#include <unistd.h>
#define ENDIAN_TEST 0x12345678
-#define MACHINE_SIGNATURE_SIZE 9 + 5*20 + 1
+#define MACHINE_SIGNATURE_SIZE (9 + 5*20 + 1)
+
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
static int
FcDirCacheOpen (const FcChar8 * dir);
static char *
FcCacheReadString (int fd, char *dest, int len)
{
- FcChar8 c;
- FcBool escape;
- int size;
- int i;
+ int size;
+ int slen;
if (len == 0)
return 0;
-
- size = len;
- i = 0;
- escape = FcFalse;
- while (read (fd, &c, 1) == 1)
+
+ size = read (fd, dest, len-1);
+
+ if (size > 0)
{
- 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;
+ dest[size] = '\0';
+ slen = strlen (dest);
+
+ lseek (fd, slen - size + 1, SEEK_CUR);
+ return slen < len ? dest : 0;
}
+
return 0;
}
static void
FcCacheSkipString (int fd)
{
- FcChar8 c;
- FcBool escape;
+ char buf[256];
+ int size;
+ int slen;
- escape = FcFalse;
- while (read (fd, &c, 1) == 1)
+ while ( (size = read (fd, buf, sizeof (buf)-1)) > 0)
{
- if (!escape)
- {
- switch (c) {
- case '"':
- c = '\0';
- break;
- case '\\':
- escape = FcTrue;
- continue;
- }
- }
- if (c == '\0')
- return;
- escape = FcFalse;
+ buf [size] = '\0';
+ slen = strlen (buf);
+ if (slen < size)
+ {
+ lseek (fd, slen - size + 1, SEEK_CUR);
+ return;
+ }
}
- return;
}
static FcBool
if (stat ((char *) cache_file, &cache_stat) < 0)
return;
- cache->fd = open ((char *) cache_file, O_RDONLY);
+ cache->fd = open ((char *) cache_file, O_RDONLY | O_BINARY);
if (cache->fd == -1)
return;
current_arch_start = FcCacheSkipToArch(cache->fd,
current_arch_machine_name);
if (current_arch_start < 0)
- goto bail_and_destroy;
+ goto bail1;
lseek (cache->fd, current_arch_start, SEEK_SET);
if (!FcCacheReadString (cache->fd, candidate_arch_machine_name,
const FcChar8 *cache_file,
FcConfig *config)
{
- int fd, fd_orig, i;
+ int fd, fd_orig;
FcGlobalCacheDir *dir;
FcAtomic *atomic;
off_t current_arch_start = 0, truncate_to;
if (!FcAtomicLock (atomic))
goto bail1;
- fd = open ((char *) FcAtomicNewFile(atomic), O_RDWR | O_CREAT,
+ fd = open ((char *) FcAtomicNewFile(atomic), O_RDWR | O_CREAT | O_BINARY,
S_IRUSR | S_IWUSR);
if (fd == -1)
goto bail2;
FcCacheWriteString (fd, FC_GLOBAL_MAGIC_COOKIE);
- fd_orig = open ((char *) FcAtomicOrigFile(atomic), O_RDONLY);
+ fd_orig = open ((char *) FcAtomicOrigFile(atomic), O_RDONLY | O_BINARY);
current_arch_machine_name = FcCacheMachineSignature ();
if (fd_orig == -1)
truncate_to = current_arch_start + strlen(current_arch_machine_name) + 11;
for (dir = cache->dirs; dir; dir = dir->next)
{
+ int i;
+
if (dir->state == FcGCDirDisabled)
continue;
truncate_to += strlen(dir->name) + 1;
for (dir = cache->dirs; dir; dir = dir->next)
{
+ int i;
const char * d;
off_t off;
return -1;
bs = strtol(candidate_arch_machine_name_count, &candidate_arch, 16);
- // count = 0 should probably be distinguished from the !bs condition
+ /* count = 0 should probably be distinguished from the !bs condition */
if (!bs || bs < strlen (candidate_arch_machine_name_count))
return -1;
if (strcmp (candidate_arch, arch)==0)
return current_arch_start;
current_arch_start += bs;
+ current_arch_start = FcCacheNextOffset (current_arch_start);
}
-
- return -1;
}
/* Cuts out the segment at the file pointer (moves everything else
loc = 0;
lseek (fd, 0, SEEK_SET); lseek (fd_orig, 0, SEEK_SET);
+ FcCacheSkipString (fd); FcCacheSkipString (fd_orig);
do
{
int b = 8192;
fd = FcDirCacheOpen (dir);
if (fd < 0)
- goto bail;
+ return FcFalse;
if (fstat (fd, &file_stat) < 0)
goto bail;
int fd;
off_t current_arch_start;
char *current_arch_machine_name;
+ FcCache metadata;
+ char subdirName[FC_MAX_FILE_LEN + 1 + 12 + 1];
fd = FcDirCacheOpen (dir);
if (fd < 0)
current_arch_machine_name = FcCacheMachineSignature();
current_arch_start = FcCacheSkipToArch(fd, current_arch_machine_name);
+
+ if (current_arch_start >= 0)
+ {
+ if (lseek (fd, current_arch_start, SEEK_SET) != current_arch_start)
+ goto bail1;
+
+ FcCacheSkipString (fd);
+
+ while (FcCacheReadString (fd, subdirName, sizeof (subdirName)) && strlen (subdirName) > 0)
+ ;
+
+ if (read(fd, &metadata, sizeof(FcCache)) != sizeof(FcCache))
+ goto bail1;
+
+ if (metadata.magic != FC_CACHE_MAGIC)
+ goto bail1;
+ }
+
close (fd);
if (current_arch_start < 0)
return FcTrue;
+ bail1:
+ close (fd);
bail:
return FcFalse;
}
return FcFalse;
/* First remove normal cache file. */
- if (stat ((char *) cache_file, &cache_stat) == 0 &&
- unlink ((char *)cache_file) != 0)
- goto bail;
+ if (stat ((char *) cache_file, &cache_stat) == 0)
+ unlink ((char *)cache_file);
/* Next remove any applicable hashed files. */
fd = -1; collisions = 0;
if (fd > 0)
close (fd);
- fd = open(cache_hashed, O_RDONLY);
+ fd = open(cache_hashed, O_RDONLY | O_BINARY);
if (fd == -1)
{
FcStrFree ((FcChar8 *)cache_file);
static int
FcCacheReadDirs (FcConfig * config, FcGlobalCache * cache,
- FcStrList *list, FcFontSet * set)
+ FcStrList *list, FcFontSet * set, FcStrSet *processed_dirs)
{
int ret = 0;
FcChar8 *dir;
- const FcChar8 *name;
FcStrSet *subdirs;
FcStrList *sublist;
struct stat statb;
/* Skip this directory if already updated
* to avoid the looped directories via symlinks
+ * Clearly a dir not in fonts.conf shouldn't be globally cached.
*/
- name = FcConfigNormalizeFontDir (config, dir);
- if (name)
- {
- if ((d = FcGlobalCacheDirFind (cache, (const char *)name)) != NULL &&
- d->state == FcGCDirUpdated)
- continue;
- }
+ dir = (FcChar8 *)FcConfigNormalizeFontDir (config, dir);
+ if (!dir)
+ continue;
+
+ if (FcStrSetMember (processed_dirs, dir))
+ continue;
+ if (!FcStrSetAdd (processed_dirs, dir))
+ continue;
subdirs = FcStrSetCreate ();
if (!subdirs)
FcStrSetDestroy (subdirs);
continue;
}
- if (FcDirCacheValid (dir) && FcDirCacheRead (set, subdirs, dir, config))
+ if (FcDirCacheValid (dir) &&
+ FcDirCacheHasCurrentArch (dir) &&
+ FcDirCacheRead (set, subdirs, dir, config))
{
/* if an old entry is found in the global cache, disable it */
- if ((d = FcGlobalCacheDirFind (cache, (const char *)name)) != NULL)
+ if ((d = FcGlobalCacheDirFind (cache, (const char *)dir)) != NULL)
{
d->state = FcGCDirDisabled;
/* save the updated config later without this entry */
ret++;
continue;
}
- ret += FcCacheReadDirs (config, cache, sublist, set);
+ ret += FcCacheReadDirs (config, cache, sublist, set, processed_dirs);
}
FcStrListDone (list);
return ret;
FcFontSet *
FcCacheRead (FcConfig *config, FcGlobalCache * cache)
{
- FcFontSet * s = FcFontSetCreate();
+ FcFontSet *s = FcFontSetCreate();
+ FcStrSet *processed_dirs;
+
if (!s)
return 0;
- if (FcCacheReadDirs (config, cache, FcConfigGetConfigDirs (config), s))
+ processed_dirs = FcStrSetCreate();
+ if (!processed_dirs)
goto bail;
+ if (FcCacheReadDirs (config, cache, FcConfigGetConfigDirs (config), s, processed_dirs))
+ goto bail1;
+
+ FcStrSetDestroy (processed_dirs);
return s;
+ bail1:
+ FcStrSetDestroy (processed_dirs);
bail:
FcFontSetDestroy (s);
return 0;
char name_buf[FC_MAX_FILE_LEN];
struct stat dir_stat;
- cache_file = (char *)FcStrPlus (dir, (FcChar8 *) "/" FC_DIR_CACHE_FILE);
- if (!cache_file)
+ if (stat ((char *)dir, &dir_stat) == -1)
return -1;
- fd = open(cache_file, O_RDONLY);
- if (fd != -1)
- return fd;
-
- if (stat ((char *)dir, &dir_stat) == -1)
+ cache_file = (char *)FcStrPlus (dir, (FcChar8 *) "/" FC_DIR_CACHE_FILE);
+ if (!cache_file)
return -1;
found = FcFalse;
do
{
- struct stat c;
- FcChar8 * name_buf_dir;
+ struct stat c;
+ FcChar8 *name_buf_dir;
+
+ if (fd >= 0)
+ close (fd);
cache_hashed = FcDirCacheHashName (cache_file, collisions++);
if (!cache_hashed)
return -1;
}
- if (fd > 0)
- close (fd);
- fd = open(cache_hashed, O_RDONLY);
+ fd = open(cache_hashed, O_RDONLY | O_BINARY);
FcStrFree ((FcChar8 *)cache_hashed);
if (fd == -1)
- {
- FcStrFree ((FcChar8 *)cache_file);
- return -1;
- }
- if (!FcCacheReadString (fd, name_buf, sizeof (name_buf)) || !strlen(name_buf))
- goto bail;
+ break;
+ if (!FcCacheReadString (fd, name_buf, sizeof (name_buf)) ||
+ !strlen(name_buf))
+ break;
name_buf_dir = FcStrDirname ((FcChar8 *)name_buf);
if (stat ((char *)name_buf_dir, &c) == -1)
FcStrFree (name_buf_dir);
found = (c.st_ino == dir_stat.st_ino) && (c.st_dev == dir_stat.st_dev);
} while (!found);
- FcStrFree ((FcChar8 *)cache_file);
- return fd;
- bail:
+ if (!found || fd < 0)
+ {
+ if (fd >= 0)
+ close (fd);
+ fd = open(cache_file, O_RDONLY | O_BINARY);
+ }
+
FcStrFree ((FcChar8 *)cache_file);
- close (fd);
- return -1;
+ return fd;
}
/* read serialized state from the cache file */
current_dir_block = malloc (metadata->count);
if (!current_dir_block)
goto bail;
- // shut up valgrind
+ /* shut up valgrind */
memset (current_dir_block, 0, metadata->count);
final_dir_block = FcFontSetDistributeBytes (metadata, current_dir_block);
if (fd > 0)
close (fd);
- fd = open(cache_hashed, O_RDONLY);
+ fd = open(cache_hashed, O_RDONLY | O_BINARY);
if (fd == -1)
break;
if(!FcCacheReadString (fd, name_buf, sizeof (name_buf)) || !strlen(name_buf))
{
close (fd);
- break;
+ continue;
}
close (fd);
if (strcmp (name_buf, cache_file) != 0)
continue;
- } while (0);
+
+ break;
+ } while (1);
current_dir_block = FcDirCacheProduce (set, &metadata);
FcAtomicDestroy (atomic);
atomic = FcAtomicCreate ((FcChar8 *)cache_file);
- fd_orig = open (cache_file, O_RDONLY);
+ fd_orig = open (cache_file, O_RDONLY | O_BINARY);
if (fd_orig == -1)
- fd_orig = open((char *)FcAtomicOrigFile (atomic), O_RDONLY);
+ fd_orig = open((char *)FcAtomicOrigFile (atomic), O_RDONLY | O_BINARY);
- fd = open((char *)FcAtomicNewFile (atomic), O_RDWR | O_CREAT, 0666);
+ fd = open((char *)FcAtomicNewFile (atomic), O_RDWR | O_CREAT | O_BINARY, 0666);
if (fd == -1)
goto bail2;
}
/* In all cases, try opening the real location of the cache file first. */
/* (even if that's not atomic.) */
- fd_orig = open (cache_file, O_RDONLY);
+ fd_orig = open (cache_file, O_RDONLY | O_BINARY);
if (fd_orig == -1)
- fd_orig = open((char *)FcAtomicOrigFile (atomic), O_RDONLY);
+ fd_orig = open((char *)FcAtomicOrigFile (atomic), O_RDONLY | O_BINARY);
- fd = open((char *)FcAtomicNewFile (atomic), O_RDWR | O_CREAT, 0666);
+ fd = open((char *)FcAtomicNewFile (atomic), O_RDWR | O_CREAT | O_BINARY, 0666);
if (fd == -1)
goto bail3;
if (current_arch_start < 0)
{
- off_t i = lseek(fd_orig, 0, SEEK_END);
- if (i < strlen (FC_GLOBAL_MAGIC_COOKIE)+1)
- i = strlen (FC_GLOBAL_MAGIC_COOKIE)+1;
- current_arch_start = FcCacheNextOffset (i);
+ off_t offset = lseek(fd_orig, 0, SEEK_END);
+ current_arch_start = FcCacheNextOffset (offset);
}
if (fd_orig != -1 && !FcCacheCopyOld(fd, fd_orig, current_arch_start))
metadata.count)
perror("write current_dir_block");
free (current_dir_block);
+ current_dir_block = 0;
}
/* this actually serves to pad out the cache file, if needed */
git.wh0rd.org / fontconfig.git / blobdiff