2 * $RCSId: xc/lib/fontconfig/fc-cache/fc-cache.c,v 1.8tsi Exp $
4 * Copyright © 2002 Keith Packard
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of Keith Packard not be used in
11 * advertising or publicity pertaining to distribution of the software without
12 * specific, written prior permission. Keith Packard makes no
13 * representations about the suitability of this software for any purpose. It
14 * is provided "as is" without express or implied warranty.
16 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
20 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
21 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22 * PERFORMANCE OF THIS SOFTWARE.
25 #include <fontconfig/fontconfig.h>
26 #include <../src/fccache.c>
31 #include <sys/types.h>
38 #define HAVE_GETOPT_LONG 1
46 #ifndef HAVE_GETOPT_LONG
47 #define HAVE_GETOPT_LONG 0
54 const struct option longopts
[] = {
55 {"version", 0, 0, 'V'},
62 extern int optind
, opterr
, optopt
;
67 * POSIX has broken stdio so that getc must do thread-safe locking,
68 * this is a serious performance problem for applications doing large
69 * amounts of IO with getc (as is done here). If available, use
70 * the getc_unlocked varient instead.
73 #if defined(getc_unlocked) || defined(_IO_getc_unlocked)
74 #define GETC(f) getc_unlocked(f)
75 #define PUTC(c,f) putc_unlocked(c,f)
77 #define GETC(f) getc(f)
78 #define PUTC(c,f) putc(c,f)
82 FcCacheWriteChars (FILE *f
, const FcChar8
*chars
)
85 while ((c
= *chars
++))
90 if (PUTC ('\\', f
) == EOF
)
94 if (PUTC (c
, f
) == EOF
)
102 FcCacheWriteUlong (FILE *f
, unsigned long t
)
105 unsigned long temp
, digit
;
118 if (PUTC ((char) digit
+ '0', f
) == EOF
)
120 temp
= temp
- pow
* digit
;
127 FcCacheWriteInt (FILE *f
, int i
)
129 return FcCacheWriteUlong (f
, (unsigned long) i
);
133 FcCacheWriteStringOld (FILE *f
, const FcChar8
*string
)
136 if (PUTC ('"', f
) == EOF
)
138 if (!FcCacheWriteChars (f
, string
))
140 if (PUTC ('"', f
) == EOF
)
146 usage (char *program
)
149 fprintf (stderr
, "usage: %s [-V?] [--version] [--help] <fonts.cache-2>\n",
152 fprintf (stderr
, "usage: %s [-fsvV?] <fonts.cache-2>\n",
155 fprintf (stderr
, "Reads font information caches in <fonts.cache-2>\n");
156 fprintf (stderr
, "\n");
158 fprintf (stderr
, " -V, --version display font config version and exit\n");
159 fprintf (stderr
, " -?, --help display this help and exit\n");
161 fprintf (stderr
, " -V (version) display font config version and exit\n");
162 fprintf (stderr
, " -? (help) display this help and exit\n");
167 /* read serialized state from the cache file */
169 FcCacheFileRead (FcFontSet
* set
, FcStrSet
*dirs
, char * dir
, char *cache_file
)
172 char * current_arch_machine_name
;
173 char candidate_arch_machine_name
[9+MACHINE_SIGNATURE_SIZE
];
174 off_t current_arch_start
= 0;
175 char subdirName
[FC_MAX_FILE_LEN
+ 1 + 12 + 1];
180 current_arch_machine_name
= FcCacheMachineSignature();
181 fd
= open(cache_file
, O_RDONLY
);
185 current_arch_start
= FcCacheSkipToArch(fd
, current_arch_machine_name
);
186 if (current_arch_start
< 0)
189 lseek (fd
, current_arch_start
, SEEK_SET
);
190 if (FcCacheReadString (fd
, candidate_arch_machine_name
,
191 sizeof (candidate_arch_machine_name
)) == 0)
194 while (strlen(FcCacheReadString (fd
, subdirName
, sizeof (subdirName
))) > 0)
195 FcStrSetAdd (dirs
, (FcChar8
*)subdirName
);
197 if (!FcDirCacheConsume (fd
, dir
, set
))
210 * return the path from the directory containing 'cache' to 'file'
213 static const FcChar8
*
214 FcFileBaseName (const char *cache
, const FcChar8
*file
)
216 const FcChar8
*cache_slash
;
218 cache_slash
= FcStrLastSlash ((const FcChar8
*)cache
);
219 if (cache_slash
&& !strncmp ((const char *) cache
, (const char *) file
,
220 (cache_slash
+ 1) - (const FcChar8
*)cache
))
221 return file
+ ((cache_slash
+ 1) - (const FcChar8
*)cache
);
226 FcCachePrintSet (FcFontSet
*set
, FcStrSet
*dirs
, char *cache_file
)
230 const FcChar8
*file
, *base
;
236 list
= FcStrListCreate (dirs
);
240 while ((dir
= FcStrListNext (list
)))
242 base
= FcFileBaseName (cache_file
, dir
);
243 if (!FcCacheWriteStringOld (stdout
, base
))
245 if (PUTC (' ', stdout
) == EOF
)
247 if (!FcCacheWriteInt (stdout
, 0))
249 if (PUTC (' ', stdout
) == EOF
)
251 if (!FcCacheWriteStringOld (stdout
, FC_FONT_FILE_DIR
))
253 if (PUTC ('\n', stdout
) == EOF
)
257 for (n
= 0; n
< set
->nfont
; n
++)
259 font
= set
->fonts
[n
];
260 if (FcPatternGetString (font
, FC_FILE
, 0, (FcChar8
**) &file
) != FcResultMatch
)
262 base
= FcFileBaseName (cache_file
, file
);
263 if (FcPatternGetInteger (font
, FC_INDEX
, 0, &id
) != FcResultMatch
)
265 if (FcDebug () & FC_DBG_CACHEV
)
266 printf (" write file \"%s\"\n", base
);
267 if (!FcCacheWriteStringOld (stdout
, base
))
269 if (PUTC (' ', stdout
) == EOF
)
271 if (!FcCacheWriteInt (stdout
, id
))
273 if (PUTC (' ', stdout
) == EOF
)
275 name
= FcNameUnparse (font
);
278 ret
= FcCacheWriteStringOld (stdout
, name
);
282 if (PUTC ('\n', stdout
) == EOF
)
286 FcStrListDone (list
);
291 FcStrListDone (list
);
299 main (int argc
, char **argv
)
303 #if HAVE_GETOPT_LONG || HAVE_GETOPT
305 FcFontSet
*fs
= FcFontSetCreate();
306 FcStrSet
*dirs
= FcStrSetCreate();
309 while ((c
= getopt_long (argc
, argv
, "fsVv?", longopts
, NULL
)) != -1)
311 while ((c
= getopt (argc
, argv
, "fsVv?")) != -1)
316 fprintf (stderr
, "fontconfig version %d.%d.%d\n",
317 FC_MAJOR
, FC_MINOR
, FC_REVISION
);
328 if (FcCacheFileRead (fs
, dirs
, dirname (strdup(argv
[i
])), argv
[i
]))
329 FcCachePrintSet (fs
, dirs
, argv
[i
]);
331 FcStrSetDestroy (dirs
);
332 FcFontSetDestroy (fs
);