Mercurial > hg > dmlib
annotate src/dmres.c @ 1044:1ec6ae223941
Sanitize resource data freeing.
author | Matti Hamalainen <ccr@tnsp.org> |
---|---|
date | Sun, 01 Mar 2015 17:47:35 +0200 |
parents | d0f80f6a0c65 |
children | 1f37239172ad |
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, const int flags) |
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; |
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35 node->flags = flags; |
1041 | 36 |
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37 return node; |
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38 } |
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39 |
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40 |
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41 void dmResourceFreeResData(DMResource *node) |
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42 { |
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43 if (node->resData != NULL) |
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44 { |
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45 if (node->rops != NULL && |
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46 node->rops->free != NULL) |
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47 node->rops->free(node); |
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48 else |
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49 dmFree(node->resData); |
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50 node->resData = NULL; |
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51 } |
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52 node->flags &= ~DMF_LOADED_RES; |
0 | 53 } |
54 | |
55 | |
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56 void dmResourceFreeRawData(DMResource *node) |
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57 { |
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58 if ((node->flags & DMF_UNALLOCATED) == 0) |
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59 { |
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60 dmFree(node->rawData); |
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61 node->rawData = NULL; |
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62 node->flags &= ~DMF_LOADED_RAW; |
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63 } |
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64 } |
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65 |
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66 |
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67 void dmResourceFree(DMResource *node) |
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68 { |
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69 if (node != NULL) |
0 | 70 { |
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71 dmResourceFreeResData(node); |
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72 dmResourceFreeRawData(node); |
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73 dmFree(node->filename); |
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74 dmFree(node); |
0 | 75 } |
76 } | |
77 | |
78 | |
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79 void dmResourceInsert(DMResourceLib *lib, DMResource * node) |
0 | 80 { |
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81 if (lib == NULL || node == NULL) |
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82 return; |
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83 |
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84 node->lib = lib; |
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85 |
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86 if (lib->resources != NULL) |
0 | 87 { |
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88 node->prev = lib->resources->prev; |
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89 lib->resources->prev->next = node; |
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90 lib->resources->prev = node; |
0 | 91 } |
92 else | |
93 { | |
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94 lib->resources = node->prev = node; |
0 | 95 } |
96 | |
97 node->next = NULL; | |
98 } | |
99 | |
100 | |
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101 void dmResourceDelete(DMResourceLib *lib, DMResource * node) |
0 | 102 { |
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103 if (lib == NULL) |
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104 return; |
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105 |
0 | 106 if (node->prev) |
107 node->prev->next = node->next; | |
108 | |
109 if (node->next) | |
110 node->next->prev = node->prev; | |
111 else | |
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112 lib->resources->prev = node->prev; |
0 | 113 |
114 node->prev = node->next = NULL; | |
115 } | |
116 | |
117 | |
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118 DMResource * dmResourceFind(DMResourceLib *lib, const char *filename) |
0 | 119 { |
120 DMResource *node, *found = NULL; | |
121 | |
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122 if (lib == NULL) |
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123 return NULL; |
0 | 124 |
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125 dmMutexLock(lib->mutex); |
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126 |
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127 for (node = lib->resources; node != NULL; node = node->next) |
0 | 128 { |
129 if (strcmp(node->filename, filename) == 0) | |
130 { | |
131 found = node; | |
132 break; | |
133 } | |
134 } | |
135 | |
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136 dmMutexUnlock(lib->mutex); |
0 | 137 |
138 return found; | |
139 } | |
140 | |
141 | |
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142 #ifdef DM_USE_STDIO |
0 | 143 /* Basic stdio file routines |
144 */ | |
145 static int dm_stdio_fopen(DMResource *handle) | |
146 { | |
147 char *rfilename = dm_strdup_printf("%s%s", DMRES_DATA_PATH, handle->filename); | |
148 if (rfilename == NULL) | |
149 return DMERR_MALLOC; | |
150 | |
151 handle->fh = fopen(rfilename, "rb"); | |
152 dmFree(rfilename); | |
153 | |
154 handle->error = dmGetErrno(); | |
155 return (handle->fh != NULL) ? DMERR_OK : DMERR_FOPEN; | |
156 } | |
157 | |
158 | |
159 static void dm_stdio_fclose(DMResource * f) | |
160 { | |
161 if (f->fh != NULL) | |
162 { | |
163 fclose(f->fh); | |
164 f->fh = NULL; | |
165 } | |
166 } | |
167 | |
168 | |
169 static int dm_stdio_ferror(DMResource * f) | |
170 { | |
171 return f->error; | |
172 } | |
173 | |
174 | |
1036 | 175 static Sint64 dm_stdio_ftell(DMResource * f) |
0 | 176 { |
1036 | 177 return DM_FTELL64(f->fh); |
178 } | |
179 | |
180 | |
181 static int dm_stdio_fseek(DMResource *f, const Sint64 pos, const int whence) | |
182 { | |
183 int ret = DM_FSEEK64(f->fh, pos, whence); | |
0 | 184 f->error = dmGetErrno(); |
185 return ret; | |
186 } | |
187 | |
188 | |
732 | 189 static int dm_stdio_freset(DMResource * f) |
190 { | |
191 if (f->fh != NULL) | |
1036 | 192 return dm_stdio_fseek(f, 0, SEEK_SET); |
732 | 193 else |
194 return DMERR_OK; | |
195 } | |
196 | |
197 | |
0 | 198 static off_t dm_stdio_fsize(DMResource *f) |
199 { | |
200 off_t savePos, fileSize; | |
201 | |
202 // Check if the size is cached | |
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203 if (f->rawSize != 0) |
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204 return f->rawSize; |
0 | 205 |
206 // Get file size | |
1036 | 207 savePos = dm_stdio_ftell(f); |
208 if (dm_stdio_fseek(f, 0, SEEK_END) != 0) | |
0 | 209 return -1; |
210 | |
1036 | 211 fileSize = dm_stdio_ftell(f); |
212 if (dm_stdio_fseek(f, savePos, SEEK_SET) != 0) | |
0 | 213 return -1; |
214 | |
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215 f->rawSize = fileSize; |
0 | 216 return fileSize; |
217 } | |
218 | |
219 | |
220 static BOOL dm_stdio_feof(DMResource * f) | |
221 { | |
222 return feof(f->fh); | |
223 } | |
224 | |
225 | |
226 static int dm_stdio_fgetc(DMResource * f) | |
227 { | |
228 int ret = fgetc(f->fh); | |
229 f->error = dmGetErrno(); | |
230 return ret; | |
231 } | |
232 | |
233 | |
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234 static int dm_stdio_fputc(int v, DMResource * f) |
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235 { |
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236 int ret = fputc(v, f->fh); |
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237 f->error = dmGetErrno(); |
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238 return ret; |
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239 } |
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240 |
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241 |
0 | 242 static size_t dm_stdio_fread(void *ptr, size_t size, size_t nmemb, DMResource * f) |
243 { | |
244 size_t ret = fread(ptr, size, nmemb, f->fh); | |
245 f->error = dmGetErrno(); | |
246 return ret; | |
247 } | |
248 | |
249 | |
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250 static size_t dm_stdio_fwrite(void *ptr, size_t size, size_t nmemb, DMResource * f) |
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251 { |
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252 size_t ret = fwrite(ptr, size, nmemb, f->fh); |
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253 f->error = dmGetErrno(); |
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254 return ret; |
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255 } |
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256 |
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257 |
0 | 258 static int dm_stdio_preload(DMResource *handle) |
259 { | |
260 int ret = dm_stdio_fopen(handle); | |
261 if (ret != DMERR_OK) | |
262 return ret; | |
263 | |
264 dm_stdio_fsize(handle); | |
265 | |
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266 handle->rawData = dmMalloc(handle->rawSize); |
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267 if (handle->rawData == NULL) |
0 | 268 return DMERR_MALLOC; |
269 | |
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parents:
630
diff
changeset
|
270 if (dm_stdio_fread(handle->rawData, sizeof(Uint8), handle->rawSize, handle) != handle->rawSize) |
0 | 271 return DMERR_FREAD; |
272 | |
273 return DMERR_OK; | |
274 } | |
275 | |
276 | |
277 DMResourceOps dfStdioFileOps = | |
278 { | |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
279 "Stdio", |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
280 |
732 | 281 dm_stdio_freset, |
0 | 282 dm_stdio_ferror, |
283 dm_stdio_fseek, | |
284 dm_stdio_fsize, | |
285 dm_stdio_ftell, | |
286 dm_stdio_feof, | |
287 dm_stdio_fgetc, | |
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
288 dm_stdio_fputc, |
0 | 289 dm_stdio_fread, |
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
290 dm_stdio_fwrite, |
0 | 291 |
292 dm_stdio_fopen, | |
293 dm_stdio_fclose, | |
294 dm_stdio_preload | |
295 }; | |
296 | |
297 DMResourceOps dfStdioFHOps = | |
298 { | |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
299 "StdioFH", |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
300 |
732 | 301 dm_stdio_freset, |
0 | 302 dm_stdio_ferror, |
303 dm_stdio_fseek, | |
304 dm_stdio_fsize, | |
305 dm_stdio_ftell, | |
306 dm_stdio_feof, | |
307 dm_stdio_fgetc, | |
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
308 dm_stdio_fputc, |
0 | 309 dm_stdio_fread, |
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
310 dm_stdio_fwrite, |
0 | 311 |
312 NULL, | |
313 NULL, | |
314 NULL | |
315 }; | |
316 #endif | |
317 | |
318 | |
319 // Some mingw/windows headers define these as macros, which is bad for us | |
320 #ifdef __WIN32 | |
321 #undef ferror | |
322 #undef feof | |
323 #endif | |
324 | |
325 | |
326 /* | |
327 * PACK file routines | |
328 */ | |
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
329 #ifdef DM_USE_PACKFS |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
330 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
331 #ifdef DM_USE_ZLIB |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
332 |
995
aeafd6d44465
Move and rename a constant define.
Matti Hamalainen <ccr@tnsp.org>
parents:
993
diff
changeset
|
333 #define DMRES_TMPBUF_SIZE (128 * 1024) |
aeafd6d44465
Move and rename a constant define.
Matti Hamalainen <ccr@tnsp.org>
parents:
993
diff
changeset
|
334 |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
335 static int dm_pack_decompress(DMResource *handle, DMPackEntry *node) |
0 | 336 { |
337 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
|
338 Uint8 * cbuffer = NULL; |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
339 z_stream zstr; |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
340 BOOL zinit = FALSE; |
0 | 341 |
342 // Allocate a structures and buffers | |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
343 if ((cbuffer = dmMalloc(DMRES_TMPBUF_SIZE)) == NULL) |
0 | 344 { |
345 res = DMERR_MALLOC; | |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
346 goto out; |
0 | 347 } |
348 | |
349 // Initialize decompression | |
1038 | 350 memset(&zstr, 0, sizeof(zstr)); |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
351 zstr.next_out = handle->rawData; |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
352 zstr.avail_out = handle->rawSize; |
0 | 353 cdataLeft = node->length; |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
354 |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
355 if (inflateInit(&zstr) != Z_OK) |
0 | 356 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
357 res = dmError(DMERR_INIT_FAIL, |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
358 "Could not initialize zlib stream decompression.\n"); |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
359 goto out; |
0 | 360 } |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
361 zinit = TRUE; |
0 | 362 |
363 // Uncompress the data | |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
364 while (cdataLeft > 0 && zstr.avail_out > 0 && cres == Z_OK) |
0 | 365 { |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
366 zstr.avail_in = fread( |
0 | 367 cbuffer, sizeof(Uint8), |
995
aeafd6d44465
Move and rename a constant define.
Matti Hamalainen <ccr@tnsp.org>
parents:
993
diff
changeset
|
368 (cdataLeft >= DMRES_TMPBUF_SIZE) ? DMRES_TMPBUF_SIZE : cdataLeft, |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
369 handle->lib->packFile->file); |
0 | 370 |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
371 cdataLeft -= zstr.avail_in; |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
372 zstr.next_in = cbuffer; |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
373 cres = inflate(&zstr, Z_FULL_FLUSH); |
0 | 374 } |
375 | |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
376 |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
377 out: |
0 | 378 // Cleanup |
1015
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
379 if (zinit) |
5101766dd95c
Error handling consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1014
diff
changeset
|
380 inflateEnd(&zstr); |
0 | 381 |
382 dmFree(cbuffer); | |
383 return res; | |
384 } | |
385 | |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
386 #else |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
387 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
388 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
|
389 { |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
390 DMZLibContext ctx; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
391 Uint8 *inBuf = NULL; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
392 int ret; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
393 |
1016 | 394 // Allocate buuffer for compressed data |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
395 if ((inBuf = dmMalloc(node->length)) == NULL) |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
396 { |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
397 ret = DMERR_MALLOC; |
1010 | 398 goto out; |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
399 } |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
400 |
1016 | 401 // Read compressed data |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
402 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
|
403 { |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
404 ret = DMERR_FREAD; |
1010 | 405 goto out; |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
406 } |
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 { |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
409 } |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
410 |
1016 | 411 // Initialize decompression structures |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
412 ctx.zbuffer = inBuf; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
413 ctx.zbufferEnd = inBuf + node->length; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
414 |
1017
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
415 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
|
416 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
|
417 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
|
418 |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
419 // Attempt decompression |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
420 if ((ret = dmZLibParseHeader(&ctx, TRUE)) != DMERR_OK) |
1010 | 421 goto out; |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
422 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
423 if ((ret = dmZLibDecode(&ctx)) != DMERR_OK) |
1010 | 424 goto out; |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
425 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
426 handle->rawData = ctx.zoutStart; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
427 handle->rawSize = ctx.zout - ctx.zoutStart; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
428 |
1017
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
429 out: |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
430 dmFree(inBuf); |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
431 return ret; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
432 } |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
433 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
434 #endif |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
435 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
436 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
437 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
|
438 { |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
439 DMPackEntry *node; |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
440 int ret = DMERR_OK; |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
441 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
442 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
|
443 return DMERR_NULLPTR; |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
444 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
445 // Search PACK nodelist for file |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
446 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
|
447 { |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
448 ret = dmError(DMERR_NOT_FOUND, |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
449 "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
|
450 handle->filename); |
1010 | 451 goto out; |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
452 } |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
453 |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
454 // Seek to entry |
1036 | 455 if (DM_FSEEK64(handle->lib->packFile->file, node->offset, SEEK_SET) == -1) |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
456 { |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
457 ret = dmError(DMERR_FSEEK, |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
458 "Could not seek node position in PACK file.\n"); |
1010 | 459 goto out; |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
460 } |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
461 |
1017
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
462 // 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
|
463 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
|
464 { |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
465 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
|
466 "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
|
467 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
|
468 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
|
469 } |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
470 |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
471 // 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
|
472 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
|
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 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
|
475 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
|
476 |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
477 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
|
478 { |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
479 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
|
480 "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
|
481 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
|
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 } |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
484 else |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
485 { |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
486 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
|
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 ret = dmError(DMERR_INVALID_DATA, |
1040
ebabf5aefb76
Work on resource handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1038
diff
changeset
|
489 "Node '%s' raw size and length fields differ for uncompressed node: %d <> %d.\n", |
ebabf5aefb76
Work on resource handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1038
diff
changeset
|
490 handle->filename, node->size, node->length); |
1017
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
491 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
|
492 } |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
493 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
|
494 { |
6436d80ae0fc
Add DMF_COMPRESSED flag for resource nodes and support for raw data nodes.
Matti Hamalainen <ccr@tnsp.org>
parents:
1016
diff
changeset
|
495 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
|
496 "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
|
497 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
|
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 } |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
500 |
1010 | 501 out: |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
502 return ret; |
993
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
503 } |
5bcd219ddde3
Some work towards dmzlib decompression support for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
989
diff
changeset
|
504 |
0 | 505 |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
506 static int dm_pack_fopen(DMResource * f) |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
507 { |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
508 if ((f->flags & DMF_LOADED_RAW) == 0) |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
509 { |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
510 int ret = dm_pack_preload(f); |
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
511 if (ret == DMERR_OK) |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
512 f->flags |= DMF_LOADED_RAW; |
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 return ret; |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
515 } |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
516 else |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
517 return DMERR_OK; |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
518 } |
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 |
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
521 static void dm_pack_fclose(DMResource * f) |
0 | 522 { |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
523 if ((f->flags & DMF_PERSIST) == 0) |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
524 dmResourceFreeRawData(f); |
0 | 525 } |
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
526 #endif |
0 | 527 |
528 | |
732 | 529 static int dm_mem_freset(DMResource * f) |
530 { | |
531 f->rawOffset = 0; | |
532 return DMERR_OK; | |
533 } | |
534 | |
535 | |
0 | 536 static int dm_mem_ferror(DMResource * f) |
537 { | |
538 return f->error; | |
539 } | |
540 | |
541 | |
1036 | 542 static int dm_mem_fseek(DMResource * f, const Sint64 offset, const int whence) |
0 | 543 { |
544 off_t newPos; | |
545 | |
546 // Calculate the new position | |
547 switch (whence) | |
548 { | |
549 case SEEK_SET: | |
550 newPos = offset; | |
551 break; | |
552 | |
553 case SEEK_CUR: | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
554 newPos = f->rawOffset + offset; |
0 | 555 break; |
556 | |
557 case SEEK_END: | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
558 newPos = f->rawSize + offset; |
0 | 559 break; |
560 | |
561 default: | |
562 return -1; | |
563 } | |
564 | |
565 // Set the new position | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
566 f->rawOffset = newPos; |
0 | 567 |
568 // Check the new position | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
569 if (newPos < 0 && (size_t) newPos >= f->rawSize) |
0 | 570 return -1; |
571 | |
572 return 0; | |
573 } | |
574 | |
575 | |
576 static off_t dm_mem_fsize(DMResource * f) | |
577 { | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
578 return f->rawSize; |
0 | 579 } |
580 | |
581 | |
1036 | 582 static Sint64 dm_mem_ftell(DMResource * f) |
0 | 583 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
584 return f->rawOffset; |
0 | 585 } |
586 | |
587 | |
588 static BOOL dm_mem_feof(DMResource * f) | |
589 { | |
590 // Check for EOF | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
591 if ((size_t) f->rawOffset <= f->rawSize) |
0 | 592 return FALSE; |
593 else | |
594 return TRUE; | |
595 } | |
596 | |
597 | |
598 static int dm_mem_fgetc(DMResource * f) | |
599 { | |
600 // Check for EOF | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
601 if ((size_t) f->rawOffset < f->rawSize) |
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
602 return f->rawData[f->rawOffset++]; |
0 | 603 else |
604 return EOF; | |
605 } | |
606 | |
607 | |
608 static size_t dm_mem_fread(void *buf, size_t size, size_t nmemb, DMResource * f) | |
609 { | |
610 size_t length = (size * nmemb); | |
611 | |
612 // 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
|
613 if (((size_t) f->rawOffset + length) >= f->rawSize) |
0 | 614 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
615 nmemb = (f->rawSize - f->rawOffset) / size; |
0 | 616 length = size * nmemb; |
617 } | |
618 | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
619 memcpy(buf, f->rawData + f->rawOffset, length); |
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
620 f->rawOffset += length; |
0 | 621 return nmemb; |
622 } | |
623 | |
624 | |
439
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
625 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
|
626 { |
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
627 // Check for EOF |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
628 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
|
629 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
630 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
|
631 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
|
632 } |
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 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
|
634 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
|
635 } |
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
636 |
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
Matti Hamalainen <ccr@tnsp.org>
parents:
437
diff
changeset
|
637 |
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 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
|
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 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
|
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 // 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
|
643 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
|
644 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
645 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
|
646 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
|
647 } |
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 |
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
|
649 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
|
650 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
651 memcpy(f->rawData + f->rawOffset, buf, length); |
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
652 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
|
653 } |
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 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
|
655 } |
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
|
656 |
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 |
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
658 #ifdef DM_USE_PACKFS |
0 | 659 DMResourceOps dfPackFileOps = |
660 { | |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
661 "PackFS", |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
662 |
732 | 663 dm_mem_freset, |
0 | 664 dm_mem_ferror, |
665 dm_mem_fseek, | |
666 dm_mem_fsize, | |
667 dm_mem_ftell, | |
668 dm_mem_feof, | |
669 dm_mem_fgetc, | |
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
670 NULL, |
0 | 671 dm_mem_fread, |
59
c560703e85ed
Add resource writing functions (only work for stdio backend)
Matti Hamalainen <ccr@tnsp.org>
parents:
33
diff
changeset
|
672 NULL, |
0 | 673 |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
674 dm_pack_fopen, |
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
675 dm_pack_fclose, |
732 | 676 dm_pack_preload, |
0 | 677 }; |
166
112eb95f2fba
Improve build system granularity.
Matti Hamalainen <ccr@tnsp.org>
parents:
124
diff
changeset
|
678 #endif |
0 | 679 |
680 | |
681 DMResourceOps dfMemIOFileOps = | |
682 { | |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
683 "MemIO", |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
684 |
732 | 685 dm_mem_freset, |
0 | 686 dm_mem_ferror, |
687 dm_mem_fseek, | |
688 dm_mem_fsize, | |
689 dm_mem_ftell, | |
690 dm_mem_feof, | |
691 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
|
692 dm_mem_fputc, |
0 | 693 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
|
694 dm_mem_fwrite, |
0 | 695 |
696 NULL, | |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
697 dmResourceFree, |
0 | 698 NULL |
699 }; | |
700 | |
701 | |
702 /* FS file handling functions. These functions call the actual | |
703 * functions depending on where the file is located. | |
704 */ | |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
705 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
|
706 { |
733 | 707 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
|
708 |
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
|
709 // 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
|
710 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
|
711 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
|
712 { |
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
713 if (handle->flags & DMF_LOADED_RAW) |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
714 ret = DMERR_OK; |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
715 else |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
716 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
|
717 { |
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
718 ret = handle->fops->preload(handle); |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
719 if (ret == DMERR_OK) |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
720 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
|
721 } |
733 | 722 else |
723 ret = DMERR_INIT_FAIL; | |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
724 |
732 | 725 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
|
726 } |
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
727 |
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
|
728 // 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
|
729 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
|
730 { |
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
731 if (handle->flags & DMF_LOADED_RES) |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
732 ret = DMERR_OK; |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
733 else |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
734 if (handle->rops != NULL && |
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
735 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
|
736 { |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
737 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
|
738 { |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
739 ret = handle->rops->load(handle); |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
740 handle->fops->fclose(handle); |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
741 } |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
742 |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
743 if (ret == DMERR_OK) |
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
744 handle->flags |= DMF_LOADED_RES; |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
745 } |
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
|
746 |
732 | 747 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
|
748 } |
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
|
749 |
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 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
|
751 } |
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 |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
754 int dmf_open(DMResourceLib *lib, const char *filename, DMResource **phandle) |
0 | 755 { |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
756 DMResource *handle; |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
757 int ret; |
0 | 758 |
759 // Check master directory for resource | |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
760 if ((*phandle = handle = dmResourceFind(lib, filename)) == NULL) |
0 | 761 { |
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
762 #ifdef DM_USE_STDIO |
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
763 if (lib->flags & DRF_USE_STDIO) |
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
764 { |
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
765 // Hmm.. does not exist? Fall back to a stdio file |
1040
ebabf5aefb76
Work on resource handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1038
diff
changeset
|
766 *phandle = handle = dmResourceNew(lib, filename, 0, 0); |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
767 if (handle == NULL) |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
768 return DMERR_MALLOC; |
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
769 |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
770 handle->fops = &dfStdioFileOps; |
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
771 } |
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
772 else |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
773 return DMERR_INIT_FAIL; |
0 | 774 #else |
775 // Stdio not enabled, fail | |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
776 return DMERR_INIT_FAIL; |
0 | 777 #endif |
778 } | |
779 | |
780 // Check if the data is preloaded | |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
781 if ((ret = handle->fops->fopen(handle)) == DMERR_OK) |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
782 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
783 dmResourceRef(handle); |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
784 if (handle->flags & DMF_TEMPORARY) |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
785 { |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
786 handle->flags &= ~DMF_TEMPORARY; |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
787 dmResourceInsert(lib, handle); |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
788 } |
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 else |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
791 if (handle->flags & DMF_TEMPORARY) |
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:
728
diff
changeset
|
793 dmResourceFree(handle); |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
794 *phandle = handle = NULL; |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
795 } |
0 | 796 |
737
897646df1de1
Handle preloading of resources that do not have rops.
Matti Hamalainen <ccr@tnsp.org>
parents:
736
diff
changeset
|
797 dmfreset(handle); |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
798 return ret; |
0 | 799 } |
800 | |
801 | |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
802 int dmf_create_memio(DMResourceLib *lib, const char *filename, |
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
803 Uint8 *buf, const size_t size, DMResource **phandle) |
0 | 804 { |
805 DMResource *handle; | |
806 | |
807 // Check master directory for resource | |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
808 if ((*phandle = handle = dmResourceFind(lib, filename)) == NULL) |
0 | 809 { |
1040
ebabf5aefb76
Work on resource handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1038
diff
changeset
|
810 if ((*phandle = handle = dmResourceNew( |
ebabf5aefb76
Work on resource handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1038
diff
changeset
|
811 lib, filename, size, DMF_LOADED_RAW | DMF_UNALLOCATED)) == NULL) |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
812 return DMERR_MALLOC; |
0 | 813 |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
814 handle->fops = &dfMemIOFileOps; |
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
815 handle->rawData = buf; |
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
816 dmResourceInsert(lib, handle); |
0 | 817 } |
818 | |
819 // Increase refcount | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
820 dmResourceRef(handle); |
732 | 821 dmfreset(handle); |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
822 return DMERR_OK; |
0 | 823 } |
824 | |
825 | |
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
826 #ifdef DM_USE_STDIO |
730
3d813c81f33c
More work on resources API.
Matti Hamalainen <ccr@tnsp.org>
parents:
728
diff
changeset
|
827 int dmf_create_stdio(const char *filename, const char *mode, DMResource **phandle) |
0 | 828 { |
730
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829 DMResource *handle; |
1040
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|
830 if ((*phandle = handle = dmResourceNew(NULL, filename, 0, 0)) == NULL) |
730
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831 return DMERR_MALLOC; |
0 | 832 |
721
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|
833 handle->fops = &dfStdioFileOps; |
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|
834 handle->fh = fopen(filename, mode); |
0 | 835 handle->error = dmGetErrno(); |
836 | |
730
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|
837 if (handle->fh == NULL) |
0 | 838 { |
721
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|
839 dmResourceFree(handle); |
730
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|
840 return handle->error; |
0 | 841 } |
730
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|
842 |
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|
843 dmResourceRef(handle); |
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|
844 return DMERR_OK; |
0 | 845 } |
846 | |
847 | |
730
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|
848 int dmf_create_stdio_stream(FILE *fh, DMResource **phandle) |
0 | 849 { |
730
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|
850 DMResource *handle; |
1040
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|
851 if ((*phandle = handle = dmResourceNew(NULL, "", 0, 0)) == NULL) |
730
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|
852 return DMERR_MALLOC; |
0 | 853 |
854 handle->fops = &dfStdioFHOps; | |
721
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|
855 handle->fh = fh; |
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|
856 dmResourceRef(handle); |
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|
857 return DMERR_OK; |
0 | 858 } |
859 #endif | |
860 | |
861 | |
862 void dmf_close(DMResource * f) | |
863 { | |
864 if (f == NULL) | |
865 return; | |
866 | |
867 if (f->fops->fclose != NULL) | |
868 f->fops->fclose(f); | |
869 | |
721
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|
870 dmResourceUnref(f); |
0 | 871 } |
872 | |
873 | |
732 | 874 int dmfreset(DMResource *f) |
875 { | |
876 if (f == NULL) | |
877 return DMERR_NULLPTR; | |
878 | |
879 if (f->fops == NULL || f->fops->freset == NULL) | |
880 return DMERR_OK; | |
881 | |
882 return f->fops->freset(f); | |
883 } | |
884 | |
0 | 885 int dmferror(DMResource * f) |
886 { | |
887 f->atime = time(NULL); | |
888 return f->fops->ferror(f); | |
889 } | |
890 | |
1036 | 891 int dmfseek(DMResource * f, Sint64 offset, int whence) |
0 | 892 { |
893 f->atime = time(NULL); | |
894 return f->fops->fseek(f, offset, whence); | |
895 } | |
896 | |
897 off_t dmfsize(DMResource * f) | |
898 { | |
899 f->atime = time(NULL); | |
900 return f->fops->fsize(f); | |
901 } | |
902 | |
903 off_t dmftell(DMResource * f) | |
904 { | |
905 f->atime = time(NULL); | |
906 return f->fops->ftell(f); | |
907 } | |
908 | |
909 BOOL dmfeof(DMResource * f) | |
910 { | |
911 f->atime = time(NULL); | |
912 return f->fops->feof(f); | |
913 } | |
914 | |
915 int dmfgetc(DMResource * f) | |
916 { | |
917 f->atime = time(NULL); | |
918 return f->fops->fgetc(f); | |
919 } | |
920 | |
74
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Add file mode to dmf_create_stdio().
Matti Hamalainen <ccr@tnsp.org>
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|
921 int dmfputc(int v, DMResource * f) |
72
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|
922 { |
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|
923 f->atime = time(NULL); |
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|
924 return f->fops->fputc(v, f); |
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925 } |
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|
926 |
0 | 927 size_t dmfread(void *ptr, size_t size, size_t nmemb, DMResource * f) |
928 { | |
929 f->atime = time(NULL); | |
930 return f->fops->fread(ptr, size, nmemb, f); | |
931 } | |
932 | |
72
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933 size_t dmfwrite(void *ptr, size_t size, size_t nmemb, DMResource * f) |
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|
934 { |
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|
935 f->atime = time(NULL); |
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|
936 return f->fops->fwrite(ptr, size, nmemb, f); |
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|
937 } |
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|
938 |
235 | 939 char *dmfgets(char *s, int size, DMResource * f) |
940 { | |
941 char *p = s, c; | |
942 int n = 0; | |
943 | |
944 while ((c = f->fops->fgetc(f)) != EOF) | |
945 { | |
237
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Matti Hamalainen <ccr@tnsp.org>
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236
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|
946 n++; |
235 | 947 if (c == '\n') |
948 break; | |
949 else | |
950 if (n < size - 1) | |
951 *p++ = c; | |
952 } | |
953 *p = 0; | |
954 | |
236
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Oops, dmfgets() had a nasty think-o and counted the remaining buffer space
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|
955 return (n > 0) ? s : NULL; |
235 | 956 } |
957 | |
958 | |
721
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|
959 int dmResourceRef(DMResource *node) |
0 | 960 { |
359
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961 if (node->lib != NULL) dmMutexLock(node->lib->mutex); |
27
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diff
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|
962 node->atime = time(NULL); |
21c14afbf63d
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|
963 node->refcount++; |
359
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|
964 if (node->lib != NULL) dmMutexUnlock(node->lib->mutex); |
0 | 965 |
27
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|
966 return node->refcount; |
0 | 967 } |
968 | |
969 | |
721
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|
970 int dmResourceUnref(DMResource *node) |
0 | 971 { |
359
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|
972 if (node->lib != NULL) dmMutexLock(node->lib->mutex); |
27
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|
973 node->refcount--; |
359
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|
974 if (node->lib != NULL) dmMutexUnlock(node->lib->mutex); |
0 | 975 |
27
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diff
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|
976 return node->refcount; |
0 | 977 } |
978 | |
979 | |
625
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|
980 #ifdef DM_USE_STDIO |
727 | 981 static int dmResourcesLoadDirectory(DMResourceLib *lib, const char *path) |
0 | 982 { |
1014
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diff
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|
983 int ret = DMERR_OK; |
630 | 984 struct dirent *dh; |
625
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|
985 DIR *hdir = opendir(path); |
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|
986 if (hdir == NULL) |
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|
987 return dmGetErrno(); |
0 | 988 |
359
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989 dmMutexLock(lib->mutex); |
0 | 990 |
625
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|
991 do |
0 | 992 { |
625
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|
993 DMResource *node = NULL; |
630 | 994 dh = readdir(hdir); |
995 if (dh != NULL) | |
0 | 996 { |
625
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|
997 struct stat sbuf; |
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|
998 char *fname = dm_strdup_printf("%s/%s", path, dh->d_name); |
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|
999 if (stat(fname, &sbuf) == -1) |
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|
1000 { |
1014
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diff
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|
1001 ret = dmError(dmGetErrno(), |
958
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Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
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|
1002 "Could not stat() %s, #%d: %s\n", |
1014
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1003 fname, ret, dmErrorStr(ret)); |
625
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|
1004 dmFree(fname); |
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|
1005 goto out; |
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1006 } |
0 | 1007 |
625
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1008 if (S_ISREG(sbuf.st_mode)) |
1040
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diff
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|
1009 node = dmResourceNew(lib, dh->d_name, sbuf.st_size, 0); |
625
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|
1010 } |
630 | 1011 |
625
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|
1012 if (node != NULL) |
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|
1013 { |
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|
1014 node->fops = &dfStdioFileOps; |
721
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|
1015 dmResourceInsert(lib, node); |
625
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|
1016 } |
630 | 1017 } while (dh != NULL); |
0 | 1018 |
625
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|
1019 out: |
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1020 dmMutexUnlock(lib->mutex); |
0 | 1021 |
625
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|
1022 #ifdef __WIN32 |
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1023 #else |
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|
1024 closedir(hdir); |
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1025 #endif |
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1026 |
1014
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1027 return ret; |
0 | 1028 } |
625
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|
1029 #endif |
0 | 1030 |
1031 | |
1032 /* Resources subsystem initialization and shutdown routines | |
1033 */ | |
721
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|
1034 int dmResourcesInit(DMResourceLib **plib, const char *filename, const char *path, const int flags, int (*classifier)(DMResource *)) |
0 | 1035 { |
359
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1036 DMResourceLib *lib; |
625
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|
1037 BOOL initialized = FALSE; |
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1038 |
359
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1039 // Allocate the resource library structure |
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|
1040 if ((*plib = lib = dmMalloc0(sizeof(DMResourceLib))) == NULL) |
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|
1041 return DMERR_MALLOC; |
0 | 1042 |
359
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|
1043 // Basic data |
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1044 lib->mutex = dmCreateMutex(); |
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|
1045 lib->flags = flags; |
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|
1046 lib->resPath = dm_strdup((path != NULL) ? path : DMRES_DATA_PATH); |
0 | 1047 |
107 | 1048 |
625
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diff
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|
1049 #ifdef DM_USE_PACKFS |
734 | 1050 if (flags & DRF_USE_PACK) |
0 | 1051 { |
1052 int ret; | |
1053 DMPackEntry *node; | |
1054 | |
359
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|
1055 lib->packFilename = dm_strdup((filename != NULL) ? filename : DMRES_DATA_PACK); |
0 | 1056 |
1057 // Initialize PACK, open as read-only | |
721
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|
1058 ret = dmPackOpen(lib->packFilename, &lib->packFile, TRUE); |
0 | 1059 if (ret != DMERR_OK) |
1060 { | |
625
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|
1061 if ((flags & DRF_USE_STDIO) == 0) |
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|
1062 { |
958
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|
1063 return dmError(DMERR_INIT_FAIL, |
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parents:
872
diff
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|
1064 "Error opening PACK file '%s', #%d: %s\n", |
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parents:
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diff
changeset
|
1065 lib->packFilename, ret, dmErrorStr(ret)); |
0 | 1066 } |
734 | 1067 else |
958
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diff
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|
1068 { |
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diff
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|
1069 // Non-fatal |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1070 dmError(DMERR_INIT_FAIL, |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1071 "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
|
1072 lib->packFilename, ret, dmErrorStr(ret)); |
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1073 } |
0 | 1074 } |
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1075 else |
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1076 { |
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1077 // Initialize resources from a PACK file |
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1078 for (node = lib->packFile->entries; node != NULL; node = node->next) |
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1079 { |
1040
ebabf5aefb76
Work on resource handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1038
diff
changeset
|
1080 DMResource *res = dmResourceNew(lib, node->filename, node->size, node->flags & DMF_PACK_MASK); |
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1081 if (res == NULL) |
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1082 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1083 return dmError(DMERR_INIT_FAIL, |
1040
ebabf5aefb76
Work on resource handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
1038
diff
changeset
|
1084 "Could not allocate memory for resource node '%s' [0x%08x], %d bytes.\n", |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1085 node->filename, node->flags, node->size); |
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1086 } |
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1087 |
736
ea42faa02a9a
Set packfile fileops in the appropriate handles.
Matti Hamalainen <ccr@tnsp.org>
parents:
734
diff
changeset
|
1088 res->fops = &dfPackFileOps; |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1089 dmResourceInsert(lib, res); |
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1090 } |
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1091 |
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1092 initialized = TRUE; |
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1093 } |
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1094 } |
0 | 1095 #endif |
625
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More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1096 |
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1097 #ifdef DM_USE_STDIO |
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1098 if (!initialized && (flags & DRF_USE_STDIO)) |
0 | 1099 { |
1100 // Initialize resources from a resource directory | |
727 | 1101 int ret = dmResourcesLoadDirectory(lib, lib->resPath); |
0 | 1102 if (ret != DMERR_OK) |
625
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More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1103 return ret; |
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
1104 initialized = TRUE; |
0 | 1105 } |
625
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1106 #endif |
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1107 |
e8fc083b7499
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parents:
613
diff
changeset
|
1108 if (!initialized) |
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More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
1109 return DMERR_INIT_FAIL; |
0 | 1110 |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
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4
diff
changeset
|
1111 // Okay, classify resources |
359
59045853853d
Make resource management re-entrant.
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237
diff
changeset
|
1112 if (lib->resources != NULL && classifier != NULL) |
26
2f463a59d732
Implement rudimentary resource system.
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parents:
4
diff
changeset
|
1113 { |
2f463a59d732
Implement rudimentary resource system.
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parents:
4
diff
changeset
|
1114 DMResource *node; |
359
59045853853d
Make resource management re-entrant.
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237
diff
changeset
|
1115 for (node = lib->resources; node != NULL; node = node->next) |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1116 { |
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1117 int ret = classifier(node); |
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1118 if (ret != DMERR_OK) |
107 | 1119 return ret; |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1120 } |
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1121 } |
0 | 1122 |
1123 // Initialization complete | |
1124 return DMERR_OK; | |
1125 } | |
1126 | |
1127 | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1128 int dmResourcesClose(DMResourceLib *lib) |
0 | 1129 { |
1130 DMResource *node; | |
359
59045853853d
Make resource management re-entrant.
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237
diff
changeset
|
1131 |
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
1132 if (lib == NULL) |
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
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237
diff
changeset
|
1133 return DMERR_NULLPTR; |
59045853853d
Make resource management re-entrant.
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237
diff
changeset
|
1134 |
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
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237
diff
changeset
|
1135 dmMutexLock(lib->mutex); |
0 | 1136 |
1137 // Shutdown possible subsystems | |
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
1138 #ifdef DM_USE_PACKFS |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1139 if (lib->flags & DRF_USE_PACK) |
0 | 1140 { |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
1141 int ret = dmPackClose(lib->packFile); |
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
1142 if (ret != DMERR_OK) |
0 | 1143 { |
1014
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
1144 dmError(ret, "Error closing PACK, #%i: %s\n", |
501ee5f0c043
Rename variables for consistency.
Matti Hamalainen <ccr@tnsp.org>
parents:
1010
diff
changeset
|
1145 ret, dmErrorStr(ret)); |
0 | 1146 } |
1147 | |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1148 dmFree(lib->packFilename); |
0 | 1149 } |
1150 #endif | |
1151 | |
1152 // Free resource entries | |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1153 node = lib->resources; |
0 | 1154 while (node != NULL) |
1155 { | |
1156 DMResource *next = node->next; | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1157 dmResourceFree(node); |
0 | 1158 node = next; |
1159 } | |
1160 | |
1161 // Etc. | |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1162 dmFree(lib->resPath); |
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1163 dmMutexUnlock(lib->mutex); |
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1164 dmDestroyMutex(lib->mutex); |
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1165 return DMERR_OK; |
0 | 1166 } |
1167 | |
1168 | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1169 int dmResourcesPreload(DMResourceLib *lib, BOOL start, int *loaded, int *total) |
0 | 1170 { |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1171 int ret = DMERR_OK; |
0 | 1172 |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1173 dmMutexLock(lib->mutex); |
0 | 1174 |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1175 // Initialize preloading |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1176 if (lib->preload == NULL || start) |
0 | 1177 { |
1178 DMResource *node; | |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1179 |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1180 lib->preload = lib->resources; |
0 | 1181 *loaded = 0; |
1182 *total = 0; | |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1183 |
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1184 // 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
|
1185 if (lib->flags & (DRF_PRELOAD_RAW | DRF_PRELOAD_RES)) |
0 | 1186 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1187 for (node = lib->resources; node != NULL; node = node->next) |
0 | 1188 (*total)++; |
1189 } | |
1190 } | |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1191 else |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1192 if (lib->preload != NULL) |
0 | 1193 { |
728
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
1194 // Attempt to preload the resource |
867fc7f205a8
More work on resource handling cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
727
diff
changeset
|
1195 if ((ret = dmResourcePreload(lib->preload)) != DMERR_OK) |
628
0533f94e843b
Add error message to failed preloading.
Matti Hamalainen <ccr@tnsp.org>
parents:
627
diff
changeset
|
1196 { |
958
985225a93aeb
Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents:
872
diff
changeset
|
1197 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
|
1198 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
|
1199 goto error; |
628
0533f94e843b
Add error message to failed preloading.
Matti Hamalainen <ccr@tnsp.org>
parents:
627
diff
changeset
|
1200 } |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1201 |
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
|
1202 (*loaded)++; |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1203 lib->preload = lib->preload->next; |
0 | 1204 } |
1205 | |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1206 dmMutexUnlock(lib->mutex); |
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1207 return (lib->preload == NULL) ? DMERR_OK : DMERR_PROGRESS; |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1208 |
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1209 error: |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1210 dmMutexUnlock(lib->mutex); |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1211 return ret; |
0 | 1212 } |
1213 | |
1214 | |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1215 void dmResourcePrune(DMResourceLib *lib, const int agems, int const flags) |
0 | 1216 { |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1217 DMResource *node; |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1218 const int stamp = time(NULL); |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1219 dmMutexLock(lib->mutex); |
0 | 1220 |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1221 for (node = lib->resources; node != NULL; node = node->next) |
0 | 1222 { |
1223 // Check if node has refcount of 0 and is | |
1224 // not marked as persistent resource | |
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1225 if (node->refcount == 0 && |
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1226 (node->flags & DMF_PERSIST) == 0 && |
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1227 (node->flags & (DMF_LOADED_RES | DMF_LOADED_RAW))) |
0 | 1228 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1229 if (((flags & DMPRUNE_ATIME) && stamp - node->atime >= agems) || |
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1230 ((flags & DMPRUNE_MTIME) && stamp - node->mtime >= agems)) |
0 | 1231 { |
721
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1232 dmResourceFreeResData(node); |
bb14d7907eb2
Rename many pack & resource handling functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
630
diff
changeset
|
1233 dmResourceFreeRawData(node); |
0 | 1234 } |
1235 } | |
1236 } | |
1237 | |
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
1238 dmMutexUnlock(lib->mutex); |
0 | 1239 } |
1240 | |
1241 | |
1242 /* Helper resource access routines | |
1243 */ | |
553
b60220fd1669
s/Uint8/void/ in dmf_{read,write}_str().
Matti Hamalainen <ccr@tnsp.org>
parents:
439
diff
changeset
|
1244 int dmf_read_str(DMResource *f, void *s, size_t l) |
0 | 1245 { |
553
b60220fd1669
s/Uint8/void/ in dmf_{read,write}_str().
Matti Hamalainen <ccr@tnsp.org>
parents:
439
diff
changeset
|
1246 return dmfread(s, 1, l, f) == l; |
0 | 1247 } |
1248 | |
437
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1249 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
|
1250 { |
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1251 int tmp = dmfgetc(f); |
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1252 *val = tmp; |
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1253 return tmp != EOF; |
3d9c044ec08d
Add dmf_{write,read}_byte() convenience functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
406
diff
changeset
|
1254 } |
0 | 1255 |
1256 #define DM_DEFINE_FUNC(xname, xtype, xmacro) \ | |
1257 BOOL dmf_read_ ## xname (DMResource *f, xtype *v) { \ | |
1258 xtype result; \ | |
1259 if (dmfread(&result, sizeof( xtype ), 1, f) != 1) \ | |
1260 return FALSE; \ | |
1261 *v = DM_ ## xmacro ## _TO_NATIVE (result); \ | |
1262 return TRUE; \ | |
1263 } | |
1264 | |
1265 DM_DEFINE_FUNC(le16, Uint16, LE16) | |
1266 DM_DEFINE_FUNC(le32, Uint32, LE32) | |
1267 | |
1268 DM_DEFINE_FUNC(be16, Uint16, BE16) | |
1269 DM_DEFINE_FUNC(be32, Uint32, BE32) | |
1270 | |
1271 DM_DEFINE_FUNC(le64, Uint64, LE64) | |
1272 DM_DEFINE_FUNC(be64, Uint64, BE64) |