/*
* $RCSId: xc/lib/fontconfig/src/fccache.c,v 1.12 2002/08/22 07:36:44 keithp Exp $
*
- * Copyright © 2000 Keith Packard
+ * Copyright © 2000 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* PERFORMANCE OF THIS SOFTWARE.
*/
+#include <fcntl.h>
+#include <dirent.h>
+#include <sys/mman.h>
+#include <sys/utsname.h>
#include "fcint.h"
+#define ENDIAN_TEST 0x12345678
+#define MACHINE_SIGNATURE_SIZE 9 + 5*19 + 1
+
+static char *
+FcCacheProduceMachineSignature (void);
+
/*
* POSIX has broken stdio so that getc must do thread-safe locking,
* this is a serious performance problem for applications doing large
#define FC_DBG_CACHE_REF 1024
+#define PAGESIZE 8192
+
+static FcBool force;
+
static FcChar8 *
FcCacheReadString (FILE *f, FcChar8 *dest, int len)
{
if (dir)
if (!FcCacheWriteChars (f, dir))
return FcFalse;
+#ifdef _WIN32
+ if (dir &&
+ dir[strlen((const char *) dir) - 1] != '/' &&
+ dir[strlen((const char *) dir) - 1] != '\\')
+ {
+ if (!FcCacheWriteChars (f, "\\"))
+ return FcFalse;
+ }
+#else
if (dir && dir[strlen((const char *) dir) - 1] != '/')
if (PUTC ('/', f) == EOF)
return FcFalse;
+#endif
if (!FcCacheWriteChars (f, file))
return FcFalse;
if (PUTC ('"', f) == EOF)
return FcCacheWriteUlong (f, (unsigned long) t);
}
+static FcChar8 *
+FcCacheReadString2 (int fd, FcChar8 *dest, int len)
+{
+ FcChar8 c;
+ FcBool escape;
+ int size;
+ int i;
+
+ if (len == 0)
+ return FcFalse;
+
+ size = len;
+ i = 0;
+ escape = FcFalse;
+ while (read (fd, &c, 1) == 1)
+ {
+ if (!escape)
+ {
+ switch (c) {
+ case '"':
+ c = '\0';
+ break;
+ case '\\':
+ escape = FcTrue;
+ continue;
+ }
+ }
+ if (i == size)
+ {
+ dest[i++] = 0;
+ return dest;
+ }
+ dest[i++] = c;
+ if (c == '\0')
+ return dest;
+ escape = FcFalse;
+ }
+ return 0;
+}
+
+static FcBool
+FcCacheWriteString2 (int fd, const FcChar8 *chars)
+{
+ if (write (fd, chars, strlen(chars)+1) != strlen(chars)+1)
+ return FcFalse;
+ return FcTrue;
+}
+
static FcBool
FcCacheFontSetAdd (FcFontSet *set,
FcStrSet *dirs,
const FcChar8 *dir,
int dir_len,
const FcChar8 *file,
- const FcChar8 *name)
+ const FcChar8 *name,
+ FcConfig *config)
{
FcChar8 path_buf[8192], *path;
int len;
return FcFalse;
}
strncpy ((char *) path, (const char *) dir, dir_len);
+#ifdef _WIN32
+ if (dir[dir_len - 1] != '/' && dir[dir_len - 1] != '\\' )
+ path[dir_len++] = '\\';
+#else
if (dir[dir_len - 1] != '/')
path[dir_len++] = '/';
+#endif
strcpy ((char *) path + dir_len, (const char *) file);
- if (!FcStrCmp (name, FC_FONT_FILE_DIR))
+ if (config && !FcConfigAcceptFilename (config, path))
+ ret = FcTrue;
+ else if (!FcStrCmp (name, FC_FONT_FILE_DIR))
{
if (FcDebug () & FC_DBG_CACHEV)
printf (" dir cache dir \"%s\"\n", path);
font = FcNameParse (name);
if (font)
{
+ FcChar8 *family;
+
if (FcDebug () & FC_DBG_CACHEV)
printf (" dir cache file \"%s\"\n", file);
ret = FcPatternAddString (font, FC_FILE, path);
- if (ret)
+ /*
+ * Make sure the pattern has the file name as well as
+ * already containing at least one family name.
+ */
+ if (ret &&
+ FcPatternGetString (font, FC_FAMILY, 0, &family) == FcResultMatch &&
+ (!config || FcConfigAcceptFont (config, font)))
{
frozen = FcPatternFreeze (font);
ret = (frozen != 0);
* Verify the saved timestamp for a file
*/
FcBool
-FcGlobalCacheCheckTime (FcGlobalCacheInfo *info)
+FcGlobalCacheCheckTime (const FcChar8 *file, FcGlobalCacheInfo *info)
{
struct stat statb;
- if (stat ((char *) info->file, &statb) < 0)
+ if (stat ((char *) file, &statb) < 0)
{
if (FcDebug () & FC_DBG_CACHE)
- printf (" file missing\n");
+ printf (" file %s missing\n", file);
return FcFalse;
}
if (statb.st_mtime != info->time)
FcFilePathInfo i;
FcChar8 *slash;
- slash = (FcChar8 *) strrchr ((const char *) path, '/');
+ slash = FcStrLastSlash (path);
if (slash)
{
i.dir = path;
FcGlobalCacheScanDir (FcFontSet *set,
FcStrSet *dirs,
FcGlobalCache *cache,
- const FcChar8 *dir)
+ const FcChar8 *dir,
+ FcConfig *config)
{
FcGlobalCacheDir *d = FcGlobalCacheDirGet (cache, dir,
strlen ((const char *) dir),
* See if the timestamp recorded in the global cache
* matches the directory time, if not, return False
*/
- if (!FcGlobalCacheCheckTime (&d->info))
+ if (!FcGlobalCacheCheckTime (d->info.file, &d->info))
{
if (FcDebug () & FC_DBG_CACHE)
printf ("\tdir cache entry time mismatch\n");
printf ("FcGlobalCacheScanDir add file %s\n", f->info.file);
any_in_cache = FcTrue;
if (!FcCacheFontSetAdd (set, dirs, dir, dir_len,
- f->info.file, f->name))
+ f->info.file, f->name, config))
{
cache->broken = FcTrue;
return FcFalse;
any_in_cache = FcTrue;
if (!FcCacheFontSetAdd (set, dirs, dir, dir_len,
- info.base, FC_FONT_FILE_DIR))
+ info.base, FC_FONT_FILE_DIR, config))
{
cache->broken = FcTrue;
return FcFalse;
}
}
if (count)
- *count = max;
+ *count = max + 1;
return match;
}
if (cache->broken)
return FcFalse;
+#if defined (HAVE_GETUID) && defined (HAVE_GETEUID)
/* Set-UID programs can't safely update the cache */
if (getuid () != geteuid ())
return FcFalse;
+#endif
atomic = FcAtomicCreate (cache_file);
if (!atomic)
return FcFalse;
}
+/*
+ * Find the next presumably-mmapable offset after the current file
+ * pointer.
+ */
+static int
+FcCacheNextOffset(off_t w)
+{
+ if (w % PAGESIZE == 0)
+ return w;
+ else
+ return ((w / PAGESIZE)+1)*PAGESIZE;
+}
+
+/* return the address of the segment for the provided arch,
+ * or -1 if arch not found */
+static off_t
+FcCacheSkipToArch (int fd, const char * arch)
+{
+ char candidate_arch_machine_name_count[MACHINE_SIGNATURE_SIZE + 9];
+ char * candidate_arch;
+ off_t current_arch_start = 0;
+
+ /* skip arches that are not the current arch */
+ while (1)
+ {
+ long bs;
+
+ lseek (fd, current_arch_start, SEEK_SET);
+ if (FcCacheReadString2 (fd, candidate_arch_machine_name_count,
+ sizeof (candidate_arch_machine_name_count)) == 0)
+ break;
+ if (!strlen(candidate_arch_machine_name_count))
+ return -1;
+ bs = strtol(candidate_arch_machine_name_count, &candidate_arch, 16);
+ candidate_arch++; /* skip leading space */
+
+ if (strcmp (candidate_arch, arch)==0)
+ break;
+ current_arch_start += bs;
+ }
+
+ if (strcmp (candidate_arch, arch)!=0)
+ return -1;
+
+ return current_arch_start;
+}
+
+/* Cuts out the segment at the file pointer (moves everything else
+ * down to cover it), and leaves the file pointer at the end of the
+ * file. */
+#define BUF_SIZE 8192
+
+static FcBool
+FcCacheMoveDown (int fd, off_t start)
+{
+ char * buf = malloc (BUF_SIZE);
+ char candidate_arch_machine_name[MACHINE_SIGNATURE_SIZE + 9];
+ long bs;
+ int c, bytes_skipped;
+
+ if (!buf)
+ return FcFalse;
+
+ lseek (fd, start, SEEK_SET);
+ if (FcCacheReadString2 (fd, candidate_arch_machine_name,
+ sizeof (candidate_arch_machine_name)) == 0)
+ goto done;
+ if (!strlen(candidate_arch_machine_name))
+ goto done;
+
+ bs = strtol(candidate_arch_machine_name, 0, 16);
+ if (bs == 0)
+ goto done;
+
+ bytes_skipped = 0;
+ do
+ {
+ lseek (fd, start+bs+bytes_skipped, SEEK_SET);
+ if ((c = read (fd, buf, BUF_SIZE)) <= 0)
+ break;
+ lseek (fd, start+bytes_skipped, SEEK_SET);
+ if (write (fd, buf, c) < 0)
+ goto bail;
+ bytes_skipped += c;
+ }
+ while (c > 0);
+ lseek (fd, start+bytes_skipped, SEEK_SET);
+
+ done:
+ free (buf);
+ return FcTrue;
+
+ bail:
+ free (buf);
+ return FcFalse;
+}
+
FcBool
FcDirCacheValid (const FcChar8 *dir)
{
- FcChar8 *cache_file = FcStrPlus (dir, (FcChar8 *) "/" FC_DIR_CACHE_FILE);
- struct stat file_stat, dir_stat;
+ FcChar8 *cache_file = FcStrPlus (dir, (FcChar8 *) "/" FC_DIR_CACHE_FILE);
+ struct stat file_stat, dir_stat;
if (stat ((char *) dir, &dir_stat) < 0)
{
- FcStrFree (cache_file);
- return FcFalse;
+ FcStrFree (cache_file);
+ return FcFalse;
}
if (stat ((char *) cache_file, &file_stat) < 0)
{
- FcStrFree (cache_file);
- return FcFalse;
+ FcStrFree (cache_file);
+ return FcFalse;
}
FcStrFree (cache_file);
/*
* the cache file, the cache is not valid
*/
if (dir_stat.st_mtime - file_stat.st_mtime > 0)
- return FcFalse;
+ return FcFalse;
return FcTrue;
}
-FcBool
-FcDirCacheReadDir (FcFontSet *set, FcStrSet *dirs, const FcChar8 *dir)
+static int
+FcCacheReadDirs (FcConfig * config, FcGlobalCache * cache,
+ FcStrList *list, FcFontSet * set)
{
- FcChar8 *cache_file = FcStrPlus (dir, (FcChar8 *) "/" FC_DIR_CACHE_FILE);
- FILE *f;
- FcChar8 *base;
- int id;
- int dir_len;
- FcChar8 file_buf[8192], *file;
- FcChar8 name_buf[8192], *name;
- FcBool ret = FcFalse;
+ DIR *d;
+ struct dirent *e;
+ int ret = 0;
+ FcChar8 *dir;
+ FcChar8 *file, *base;
+ FcStrSet *subdirs;
+ FcStrList *sublist;
+ struct stat statb;
- if (!cache_file)
- goto bail0;
-
- if (FcDebug () & FC_DBG_CACHE)
- printf ("FcDirCacheReadDir cache_file \"%s\"\n", cache_file);
-
- f = fopen ((char *) cache_file, "r");
- if (!f)
+ /*
+ * Now scan all of the directories into separate databases
+ * and write out the results
+ */
+ while ((dir = FcStrListNext (list)))
{
- if (FcDebug () & FC_DBG_CACHE)
- printf (" no cache file\n");
- goto bail1;
- }
+ /* freed below */
+ file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + FC_MAX_FILE_LEN + 1);
+ if (!file)
+ return FcFalse;
- if (!FcDirCacheValid (dir))
- {
- if (FcDebug () & FC_DBG_CACHE)
- printf (" cache file older than directory\n");
- goto bail2;
- }
-
- base = (FcChar8 *) strrchr ((char *) cache_file, '/');
- if (!base)
- goto bail2;
- base++;
- dir_len = base - cache_file;
-
- file = 0;
- name = 0;
- while ((file = FcCacheReadString (f, file_buf, sizeof (file_buf))) &&
- FcCacheReadInt (f, &id) &&
- (name = FcCacheReadString (f, name_buf, sizeof (name_buf))))
- {
- if (!FcCacheFontSetAdd (set, dirs, cache_file, dir_len,
- file, name))
- goto bail3;
- if (file != file_buf)
+ strcpy ((char *) file, (char *) dir);
+ strcat ((char *) file, "/");
+ base = file + strlen ((char *) file);
+
+ subdirs = FcStrSetCreate ();
+ if (!subdirs)
+ {
+ fprintf (stderr, "Can't create directory set\n");
+ ret++;
free (file);
- if (name != name_buf)
- free (name);
- file = name = 0;
- }
- if (FcDebug () & FC_DBG_CACHE)
- printf (" cache loaded\n");
-
- ret = FcTrue;
-bail3:
- if (file && file != file_buf)
+ continue;
+ }
+
+ if (access ((char *) dir, X_OK) < 0)
+ {
+ switch (errno) {
+ case ENOENT:
+ case ENOTDIR:
+ case EACCES:
+ break;
+ default:
+ fprintf (stderr, "\"%s\": ", dir);
+ perror ("");
+ ret++;
+ }
+ FcStrSetDestroy (subdirs);
+ free (file);
+ continue;
+ }
+ if (stat ((char *) dir, &statb) == -1)
+ {
+ fprintf (stderr, "\"%s\": ", dir);
+ perror ("");
+ FcStrSetDestroy (subdirs);
+ ret++;
+ free (file);
+ continue;
+ }
+ if (!S_ISDIR (statb.st_mode))
+ {
+ fprintf (stderr, "\"%s\": not a directory, skipping\n", dir);
+ FcStrSetDestroy (subdirs);
+ free (file);
+ continue;
+ }
+ d = opendir ((char *) dir);
+ if (!d)
+ {
+ FcStrSetDestroy (subdirs);
+ free (file);
+ continue;
+ }
+ while ((e = readdir (d)))
+ {
+ if (e->d_name[0] != '.' && strlen (e->d_name) < FC_MAX_FILE_LEN)
+ {
+ strcpy ((char *) base, (char *) e->d_name);
+ if (FcFileIsDir (file) && !FcStrSetAdd (subdirs, file))
+ ret++;
+ }
+ }
+ closedir (d);
+ if (!FcDirCacheValid (dir) || !FcDirCacheRead (set, dir))
+ {
+ if (FcDebug () & FC_DBG_FONTSET)
+ printf ("scan dir %s\n", dir);
+ FcDirScanConfig (set, subdirs, cache,
+ config->blanks, dir, FcFalse, config);
+ }
+ sublist = FcStrListCreate (subdirs);
+ FcStrSetDestroy (subdirs);
+ if (!sublist)
+ {
+ fprintf (stderr, "Can't create subdir list in \"%s\"\n", dir);
+ ret++;
+ free (file);
+ continue;
+ }
+ ret += FcCacheReadDirs (config, cache, sublist, set);
free (file);
- if (name && name != name_buf)
- free (name);
-bail2:
- fclose (f);
-bail1:
- FcStrFree (cache_file);
-bail0:
+ }
+ FcStrListDone (list);
return ret;
}
-/*
- * return the path from the directory containing 'cache' to 'file'
- */
-
-static const FcChar8 *
-FcFileBaseName (const FcChar8 *cache, const FcChar8 *file)
+FcFontSet *
+FcCacheRead (FcConfig *config, FcGlobalCache * cache)
{
- const FcChar8 *cache_slash;
+ FcFontSet * s = FcFontSetCreate();
+ if (!s)
+ return 0;
- cache_slash = (const FcChar8 *) strrchr ((const char *) cache, '/');
- if (cache_slash && !strncmp ((const char *) cache, (const char *) file,
- (cache_slash + 1) - cache))
- return file + ((cache_slash + 1) - cache);
- return file;
+ if (force)
+ goto bail;
+
+ if (FcCacheReadDirs (config, cache, FcConfigGetConfigDirs (config), s))
+ goto bail;
+
+ return s;
+
+ bail:
+ FcFontSetDestroy (s);
+ return 0;
}
+/* read serialized state from the cache file */
FcBool
-FcDirCacheWriteDir (FcFontSet *set, FcStrSet *dirs, const FcChar8 *dir)
+FcDirCacheRead (FcFontSet * set, const FcChar8 *dir)
{
- FcChar8 *cache_file = FcStrPlus (dir, (FcChar8 *) "/" FC_DIR_CACHE_FILE);
- FcPattern *font;
- FILE *f;
- FcChar8 *name;
- const FcChar8 *file, *base;
- int n;
- int id;
- FcBool ret;
- FcStrList *list;
-
+ FcChar8 *cache_file = FcStrPlus (dir, (FcChar8 *) "/" FC_DIR_CACHE_FILE);
+ int fd;
+ FcCache metadata;
+ void * current_dir_block;
+ char * current_arch_machine_name;
+ char candidate_arch_machine_name[9+MACHINE_SIGNATURE_SIZE];
+ off_t current_arch_start = 0;
+
+ if (force)
+ goto bail;
if (!cache_file)
- goto bail0;
- if (FcDebug () & FC_DBG_CACHE)
- printf ("FcDirCacheWriteDir cache_file \"%s\"\n", cache_file);
-
- f = fopen ((char *) cache_file, "w");
- if (!f)
- {
- if (FcDebug () & FC_DBG_CACHE)
- printf (" can't create \"%s\"\n", cache_file);
+ goto bail;
+
+ current_arch_machine_name = FcCacheProduceMachineSignature();
+ fd = open(cache_file, O_RDONLY);
+ if (fd == -1)
+ goto bail;
+
+ current_arch_start = FcCacheSkipToArch(fd, current_arch_machine_name);
+ if (current_arch_start < 0)
+ goto bail1;
+
+ lseek (fd, current_arch_start, SEEK_SET);
+ if (FcCacheReadString2 (fd, candidate_arch_machine_name,
+ sizeof (candidate_arch_machine_name)) == 0)
goto bail1;
- }
-
- list = FcStrListCreate (dirs);
- if (!list)
- goto bail2;
-
- while ((dir = FcStrListNext (list)))
- {
- base = FcFileBaseName (cache_file, dir);
- if (!FcCacheWriteString (f, base))
- goto bail3;
- if (PUTC (' ', f) == EOF)
- goto bail3;
- if (!FcCacheWriteInt (f, 0))
- goto bail3;
- if (PUTC (' ', f) == EOF)
- goto bail3;
- if (!FcCacheWriteString (f, FC_FONT_FILE_DIR))
- goto bail3;
- if (PUTC ('\n', f) == EOF)
- goto bail3;
- }
+
+ // sanity check for endianness issues
+ read(fd, &metadata, sizeof(FcCache));
+ if (metadata.magic != FC_CACHE_MAGIC)
+ goto bail1;
+
+ if (!metadata.count)
+ goto bail1;
+
+ off_t pos = FcCacheNextOffset (lseek(fd, 0, SEEK_CUR));
+ current_dir_block = mmap (0, metadata.count,
+ PROT_READ, MAP_SHARED, fd, pos);
+ if (current_dir_block == MAP_FAILED)
+ perror("");
- for (n = 0; n < set->nfont; n++)
+ if (!FcFontSetUnserialize (metadata, set, current_dir_block))
+ goto bail1;
+
+ close(fd);
+ free (cache_file);
+ return FcTrue;
+
+ bail1:
+ close(fd);
+ bail:
+ free (cache_file);
+ return FcFalse;
+}
+
+/* write serialized state to the cache file */
+FcBool
+FcDirCacheWrite (int bank, FcFontSet *set, const FcChar8 *dir)
+{
+ FcChar8 *cache_file = FcStrPlus (dir, (FcChar8 *) "/" FC_DIR_CACHE_FILE);
+ int fd, bytes_to_write, metadata_bytes;
+ FcCache metadata;
+ off_t current_arch_start = 0, truncate_to;
+ char * current_arch_machine_name, * header;
+ void * current_dir_block, *final_dir_block;
+
+ if (!cache_file)
+ goto bail;
+
+ FcFontSetNewBank();
+ bytes_to_write = FcFontSetNeededBytes (set);
+ metadata_bytes = FcCacheNextOffset (sizeof (FcCache));
+
+ if (!bytes_to_write)
{
- font = set->fonts[n];
- if (FcPatternGetString (font, FC_FILE, 0, (FcChar8 **) &file) != FcResultMatch)
- goto bail3;
- base = FcFileBaseName (cache_file, file);
- if (FcPatternGetInteger (font, FC_INDEX, 0, &id) != FcResultMatch)
- goto bail3;
- if (FcDebug () & FC_DBG_CACHEV)
- printf (" write file \"%s\"\n", base);
- if (!FcCacheWriteString (f, base))
- goto bail3;
- if (PUTC (' ', f) == EOF)
- goto bail3;
- if (!FcCacheWriteInt (f, id))
- goto bail3;
- if (PUTC (' ', f) == EOF)
- goto bail3;
- name = FcNameUnparse (font);
- if (!name)
- goto bail3;
- ret = FcCacheWriteString (f, name);
- FcStrFree (name);
- if (!ret)
- goto bail3;
- if (PUTC ('\n', f) == EOF)
- goto bail3;
+ unlink (cache_file);
+ free (cache_file);
+ return FcTrue;
}
-
- FcStrListDone (list);
- if (fclose (f) == EOF)
- goto bail1;
-
- FcStrFree (cache_file);
+ current_dir_block = malloc (bytes_to_write);
+ memset (&metadata, 0, sizeof(FcCache));
+ metadata.count = bytes_to_write;
+ metadata.bank = bank;
+ if (!current_dir_block)
+ goto bail;
+ final_dir_block = FcFontSetDistributeBytes (&metadata, current_dir_block);
+
+ if ((char *)current_dir_block + bytes_to_write != final_dir_block)
+ goto bail;
+
+ if (!FcFontSetSerialize (bank, set))
+ goto bail;
if (FcDebug () & FC_DBG_CACHE)
- printf (" cache written\n");
+ printf ("FcDirCacheWriteDir cache_file \"%s\"\n", cache_file);
+
+ fd = open(cache_file, O_RDWR | O_CREAT, 0666);
+ if (fd == -1)
+ goto bail;
+
+ current_arch_machine_name = FcCacheProduceMachineSignature ();
+ current_arch_start = FcCacheSkipToArch(fd, current_arch_machine_name);
+ if (current_arch_start < 0)
+ current_arch_start = FcCacheNextOffset (lseek(fd, 0, SEEK_END));
+
+ if (!FcCacheMoveDown(fd, current_arch_start))
+ goto bail1;
+
+ current_arch_start = lseek(fd, 0, SEEK_CUR);
+ if (ftruncate (fd, current_arch_start) == -1)
+ goto bail1;
+
+ /* now write the address of the next offset */
+ truncate_to = FcCacheNextOffset (FcCacheNextOffset (current_arch_start + metadata_bytes) + bytes_to_write) - current_arch_start;
+
+ header = malloc (10 + strlen (current_arch_machine_name));
+ sprintf (header, "%8x ", (int)truncate_to);
+ strcat (header, current_arch_machine_name);
+ if (!FcCacheWriteString2 (fd, header))
+ goto bail1;
+
+ metadata.magic = FC_CACHE_MAGIC;
+ write (fd, &metadata, sizeof(FcCache));
+ lseek (fd, FcCacheNextOffset (lseek(fd, 0, SEEK_END)), SEEK_SET);
+ write (fd, current_dir_block, bytes_to_write);
+
+ /* this actually serves to pad out the cache file, if needed */
+ if (ftruncate (fd, current_arch_start + truncate_to) == -1)
+ goto bail1;
+
+ close(fd);
return FcTrue;
-
-bail3:
- FcStrListDone (list);
-bail2:
- fclose (f);
-bail1:
- unlink ((char *) cache_file);
- FcStrFree (cache_file);
-bail0:
+
+ bail1:
+ free (current_dir_block);
+ free (current_arch_machine_name);
+ bail:
+ unlink (cache_file);
+ free (cache_file);
return FcFalse;
}
+
+static char *
+FcCacheProduceMachineSignature ()
+{
+ static char buf[MACHINE_SIGNATURE_SIZE];
+ int magic = ENDIAN_TEST;
+ char * m = (char *)&magic;
+
+ sprintf (buf, "%2x%2x%2x%2x "
+ "%4x %4x %4x %4x %4x %4x %4x %4x %4x %4x %4x %4x "
+ "%4x %4x %4x %4x %4x %4x %4x\n",
+ m[0], m[1], m[2], m[3],
+ sizeof (char),
+ sizeof (char *),
+ sizeof (int),
+ sizeof (FcPattern),
+ sizeof (FcPatternEltPtr),
+ sizeof (struct _FcPatternElt *),
+ sizeof (FcPatternElt),
+ sizeof (FcObjectPtr),
+ sizeof (FcValueListPtr),
+ sizeof (FcValue),
+ sizeof (FcValueBinding),
+ sizeof (struct _FcValueList *),
+ sizeof (FcCharSet),
+ sizeof (FcCharLeaf **),
+ sizeof (FcChar16 *),
+ sizeof (FcChar16),
+ sizeof (FcCharLeaf),
+ sizeof (FcChar32),
+ sizeof (FcCache));
+
+ return buf;
+}
+
+/* if true, ignore the cache file */
+void
+FcCacheForce (FcBool f)
+{
+ force = f;
+}
+
+static int banks_ptr = 0, banks_alloc = 0;
+static int * bankId = 0;
+
+int
+FcCacheBankCount (void)
+{
+ return banks_ptr;
+}
+
+FcBool
+FcCacheHaveBank (int bank)
+{
+ int i;
+
+ if (bank < FC_BANK_FIRST)
+ return FcTrue;
+
+ for (i = 0; i < banks_ptr; i++)
+ if (bankId[i] == bank)
+ return FcTrue;
+
+ return FcFalse;
+}
+
+int
+FcCacheBankToIndex (int bank)
+{
+ static int lastBank = FC_BANK_DYNAMIC, lastIndex = -1;
+ int i;
+ int * b;
+
+ if (bank == lastBank)
+ return lastIndex;
+
+ for (i = 0; i < banks_ptr; i++)
+ if (bankId[i] == bank)
+ return i;
+
+ if (banks_ptr >= banks_alloc)
+ {
+ b = realloc (bankId, (banks_alloc + 4) * sizeof(int));
+ if (!b)
+ return -1;
+
+ bankId = b;
+ banks_alloc += 4;
+ }
+
+ i = banks_ptr++;
+ bankId[i] = bank;
+ return i;
+}
git.wh0rd.org / fontconfig.git / blobdiff