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/types.h>
33 #if defined(HAVE_MMAP) || defined(__CYGWIN__)
34 # include <sys/mman.h>
35 # include <sys/utsname.h>
38 #define ENDIAN_TEST 0x12345678
39 #define MACHINE_SIGNATURE_SIZE (9 + 5*20 + 1)
40 /* for when we don't have sysconf: */
41 #define FC_HARDCODED_PAGESIZE 8192
48 FcDirCacheOpen (const FcChar8
* dir
);
51 FcDirCacheHashName (char * cache_file
, int collisions
);
54 FcCacheSkipToArch (int fd
, const char * arch
);
57 FcCacheCopyOld (int fd
, int fd_orig
, off_t start
);
60 FcDirCacheProduce (FcFontSet
*set
, FcCache
* metadata
);
63 FcDirCacheConsume (int fd
, const char * dir
, FcFontSet
*set
, FcConfig
*config
);
66 FcCacheNextOffset(off_t w
);
69 FcCacheMachineSignature (void);
72 FcCacheHaveBank (int bank
);
75 FcCacheAddBankDir (int bank
, const char * dir
);
83 static void MD5Init(struct MD5Context
*ctx
);
84 static void MD5Update(struct MD5Context
*ctx
, unsigned char *buf
, unsigned len
);
85 static void MD5Final(unsigned char digest
[16], struct MD5Context
*ctx
);
86 static void MD5Transform(FcChar32 buf
[4], FcChar32 in
[16]);
88 #define FC_DBG_CACHE_REF 1024
91 FcCacheReadString (int fd
, char *dest
, int len
)
99 size
= read (fd
, dest
, len
-1);
104 slen
= strlen (dest
);
106 lseek (fd
, slen
- size
+ 1, SEEK_CUR
);
107 return slen
< len
? dest
: 0;
114 FcCacheSkipString (int fd
)
120 while ( (size
= read (fd
, buf
, sizeof (buf
)-1)) > 0)
126 lseek (fd
, slen
- size
+ 1, SEEK_CUR
);
133 FcCacheWriteString (int fd
, const char *chars
)
135 if (write (fd
, chars
, strlen(chars
)+1) != strlen(chars
)+1)
141 FcGlobalCacheDirDestroy (FcGlobalCacheDir
*d
)
143 FcStrSetDestroy (d
->subdirs
);
144 FcMemFree (FC_MEM_STRING
, strlen (d
->name
)+1);
146 FcMemFree (FC_MEM_CACHE
, sizeof (FcGlobalCacheDir
));
151 FcGlobalCacheCreate (void)
153 FcGlobalCache
*cache
;
155 cache
= malloc (sizeof (FcGlobalCache
));
158 FcMemAlloc (FC_MEM_CACHE
, sizeof (FcGlobalCache
));
160 cache
->updated
= FcFalse
;
166 FcGlobalCacheDestroy (FcGlobalCache
*cache
)
168 FcGlobalCacheDir
*d
, *next
;
170 for (d
= cache
->dirs
; d
; d
= next
)
173 FcGlobalCacheDirDestroy (d
);
175 FcMemFree (FC_MEM_CACHE
, sizeof (FcGlobalCache
));
180 FcGlobalCacheLoad (FcGlobalCache
*cache
,
182 const FcChar8
*cache_file
,
185 char name_buf
[FC_MAX_FILE_LEN
];
186 FcGlobalCacheDir
*d
, *next
;
187 FcFileTime config_time
= FcConfigModifiedTime (config
);
188 char * current_arch_machine_name
;
189 char candidate_arch_machine_name
[MACHINE_SIGNATURE_SIZE
+ 9];
190 off_t current_arch_start
;
192 struct stat cache_stat
, dir_stat
;
193 char subdirName
[FC_MAX_FILE_LEN
+ 1 + 12 + 1];
195 if (stat ((char *) cache_file
, &cache_stat
) < 0)
198 cache
->fd
= open ((char *) cache_file
, O_RDONLY
| O_BINARY
);
202 cache
->updated
= FcFalse
;
204 if (!FcCacheReadString (cache
->fd
, name_buf
, sizeof (name_buf
)))
205 goto bail_and_destroy
;
206 if (strcmp (name_buf
, FC_GLOBAL_MAGIC_COOKIE
) != 0)
207 goto bail_and_destroy
;
209 current_arch_machine_name
= FcCacheMachineSignature ();
210 current_arch_start
= FcCacheSkipToArch(cache
->fd
,
211 current_arch_machine_name
);
212 if (current_arch_start
< 0)
215 lseek (cache
->fd
, current_arch_start
, SEEK_SET
);
216 if (!FcCacheReadString (cache
->fd
, candidate_arch_machine_name
,
217 sizeof (candidate_arch_machine_name
)))
218 goto bail_and_destroy
;
219 if (strlen(candidate_arch_machine_name
) == 0)
220 goto bail_and_destroy
;
226 if (!FcCacheReadString (cache
->fd
, name_buf
, sizeof (name_buf
)) ||
230 /* Directory must be older than the global cache file; also
231 cache must be newer than the config file. */
232 if (stat ((char *) name_buf
, &dir_stat
) < 0 ||
233 dir_stat
.st_mtime
> cache_stat
.st_mtime
||
234 (config_time
.set
&& cache_stat
.st_mtime
< config_time
.time
))
239 FcStrSetAdd (staleDirs
, FcStrCopy ((FcChar8
*)name_buf
));
242 while (FcCacheReadString (cache
->fd
, subdirName
,
243 sizeof (subdirName
)) &&
247 if (read (cache
->fd
, &md
, sizeof (FcCache
)) != sizeof(FcCache
))
249 perror ("read metadata");
252 off
= FcCacheNextOffset (lseek(cache
->fd
, 0, SEEK_CUR
)) + md
.count
;
253 if (lseek (cache
->fd
, off
, SEEK_SET
) != off
)
261 d
= malloc (sizeof (FcGlobalCacheDir
));
265 d
->next
= cache
->dirs
;
268 d
->name
= (char *)FcStrCopy ((FcChar8
*)name_buf
);
270 d
->state
= FcGCDirFileRead
;
272 d
->subdirs
= FcStrSetCreate();
275 if (!FcCacheReadString (cache
->fd
, subdirName
,
276 sizeof (subdirName
)) ||
277 !strlen (subdirName
))
279 FcStrSetAdd (d
->subdirs
, (FcChar8
*)subdirName
);
282 d
->offset
= lseek (cache
->fd
, 0, SEEK_CUR
);
283 if (read (cache
->fd
, &d
->metadata
, sizeof (FcCache
)) != sizeof (FcCache
))
285 targ
= FcCacheNextOffset (lseek(cache
->fd
, 0, SEEK_CUR
)) + d
->metadata
.count
;
286 if (lseek (cache
->fd
, targ
, SEEK_SET
) != targ
)
292 for (d
= cache
->dirs
; d
; d
= next
)
307 if (stat ((char *) cache_file
, &cache_stat
) == 0)
308 unlink ((char *)cache_file
);
315 FcGlobalCacheReadDir (FcFontSet
*set
, FcStrSet
*dirs
, FcGlobalCache
* cache
, const char *dir
, FcConfig
*config
)
323 if (!(dir
= (char *)FcConfigNormalizeFontDir (config
, (FcChar8
*)dir
)))
324 return FcFalse
; /* non-existing directory */
326 for (d
= cache
->dirs
; d
; d
= d
->next
)
328 if (strcmp (d
->name
, dir
) == 0)
330 if (d
->state
== FcGCDirDisabled
)
333 if (d
->state
== FcGCDirFileRead
)
335 lseek (cache
->fd
, d
->offset
, SEEK_SET
);
336 if (!FcDirCacheConsume (cache
->fd
, d
->name
, set
, config
))
339 for (i
= 0; i
< d
->subdirs
->num
; i
++)
340 FcStrSetAdd (dirs
, (FcChar8
*)d
->subdirs
->strs
[i
]);
342 d
->state
= FcGCDirConsumed
;
351 static FcGlobalCacheDir
*
352 FcGlobalCacheDirFind (FcGlobalCache
*cache
, const char *name
)
354 FcGlobalCacheDir
* d
;
359 for (d
= cache
->dirs
; d
; d
= d
->next
)
360 if (strcmp((const char *)d
->name
, (const char *)name
) == 0)
367 FcGlobalCacheUpdate (FcGlobalCache
*cache
,
369 const char *orig_name
,
377 name
= (char *)FcConfigNormalizeFontDir (config
, (FcChar8
*)orig_name
);
380 fprintf(stderr
, "Invalid directory name %s\n", orig_name
);
384 d
= FcGlobalCacheDirFind (cache
, name
);
388 d
= malloc (sizeof (FcGlobalCacheDir
));
391 d
->next
= cache
->dirs
;
394 /* free old resources */
395 FcStrFree ((FcChar8
*)d
->name
);
397 FcStrSetDestroy (d
->subdirs
);
400 cache
->updated
= FcTrue
;
402 d
->name
= (char *)FcStrCopy ((FcChar8
*)name
);
403 d
->ent
= FcDirCacheProduce (set
, &d
->metadata
);
405 d
->subdirs
= FcStrSetCreate();
406 d
->state
= FcGCDirUpdated
;
407 for (i
= 0; i
< dirs
->num
; i
++)
408 FcStrSetAdd (d
->subdirs
, dirs
->strs
[i
]);
413 FcGlobalCacheSave (FcGlobalCache
*cache
,
414 const FcChar8
*cache_file
,
418 FcGlobalCacheDir
*dir
;
420 off_t current_arch_start
= 0, truncate_to
;
421 char * current_arch_machine_name
, * header
;
426 #if defined (HAVE_GETUID) && defined (HAVE_GETEUID)
427 /* Set-UID programs can't safely update the cache */
428 if (getuid () != geteuid ())
432 atomic
= FcAtomicCreate (cache_file
);
436 if (!FcAtomicLock (atomic
))
438 fd
= open ((char *) FcAtomicNewFile(atomic
), O_RDWR
| O_CREAT
| O_BINARY
,
442 FcCacheWriteString (fd
, FC_GLOBAL_MAGIC_COOKIE
);
444 fd_orig
= open ((char *) FcAtomicOrigFile(atomic
), O_RDONLY
| O_BINARY
);
446 current_arch_machine_name
= FcCacheMachineSignature ();
448 current_arch_start
= 0;
450 current_arch_start
= FcCacheSkipToArch (fd_orig
,
451 current_arch_machine_name
);
453 if (current_arch_start
< 0)
455 off_t i
= lseek(fd_orig
, 0, SEEK_END
);
456 if (i
< strlen (FC_GLOBAL_MAGIC_COOKIE
)+1)
457 i
= strlen (FC_GLOBAL_MAGIC_COOKIE
)+1;
458 current_arch_start
= FcCacheNextOffset (i
);
461 if (!FcCacheCopyOld(fd
, fd_orig
, current_arch_start
))
464 current_arch_start
= lseek(fd
, 0, SEEK_CUR
);
465 #if defined (HAVE_FTRUNCATE)
466 if (ftruncate (fd
, current_arch_start
) == -1)
469 #if defined (HAVE_CHSIZE)
470 if (chsize (fd
, current_arch_start
) == -1)
477 header
= malloc (10 + strlen (current_arch_machine_name
));
481 truncate_to
= current_arch_start
+ strlen(current_arch_machine_name
) + 11;
482 for (dir
= cache
->dirs
; dir
; dir
= dir
->next
)
486 if (dir
->state
== FcGCDirDisabled
)
488 truncate_to
+= strlen(dir
->name
) + 1;
489 truncate_to
+= sizeof (FcCache
);
490 truncate_to
= FcCacheNextOffset (truncate_to
);
491 truncate_to
+= dir
->metadata
.count
;
493 for (i
= 0; i
< dir
->subdirs
->size
; i
++)
494 truncate_to
+= strlen((char *)dir
->subdirs
->strs
[i
]) + 1;
497 truncate_to
-= current_arch_start
;
499 sprintf (header
, "%8x ", (int)truncate_to
);
500 strcat (header
, current_arch_machine_name
);
501 if (!FcCacheWriteString (fd
, header
))
504 for (dir
= cache
->dirs
; dir
; dir
= dir
->next
)
510 if (!dir
->name
|| dir
->state
== FcGCDirDisabled
)
512 d
= (const char *)FcConfigNormalizeFontDir (config
, (const FcChar8
*)dir
->name
);
516 if (dir
->metadata
.count
&& !dir
->ent
)
518 if (dir
->state
== FcGCDirUpdated
|| fd_orig
< 0)
520 fprintf(stderr
, "Invalid metadata entry for %s, skipping...\n", d
);
523 /* copy the old content */
524 dir
->ent
= malloc (dir
->metadata
.count
);
527 perror("malloc error");
530 off
= FcCacheNextOffset (dir
->offset
+ sizeof(FcCache
));
531 if (lseek (fd_orig
, off
, SEEK_SET
) != off
)
537 if (read (fd_orig
, dir
->ent
, dir
->metadata
.count
)
538 != dir
->metadata
.count
)
546 FcCacheWriteString (fd
, d
);
548 for (i
= 0; i
< dir
->subdirs
->size
; i
++)
549 FcCacheWriteString (fd
, (char *)dir
->subdirs
->strs
[i
]);
550 FcCacheWriteString (fd
, "");
552 if (write (fd
, &dir
->metadata
, sizeof(FcCache
)) != sizeof(FcCache
))
554 perror ("write metadata");
558 off
= FcCacheNextOffset (lseek(fd
, 0, SEEK_CUR
));
559 if (lseek (fd
, off
, SEEK_SET
) != off
)
565 if (dir
->metadata
.count
)
567 if (write (fd
, dir
->ent
, dir
->metadata
.count
) != dir
->metadata
.count
)
569 perror ("write dirent");
576 FcCacheWriteString (fd
, "");
578 if (close (fd
) == -1)
584 if (!FcAtomicReplaceOrig (atomic
))
587 FcAtomicUnlock (atomic
);
588 FcAtomicDestroy (atomic
);
590 cache
->updated
= FcFalse
;
601 FcAtomicDeleteNew (atomic
);
603 FcAtomicUnlock (atomic
);
605 FcAtomicDestroy (atomic
);
610 * Find the next presumably-mmapable offset after the supplied file
614 FcCacheNextOffset(off_t w
)
616 static long pagesize
= -1;
618 #if defined (HAVE_SYSCONF)
619 pagesize
= sysconf(_SC_PAGESIZE
);
621 pagesize
= FC_HARDCODED_PAGESIZE
;
623 if (w
% pagesize
== 0)
626 return ((w
/ pagesize
)+1)*pagesize
;
629 /* return the address of the segment for the provided arch,
630 * or -1 if arch not found */
632 FcCacheSkipToArch (int fd
, const char * arch
)
634 char candidate_arch_machine_name_count
[MACHINE_SIGNATURE_SIZE
+ 9];
635 char * candidate_arch
;
636 off_t current_arch_start
= 0;
638 lseek (fd
, 0, SEEK_SET
);
639 FcCacheSkipString (fd
);
640 current_arch_start
= lseek (fd
, 0, SEEK_CUR
);
642 /* skip arches that are not the current arch */
647 if (lseek (fd
, current_arch_start
, SEEK_SET
) != current_arch_start
)
650 if (FcCacheReadString (fd
, candidate_arch_machine_name_count
,
651 sizeof (candidate_arch_machine_name_count
)) == 0)
653 if (!strlen(candidate_arch_machine_name_count
))
655 bs
= strtol(candidate_arch_machine_name_count
, &candidate_arch
, 16);
657 /* count = 0 should probably be distinguished from the !bs condition */
658 if (!bs
|| bs
< strlen (candidate_arch_machine_name_count
))
661 candidate_arch
++; /* skip leading space */
663 if (strcmp (candidate_arch
, arch
)==0)
664 return current_arch_start
;
665 current_arch_start
+= bs
;
666 current_arch_start
= FcCacheNextOffset (current_arch_start
);
670 /* Cuts out the segment at the file pointer (moves everything else
671 * down to cover it), and leaves the file pointer at the end of the
674 FcCacheCopyOld (int fd
, int fd_orig
, off_t start
)
676 char * buf
= malloc (8192);
677 char candidate_arch_machine_name
[MACHINE_SIGNATURE_SIZE
+ 9];
679 int c
, bytes_skipped
;
686 lseek (fd
, 0, SEEK_SET
); lseek (fd_orig
, 0, SEEK_SET
);
687 FcCacheSkipString (fd
); FcCacheSkipString (fd_orig
);
694 if ((c
= read (fd_orig
, buf
, b
)) <= 0)
696 if (write (fd
, buf
, c
) < 0)
703 lseek (fd
, start
, SEEK_SET
);
704 if (FcCacheReadString (fd
, candidate_arch_machine_name
,
705 sizeof (candidate_arch_machine_name
)) == 0)
707 if (!strlen(candidate_arch_machine_name
))
710 bs
= strtol(candidate_arch_machine_name
, 0, 16);
717 lseek (fd
, start
+bs
+bytes_skipped
, SEEK_SET
);
718 if ((c
= read (fd
, buf
, 8192)) <= 0)
720 lseek (fd
, start
+bytes_skipped
, SEEK_SET
);
721 if (write (fd
, buf
, c
) < 0)
726 lseek (fd
, start
+bytes_skipped
, SEEK_SET
);
737 /* Does not check that the cache has the appropriate arch section. */
738 /* Also, this can be fooled if the original location has a stale
739 * cache, and the hashed location has an up-to-date cache. Oh well,
740 * sucks to be you in that case! */
742 FcDirCacheValid (const FcChar8
*dir
)
744 struct stat file_stat
, dir_stat
;
747 if (stat ((char *) dir
, &dir_stat
) < 0)
750 fd
= FcDirCacheOpen (dir
);
754 if (fstat (fd
, &file_stat
) < 0)
760 * If the directory has been modified more recently than
761 * the cache file, the cache is not valid
763 if (dir_stat
.st_mtime
> file_stat
.st_mtime
)
773 /* Assumes that the cache file in 'dir' exists.
774 * Checks that the cache has the appropriate arch section. */
776 FcDirCacheHasCurrentArch (const FcChar8
*dir
)
779 off_t current_arch_start
;
780 char *current_arch_machine_name
;
782 char subdirName
[FC_MAX_FILE_LEN
+ 1 + 12 + 1];
784 fd
= FcDirCacheOpen (dir
);
788 current_arch_machine_name
= FcCacheMachineSignature();
789 current_arch_start
= FcCacheSkipToArch(fd
, current_arch_machine_name
);
791 if (current_arch_start
>= 0)
793 if (lseek (fd
, current_arch_start
, SEEK_SET
) != current_arch_start
)
796 FcCacheSkipString (fd
);
798 while (FcCacheReadString (fd
, subdirName
, sizeof (subdirName
)) && strlen (subdirName
) > 0)
801 if (read(fd
, &metadata
, sizeof(FcCache
)) != sizeof(FcCache
))
804 if (metadata
.magic
!= FC_CACHE_MAGIC
)
810 if (current_arch_start
< 0)
822 FcDirCacheUnlink (const FcChar8
*dir
, FcConfig
*config
)
825 char *cache_hashed
= 0;
827 struct stat cache_stat
;
828 char name_buf
[FC_MAX_FILE_LEN
];
830 dir
= FcConfigNormalizeFontDir (config
, dir
);
831 cache_file
= (char *)FcStrPlus (dir
, (FcChar8
*) "/" FC_DIR_CACHE_FILE
);
835 /* First remove normal cache file. */
836 if (stat ((char *) cache_file
, &cache_stat
) == 0)
837 unlink ((char *)cache_file
);
839 /* Next remove any applicable hashed files. */
840 fd
= -1; collisions
= 0;
844 FcStrFree ((FcChar8
*)cache_hashed
);
846 cache_hashed
= FcDirCacheHashName (cache_file
, collisions
++);
852 fd
= open(cache_hashed
, O_RDONLY
| O_BINARY
);
855 FcStrFree ((FcChar8
*)cache_file
);
859 if (!FcCacheReadString (fd
, name_buf
, sizeof (name_buf
)) || !strlen(name_buf
))
861 FcStrFree ((FcChar8
*)cache_hashed
);
864 } while (strcmp (name_buf
, cache_file
) != 0);
868 if (stat ((char *) cache_hashed
, &cache_stat
) == 0 &&
869 unlink ((char *)cache_hashed
) != 0)
871 FcStrFree ((FcChar8
*)cache_hashed
);
875 FcStrFree ((FcChar8
*)cache_file
);
876 FcStrFree ((FcChar8
*)cache_hashed
);
880 FcStrFree ((FcChar8
*)cache_file
);
885 FcCacheReadDirs (FcConfig
* config
, FcGlobalCache
* cache
,
886 FcStrList
*list
, FcFontSet
* set
, FcStrSet
*processed_dirs
)
896 * Read in the results from 'list'.
898 while ((dir
= FcStrListNext (list
)))
900 if (!FcConfigAcceptFilename (config
, dir
))
903 /* Skip this directory if already updated
904 * to avoid the looped directories via symlinks
905 * Clearly a dir not in fonts.conf shouldn't be globally cached.
907 dir
= (FcChar8
*)FcConfigNormalizeFontDir (config
, dir
);
911 if (FcStrSetMember (processed_dirs
, dir
))
913 if (!FcStrSetAdd (processed_dirs
, dir
))
916 subdirs
= FcStrSetCreate ();
919 fprintf (stderr
, "Can't create directory set\n");
924 if (access ((char *) dir
, X_OK
) < 0)
932 fprintf (stderr
, "\"%s\": ", dir
);
936 FcStrSetDestroy (subdirs
);
939 if (stat ((char *) dir
, &statb
) == -1)
941 fprintf (stderr
, "\"%s\": ", dir
);
943 FcStrSetDestroy (subdirs
);
947 if (!S_ISDIR (statb
.st_mode
))
949 fprintf (stderr
, "\"%s\": not a directory, skipping\n", dir
);
950 FcStrSetDestroy (subdirs
);
953 if (FcDirCacheValid (dir
) &&
954 FcDirCacheHasCurrentArch (dir
) &&
955 FcDirCacheRead (set
, subdirs
, dir
, config
))
957 /* if an old entry is found in the global cache, disable it */
958 if ((d
= FcGlobalCacheDirFind (cache
, (const char *)dir
)) != NULL
)
960 d
->state
= FcGCDirDisabled
;
961 /* save the updated config later without this entry */
962 cache
->updated
= FcTrue
;
967 if (FcDebug () & FC_DBG_FONTSET
)
968 printf ("cache scan dir %s\n", dir
);
970 FcDirScanConfig (set
, subdirs
, cache
,
971 config
->blanks
, dir
, FcFalse
, config
);
973 sublist
= FcStrListCreate (subdirs
);
974 FcStrSetDestroy (subdirs
);
977 fprintf (stderr
, "Can't create subdir list in \"%s\"\n", dir
);
981 ret
+= FcCacheReadDirs (config
, cache
, sublist
, set
, processed_dirs
);
983 FcStrListDone (list
);
988 FcCacheRead (FcConfig
*config
, FcGlobalCache
* cache
)
990 FcFontSet
*s
= FcFontSetCreate();
991 FcStrSet
*processed_dirs
;
996 processed_dirs
= FcStrSetCreate();
1000 if (FcCacheReadDirs (config
, cache
, FcConfigGetConfigDirs (config
), s
, processed_dirs
))
1003 FcStrSetDestroy (processed_dirs
);
1007 FcStrSetDestroy (processed_dirs
);
1009 FcFontSetDestroy (s
);
1013 static const char bin2hex
[] = { '0', '1', '2', '3',
1016 'c', 'd', 'e', 'f' };
1019 FcDirCacheHashName (char * cache_file
, int collisions
)
1021 unsigned char hash
[16], hex_hash
[33];
1023 unsigned char uscore
= '_';
1026 struct MD5Context ctx
;
1029 MD5Update (&ctx
, (unsigned char *)cache_file
, strlen (cache_file
));
1031 for (i
= 0; i
< collisions
; i
++)
1032 MD5Update (&ctx
, &uscore
, 1);
1034 MD5Final (hash
, &ctx
);
1036 for (cnt
= 0; cnt
< 16; ++cnt
)
1038 hex_hash
[2*cnt
] = bin2hex
[hash
[cnt
] >> 4];
1039 hex_hash
[2*cnt
+1] = bin2hex
[hash
[cnt
] & 0xf];
1043 tmp
= FcStrPlus ((FcChar8
*)hex_hash
, (FcChar8
*)FC_CACHE_SUFFIX
);
1047 cache_hashed
= (char *)FcStrPlus ((FcChar8
*)PKGCACHEDIR
"/", tmp
);
1050 return cache_hashed
;
1053 /* Opens the hashed name for cache_file.
1054 * This would fail in the unlikely event of a collision and subsequent
1055 * removal of the file which originally caused the collision. */
1057 FcDirCacheOpen (const FcChar8
*dir
)
1060 int fd
= -1, collisions
= 0;
1061 char *cache_file
, *cache_hashed
;
1062 char name_buf
[FC_MAX_FILE_LEN
];
1063 struct stat dir_stat
;
1065 if (stat ((char *)dir
, &dir_stat
) == -1)
1068 cache_file
= (char *)FcStrPlus (dir
, (FcChar8
*) "/" FC_DIR_CACHE_FILE
);
1076 FcChar8
*name_buf_dir
;
1081 cache_hashed
= FcDirCacheHashName (cache_file
, collisions
++);
1084 FcStrFree ((FcChar8
*)cache_file
);
1088 fd
= open(cache_hashed
, O_RDONLY
| O_BINARY
);
1089 FcStrFree ((FcChar8
*)cache_hashed
);
1093 if (!FcCacheReadString (fd
, name_buf
, sizeof (name_buf
)) ||
1097 name_buf_dir
= FcStrDirname ((FcChar8
*)name_buf
);
1098 if (stat ((char *)name_buf_dir
, &c
) == -1)
1100 FcStrFree (name_buf_dir
);
1103 FcStrFree (name_buf_dir
);
1104 found
= (c
.st_ino
== dir_stat
.st_ino
) && (c
.st_dev
== dir_stat
.st_dev
);
1107 if (!found
|| fd
< 0)
1111 fd
= open(cache_file
, O_RDONLY
| O_BINARY
);
1114 FcStrFree ((FcChar8
*)cache_file
);
1118 /* read serialized state from the cache file */
1120 FcDirCacheRead (FcFontSet
* set
, FcStrSet
* dirs
, const FcChar8
*dir
, FcConfig
*config
)
1123 char *current_arch_machine_name
;
1124 char candidate_arch_machine_name
[9+MACHINE_SIGNATURE_SIZE
];
1125 off_t current_arch_start
= 0;
1126 char subdirName
[FC_MAX_FILE_LEN
+ 1 + 12 + 1];
1128 fd
= FcDirCacheOpen (dir
);
1132 current_arch_machine_name
= FcCacheMachineSignature();
1133 current_arch_start
= FcCacheSkipToArch(fd
,
1134 current_arch_machine_name
);
1135 if (current_arch_start
< 0)
1138 lseek (fd
, current_arch_start
, SEEK_SET
);
1139 if (FcCacheReadString (fd
, candidate_arch_machine_name
,
1140 sizeof (candidate_arch_machine_name
)) == 0)
1143 while (FcCacheReadString (fd
, subdirName
, sizeof (subdirName
)) && strlen (subdirName
) > 0)
1144 FcStrSetAdd (dirs
, (FcChar8
*)subdirName
);
1146 if (!FcDirCacheConsume (fd
, (const char *)dir
, set
, config
))
1159 FcDirCacheConsume (int fd
, const char * dir
, FcFontSet
*set
, FcConfig
*config
)
1162 void * current_dir_block
;
1165 if (read(fd
, &metadata
, sizeof(FcCache
)) != sizeof(FcCache
))
1167 if (metadata
.magic
!= FC_CACHE_MAGIC
)
1170 if (!metadata
.count
)
1172 pos
= FcCacheNextOffset (lseek(fd
, 0, SEEK_CUR
));
1173 lseek (fd
, pos
, SEEK_SET
);
1175 FcConfigAddFontDir (config
, (FcChar8
*)dir
);
1179 pos
= FcCacheNextOffset (lseek(fd
, 0, SEEK_CUR
));
1180 #if defined(HAVE_MMAP) || defined(__CYGWIN__)
1181 current_dir_block
= mmap (0, metadata
.count
,
1182 PROT_READ
, MAP_SHARED
, fd
, pos
);
1183 if (current_dir_block
== MAP_FAILED
)
1186 current_dir_block
= malloc (metadata
.count
);
1187 if (!current_dir_block
)
1190 /* could also use CreateMappedViewOfFile under MinGW... */
1191 if (read (fd
, current_dir_block
, metadata
.count
) != metadata
.count
)
1194 lseek (fd
, pos
+metadata
.count
, SEEK_SET
);
1196 FcCacheAddBankDir (metadata
.bank
, dir
);
1198 FcConfigAddFontDir (config
, (FcChar8
*)dir
);
1200 if (!FcFontSetUnserialize (&metadata
, set
, current_dir_block
))
1205 #if !(defined(HAVE_MMAP) || defined(__CYGWIN__))
1206 free (current_dir_block
);
1212 FcDirCacheProduce (FcFontSet
*set
, FcCache
*metadata
)
1214 void * current_dir_block
, * final_dir_block
;
1215 static unsigned int rand_state
= 0;
1216 int bank
, needed_bytes_no_align
;
1218 #if defined (HAVE_RAND_R)
1220 rand_state
= time(0L);
1221 bank
= rand_r(&rand_state
);
1223 while (FcCacheHaveBank(bank
))
1224 bank
= rand_r(&rand_state
);
1233 while (FcCacheHaveBank(bank
))
1237 memset (metadata
, 0, sizeof(FcCache
));
1239 needed_bytes_no_align
= FcFontSetNeededBytes (set
);
1240 metadata
->count
= needed_bytes_no_align
+
1241 FcFontSetNeededBytesAlign ();
1242 metadata
->magic
= FC_CACHE_MAGIC
;
1243 metadata
->bank
= bank
;
1245 if (!needed_bytes_no_align
) /* not a failure, no fonts to write */
1247 /* no, you don't really need to write any bytes at all. */
1248 metadata
->count
= 0;
1252 current_dir_block
= malloc (metadata
->count
);
1253 if (!current_dir_block
)
1255 /* shut up valgrind */
1256 memset (current_dir_block
, 0, metadata
->count
);
1257 final_dir_block
= FcFontSetDistributeBytes (metadata
, current_dir_block
);
1259 if ((void *)((char *)current_dir_block
+metadata
->count
) < final_dir_block
)
1262 if (!FcFontSetSerialize (bank
, set
))
1265 return current_dir_block
;
1268 free (current_dir_block
);
1272 /* write serialized state to the cache file */
1274 FcDirCacheWrite (FcFontSet
*set
, FcStrSet
*dirs
, const FcChar8
*dir
)
1278 int fd
, fd_orig
, i
, dirs_count
;
1281 off_t current_arch_start
= 0, truncate_to
;
1282 char name_buf
[FC_MAX_FILE_LEN
];
1285 char *current_arch_machine_name
, * header
;
1286 void *current_dir_block
= 0;
1288 dir
= FcConfigNormalizeFontDir (FcConfigGetCurrent(), dir
);
1292 cache_file
= (char *)FcStrPlus (dir
, (FcChar8
*) "/" FC_DIR_CACHE_FILE
);
1296 /* Ensure that we're not trampling a cache for some other dir. */
1297 /* This is slightly different from FcDirCacheOpen, since it
1298 * needs the filename, not the file descriptor. */
1299 fd
= -1; collisions
= 0;
1302 cache_hashed
= FcDirCacheHashName (cache_file
, collisions
++);
1308 fd
= open(cache_hashed
, O_RDONLY
| O_BINARY
);
1311 if(!FcCacheReadString (fd
, name_buf
, sizeof (name_buf
)) || !strlen(name_buf
))
1318 if (strcmp (name_buf
, cache_file
) != 0)
1324 current_dir_block
= FcDirCacheProduce (set
, &metadata
);
1326 if (metadata
.count
&& !current_dir_block
)
1329 if (FcDebug () & FC_DBG_CACHE
)
1330 printf ("FcDirCacheWriteDir cache_file \"%s\"\n", cache_file
);
1332 atomic
= FcAtomicCreate ((FcChar8
*)cache_hashed
);
1336 if (!FcAtomicLock (atomic
))
1338 /* Now try rewriting the original version of the file. */
1339 FcAtomicDestroy (atomic
);
1341 atomic
= FcAtomicCreate ((FcChar8
*)cache_file
);
1342 fd_orig
= open (cache_file
, O_RDONLY
| O_BINARY
);
1344 fd_orig
= open((char *)FcAtomicOrigFile (atomic
), O_RDONLY
| O_BINARY
);
1346 fd
= open((char *)FcAtomicNewFile (atomic
), O_RDWR
| O_CREAT
| O_BINARY
, 0666);
1351 /* In all cases, try opening the real location of the cache file first. */
1352 /* (even if that's not atomic.) */
1353 fd_orig
= open (cache_file
, O_RDONLY
| O_BINARY
);
1355 fd_orig
= open((char *)FcAtomicOrigFile (atomic
), O_RDONLY
| O_BINARY
);
1357 fd
= open((char *)FcAtomicNewFile (atomic
), O_RDWR
| O_CREAT
| O_BINARY
, 0666);
1361 FcCacheWriteString (fd
, cache_file
);
1363 current_arch_machine_name
= FcCacheMachineSignature ();
1364 current_arch_start
= 0;
1367 current_arch_start
=
1368 FcCacheSkipToArch(fd_orig
, current_arch_machine_name
);
1370 if (current_arch_start
< 0)
1372 off_t offset
= lseek(fd_orig
, 0, SEEK_END
);
1373 current_arch_start
= FcCacheNextOffset (offset
);
1376 if (fd_orig
!= -1 && !FcCacheCopyOld(fd
, fd_orig
, current_arch_start
))
1382 current_arch_start
= lseek(fd
, 0, SEEK_CUR
);
1383 #if defined (HAVE_FTRUNCATE)
1384 if (ftruncate (fd
, current_arch_start
) == -1)
1387 #if defined (HAVE_CHSIZE)
1388 if (chsize (fd
, current_arch_start
) == -1)
1395 /* allocate space for subdir names in this block */
1397 for (i
= 0; i
< dirs
->size
; i
++)
1398 dirs_count
+= strlen((char *)dirs
->strs
[i
]) + 1;
1401 /* now write the address of the next offset */
1402 truncate_to
= FcCacheNextOffset (FcCacheNextOffset (current_arch_start
+ sizeof (FcCache
) + dirs_count
) + metadata
.count
) - current_arch_start
;
1403 header
= malloc (10 + strlen (current_arch_machine_name
));
1406 sprintf (header
, "%8x ", (int)truncate_to
);
1407 strcat (header
, current_arch_machine_name
);
1408 if (!FcCacheWriteString (fd
, header
))
1411 for (i
= 0; i
< dirs
->size
; i
++)
1412 FcCacheWriteString (fd
, (char *)dirs
->strs
[i
]);
1413 FcCacheWriteString (fd
, "");
1415 if (write (fd
, &metadata
, sizeof(FcCache
)) != sizeof(FcCache
))
1417 perror("write metadata");
1422 off_t off
= FcCacheNextOffset (lseek(fd
, 0, SEEK_END
));
1423 if (lseek (fd
, off
, SEEK_SET
) != off
)
1425 else if (write (fd
, current_dir_block
, metadata
.count
) !=
1427 perror("write current_dir_block");
1428 free (current_dir_block
);
1429 current_dir_block
= 0;
1432 /* this actually serves to pad out the cache file, if needed */
1433 #if defined (HAVE_FTRUNCATE)
1434 if (ftruncate (fd
, current_arch_start
+ truncate_to
) == -1)
1437 #if defined (HAVE_CHSIZE)
1438 if (chsize (fd
, current_arch_start
+ truncate_to
) == -1)
1447 if (!FcAtomicReplaceOrig(atomic
))
1449 FcStrFree ((FcChar8
*)cache_hashed
);
1450 FcStrFree ((FcChar8
*)cache_file
);
1451 FcAtomicUnlock (atomic
);
1452 FcAtomicDestroy (atomic
);
1460 FcAtomicUnlock (atomic
);
1462 FcAtomicDestroy (atomic
);
1464 FcStrFree ((FcChar8
*)cache_hashed
);
1466 unlink ((char *)cache_file
);
1467 FcStrFree ((FcChar8
*)cache_file
);
1468 if (current_dir_block
)
1469 free (current_dir_block
);
1475 FcCacheMachineSignature ()
1477 static char buf
[MACHINE_SIGNATURE_SIZE
];
1478 int32_t magic
= ENDIAN_TEST
;
1479 char * m
= (char *)&magic
;
1481 sprintf (buf
, "%2x%2x%2x%2x "
1482 "%4x %4x %4x %4x %4x %4x %4x %4x %4x %4x %4x %4x "
1483 "%4x %4x %4x %4x %4x %4x %4x %4x\n",
1484 m
[0], m
[1], m
[2], m
[3],
1485 (unsigned int)sizeof (char),
1486 (unsigned int)sizeof (char *),
1487 (unsigned int)sizeof (int),
1488 (unsigned int)sizeof (FcPattern
),
1489 (unsigned int)sizeof (FcPatternEltPtr
),
1490 (unsigned int)sizeof (struct _FcPatternElt
*),
1491 (unsigned int)sizeof (FcPatternElt
),
1492 (unsigned int)sizeof (FcObjectPtr
),
1493 (unsigned int)sizeof (FcValueListPtr
),
1494 (unsigned int)sizeof (FcValue
),
1495 (unsigned int)sizeof (FcValueBinding
),
1496 (unsigned int)sizeof (struct _FcValueList
*),
1497 (unsigned int)sizeof (FcCharSet
),
1498 (unsigned int)sizeof (FcCharLeaf
**),
1499 (unsigned int)sizeof (FcChar16
*),
1500 (unsigned int)sizeof (FcChar16
),
1501 (unsigned int)sizeof (FcCharLeaf
),
1502 (unsigned int)sizeof (FcChar32
),
1503 (unsigned int)sizeof (FcCache
),
1504 #if defined (HAVE_SYSCONF)
1505 (unsigned int)sysconf(_SC_PAGESIZE
));
1507 (unsigned int)FC_HARDCODED_PAGESIZE
);
1513 static int banks_ptr
= 0, banks_alloc
= 0;
1514 int * _fcBankId
= 0, * _fcBankIdx
= 0;
1515 static const char ** bankDirs
= 0;
1518 FcCacheHaveBank (int bank
)
1522 if (bank
< FC_BANK_FIRST
)
1525 for (i
= 0; i
< banks_ptr
; i
++)
1526 if (_fcBankId
[i
] == bank
)
1533 FcCacheBankToIndexMTF (int bank
)
1537 for (i
= 0; i
< banks_ptr
; i
++)
1538 if (_fcBankId
[_fcBankIdx
[i
]] == bank
)
1540 int t
= _fcBankIdx
[i
];
1542 for (j
= i
; j
> 0; j
--)
1543 _fcBankIdx
[j
] = _fcBankIdx
[j
-1];
1548 if (banks_ptr
>= banks_alloc
)
1553 b
= realloc (_fcBankId
, (banks_alloc
+ 4) * sizeof(int));
1558 bidx
= realloc (_fcBankIdx
, (banks_alloc
+ 4) * sizeof(int));
1563 bds
= realloc (bankDirs
, (banks_alloc
+ 4) * sizeof (char *));
1572 _fcBankId
[i
] = bank
;
1578 FcCacheAddBankDir (int bank
, const char * dir
)
1580 int bi
= FcCacheBankToIndexMTF (bank
);
1585 bankDirs
[bi
] = (const char *)FcStrCopy ((FcChar8
*)dir
);
1589 FcCacheFindBankDir (int bank
)
1591 int bi
= FcCacheBankToIndex (bank
);
1592 return bankDirs
[bi
];
1596 * This code implements the MD5 message-digest algorithm.
1597 * The algorithm is due to Ron Rivest. This code was
1598 * written by Colin Plumb in 1993, no copyright is claimed.
1599 * This code is in the public domain; do with it what you wish.
1601 * Equivalent code is available from RSA Data Security, Inc.
1602 * This code has been tested against that, and is equivalent,
1603 * except that you don't need to include two pages of legalese
1606 * To compute the message digest of a chunk of bytes, declare an
1607 * MD5Context structure, pass it to MD5Init, call MD5Update as
1608 * needed on buffers full of bytes, and then call MD5Final, which
1609 * will fill a supplied 16-byte array with the digest.
1613 #define byteReverse(buf, len) /* Nothing */
1616 * Note: this code is harmless on little-endian machines.
1618 void byteReverse(unsigned char *buf
, unsigned longs
)
1622 t
= (FcChar32
) ((unsigned) buf
[3] << 8 | buf
[2]) << 16 |
1623 ((unsigned) buf
[1] << 8 | buf
[0]);
1624 *(FcChar32
*) buf
= t
;
1631 * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
1632 * initialization constants.
1634 static void MD5Init(struct MD5Context
*ctx
)
1636 ctx
->buf
[0] = 0x67452301;
1637 ctx
->buf
[1] = 0xefcdab89;
1638 ctx
->buf
[2] = 0x98badcfe;
1639 ctx
->buf
[3] = 0x10325476;
1646 * Update context to reflect the concatenation of another buffer full
1649 static void MD5Update(struct MD5Context
*ctx
, unsigned char *buf
, unsigned len
)
1653 /* Update bitcount */
1656 if ((ctx
->bits
[0] = t
+ ((FcChar32
) len
<< 3)) < t
)
1657 ctx
->bits
[1]++; /* Carry from low to high */
1658 ctx
->bits
[1] += len
>> 29;
1660 t
= (t
>> 3) & 0x3f; /* Bytes already in shsInfo->data */
1662 /* Handle any leading odd-sized chunks */
1665 unsigned char *p
= (unsigned char *) ctx
->in
+ t
;
1669 memcpy(p
, buf
, len
);
1673 byteReverse(ctx
->in
, 16);
1674 MD5Transform(ctx
->buf
, (FcChar32
*) ctx
->in
);
1678 /* Process data in 64-byte chunks */
1681 memcpy(ctx
->in
, buf
, 64);
1682 byteReverse(ctx
->in
, 16);
1683 MD5Transform(ctx
->buf
, (FcChar32
*) ctx
->in
);
1688 /* Handle any remaining bytes of data. */
1690 memcpy(ctx
->in
, buf
, len
);
1694 * Final wrapup - pad to 64-byte boundary with the bit pattern
1695 * 1 0* (64-bit count of bits processed, MSB-first)
1697 static void MD5Final(unsigned char digest
[16], struct MD5Context
*ctx
)
1702 /* Compute number of bytes mod 64 */
1703 count
= (ctx
->bits
[0] >> 3) & 0x3F;
1705 /* Set the first char of padding to 0x80. This is safe since there is
1706 always at least one byte free */
1707 p
= ctx
->in
+ count
;
1710 /* Bytes of padding needed to make 64 bytes */
1711 count
= 64 - 1 - count
;
1713 /* Pad out to 56 mod 64 */
1715 /* Two lots of padding: Pad the first block to 64 bytes */
1716 memset(p
, 0, count
);
1717 byteReverse(ctx
->in
, 16);
1718 MD5Transform(ctx
->buf
, (FcChar32
*) ctx
->in
);
1720 /* Now fill the next block with 56 bytes */
1721 memset(ctx
->in
, 0, 56);
1723 /* Pad block to 56 bytes */
1724 memset(p
, 0, count
- 8);
1726 byteReverse(ctx
->in
, 14);
1728 /* Append length in bits and transform */
1729 ((FcChar32
*) ctx
->in
)[14] = ctx
->bits
[0];
1730 ((FcChar32
*) ctx
->in
)[15] = ctx
->bits
[1];
1732 MD5Transform(ctx
->buf
, (FcChar32
*) ctx
->in
);
1733 byteReverse((unsigned char *) ctx
->buf
, 4);
1734 memcpy(digest
, ctx
->buf
, 16);
1735 memset(ctx
, 0, sizeof(ctx
)); /* In case it's sensitive */
1739 /* The four core functions - F1 is optimized somewhat */
1741 /* #define F1(x, y, z) (x & y | ~x & z) */
1742 #define F1(x, y, z) (z ^ (x & (y ^ z)))
1743 #define F2(x, y, z) F1(z, x, y)
1744 #define F3(x, y, z) (x ^ y ^ z)
1745 #define F4(x, y, z) (y ^ (x | ~z))
1747 /* This is the central step in the MD5 algorithm. */
1748 #define MD5STEP(f, w, x, y, z, data, s) \
1749 ( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x )
1752 * The core of the MD5 algorithm, this alters an existing MD5 hash to
1753 * reflect the addition of 16 longwords of new data. MD5Update blocks
1754 * the data and converts bytes into longwords for this routine.
1756 static void MD5Transform(FcChar32 buf
[4], FcChar32 in
[16])
1758 register FcChar32 a
, b
, c
, d
;
1765 MD5STEP(F1
, a
, b
, c
, d
, in
[0] + 0xd76aa478, 7);
1766 MD5STEP(F1
, d
, a
, b
, c
, in
[1] + 0xe8c7b756, 12);
1767 MD5STEP(F1
, c
, d
, a
, b
, in
[2] + 0x242070db, 17);
1768 MD5STEP(F1
, b
, c
, d
, a
, in
[3] + 0xc1bdceee, 22);
1769 MD5STEP(F1
, a
, b
, c
, d
, in
[4] + 0xf57c0faf, 7);
1770 MD5STEP(F1
, d
, a
, b
, c
, in
[5] + 0x4787c62a, 12);
1771 MD5STEP(F1
, c
, d
, a
, b
, in
[6] + 0xa8304613, 17);
1772 MD5STEP(F1
, b
, c
, d
, a
, in
[7] + 0xfd469501, 22);
1773 MD5STEP(F1
, a
, b
, c
, d
, in
[8] + 0x698098d8, 7);
1774 MD5STEP(F1
, d
, a
, b
, c
, in
[9] + 0x8b44f7af, 12);
1775 MD5STEP(F1
, c
, d
, a
, b
, in
[10] + 0xffff5bb1, 17);
1776 MD5STEP(F1
, b
, c
, d
, a
, in
[11] + 0x895cd7be, 22);
1777 MD5STEP(F1
, a
, b
, c
, d
, in
[12] + 0x6b901122, 7);
1778 MD5STEP(F1
, d
, a
, b
, c
, in
[13] + 0xfd987193, 12);
1779 MD5STEP(F1
, c
, d
, a
, b
, in
[14] + 0xa679438e, 17);
1780 MD5STEP(F1
, b
, c
, d
, a
, in
[15] + 0x49b40821, 22);
1782 MD5STEP(F2
, a
, b
, c
, d
, in
[1] + 0xf61e2562, 5);
1783 MD5STEP(F2
, d
, a
, b
, c
, in
[6] + 0xc040b340, 9);
1784 MD5STEP(F2
, c
, d
, a
, b
, in
[11] + 0x265e5a51, 14);
1785 MD5STEP(F2
, b
, c
, d
, a
, in
[0] + 0xe9b6c7aa, 20);
1786 MD5STEP(F2
, a
, b
, c
, d
, in
[5] + 0xd62f105d, 5);
1787 MD5STEP(F2
, d
, a
, b
, c
, in
[10] + 0x02441453, 9);
1788 MD5STEP(F2
, c
, d
, a
, b
, in
[15] + 0xd8a1e681, 14);
1789 MD5STEP(F2
, b
, c
, d
, a
, in
[4] + 0xe7d3fbc8, 20);
1790 MD5STEP(F2
, a
, b
, c
, d
, in
[9] + 0x21e1cde6, 5);
1791 MD5STEP(F2
, d
, a
, b
, c
, in
[14] + 0xc33707d6, 9);
1792 MD5STEP(F2
, c
, d
, a
, b
, in
[3] + 0xf4d50d87, 14);
1793 MD5STEP(F2
, b
, c
, d
, a
, in
[8] + 0x455a14ed, 20);
1794 MD5STEP(F2
, a
, b
, c
, d
, in
[13] + 0xa9e3e905, 5);
1795 MD5STEP(F2
, d
, a
, b
, c
, in
[2] + 0xfcefa3f8, 9);
1796 MD5STEP(F2
, c
, d
, a
, b
, in
[7] + 0x676f02d9, 14);
1797 MD5STEP(F2
, b
, c
, d
, a
, in
[12] + 0x8d2a4c8a, 20);
1799 MD5STEP(F3
, a
, b
, c
, d
, in
[5] + 0xfffa3942, 4);
1800 MD5STEP(F3
, d
, a
, b
, c
, in
[8] + 0x8771f681, 11);
1801 MD5STEP(F3
, c
, d
, a
, b
, in
[11] + 0x6d9d6122, 16);
1802 MD5STEP(F3
, b
, c
, d
, a
, in
[14] + 0xfde5380c, 23);
1803 MD5STEP(F3
, a
, b
, c
, d
, in
[1] + 0xa4beea44, 4);
1804 MD5STEP(F3
, d
, a
, b
, c
, in
[4] + 0x4bdecfa9, 11);
1805 MD5STEP(F3
, c
, d
, a
, b
, in
[7] + 0xf6bb4b60, 16);
1806 MD5STEP(F3
, b
, c
, d
, a
, in
[10] + 0xbebfbc70, 23);
1807 MD5STEP(F3
, a
, b
, c
, d
, in
[13] + 0x289b7ec6, 4);
1808 MD5STEP(F3
, d
, a
, b
, c
, in
[0] + 0xeaa127fa, 11);
1809 MD5STEP(F3
, c
, d
, a
, b
, in
[3] + 0xd4ef3085, 16);
1810 MD5STEP(F3
, b
, c
, d
, a
, in
[6] + 0x04881d05, 23);
1811 MD5STEP(F3
, a
, b
, c
, d
, in
[9] + 0xd9d4d039, 4);
1812 MD5STEP(F3
, d
, a
, b
, c
, in
[12] + 0xe6db99e5, 11);
1813 MD5STEP(F3
, c
, d
, a
, b
, in
[15] + 0x1fa27cf8, 16);
1814 MD5STEP(F3
, b
, c
, d
, a
, in
[2] + 0xc4ac5665, 23);
1816 MD5STEP(F4
, a
, b
, c
, d
, in
[0] + 0xf4292244, 6);
1817 MD5STEP(F4
, d
, a
, b
, c
, in
[7] + 0x432aff97, 10);
1818 MD5STEP(F4
, c
, d
, a
, b
, in
[14] + 0xab9423a7, 15);
1819 MD5STEP(F4
, b
, c
, d
, a
, in
[5] + 0xfc93a039, 21);
1820 MD5STEP(F4
, a
, b
, c
, d
, in
[12] + 0x655b59c3, 6);
1821 MD5STEP(F4
, d
, a
, b
, c
, in
[3] + 0x8f0ccc92, 10);
1822 MD5STEP(F4
, c
, d
, a
, b
, in
[10] + 0xffeff47d, 15);
1823 MD5STEP(F4
, b
, c
, d
, a
, in
[1] + 0x85845dd1, 21);
1824 MD5STEP(F4
, a
, b
, c
, d
, in
[8] + 0x6fa87e4f, 6);
1825 MD5STEP(F4
, d
, a
, b
, c
, in
[15] + 0xfe2ce6e0, 10);
1826 MD5STEP(F4
, c
, d
, a
, b
, in
[6] + 0xa3014314, 15);
1827 MD5STEP(F4
, b
, c
, d
, a
, in
[13] + 0x4e0811a1, 21);
1828 MD5STEP(F4
, a
, b
, c
, d
, in
[4] + 0xf7537e82, 6);
1829 MD5STEP(F4
, d
, a
, b
, c
, in
[11] + 0xbd3af235, 10);
1830 MD5STEP(F4
, c
, d
, a
, b
, in
[2] + 0x2ad7d2bb, 15);
1831 MD5STEP(F4
, b
, c
, d
, a
, in
[9] + 0xeb86d391, 21);