINE_FUNC(xname, xtype, xmacro) \ | |
1261 BOOL dmf_read_ ## xname (DMResource *f, xtype *v) { \ | |
1262 xtype result; \ | |
1263 if (dmfread(&result, sizeof( xtype ), 1, f) != 1) \ | |
1264 return FALSE; \ | |
1265 *v = DM_ ## xmacro ## _TO_NATIVE (result); \ | |
1266 return TRUE; \ | |
1267 } | |
1268 | |
1269 DM_DEFINE_FUNC(le16, Uint16, LE16) | |
1270 DM_DEFINE_FUNC(le32, Uint32, LE32) | |
1271 | |
1272 DM_DEFINE_FUNC(be16, Uint16, BE16) | |
1273 DM_DEFINE_FUNC(be32, Uint32, BE32) | |
1274 | |
1275 DM_DEFINE_FUNC(le64, Uint64, LE64) | |
1276 DM_DEFINE_FUNC(be64, Uint64, BE64) |