2 * $RCSId: xc/lib/fontconfig/src/fccache.c,v 1.12 2002/08/22 07:36:44 keithp Exp $
4 * Copyright © 2000 Keith Packard
5 * Copyright © 2005 Patrick Lam
7 * Permission to use, copy, modify, distribute, and sell this software and its
8 * documentation for any purpose is hereby granted without fee, provided that
9 * the above copyright notice appear in all copies and that both that
10 * copyright notice and this permission notice appear in supporting
11 * documentation, and that the name of Keith Packard not be used in
12 * advertising or publicity pertaining to distribution of the software without
13 * specific, written prior permission. Keith Packard makes no
14 * representations about the suitability of this software for any purpose. It
15 * is provided "as is" without express or implied warranty.
17 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
18 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
19 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
20 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
21 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
22 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
23 * PERFORMANCE OF THIS SOFTWARE.
29 #include <sys/utsname.h>
30 #include <sys/types.h>
34 #define ENDIAN_TEST 0x12345678
35 #define MACHINE_SIGNATURE_SIZE 9 + 5*19 + 1
38 FcCacheSkipToArch (int fd
, const char * arch
);
41 FcCacheCopyOld (int fd
, int fd_orig
, off_t start
);
44 FcDirCacheProduce (FcFontSet
*set
, FcCache
* metadata
);
47 FcDirCacheConsume (int fd
, const char * dir
, FcFontSet
*set
);
50 FcDirCacheRead (FcFontSet
* set
, FcStrSet
* dirs
, const FcChar8
*dir
);
53 FcCacheNextOffset(off_t w
);
56 FcCacheMachineSignature (void);
59 FcCacheHaveBank (int bank
);
62 FcCacheAddBankDir (int bank
, const char * dir
);
64 #define FC_DBG_CACHE_REF 1024
67 FcCacheReadString (int fd
, char *dest
, int len
)
80 while (read (fd
, &c
, 1) == 1)
107 FcCacheWriteString (int fd
, const char *chars
)
109 if (write (fd
, chars
, strlen(chars
)+1) != strlen(chars
)+1)
115 FcGlobalCacheDirDestroy (FcGlobalCacheDir
*d
)
117 FcMemFree (FC_MEM_STRING
, strlen (d
->name
)+1);
119 FcMemFree (FC_MEM_CACHE
, sizeof (FcGlobalCacheDir
));
124 FcGlobalCacheCreate (void)
126 FcGlobalCache
*cache
;
128 cache
= malloc (sizeof (FcGlobalCache
));
131 FcMemAlloc (FC_MEM_CACHE
, sizeof (FcGlobalCache
));
133 cache
->updated
= FcFalse
;
139 FcGlobalCacheDestroy (FcGlobalCache
*cache
)
141 FcGlobalCacheDir
*d
, *next
;
143 for (d
= cache
->dirs
; d
; d
= next
)
146 FcGlobalCacheDirDestroy (d
);
148 FcMemFree (FC_MEM_CACHE
, sizeof (FcGlobalCache
));
153 FcGlobalCacheLoad (FcGlobalCache
*cache
,
155 const FcChar8
*cache_file
)
158 FcGlobalCacheDir
*d
, *next
;
159 char * current_arch_machine_name
;
160 char candidate_arch_machine_name
[MACHINE_SIGNATURE_SIZE
+ 9];
161 off_t current_arch_start
;
163 struct stat cache_stat
, dir_stat
;
165 if (stat ((char *) cache_file
, &cache_stat
) < 0)
168 cache
->fd
= open ((char *) cache_file
, O_RDONLY
);
172 cache
->updated
= FcFalse
;
174 current_arch_machine_name
= FcCacheMachineSignature ();
175 current_arch_start
= FcCacheSkipToArch(cache
->fd
,
176 current_arch_machine_name
);
177 if (current_arch_start
< 0)
178 goto bail_and_destroy
;
180 lseek (cache
->fd
, current_arch_start
, SEEK_SET
);
181 FcCacheReadString (cache
->fd
, candidate_arch_machine_name
,
182 sizeof (candidate_arch_machine_name
));
183 if (strlen(candidate_arch_machine_name
) == 0)
184 goto bail_and_destroy
;
190 FcCacheReadString (cache
->fd
, name_buf
, sizeof (name_buf
));
191 if (!strlen(name_buf
))
194 if (stat ((char *) name_buf
, &dir_stat
) < 0 ||
195 dir_stat
.st_mtime
> cache_stat
.st_mtime
)
199 FcStrSetAdd (staleDirs
, FcStrCopy ((FcChar8
*)name_buf
));
200 read (cache
->fd
, &md
, sizeof (FcCache
));
201 lseek (cache
->fd
, FcCacheNextOffset (lseek(cache
->fd
, 0, SEEK_CUR
)) + md
.count
, SEEK_SET
);
205 d
= malloc (sizeof (FcGlobalCacheDir
));
209 d
->next
= cache
->dirs
;
212 d
->name
= (char *)FcStrCopy ((FcChar8
*)name_buf
);
214 d
->offset
= lseek (cache
->fd
, 0, SEEK_CUR
);
215 if (read (cache
->fd
, &d
->metadata
, sizeof (FcCache
)) != sizeof (FcCache
))
217 targ
= FcCacheNextOffset (lseek(cache
->fd
, 0, SEEK_CUR
)) + d
->metadata
.count
;
218 if (lseek (cache
->fd
, targ
, SEEK_SET
) != targ
)
224 for (d
= cache
->dirs
; d
; d
= next
)
239 if (stat ((char *) cache_file
, &cache_stat
) == 0)
240 unlink ((char *)cache_file
);
247 FcGlobalCacheReadDir (FcFontSet
*set
, FcStrSet
*dirs
, FcGlobalCache
* cache
, const char *dir
, FcConfig
*config
)
250 FcBool ret
= FcFalse
;
255 for (d
= cache
->dirs
; d
; d
= d
->next
)
257 if (strncmp (d
->name
, dir
, strlen(dir
)) == 0)
259 lseek (cache
->fd
, d
->offset
, SEEK_SET
);
260 if (!FcDirCacheConsume (cache
->fd
, dir
, set
))
262 if (strcmp (d
->name
, dir
) == 0)
271 FcGlobalCacheUpdate (FcGlobalCache
*cache
,
275 FcGlobalCacheDir
* d
;
280 for (d
= cache
->dirs
; d
; d
= d
->next
)
282 if (strcmp(d
->name
, name
) == 0)
288 d
= malloc (sizeof (FcGlobalCacheDir
));
291 d
->next
= cache
->dirs
;
295 cache
->updated
= FcTrue
;
297 d
->name
= (char *)FcStrCopy ((FcChar8
*)name
);
298 d
->ent
= FcDirCacheProduce (set
, &d
->metadata
);
304 FcGlobalCacheSave (FcGlobalCache
*cache
,
305 const FcChar8
*cache_file
)
308 FcGlobalCacheDir
*dir
;
310 off_t current_arch_start
= 0, truncate_to
;
311 char * current_arch_machine_name
, * header
;
316 #if defined (HAVE_GETUID) && defined (HAVE_GETEUID)
317 /* Set-UID programs can't safely update the cache */
318 if (getuid () != geteuid ())
322 atomic
= FcAtomicCreate (cache_file
);
326 if (!FcAtomicLock (atomic
))
328 fd
= open ((char *) FcAtomicNewFile(atomic
), O_RDWR
| O_CREAT
,
333 fd_orig
= open ((char *) FcAtomicOrigFile(atomic
), O_RDONLY
);
335 current_arch_machine_name
= FcCacheMachineSignature ();
337 current_arch_start
= 0;
339 current_arch_start
= FcCacheSkipToArch (fd_orig
,
340 current_arch_machine_name
);
342 if (current_arch_start
< 0)
343 current_arch_start
= FcCacheNextOffset (lseek(fd_orig
, 0, SEEK_END
));
345 if (!FcCacheCopyOld(fd
, fd_orig
, current_arch_start
))
351 current_arch_start
= lseek(fd
, 0, SEEK_CUR
);
352 if (ftruncate (fd
, current_arch_start
) == -1)
355 header
= malloc (10 + strlen (current_arch_machine_name
));
359 truncate_to
= current_arch_start
+ strlen(current_arch_machine_name
) + 11;
360 for (dir
= cache
->dirs
; dir
; dir
= dir
->next
)
362 truncate_to
+= strlen(dir
->name
) + 1;
363 truncate_to
+= sizeof (FcCache
);
364 truncate_to
= FcCacheNextOffset (current_arch_start
+ truncate_to
);
365 truncate_to
+= dir
->metadata
.count
;
367 truncate_to
-= current_arch_start
;
369 sprintf (header
, "%8x ", (int)truncate_to
);
370 strcat (header
, current_arch_machine_name
);
371 if (!FcCacheWriteString (fd
, header
))
374 for (dir
= cache
->dirs
; dir
; dir
= dir
->next
)
378 FcCacheWriteString (fd
, dir
->name
);
379 write (fd
, &dir
->metadata
, sizeof(FcCache
));
380 lseek (fd
, FcCacheNextOffset (lseek(fd
, 0, SEEK_CUR
)), SEEK_SET
);
381 write (fd
, dir
->ent
, dir
->metadata
.count
);
385 FcCacheWriteString (fd
, "");
387 if (close (fd
) == -1)
390 if (!FcAtomicReplaceOrig (atomic
))
393 FcAtomicUnlock (atomic
);
394 FcAtomicDestroy (atomic
);
396 cache
->updated
= FcFalse
;
407 FcAtomicDeleteNew (atomic
);
409 FcAtomicUnlock (atomic
);
411 FcAtomicDestroy (atomic
);
415 #define PAGESIZE 8192
417 * Find the next presumably-mmapable offset after the supplied file
421 FcCacheNextOffset(off_t w
)
423 if (w
% PAGESIZE
== 0)
426 return ((w
/ PAGESIZE
)+1)*PAGESIZE
;
429 /* return the address of the segment for the provided arch,
430 * or -1 if arch not found */
432 FcCacheSkipToArch (int fd
, const char * arch
)
434 char candidate_arch_machine_name_count
[MACHINE_SIGNATURE_SIZE
+ 9];
435 char * candidate_arch
;
436 off_t current_arch_start
= 0;
438 /* skip arches that are not the current arch */
443 if (lseek (fd
, current_arch_start
, SEEK_SET
) != current_arch_start
)
446 if (FcCacheReadString (fd
, candidate_arch_machine_name_count
,
447 sizeof (candidate_arch_machine_name_count
)) == 0)
449 if (!strlen(candidate_arch_machine_name_count
))
451 bs
= strtol(candidate_arch_machine_name_count
, &candidate_arch
, 16);
453 // count = 0 should probably be distinguished from the !bs condition
454 if (!bs
|| bs
< strlen (candidate_arch_machine_name_count
))
457 candidate_arch
++; /* skip leading space */
459 if (strcmp (candidate_arch
, arch
)==0)
460 return current_arch_start
;
461 current_arch_start
+= bs
;
467 /* Cuts out the segment at the file pointer (moves everything else
468 * down to cover it), and leaves the file pointer at the end of the
471 FcCacheCopyOld (int fd
, int fd_orig
, off_t start
)
473 char * buf
= malloc (8192);
474 char candidate_arch_machine_name
[MACHINE_SIGNATURE_SIZE
+ 9];
476 int c
, bytes_skipped
;
483 lseek (fd
, 0, SEEK_SET
); lseek (fd_orig
, 0, SEEK_SET
);
490 if ((c
= read (fd_orig
, buf
, b
)) <= 0)
492 if (write (fd
, buf
, c
) < 0)
499 lseek (fd
, start
, SEEK_SET
);
500 if (FcCacheReadString (fd
, candidate_arch_machine_name
,
501 sizeof (candidate_arch_machine_name
)) == 0)
503 if (!strlen(candidate_arch_machine_name
))
506 bs
= strtol(candidate_arch_machine_name
, 0, 16);
513 lseek (fd
, start
+bs
+bytes_skipped
, SEEK_SET
);
514 if ((c
= read (fd
, buf
, 8192)) <= 0)
516 lseek (fd
, start
+bytes_skipped
, SEEK_SET
);
517 if (write (fd
, buf
, c
) < 0)
522 lseek (fd
, start
+bytes_skipped
, SEEK_SET
);
533 /* Does not check that the cache has the appropriate arch section. */
535 FcDirCacheValid (const FcChar8
*dir
)
537 FcChar8
*cache_file
= FcStrPlus (dir
, (FcChar8
*) "/" FC_DIR_CACHE_FILE
);
538 struct stat file_stat
, dir_stat
;
540 if (stat ((char *) dir
, &dir_stat
) < 0)
542 FcStrFree (cache_file
);
545 if (stat ((char *) cache_file
, &file_stat
) < 0)
547 FcStrFree (cache_file
);
551 FcStrFree (cache_file
);
553 * If the directory has been modified more recently than
554 * the cache file, the cache is not valid
556 if (dir_stat
.st_mtime
- file_stat
.st_mtime
> 0)
561 /* Assumes that the cache file in 'dir' exists.
562 * Checks that the cache has the appropriate arch section. */
564 FcDirCacheHasCurrentArch (const FcChar8
*dir
)
566 FcChar8
*cache_file
= FcStrPlus (dir
, (FcChar8
*) "/" FC_DIR_CACHE_FILE
);
568 off_t current_arch_start
;
569 char *current_arch_machine_name
;
571 current_arch_machine_name
= FcCacheMachineSignature();
572 fd
= open ((char *)cache_file
, O_RDONLY
);
576 current_arch_start
= FcCacheSkipToArch(fd
, current_arch_machine_name
);
579 if (current_arch_start
< 0)
586 FcDirCacheUnlink (const FcChar8
*dir
)
588 FcChar8
*cache_file
= FcStrPlus (dir
, (FcChar8
*) "/" FC_DIR_CACHE_FILE
);
589 struct stat cache_stat
;
591 if (stat ((char *) cache_file
, &cache_stat
) == 0 &&
592 unlink ((char *)cache_file
) != 0)
594 FcStrFree (cache_file
);
598 FcStrFree (cache_file
);
603 FcCacheReadDirs (FcConfig
* config
, FcGlobalCache
* cache
,
604 FcStrList
*list
, FcFontSet
* set
)
608 FcChar8
*file
, *base
;
614 * Read in the results from 'list'.
616 while ((dir
= FcStrListNext (list
)))
619 file
= (FcChar8
*) malloc (strlen ((char *) dir
) + 1 + FC_MAX_FILE_LEN
+ 1);
623 strcpy ((char *) file
, (char *) dir
);
624 strcat ((char *) file
, "/");
625 base
= file
+ strlen ((char *) file
);
627 subdirs
= FcStrSetCreate ();
630 fprintf (stderr
, "Can't create directory set\n");
636 if (access ((char *) dir
, X_OK
) < 0)
644 fprintf (stderr
, "\"%s\": ", dir
);
648 FcStrSetDestroy (subdirs
);
652 if (stat ((char *) dir
, &statb
) == -1)
654 fprintf (stderr
, "\"%s\": ", dir
);
656 FcStrSetDestroy (subdirs
);
661 if (!S_ISDIR (statb
.st_mode
))
663 fprintf (stderr
, "\"%s\": not a directory, skipping\n", dir
);
664 FcStrSetDestroy (subdirs
);
668 if (!FcDirCacheValid (dir
) || !FcDirCacheRead (set
, subdirs
, dir
))
670 if (FcDebug () & FC_DBG_FONTSET
)
671 printf ("cache scan dir %s\n", dir
);
673 FcDirScanConfig (set
, subdirs
, cache
,
674 config
->blanks
, dir
, FcFalse
, config
);
676 sublist
= FcStrListCreate (subdirs
);
677 FcStrSetDestroy (subdirs
);
680 fprintf (stderr
, "Can't create subdir list in \"%s\"\n", dir
);
685 ret
+= FcCacheReadDirs (config
, cache
, sublist
, set
);
688 FcStrListDone (list
);
693 FcCacheRead (FcConfig
*config
, FcGlobalCache
* cache
)
695 FcFontSet
* s
= FcFontSetCreate();
699 if (FcCacheReadDirs (config
, cache
, FcConfigGetConfigDirs (config
), s
))
705 FcFontSetDestroy (s
);
709 /* read serialized state from the cache file */
711 FcDirCacheRead (FcFontSet
* set
, FcStrSet
* dirs
, const FcChar8
*dir
)
713 char *cache_file
= (char *)FcStrPlus (dir
, (FcChar8
*) "/" FC_DIR_CACHE_FILE
);
715 char * current_arch_machine_name
;
716 char candidate_arch_machine_name
[9+MACHINE_SIGNATURE_SIZE
];
717 off_t current_arch_start
= 0;
718 char subdirName
[FC_MAX_FILE_LEN
+ 1 + 12 + 1];
723 current_arch_machine_name
= FcCacheMachineSignature();
724 fd
= open(cache_file
, O_RDONLY
);
728 current_arch_start
= FcCacheSkipToArch(fd
, current_arch_machine_name
);
729 if (current_arch_start
< 0)
732 lseek (fd
, current_arch_start
, SEEK_SET
);
733 if (FcCacheReadString (fd
, candidate_arch_machine_name
,
734 sizeof (candidate_arch_machine_name
)) == 0)
737 while (strlen(FcCacheReadString (fd
, subdirName
, sizeof (subdirName
))) > 0)
738 FcStrSetAdd (dirs
, (FcChar8
*)subdirName
);
740 if (!FcDirCacheConsume (fd
, (const char *)dir
, set
))
755 FcDirCacheConsume (int fd
, const char * dir
, FcFontSet
*set
)
758 void * current_dir_block
;
761 read(fd
, &metadata
, sizeof(FcCache
));
762 if (metadata
.magic
!= FC_CACHE_MAGIC
)
768 pos
= FcCacheNextOffset (lseek(fd
, 0, SEEK_CUR
));
769 current_dir_block
= mmap (0, metadata
.count
,
770 PROT_READ
, MAP_SHARED
, fd
, pos
);
771 if (current_dir_block
== MAP_FAILED
)
774 if (!FcFontSetUnserialize (metadata
, set
, current_dir_block
))
777 FcCacheAddBankDir (metadata
.bank
, dir
);
783 FcDirCacheProduce (FcFontSet
*set
, FcCache
*metadata
)
785 void * current_dir_block
, * final_dir_block
;
786 static unsigned int rand_state
= 0;
790 rand_state
= time(0L);
791 bank
= rand_r(&rand_state
);
793 while (FcCacheHaveBank(bank
))
794 bank
= rand_r(&rand_state
);
796 memset (metadata
, 0, sizeof(FcCache
));
798 metadata
->count
= FcFontSetNeededBytes (set
);
799 metadata
->magic
= FC_CACHE_MAGIC
;
800 metadata
->bank
= bank
;
802 if (!metadata
->count
) /* not a failure, no fonts to write */
805 current_dir_block
= malloc (metadata
->count
);
806 if (!current_dir_block
)
808 final_dir_block
= FcFontSetDistributeBytes (metadata
, current_dir_block
);
810 if ((char *)current_dir_block
+ metadata
->count
!= final_dir_block
)
813 if (!FcFontSetSerialize (bank
, set
))
816 return current_dir_block
;
819 free (current_dir_block
);
823 /* write serialized state to the cache file */
825 FcDirCacheWrite (FcFontSet
*set
, FcStrSet
*dirs
, const FcChar8
*dir
)
827 FcChar8
*cache_file
= FcStrPlus (dir
, (FcChar8
*) "/" FC_DIR_CACHE_FILE
);
828 int fd
, fd_orig
, i
, dirs_count
;
831 off_t current_arch_start
= 0, truncate_to
;
833 char *current_arch_machine_name
, * header
;
834 void *current_dir_block
;
839 current_dir_block
= FcDirCacheProduce (set
, &metadata
);
841 if (metadata
.count
&& !current_dir_block
)
844 if (FcDebug () & FC_DBG_CACHE
)
845 printf ("FcDirCacheWriteDir cache_file \"%s\"\n", cache_file
);
847 atomic
= FcAtomicCreate (cache_file
);
851 if (!FcAtomicLock (atomic
))
854 fd_orig
= open((char *)FcAtomicOrigFile (atomic
), O_RDONLY
, 0666);
856 fd
= open((char *)FcAtomicNewFile (atomic
), O_RDWR
| O_CREAT
, 0666);
860 current_arch_machine_name
= FcCacheMachineSignature ();
861 current_arch_start
= 0;
865 FcCacheSkipToArch(fd_orig
, current_arch_machine_name
);
867 if (current_arch_start
< 0)
868 current_arch_start
= FcCacheNextOffset (lseek(fd_orig
, 0, SEEK_END
));
870 if (fd_orig
!= -1 && !FcCacheCopyOld(fd
, fd_orig
, current_arch_start
))
876 current_arch_start
= lseek(fd
, 0, SEEK_CUR
);
877 if (ftruncate (fd
, current_arch_start
) == -1)
880 /* allocate space for subdir names in this block */
882 for (i
= 0; i
< dirs
->size
; i
++)
883 dirs_count
+= strlen((char *)dirs
->strs
[i
]) + 1;
886 /* now write the address of the next offset */
887 truncate_to
= FcCacheNextOffset (FcCacheNextOffset (current_arch_start
+ sizeof (FcCache
) + dirs_count
) + metadata
.count
) - current_arch_start
;
888 header
= malloc (10 + strlen (current_arch_machine_name
));
891 sprintf (header
, "%8x ", (int)truncate_to
);
892 strcat (header
, current_arch_machine_name
);
893 if (!FcCacheWriteString (fd
, header
))
896 for (i
= 0; i
< dirs
->size
; i
++)
897 FcCacheWriteString (fd
, (char *)dirs
->strs
[i
]);
898 FcCacheWriteString (fd
, "");
900 write (fd
, &metadata
, sizeof(FcCache
));
903 lseek (fd
, FcCacheNextOffset (lseek(fd
, 0, SEEK_END
)), SEEK_SET
);
904 write (fd
, current_dir_block
, metadata
.count
);
905 free (current_dir_block
);
908 /* this actually serves to pad out the cache file, if needed */
909 if (ftruncate (fd
, current_arch_start
+ truncate_to
) == -1)
913 if (!FcAtomicReplaceOrig(atomic
))
915 FcAtomicUnlock (atomic
);
916 FcAtomicDestroy (atomic
);
924 FcAtomicUnlock (atomic
);
926 FcAtomicDestroy (atomic
);
928 unlink ((char *)cache_file
);
930 if (current_dir_block
)
931 free (current_dir_block
);
937 FcCacheMachineSignature ()
939 static char buf
[MACHINE_SIGNATURE_SIZE
];
940 int magic
= ENDIAN_TEST
;
941 char * m
= (char *)&magic
;
943 sprintf (buf
, "%2x%2x%2x%2x "
944 "%4x %4x %4x %4x %4x %4x %4x %4x %4x %4x %4x %4x "
945 "%4x %4x %4x %4x %4x %4x %4x\n",
946 m
[0], m
[1], m
[2], m
[3],
947 (unsigned int)sizeof (char),
948 (unsigned int)sizeof (char *),
949 (unsigned int)sizeof (int),
950 (unsigned int)sizeof (FcPattern
),
951 (unsigned int)sizeof (FcPatternEltPtr
),
952 (unsigned int)sizeof (struct _FcPatternElt
*),
953 (unsigned int)sizeof (FcPatternElt
),
954 (unsigned int)sizeof (FcObjectPtr
),
955 (unsigned int)sizeof (FcValueListPtr
),
956 (unsigned int)sizeof (FcValue
),
957 (unsigned int)sizeof (FcValueBinding
),
958 (unsigned int)sizeof (struct _FcValueList
*),
959 (unsigned int)sizeof (FcCharSet
),
960 (unsigned int)sizeof (FcCharLeaf
**),
961 (unsigned int)sizeof (FcChar16
*),
962 (unsigned int)sizeof (FcChar16
),
963 (unsigned int)sizeof (FcCharLeaf
),
964 (unsigned int)sizeof (FcChar32
),
965 (unsigned int)sizeof (FcCache
));
970 static int banks_ptr
= 0, banks_alloc
= 0;
971 static int * bankId
= 0, * bankIdx
= 0;
972 static const char ** bankDirs
= 0;
975 FcCacheHaveBank (int bank
)
979 if (bank
< FC_BANK_FIRST
)
982 for (i
= 0; i
< banks_ptr
; i
++)
983 if (bankId
[i
] == bank
)
990 FcCacheBankToIndex (int bank
)
994 for (i
= 0; i
< banks_ptr
; i
++)
995 if (bankId
[bankIdx
[i
]] == bank
)
999 for (j
= i
; j
> 0; j
--)
1000 bankIdx
[j
] = bankIdx
[j
-1];
1005 if (banks_ptr
>= banks_alloc
)
1010 b
= realloc (bankId
, (banks_alloc
+ 4) * sizeof(int));
1015 bidx
= realloc (bankIdx
, (banks_alloc
+ 4) * sizeof(int));
1020 bds
= realloc (bankDirs
, (banks_alloc
+ 4) * sizeof (char *));
1035 FcCacheAddBankDir (int bank
, const char * dir
)
1037 int bi
= FcCacheBankToIndex (bank
);
1042 bankDirs
[bi
] = (const char *)FcStrCopy ((FcChar8
*)dir
);
1046 FcCacheFindBankDir (int bank
)
1048 int bi
= FcCacheBankToIndex (bank
);
1049 return bankDirs
[bi
];