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.
30 #include <sys/types.h>
31 #if defined(HAVE_MMAP) || defined(__CYGWIN__)
33 # include <sys/mman.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 (FcConfig
*config
, const FcChar8
*dir
, FcChar8
**cache_path
);
51 FcCacheSkipToArch (int fd
, const char * arch
);
54 FcCacheCopyOld (int fd
, int fd_orig
, off_t start
);
57 FcDirCacheProduce (FcFontSet
*set
, FcCache
* metadata
);
60 FcDirCacheConsume (int fd
, const char * dir
, FcFontSet
*set
, FcConfig
*config
);
63 FcCacheNextOffset(off_t w
);
66 FcCacheMachineSignature (void);
69 FcCacheHaveBank (int bank
);
72 FcCacheAddBankDir (int bank
, const char * dir
);
80 static void MD5Init(struct MD5Context
*ctx
);
81 static void MD5Update(struct MD5Context
*ctx
, unsigned char *buf
, unsigned len
);
82 static void MD5Final(unsigned char digest
[16], struct MD5Context
*ctx
);
83 static void MD5Transform(FcChar32 buf
[4], FcChar32 in
[16]);
85 #define FC_DBG_CACHE_REF 1024
88 FcCacheReadString (int fd
, char *dest
, int len
)
96 size
= read (fd
, dest
, len
-1);
101 slen
= strlen (dest
);
103 lseek (fd
, slen
- size
+ 1, SEEK_CUR
);
104 return slen
< len
? dest
: 0;
111 FcCacheSkipString (int fd
)
117 while ( (size
= read (fd
, buf
, sizeof (buf
)-1)) > 0)
123 lseek (fd
, slen
- size
+ 1, SEEK_CUR
);
130 FcCacheWriteString (int fd
, const char *chars
)
132 if (write (fd
, chars
, strlen(chars
)+1) != strlen(chars
)+1)
138 FcGlobalCacheDirDestroy (FcGlobalCacheDir
*d
)
140 FcStrSetDestroy (d
->subdirs
);
141 FcMemFree (FC_MEM_STRING
, strlen (d
->name
)+1);
143 FcMemFree (FC_MEM_CACHE
, sizeof (FcGlobalCacheDir
));
148 FcGlobalCacheCreate (void)
150 FcGlobalCache
*cache
;
152 cache
= malloc (sizeof (FcGlobalCache
));
155 FcMemAlloc (FC_MEM_CACHE
, sizeof (FcGlobalCache
));
157 cache
->updated
= FcFalse
;
163 FcGlobalCacheDestroy (FcGlobalCache
*cache
)
165 FcGlobalCacheDir
*d
, *next
;
167 for (d
= cache
->dirs
; d
; d
= next
)
170 FcGlobalCacheDirDestroy (d
);
172 FcMemFree (FC_MEM_CACHE
, sizeof (FcGlobalCache
));
179 FcGlobalCacheLoad (FcGlobalCache
*cache
,
181 const FcChar8
*cache_file
,
184 char name_buf
[FC_MAX_FILE_LEN
];
185 FcGlobalCacheDir
*d
, *next
;
186 FcFileTime config_time
= FcConfigModifiedTime (config
);
187 char * current_arch_machine_name
;
188 char candidate_arch_machine_name
[MACHINE_SIGNATURE_SIZE
+ 9];
189 off_t current_arch_start
;
191 struct stat cache_stat
, dir_stat
;
192 char subdirName
[FC_MAX_FILE_LEN
+ 1 + 12 + 1];
194 if (stat ((char *) cache_file
, &cache_stat
) < 0)
197 cache
->fd
= open ((char *) cache_file
, O_RDONLY
| O_BINARY
);
201 cache
->updated
= FcFalse
;
203 if (!FcCacheReadString (cache
->fd
, name_buf
, sizeof (name_buf
)))
204 goto bail_and_destroy
;
205 if (strcmp (name_buf
, FC_GLOBAL_MAGIC_COOKIE
) != 0)
206 goto bail_and_destroy
;
208 current_arch_machine_name
= FcCacheMachineSignature ();
209 current_arch_start
= FcCacheSkipToArch(cache
->fd
,
210 current_arch_machine_name
);
211 if (current_arch_start
< 0)
214 lseek (cache
->fd
, current_arch_start
, SEEK_SET
);
215 if (!FcCacheReadString (cache
->fd
, candidate_arch_machine_name
,
216 sizeof (candidate_arch_machine_name
)))
217 goto bail_and_destroy
;
218 if (strlen(candidate_arch_machine_name
) == 0)
219 goto bail_and_destroy
;
225 if (!FcCacheReadString (cache
->fd
, name_buf
, sizeof (name_buf
)) ||
229 /* Directory must be older than the global cache file; also
230 cache must be newer than the config file. */
231 if (stat ((char *) name_buf
, &dir_stat
) < 0 ||
232 dir_stat
.st_mtime
> cache_stat
.st_mtime
||
233 (config_time
.set
&& cache_stat
.st_mtime
< config_time
.time
))
238 FcStrSetAdd (staleDirs
, (FcChar8
*)name_buf
);
241 while (FcCacheReadString (cache
->fd
, subdirName
,
242 sizeof (subdirName
)) &&
246 if (read (cache
->fd
, &md
, sizeof (FcCache
)) != sizeof(FcCache
))
248 perror ("read metadata");
251 off
= FcCacheNextOffset (lseek(cache
->fd
, 0, SEEK_CUR
)) + md
.count
;
252 if (lseek (cache
->fd
, off
, SEEK_SET
) != off
)
260 d
= malloc (sizeof (FcGlobalCacheDir
));
264 d
->next
= cache
->dirs
;
267 d
->name
= (char *)FcStrCopy ((FcChar8
*)name_buf
);
269 d
->state
= FcGCDirFileRead
;
271 d
->subdirs
= FcStrSetCreate();
274 if (!FcCacheReadString (cache
->fd
, subdirName
,
275 sizeof (subdirName
)) ||
276 !strlen (subdirName
))
278 FcStrSetAdd (d
->subdirs
, (FcChar8
*)subdirName
);
281 d
->offset
= lseek (cache
->fd
, 0, SEEK_CUR
);
282 if (read (cache
->fd
, &d
->metadata
, sizeof (FcCache
)) != sizeof (FcCache
))
284 targ
= FcCacheNextOffset (lseek(cache
->fd
, 0, SEEK_CUR
)) + d
->metadata
.count
;
285 if (lseek (cache
->fd
, targ
, SEEK_SET
) != targ
)
291 for (d
= cache
->dirs
; d
; d
= next
)
306 if (stat ((char *) cache_file
, &cache_stat
) == 0)
307 unlink ((char *)cache_file
);
314 FcGlobalCacheReadDir (FcFontSet
*set
, FcStrSet
*dirs
, FcGlobalCache
* cache
, const char *dir
, FcConfig
*config
)
322 for (d
= cache
->dirs
; d
; d
= d
->next
)
324 if (strcmp (d
->name
, dir
) == 0)
326 if (d
->state
== FcGCDirDisabled
)
329 if (d
->state
== FcGCDirFileRead
)
331 lseek (cache
->fd
, d
->offset
, SEEK_SET
);
332 if (!FcDirCacheConsume (cache
->fd
, d
->name
, set
, config
))
335 for (i
= 0; i
< d
->subdirs
->num
; i
++)
336 FcStrSetAdd (dirs
, (FcChar8
*)d
->subdirs
->strs
[i
]);
338 d
->state
= FcGCDirConsumed
;
347 static FcGlobalCacheDir
*
348 FcGlobalCacheDirFind (FcGlobalCache
*cache
, const char *name
)
350 FcGlobalCacheDir
* d
;
355 for (d
= cache
->dirs
; d
; d
= d
->next
)
356 if (strcmp((const char *)d
->name
, (const char *)name
) == 0)
363 FcGlobalCacheUpdate (FcGlobalCache
*cache
,
372 d
= FcGlobalCacheDirFind (cache
, name
);
376 d
= malloc (sizeof (FcGlobalCacheDir
));
379 d
->next
= cache
->dirs
;
382 /* free old resources */
383 FcStrFree ((FcChar8
*)d
->name
);
385 FcStrSetDestroy (d
->subdirs
);
388 cache
->updated
= FcTrue
;
390 d
->name
= (char *)FcStrCopy ((FcChar8
*)name
);
391 d
->ent
= FcDirCacheProduce (set
, &d
->metadata
);
393 d
->subdirs
= FcStrSetCreate();
394 d
->state
= FcGCDirUpdated
;
395 for (i
= 0; i
< dirs
->num
; i
++)
396 FcStrSetAdd (d
->subdirs
, dirs
->strs
[i
]);
401 FcGlobalCacheSave (FcGlobalCache
*cache
,
402 const FcChar8
*cache_file
,
406 FcGlobalCacheDir
*dir
;
408 off_t current_arch_start
= 0, truncate_to
;
409 char * current_arch_machine_name
, * header
;
414 #if defined (HAVE_GETUID) && defined (HAVE_GETEUID)
415 /* Set-UID programs can't safely update the cache */
416 if (getuid () != geteuid ())
420 atomic
= FcAtomicCreate (cache_file
);
424 if (!FcAtomicLock (atomic
))
426 fd
= open ((char *) FcAtomicNewFile(atomic
), O_RDWR
| O_CREAT
| O_BINARY
,
430 FcCacheWriteString (fd
, FC_GLOBAL_MAGIC_COOKIE
);
432 fd_orig
= open ((char *) FcAtomicOrigFile(atomic
), O_RDONLY
| O_BINARY
);
434 current_arch_machine_name
= FcCacheMachineSignature ();
436 current_arch_start
= 0;
438 current_arch_start
= FcCacheSkipToArch (fd_orig
,
439 current_arch_machine_name
);
441 if (current_arch_start
< 0)
443 off_t i
= lseek(fd_orig
, 0, SEEK_END
);
444 if (i
< strlen (FC_GLOBAL_MAGIC_COOKIE
)+1)
445 i
= strlen (FC_GLOBAL_MAGIC_COOKIE
)+1;
446 current_arch_start
= FcCacheNextOffset (i
);
449 if (!FcCacheCopyOld(fd
, fd_orig
, current_arch_start
))
452 current_arch_start
= lseek(fd
, 0, SEEK_CUR
);
453 #if defined (HAVE_FTRUNCATE)
454 if (ftruncate (fd
, current_arch_start
) == -1)
457 #if defined (HAVE_CHSIZE)
458 if (chsize (fd
, current_arch_start
) == -1)
465 header
= malloc (10 + strlen (current_arch_machine_name
));
469 truncate_to
= current_arch_start
+ strlen(current_arch_machine_name
) + 11;
470 for (dir
= cache
->dirs
; dir
; dir
= dir
->next
)
474 if (dir
->state
== FcGCDirDisabled
)
476 truncate_to
+= strlen(dir
->name
) + 1;
477 truncate_to
+= sizeof (FcCache
);
478 truncate_to
= FcCacheNextOffset (truncate_to
);
479 truncate_to
+= dir
->metadata
.count
;
481 for (i
= 0; i
< dir
->subdirs
->size
; i
++)
482 truncate_to
+= strlen((char *)dir
->subdirs
->strs
[i
]) + 1;
485 truncate_to
-= current_arch_start
;
487 sprintf (header
, "%8x ", (int)truncate_to
);
488 strcat (header
, current_arch_machine_name
);
489 if (!FcCacheWriteString (fd
, header
))
494 for (dir
= cache
->dirs
; dir
; dir
= dir
->next
)
500 if (!dir
->name
|| dir
->state
== FcGCDirDisabled
)
506 if (dir
->metadata
.count
&& !dir
->ent
)
508 if (dir
->state
== FcGCDirUpdated
|| fd_orig
< 0)
510 fprintf(stderr
, "Invalid metadata entry for %s, skipping...\n", d
);
513 /* copy the old content */
514 dir
->ent
= malloc (dir
->metadata
.count
);
517 perror("malloc error");
520 off
= FcCacheNextOffset (dir
->offset
+ sizeof(FcCache
));
521 if (lseek (fd_orig
, off
, SEEK_SET
) != off
)
527 if (read (fd_orig
, dir
->ent
, dir
->metadata
.count
)
528 != dir
->metadata
.count
)
536 FcCacheWriteString (fd
, d
);
538 for (i
= 0; i
< dir
->subdirs
->size
; i
++)
539 FcCacheWriteString (fd
, (char *)dir
->subdirs
->strs
[i
]);
540 FcCacheWriteString (fd
, "");
542 if (write (fd
, &dir
->metadata
, sizeof(FcCache
)) != sizeof(FcCache
))
544 perror ("write metadata");
548 off
= FcCacheNextOffset (lseek(fd
, 0, SEEK_CUR
));
549 if (lseek (fd
, off
, SEEK_SET
) != off
)
555 if (dir
->metadata
.count
)
557 if (write (fd
, dir
->ent
, dir
->metadata
.count
) != dir
->metadata
.count
)
559 perror ("write dirent");
566 FcCacheWriteString (fd
, "");
568 if (close (fd
) == -1)
574 if (!FcAtomicReplaceOrig (atomic
))
577 FcAtomicUnlock (atomic
);
578 FcAtomicDestroy (atomic
);
580 cache
->updated
= FcFalse
;
591 FcAtomicDeleteNew (atomic
);
593 FcAtomicUnlock (atomic
);
595 FcAtomicDestroy (atomic
);
600 * Find the next presumably-mmapable offset after the supplied file
604 FcCacheNextOffset(off_t w
)
606 static long pagesize
= -1;
612 #if defined (HAVE_SYSCONF)
613 pagesize
= sysconf(_SC_PAGESIZE
);
615 pagesize
= FC_HARDCODED_PAGESIZE
;
617 if (w
% pagesize
== 0)
620 return ((w
/ pagesize
)+1)*pagesize
;
623 /* return the address of the segment for the provided arch,
624 * or -1 if arch not found */
626 FcCacheSkipToArch (int fd
, const char * arch
)
628 char candidate_arch_machine_name_count
[MACHINE_SIGNATURE_SIZE
+ 9];
629 char * candidate_arch
;
630 off_t current_arch_start
= 0;
632 lseek (fd
, 0, SEEK_SET
);
633 FcCacheSkipString (fd
);
634 current_arch_start
= lseek (fd
, 0, SEEK_CUR
);
636 /* skip arches that are not the current arch */
641 if (lseek (fd
, current_arch_start
, SEEK_SET
) != current_arch_start
)
644 if (FcCacheReadString (fd
, candidate_arch_machine_name_count
,
645 sizeof (candidate_arch_machine_name_count
)) == 0)
647 if (!strlen(candidate_arch_machine_name_count
))
649 bs
= strtol(candidate_arch_machine_name_count
, &candidate_arch
, 16);
651 /* count = 0 should probably be distinguished from the !bs condition */
652 if (!bs
|| bs
< strlen (candidate_arch_machine_name_count
))
655 candidate_arch
++; /* skip leading space */
657 if (strcmp (candidate_arch
, arch
)==0)
658 return current_arch_start
;
659 current_arch_start
+= bs
;
660 current_arch_start
= FcCacheNextOffset (current_arch_start
);
664 /* Cuts out the segment at the file pointer (moves everything else
665 * down to cover it), and leaves the file pointer at the end of the
668 FcCacheCopyOld (int fd
, int fd_orig
, off_t start
)
670 char * buf
= malloc (8192);
671 char candidate_arch_machine_name
[MACHINE_SIGNATURE_SIZE
+ 9];
673 int c
, bytes_skipped
;
680 lseek (fd
, 0, SEEK_SET
); lseek (fd_orig
, 0, SEEK_SET
);
681 FcCacheSkipString (fd
); FcCacheSkipString (fd_orig
);
688 if ((c
= read (fd_orig
, buf
, b
)) <= 0)
690 if (write (fd
, buf
, c
) < 0)
697 lseek (fd
, start
, SEEK_SET
);
698 if (FcCacheReadString (fd
, candidate_arch_machine_name
,
699 sizeof (candidate_arch_machine_name
)) == 0)
701 if (!strlen(candidate_arch_machine_name
))
704 bs
= strtol(candidate_arch_machine_name
, 0, 16);
711 lseek (fd
, start
+bs
+bytes_skipped
, SEEK_SET
);
712 if ((c
= read (fd
, buf
, 8192)) <= 0)
714 lseek (fd
, start
+bytes_skipped
, SEEK_SET
);
715 if (write (fd
, buf
, c
) < 0)
720 lseek (fd
, start
+bytes_skipped
, SEEK_SET
);
731 /* Does not check that the cache has the appropriate arch section. */
733 FcDirCacheValid (const FcChar8
*dir
, FcConfig
*config
)
737 fd
= FcDirCacheOpen (config
, dir
, NULL
);
746 /* Assumes that the cache file in 'dir' exists.
747 * Checks that the cache has the appropriate arch section. */
749 FcDirCacheHasCurrentArch (const FcChar8
*dir
, FcConfig
*config
)
752 off_t current_arch_start
;
753 char *current_arch_machine_name
;
755 char subdirName
[FC_MAX_FILE_LEN
+ 1 + 12 + 1];
757 fd
= FcDirCacheOpen (config
, dir
, NULL
);
761 current_arch_machine_name
= FcCacheMachineSignature();
762 current_arch_start
= FcCacheSkipToArch(fd
, current_arch_machine_name
);
764 if (current_arch_start
>= 0)
766 if (lseek (fd
, current_arch_start
, SEEK_SET
) != current_arch_start
)
769 FcCacheSkipString (fd
);
771 while (FcCacheReadString (fd
, subdirName
, sizeof (subdirName
)) && strlen (subdirName
) > 0)
774 if (read(fd
, &metadata
, sizeof(FcCache
)) != sizeof(FcCache
))
777 if (metadata
.magic
!= FC_CACHE_MAGIC
)
783 if (current_arch_start
< 0)
794 #define CACHEBASE_LEN (1 + 32 + sizeof (FC_CACHE_SUFFIX))
796 static const char bin2hex
[] = { '0', '1', '2', '3',
799 'c', 'd', 'e', 'f' };
802 FcDirCacheBasename (const FcChar8
* dir
, FcChar8 cache_base
[CACHEBASE_LEN
])
804 unsigned char hash
[16];
807 struct MD5Context ctx
;
810 MD5Update (&ctx
, (unsigned char *)dir
, strlen ((char *) dir
));
812 MD5Final (hash
, &ctx
);
815 hex_hash
= cache_base
+ 1;
816 for (cnt
= 0; cnt
< 16; ++cnt
)
818 hex_hash
[2*cnt
] = bin2hex
[hash
[cnt
] >> 4];
819 hex_hash
[2*cnt
+1] = bin2hex
[hash
[cnt
] & 0xf];
822 strcat ((char *) cache_base
, FC_CACHE_SUFFIX
);
828 FcDirCacheUnlink (const FcChar8
*dir
, FcConfig
*config
)
831 FcChar8
*cache_hashed
= NULL
;
832 FcChar8 cache_base
[CACHEBASE_LEN
];
835 char dir_buf
[FC_MAX_FILE_LEN
];
837 FcDirCacheBasename (dir
, cache_base
);
839 list
= FcStrListCreate (config
->cacheDirs
);
843 while ((cache_dir
= FcStrListNext (list
)))
845 cache_hashed
= FcStrPlus (cache_dir
, cache_base
);
848 fd
= open((char *) cache_hashed
, O_RDONLY
| O_BINARY
);
849 FcStrFree (cache_hashed
);
852 if (FcCacheReadString (fd
, dir_buf
, sizeof (dir_buf
)) &&
853 strcmp (dir_buf
, (char *) dir
) == 0)
856 if (unlink ((char *) cache_hashed
) < 0)
862 FcStrListDone (list
);
863 /* return FcFalse if something went wrong */
870 FcCacheReadDirs (FcConfig
* config
, FcGlobalCache
* cache
,
871 FcStrList
*list
, FcFontSet
* set
, FcStrSet
*processed_dirs
)
880 * Read in the results from 'list'.
882 while ((dir
= FcStrListNext (list
)))
884 if (!FcConfigAcceptFilename (config
, dir
))
887 /* Skip this directory if already updated
888 * to avoid the looped directories via symlinks
889 * Clearly a dir not in fonts.conf shouldn't be globally cached.
892 if (FcStrSetMember (processed_dirs
, dir
))
894 if (!FcStrSetAdd (processed_dirs
, dir
))
897 subdirs
= FcStrSetCreate ();
900 fprintf (stderr
, "Can't create directory set\n");
905 if (FcDirCacheRead (set
, subdirs
, dir
, config
))
907 /* if an old entry is found in the global cache, disable it */
908 if ((d
= FcGlobalCacheDirFind (cache
, (const char *)dir
)) != NULL
)
910 d
->state
= FcGCDirDisabled
;
911 /* save the updated config later without this entry */
912 cache
->updated
= FcTrue
;
917 if (FcDebug () & FC_DBG_FONTSET
)
918 printf ("cache scan dir %s\n", dir
);
920 FcDirScanConfig (set
, subdirs
, cache
,
921 config
->blanks
, dir
, FcFalse
, config
);
923 sublist
= FcStrListCreate (subdirs
);
924 FcStrSetDestroy (subdirs
);
927 fprintf (stderr
, "Can't create subdir list in \"%s\"\n", dir
);
931 ret
+= FcCacheReadDirs (config
, cache
, sublist
, set
, processed_dirs
);
933 FcStrListDone (list
);
938 FcCacheRead (FcConfig
*config
, FcGlobalCache
* cache
)
940 FcFontSet
*s
= FcFontSetCreate();
941 FcStrSet
*processed_dirs
;
946 processed_dirs
= FcStrSetCreate();
950 if (FcCacheReadDirs (config
, cache
, FcConfigGetConfigDirs (config
), s
, processed_dirs
))
953 FcStrSetDestroy (processed_dirs
);
957 FcStrSetDestroy (processed_dirs
);
959 FcFontSetDestroy (s
);
963 /* Opens the cache file for 'dir' for reading.
964 * This searches the list of cache dirs for the relevant cache file,
965 * returning the first one found.
968 FcDirCacheOpen (FcConfig
*config
, const FcChar8
*dir
, FcChar8
**cache_path
)
971 FcChar8
*cache_hashed
= NULL
;
972 FcChar8 cache_base
[CACHEBASE_LEN
];
975 char dir_buf
[FC_MAX_FILE_LEN
];
976 struct stat file_stat
, dir_stat
;
978 if (stat ((char *) dir
, &dir_stat
) < 0)
981 FcDirCacheBasename (dir
, cache_base
);
983 list
= FcStrListCreate (config
->cacheDirs
);
987 while ((cache_dir
= FcStrListNext (list
)))
989 cache_hashed
= FcStrPlus (cache_dir
, cache_base
);
992 fd
= open((char *) cache_hashed
, O_RDONLY
| O_BINARY
);
994 if (fstat (fd
, &file_stat
) >= 0 &&
995 dir_stat
.st_mtime
<= file_stat
.st_mtime
)
1002 FcStrFree (cache_hashed
);
1003 cache_hashed
= NULL
;
1005 FcStrListDone (list
);
1010 if (!FcCacheReadString (fd
, dir_buf
, sizeof (dir_buf
)) ||
1011 strcmp (dir_buf
, (char *) dir
) != 0)
1014 FcStrFree (cache_hashed
);
1019 *cache_path
= cache_hashed
;
1021 FcStrFree (cache_hashed
);
1026 /* read serialized state from the cache file */
1028 FcDirCacheRead (FcFontSet
* set
, FcStrSet
* dirs
, const FcChar8
*dir
, FcConfig
*config
)
1031 char *current_arch_machine_name
;
1032 char candidate_arch_machine_name
[9+MACHINE_SIGNATURE_SIZE
];
1033 off_t current_arch_start
= 0;
1034 char subdirName
[FC_MAX_FILE_LEN
+ 1 + 12 + 1];
1036 fd
= FcDirCacheOpen (config
, dir
, NULL
);
1040 current_arch_machine_name
= FcCacheMachineSignature();
1041 current_arch_start
= FcCacheSkipToArch(fd
,
1042 current_arch_machine_name
);
1043 if (current_arch_start
< 0)
1046 lseek (fd
, current_arch_start
, SEEK_SET
);
1047 if (FcCacheReadString (fd
, candidate_arch_machine_name
,
1048 sizeof (candidate_arch_machine_name
)) == 0)
1051 while (FcCacheReadString (fd
, subdirName
, sizeof (subdirName
)) && strlen (subdirName
) > 0)
1052 FcStrSetAdd (dirs
, (FcChar8
*)subdirName
);
1054 if (!FcDirCacheConsume (fd
, (const char *)dir
, set
, config
))
1067 FcDirCacheConsume (int fd
, const char * dir
, FcFontSet
*set
, FcConfig
*config
)
1070 void * current_dir_block
;
1073 if (read(fd
, &metadata
, sizeof(FcCache
)) != sizeof(FcCache
))
1075 if (metadata
.magic
!= FC_CACHE_MAGIC
)
1078 if (!metadata
.count
)
1080 pos
= FcCacheNextOffset (lseek(fd
, 0, SEEK_CUR
));
1081 lseek (fd
, pos
, SEEK_SET
);
1083 FcConfigAddFontDir (config
, (FcChar8
*)dir
);
1087 pos
= FcCacheNextOffset (lseek(fd
, 0, SEEK_CUR
));
1089 /* This is not failsafe (multi-arches can break it),
1090 * but fd has got to have at least as many bytes as
1091 * metadata.count, or something's going to go horribly wrong. */
1092 if (pos
== (off_t
)-1)
1095 endpos
= lseek (fd
, 0, SEEK_END
);
1096 if (endpos
== (off_t
)-1 || endpos
- pos
< metadata
.count
)
1098 if (lseek (fd
, pos
, SEEK_SET
) == -1)
1101 #if defined(HAVE_MMAP) || defined(__CYGWIN__)
1102 current_dir_block
= mmap (0, metadata
.count
,
1103 PROT_READ
, MAP_SHARED
, fd
, pos
);
1104 if (current_dir_block
== MAP_FAILED
)
1106 #elif defined(_WIN32)
1110 hFileMap
= CreateFileMapping((HANDLE
) _get_osfhandle(fd
), NULL
, PAGE_READONLY
, 0, 0, NULL
);
1111 if (hFileMap
== NULL
)
1114 current_dir_block
= MapViewOfFile (hFileMap
, FILE_MAP_READ
, 0, 0, metadata
.count
+ pos
);
1115 if (current_dir_block
== NULL
)
1117 CloseHandle (hFileMap
);
1121 current_dir_block
= (void *)((char *)current_dir_block
+ pos
);
1124 current_dir_block
= malloc (metadata
.count
);
1125 if (!current_dir_block
)
1128 /* could also use CreateMappedViewOfFile under MinGW... */
1129 if (read (fd
, current_dir_block
, metadata
.count
) != metadata
.count
)
1132 lseek (fd
, pos
+metadata
.count
, SEEK_SET
);
1134 FcCacheAddBankDir (metadata
.bank
, dir
);
1136 FcConfigAddFontDir (config
, (FcChar8
*)dir
);
1138 if (!FcFontSetUnserialize (&metadata
, set
, current_dir_block
))
1143 #if !(defined(HAVE_MMAP) || defined(__CYGWIN__))
1144 free (current_dir_block
);
1150 FcDirCacheProduce (FcFontSet
*set
, FcCache
*metadata
)
1152 void * current_dir_block
, * final_dir_block
;
1153 static unsigned int rand_state
= 0;
1154 int bank
, needed_bytes_no_align
;
1156 #if defined (HAVE_RAND_R)
1158 rand_state
= time(0L);
1159 bank
= rand_r(&rand_state
);
1161 while (FcCacheHaveBank(bank
))
1162 bank
= rand_r(&rand_state
);
1171 while (FcCacheHaveBank(bank
))
1175 memset (metadata
, 0, sizeof(FcCache
));
1177 needed_bytes_no_align
= FcFontSetNeededBytes (set
);
1178 metadata
->count
= needed_bytes_no_align
+
1179 FcFontSetNeededBytesAlign ();
1180 metadata
->magic
= FC_CACHE_MAGIC
;
1181 metadata
->bank
= bank
;
1183 if (!needed_bytes_no_align
) /* not a failure, no fonts to write */
1185 /* no, you don't really need to write any bytes at all. */
1186 metadata
->count
= 0;
1190 current_dir_block
= malloc (metadata
->count
);
1191 if (!current_dir_block
)
1193 /* shut up valgrind */
1194 memset (current_dir_block
, 0, metadata
->count
);
1195 final_dir_block
= FcFontSetDistributeBytes (metadata
, current_dir_block
);
1197 if ((void *)((char *)current_dir_block
+metadata
->count
) < final_dir_block
)
1200 if (!FcFontSetSerialize (bank
, set
))
1203 return current_dir_block
;
1206 free (current_dir_block
);
1211 FcMakeDirectory (const FcChar8
*dir
)
1216 if (strlen ((char *) dir
) == 0)
1219 parent
= FcStrDirname (dir
);
1222 if (access ((char *) parent
, W_OK
|X_OK
) == 0)
1223 ret
= mkdir ((char *) dir
, 0777) == 0;
1224 else if (access ((char *) parent
, F_OK
) == -1)
1225 ret
= FcMakeDirectory (parent
) && (mkdir ((char *) dir
, 0777) == 0);
1232 /* write serialized state to the cache file */
1234 FcDirCacheWrite (FcFontSet
*set
, FcStrSet
*dirs
, const FcChar8
*dir
, FcConfig
*config
)
1236 FcChar8 cache_base
[CACHEBASE_LEN
];
1237 FcChar8
*cache_hashed
;
1238 int fd
, fd_orig
, i
, dirs_count
;
1241 off_t current_arch_start
= 0, truncate_to
;
1243 char *current_arch_machine_name
, * header
;
1244 void *current_dir_block
= 0;
1245 FcChar8
*cache_dir
= NULL
;
1249 * Write it to the first directory in the list which is writable
1252 list
= FcStrListCreate (config
->cacheDirs
);
1255 while ((test_dir
= FcStrListNext (list
))) {
1256 if (access ((char *) test_dir
, W_OK
|X_OK
) == 0)
1258 cache_dir
= test_dir
;
1264 * If the directory doesn't exist, try to create it
1266 if (access ((char *) test_dir
, F_OK
) == -1) {
1267 if (FcMakeDirectory (test_dir
))
1269 cache_dir
= test_dir
;
1275 FcStrListDone (list
);
1278 FcDirCacheBasename (dir
, cache_base
);
1279 cache_hashed
= FcStrPlus (cache_dir
, cache_base
);
1283 current_dir_block
= FcDirCacheProduce (set
, &metadata
);
1285 if (metadata
.count
&& !current_dir_block
)
1288 if (FcDebug () & FC_DBG_CACHE
)
1289 printf ("FcDirCacheWriteDir dir \"%s\" file \"%s\"\n",
1292 atomic
= FcAtomicCreate ((FcChar8
*)cache_hashed
);
1296 if (!FcAtomicLock (atomic
))
1299 /* open the original file to save relevant portions */
1300 fd_orig
= open((char *)FcAtomicOrigFile (atomic
), O_RDONLY
| O_BINARY
);
1302 fd
= open((char *)FcAtomicNewFile (atomic
), O_RDWR
| O_CREAT
| O_BINARY
, 0666);
1306 FcCacheWriteString (fd
, (char *) dir
);
1308 current_arch_machine_name
= FcCacheMachineSignature ();
1309 current_arch_start
= 0;
1312 current_arch_start
=
1313 FcCacheSkipToArch(fd_orig
, current_arch_machine_name
);
1315 if (current_arch_start
< 0)
1317 off_t offset
= lseek(fd_orig
, 0, SEEK_END
);
1318 current_arch_start
= FcCacheNextOffset (offset
);
1321 if (fd_orig
!= -1 && !FcCacheCopyOld(fd
, fd_orig
, current_arch_start
))
1327 current_arch_start
= lseek(fd
, 0, SEEK_CUR
);
1328 #if defined (HAVE_FTRUNCATE)
1329 if (ftruncate (fd
, current_arch_start
) == -1)
1332 #if defined (HAVE_CHSIZE)
1333 if (chsize (fd
, current_arch_start
) == -1)
1340 /* allocate space for subdir names in this block */
1342 for (i
= 0; i
< dirs
->size
; i
++)
1343 dirs_count
+= strlen((char *)dirs
->strs
[i
]) + 1;
1346 /* now write the address of the next offset */
1347 truncate_to
= FcCacheNextOffset (FcCacheNextOffset (current_arch_start
+ sizeof (FcCache
) + dirs_count
) + metadata
.count
) - current_arch_start
;
1348 header
= malloc (10 + strlen (current_arch_machine_name
));
1351 sprintf (header
, "%8x ", (int)truncate_to
);
1352 strcat (header
, current_arch_machine_name
);
1353 if (!FcCacheWriteString (fd
, header
))
1356 for (i
= 0; i
< dirs
->size
; i
++)
1357 FcCacheWriteString (fd
, (char *)dirs
->strs
[i
]);
1358 FcCacheWriteString (fd
, "");
1360 if (write (fd
, &metadata
, sizeof(FcCache
)) != sizeof(FcCache
))
1362 perror("write metadata");
1367 off_t off
= FcCacheNextOffset (lseek(fd
, 0, SEEK_END
));
1368 if (lseek (fd
, off
, SEEK_SET
) != off
)
1370 else if (write (fd
, current_dir_block
, metadata
.count
) !=
1372 perror("write current_dir_block");
1373 free (current_dir_block
);
1374 current_dir_block
= 0;
1377 /* this actually serves to pad out the cache file, if needed */
1378 #if defined (HAVE_FTRUNCATE)
1379 if (ftruncate (fd
, current_arch_start
+ truncate_to
) == -1)
1382 #if defined (HAVE_CHSIZE)
1383 if (chsize (fd
, current_arch_start
+ truncate_to
) == -1)
1392 if (!FcAtomicReplaceOrig(atomic
))
1394 FcStrFree ((FcChar8
*)cache_hashed
);
1395 FcAtomicUnlock (atomic
);
1396 FcAtomicDestroy (atomic
);
1404 FcAtomicUnlock (atomic
);
1406 FcAtomicDestroy (atomic
);
1408 FcStrFree ((FcChar8
*)cache_hashed
);
1409 if (current_dir_block
)
1410 free (current_dir_block
);
1415 FcCacheMachineSignature ()
1417 static char buf
[MACHINE_SIGNATURE_SIZE
];
1418 int32_t magic
= ENDIAN_TEST
;
1419 char * m
= (char *)&magic
;
1421 sprintf (buf
, "%2x%2x%2x%2x "
1422 "%4x %4x %4x %4x %4x %4x %4x %4x %4x %4x %4x %4x "
1423 "%4x %4x %4x %4x %4x %4x %4x %4x\n",
1424 m
[0], m
[1], m
[2], m
[3],
1425 (unsigned int)sizeof (char),
1426 (unsigned int)sizeof (char *),
1427 (unsigned int)sizeof (int),
1428 (unsigned int)sizeof (FcPattern
),
1429 (unsigned int)sizeof (FcPatternEltPtr
),
1430 (unsigned int)sizeof (struct _FcPatternElt
*),
1431 (unsigned int)sizeof (FcPatternElt
),
1432 (unsigned int)sizeof (FcObjectPtr
),
1433 (unsigned int)sizeof (FcValueListPtr
),
1434 (unsigned int)sizeof (FcValue
),
1435 (unsigned int)sizeof (FcValueBinding
),
1436 (unsigned int)sizeof (struct _FcValueList
*),
1437 (unsigned int)sizeof (FcCharSet
),
1438 (unsigned int)sizeof (FcCharLeaf
**),
1439 (unsigned int)sizeof (FcChar16
*),
1440 (unsigned int)sizeof (FcChar16
),
1441 (unsigned int)sizeof (FcCharLeaf
),
1442 (unsigned int)sizeof (FcChar32
),
1443 (unsigned int)sizeof (FcCache
),
1444 #if defined (HAVE_SYSCONF)
1445 (unsigned int)sysconf(_SC_PAGESIZE
));
1447 (unsigned int)FC_HARDCODED_PAGESIZE
);
1453 static int banks_ptr
= 0, banks_alloc
= 0;
1454 int * _fcBankId
= 0, * _fcBankIdx
= 0;
1455 static const char ** bankDirs
= 0;
1458 FcCacheHaveBank (int bank
)
1462 if (bank
< FC_BANK_FIRST
)
1465 for (i
= 0; i
< banks_ptr
; i
++)
1466 if (_fcBankId
[i
] == bank
)
1473 FcCacheBankToIndexMTF (int bank
)
1477 for (i
= 0; i
< banks_ptr
; i
++)
1478 if (_fcBankId
[_fcBankIdx
[i
]] == bank
)
1480 int t
= _fcBankIdx
[i
];
1482 for (j
= i
; j
> 0; j
--)
1483 _fcBankIdx
[j
] = _fcBankIdx
[j
-1];
1488 if (banks_ptr
>= banks_alloc
)
1493 b
= realloc (_fcBankId
, (banks_alloc
+ 4) * sizeof(int));
1498 bidx
= realloc (_fcBankIdx
, (banks_alloc
+ 4) * sizeof(int));
1503 bds
= realloc (bankDirs
, (banks_alloc
+ 4) * sizeof (char *));
1512 _fcBankId
[i
] = bank
;
1518 FcCacheAddBankDir (int bank
, const char * dir
)
1520 int bi
= FcCacheBankToIndexMTF (bank
);
1525 bankDirs
[bi
] = (const char *)FcStrCopy ((FcChar8
*)dir
);
1529 FcCacheFindBankDir (int bank
)
1531 int bi
= FcCacheBankToIndex (bank
);
1532 return bankDirs
[bi
];
1536 * This code implements the MD5 message-digest algorithm.
1537 * The algorithm is due to Ron Rivest. This code was
1538 * written by Colin Plumb in 1993, no copyright is claimed.
1539 * This code is in the public domain; do with it what you wish.
1541 * Equivalent code is available from RSA Data Security, Inc.
1542 * This code has been tested against that, and is equivalent,
1543 * except that you don't need to include two pages of legalese
1546 * To compute the message digest of a chunk of bytes, declare an
1547 * MD5Context structure, pass it to MD5Init, call MD5Update as
1548 * needed on buffers full of bytes, and then call MD5Final, which
1549 * will fill a supplied 16-byte array with the digest.
1553 #define byteReverse(buf, len) /* Nothing */
1556 * Note: this code is harmless on little-endian machines.
1558 void byteReverse(unsigned char *buf
, unsigned longs
)
1562 t
= (FcChar32
) ((unsigned) buf
[3] << 8 | buf
[2]) << 16 |
1563 ((unsigned) buf
[1] << 8 | buf
[0]);
1564 *(FcChar32
*) buf
= t
;
1571 * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
1572 * initialization constants.
1574 static void MD5Init(struct MD5Context
*ctx
)
1576 ctx
->buf
[0] = 0x67452301;
1577 ctx
->buf
[1] = 0xefcdab89;
1578 ctx
->buf
[2] = 0x98badcfe;
1579 ctx
->buf
[3] = 0x10325476;
1586 * Update context to reflect the concatenation of another buffer full
1589 static void MD5Update(struct MD5Context
*ctx
, unsigned char *buf
, unsigned len
)
1593 /* Update bitcount */
1596 if ((ctx
->bits
[0] = t
+ ((FcChar32
) len
<< 3)) < t
)
1597 ctx
->bits
[1]++; /* Carry from low to high */
1598 ctx
->bits
[1] += len
>> 29;
1600 t
= (t
>> 3) & 0x3f; /* Bytes already in shsInfo->data */
1602 /* Handle any leading odd-sized chunks */
1605 unsigned char *p
= (unsigned char *) ctx
->in
+ t
;
1609 memcpy(p
, buf
, len
);
1613 byteReverse(ctx
->in
, 16);
1614 MD5Transform(ctx
->buf
, (FcChar32
*) ctx
->in
);
1618 /* Process data in 64-byte chunks */
1621 memcpy(ctx
->in
, buf
, 64);
1622 byteReverse(ctx
->in
, 16);
1623 MD5Transform(ctx
->buf
, (FcChar32
*) ctx
->in
);
1628 /* Handle any remaining bytes of data. */
1630 memcpy(ctx
->in
, buf
, len
);
1634 * Final wrapup - pad to 64-byte boundary with the bit pattern
1635 * 1 0* (64-bit count of bits processed, MSB-first)
1637 static void MD5Final(unsigned char digest
[16], struct MD5Context
*ctx
)
1642 /* Compute number of bytes mod 64 */
1643 count
= (ctx
->bits
[0] >> 3) & 0x3F;
1645 /* Set the first char of padding to 0x80. This is safe since there is
1646 always at least one byte free */
1647 p
= ctx
->in
+ count
;
1650 /* Bytes of padding needed to make 64 bytes */
1651 count
= 64 - 1 - count
;
1653 /* Pad out to 56 mod 64 */
1655 /* Two lots of padding: Pad the first block to 64 bytes */
1656 memset(p
, 0, count
);
1657 byteReverse(ctx
->in
, 16);
1658 MD5Transform(ctx
->buf
, (FcChar32
*) ctx
->in
);
1660 /* Now fill the next block with 56 bytes */
1661 memset(ctx
->in
, 0, 56);
1663 /* Pad block to 56 bytes */
1664 memset(p
, 0, count
- 8);
1666 byteReverse(ctx
->in
, 14);
1668 /* Append length in bits and transform */
1669 ((FcChar32
*) ctx
->in
)[14] = ctx
->bits
[0];
1670 ((FcChar32
*) ctx
->in
)[15] = ctx
->bits
[1];
1672 MD5Transform(ctx
->buf
, (FcChar32
*) ctx
->in
);
1673 byteReverse((unsigned char *) ctx
->buf
, 4);
1674 memcpy(digest
, ctx
->buf
, 16);
1675 memset(ctx
, 0, sizeof(ctx
)); /* In case it's sensitive */
1679 /* The four core functions - F1 is optimized somewhat */
1681 /* #define F1(x, y, z) (x & y | ~x & z) */
1682 #define F1(x, y, z) (z ^ (x & (y ^ z)))
1683 #define F2(x, y, z) F1(z, x, y)
1684 #define F3(x, y, z) (x ^ y ^ z)
1685 #define F4(x, y, z) (y ^ (x | ~z))
1687 /* This is the central step in the MD5 algorithm. */
1688 #define MD5STEP(f, w, x, y, z, data, s) \
1689 ( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x )
1692 * The core of the MD5 algorithm, this alters an existing MD5 hash to
1693 * reflect the addition of 16 longwords of new data. MD5Update blocks
1694 * the data and converts bytes into longwords for this routine.
1696 static void MD5Transform(FcChar32 buf
[4], FcChar32 in
[16])
1698 register FcChar32 a
, b
, c
, d
;
1705 MD5STEP(F1
, a
, b
, c
, d
, in
[0] + 0xd76aa478, 7);
1706 MD5STEP(F1
, d
, a
, b
, c
, in
[1] + 0xe8c7b756, 12);
1707 MD5STEP(F1
, c
, d
, a
, b
, in
[2] + 0x242070db, 17);
1708 MD5STEP(F1
, b
, c
, d
, a
, in
[3] + 0xc1bdceee, 22);
1709 MD5STEP(F1
, a
, b
, c
, d
, in
[4] + 0xf57c0faf, 7);
1710 MD5STEP(F1
, d
, a
, b
, c
, in
[5] + 0x4787c62a, 12);
1711 MD5STEP(F1
, c
, d
, a
, b
, in
[6] + 0xa8304613, 17);
1712 MD5STEP(F1
, b
, c
, d
, a
, in
[7] + 0xfd469501, 22);
1713 MD5STEP(F1
, a
, b
, c
, d
, in
[8] + 0x698098d8, 7);
1714 MD5STEP(F1
, d
, a
, b
, c
, in
[9] + 0x8b44f7af, 12);
1715 MD5STEP(F1
, c
, d
, a
, b
, in
[10] + 0xffff5bb1, 17);
1716 MD5STEP(F1
, b
, c
, d
, a
, in
[11] + 0x895cd7be, 22);
1717 MD5STEP(F1
, a
, b
, c
, d
, in
[12] + 0x6b901122, 7);
1718 MD5STEP(F1
, d
, a
, b
, c
, in
[13] + 0xfd987193, 12);
1719 MD5STEP(F1
, c
, d
, a
, b
, in
[14] + 0xa679438e, 17);
1720 MD5STEP(F1
, b
, c
, d
, a
, in
[15] + 0x49b40821, 22);
1722 MD5STEP(F2
, a
, b
, c
, d
, in
[1] + 0xf61e2562, 5);
1723 MD5STEP(F2
, d
, a
, b
, c
, in
[6] + 0xc040b340, 9);
1724 MD5STEP(F2
, c
, d
, a
, b
, in
[11] + 0x265e5a51, 14);
1725 MD5STEP(F2
, b
, c
, d
, a
, in
[0] + 0xe9b6c7aa, 20);
1726 MD5STEP(F2
, a
, b
, c
, d
, in
[5] + 0xd62f105d, 5);
1727 MD5STEP(F2
, d
, a
, b
, c
, in
[10] + 0x02441453, 9);
1728 MD5STEP(F2
, c
, d
, a
, b
, in
[15] + 0xd8a1e681, 14);
1729 MD5STEP(F2
, b
, c
, d
, a
, in
[4] + 0xe7d3fbc8, 20);
1730 MD5STEP(F2
, a
, b
, c
, d
, in
[9] + 0x21e1cde6, 5);
1731 MD5STEP(F2
, d
, a
, b
, c
, in
[14] + 0xc33707d6, 9);
1732 MD5STEP(F2
, c
, d
, a
, b
, in
[3] + 0xf4d50d87, 14);
1733 MD5STEP(F2
, b
, c
, d
, a
, in
[8] + 0x455a14ed, 20);
1734 MD5STEP(F2
, a
, b
, c
, d
, in
[13] + 0xa9e3e905, 5);
1735 MD5STEP(F2
, d
, a
, b
, c
, in
[2] + 0xfcefa3f8, 9);
1736 MD5STEP(F2
, c
, d
, a
, b
, in
[7] + 0x676f02d9, 14);
1737 MD5STEP(F2
, b
, c
, d
, a
, in
[12] + 0x8d2a4c8a, 20);
1739 MD5STEP(F3
, a
, b
, c
, d
, in
[5] + 0xfffa3942, 4);
1740 MD5STEP(F3
, d
, a
, b
, c
, in
[8] + 0x8771f681, 11);
1741 MD5STEP(F3
, c
, d
, a
, b
, in
[11] + 0x6d9d6122, 16);
1742 MD5STEP(F3
, b
, c
, d
, a
, in
[14] + 0xfde5380c, 23);
1743 MD5STEP(F3
, a
, b
, c
, d
, in
[1] + 0xa4beea44, 4);
1744 MD5STEP(F3
, d
, a
, b
, c
, in
[4] + 0x4bdecfa9, 11);
1745 MD5STEP(F3
, c
, d
, a
, b
, in
[7] + 0xf6bb4b60, 16);
1746 MD5STEP(F3
, b
, c
, d
, a
, in
[10] + 0xbebfbc70, 23);
1747 MD5STEP(F3
, a
, b
, c
, d
, in
[13] + 0x289b7ec6, 4);
1748 MD5STEP(F3
, d
, a
, b
, c
, in
[0] + 0xeaa127fa, 11);
1749 MD5STEP(F3
, c
, d
, a
, b
, in
[3] + 0xd4ef3085, 16);
1750 MD5STEP(F3
, b
, c
, d
, a
, in
[6] + 0x04881d05, 23);
1751 MD5STEP(F3
, a
, b
, c
, d
, in
[9] + 0xd9d4d039, 4);
1752 MD5STEP(F3
, d
, a
, b
, c
, in
[12] + 0xe6db99e5, 11);
1753 MD5STEP(F3
, c
, d
, a
, b
, in
[15] + 0x1fa27cf8, 16);
1754 MD5STEP(F3
, b
, c
, d
, a
, in
[2] + 0xc4ac5665, 23);
1756 MD5STEP(F4
, a
, b
, c
, d
, in
[0] + 0xf4292244, 6);
1757 MD5STEP(F4
, d
, a
, b
, c
, in
[7] + 0x432aff97, 10);
1758 MD5STEP(F4
, c
, d
, a
, b
, in
[14] + 0xab9423a7, 15);
1759 MD5STEP(F4
, b
, c
, d
, a
, in
[5] + 0xfc93a039, 21);
1760 MD5STEP(F4
, a
, b
, c
, d
, in
[12] + 0x655b59c3, 6);
1761 MD5STEP(F4
, d
, a
, b
, c
, in
[3] + 0x8f0ccc92, 10);
1762 MD5STEP(F4
, c
, d
, a
, b
, in
[10] + 0xffeff47d, 15);
1763 MD5STEP(F4
, b
, c
, d
, a
, in
[1] + 0x85845dd1, 21);
1764 MD5STEP(F4
, a
, b
, c
, d
, in
[8] + 0x6fa87e4f, 6);
1765 MD5STEP(F4
, d
, a
, b
, c
, in
[15] + 0xfe2ce6e0, 10);
1766 MD5STEP(F4
, c
, d
, a
, b
, in
[6] + 0xa3014314, 15);
1767 MD5STEP(F4
, b
, c
, d
, a
, in
[13] + 0x4e0811a1, 21);
1768 MD5STEP(F4
, a
, b
, c
, d
, in
[4] + 0xf7537e82, 6);
1769 MD5STEP(F4
, d
, a
, b
, c
, in
[11] + 0xbd3af235, 10);
1770 MD5STEP(F4
, c
, d
, a
, b
, in
[2] + 0x2ad7d2bb, 15);
1771 MD5STEP(F4
, b
, c
, d
, a
, in
[9] + 0xeb86d391, 21);