* PERFORMANCE OF THIS SOFTWARE.
*/
+#include "fcint.h"
#include <fcntl.h>
#include <dirent.h>
#include <string.h>
-#include <sys/mman.h>
-#include <sys/utsname.h>
#include <sys/types.h>
-#include <unistd.h>
-#include "fcint.h"
-#include <unistd.h>
+#if defined(HAVE_MMAP) || defined(__CYGWIN__)
+# include <unistd.h>
+# include <sys/mman.h>
+#elif defined(_WIN32)
+# include <windows.h>
+#endif
#define ENDIAN_TEST 0x12345678
#define MACHINE_SIGNATURE_SIZE (9 + 5*20 + 1)
+/* for when we don't have sysconf: */
+#define FC_HARDCODED_PAGESIZE 8192
#ifndef O_BINARY
#define O_BINARY 0
FcCache md;
off_t off;
- FcStrSetAdd (staleDirs, FcStrCopy ((FcChar8 *)name_buf));
+ FcStrSetAdd (staleDirs, (FcChar8 *)name_buf);
/* skip subdirs */
while (FcCacheReadString (cache->fd, subdirName,
if (cache->fd == -1)
return FcFalse;
- if (!(dir = (char *)FcConfigNormalizeFontDir (config, (FcChar8 *)dir)))
- return FcFalse; /* non-existing directory */
+ if (config)
+ if (!(dir = (char *)FcConfigNormalizeFontDir (config, (FcChar8 *)dir)))
+ return FcFalse; /* non-existing directory */
for (d = cache->dirs; d; d = d->next)
{
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;
goto bail3;
current_arch_start = lseek(fd, 0, SEEK_CUR);
+#if defined (HAVE_FTRUNCATE)
if (ftruncate (fd, current_arch_start) == -1)
goto bail3;
+#else
+#if defined (HAVE_CHSIZE)
+ if (chsize (fd, current_arch_start) == -1)
+ goto bail3;
+#else
+ goto bail3;
+#endif
+#endif
header = malloc (10 + strlen (current_arch_machine_name));
if (!header)
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;
if (!FcCacheWriteString (fd, header))
goto bail4;
+ free (header);
+
for (dir = cache->dirs; dir; dir = dir->next)
{
+ int i;
const char * d;
off_t off;
FcCacheNextOffset(off_t w)
{
static long pagesize = -1;
+
+ if (w == -1)
+ return w;
+
if (pagesize == -1)
+#if defined (HAVE_SYSCONF)
pagesize = sysconf(_SC_PAGESIZE);
+#else
+ pagesize = FC_HARDCODED_PAGESIZE;
+#endif
if (w % pagesize == 0)
return w;
else
current_arch_start += bs;
current_arch_start = FcCacheNextOffset (current_arch_start);
}
-
- return -1;
}
/* Cuts out the segment at the file pointer (moves everything else
fd = open(cache_hashed, O_RDONLY | O_BINARY);
if (fd == -1)
{
+ FcStrFree ((FcChar8 *)cache_hashed);
FcStrFree ((FcChar8 *)cache_file);
return FcTrue;
}
{
FcCache metadata;
void * current_dir_block;
- off_t pos;
+ off_t pos, endpos;
if (read(fd, &metadata, sizeof(FcCache)) != sizeof(FcCache))
return FcFalse;
}
pos = FcCacheNextOffset (lseek(fd, 0, SEEK_CUR));
+
+ /* This is not failsafe (multi-arches can break it),
+ * but fd has got to have at least as many bytes as
+ * metadata.count, or something's going to go horribly wrong. */
+ if (pos == (off_t)-1)
+ return FcFalse;
+
+ endpos = lseek (fd, 0, SEEK_END);
+ if (endpos == (off_t)-1 || endpos - pos < metadata.count)
+ return FcFalse;
+ if (lseek (fd, pos, SEEK_SET) == -1)
+ return FcFalse;
+
+#if defined(HAVE_MMAP) || defined(__CYGWIN__)
current_dir_block = mmap (0, metadata.count,
PROT_READ, MAP_SHARED, fd, pos);
- lseek (fd, pos+metadata.count, SEEK_SET);
if (current_dir_block == MAP_FAILED)
return FcFalse;
+#elif defined(_WIN32)
+ {
+ HANDLE hFileMap;
+
+ hFileMap = CreateFileMapping((HANDLE) _get_osfhandle(fd), NULL, PAGE_READONLY, 0, 0, NULL);
+ if (hFileMap == NULL)
+ return FcFalse;
+
+ current_dir_block = MapViewOfFile (hFileMap, FILE_MAP_READ, 0, 0, metadata.count + pos);
+ if (current_dir_block == NULL)
+ {
+ CloseHandle (hFileMap);
+ return FcFalse;
+ }
+
+ current_dir_block = (void *)((char *)current_dir_block + pos);
+ }
+#else
+ current_dir_block = malloc (metadata.count);
+ if (!current_dir_block)
+ return FcFalse;
+
+ /* could also use CreateMappedViewOfFile under MinGW... */
+ if (read (fd, current_dir_block, metadata.count) != metadata.count)
+ goto bail;
+#endif
+ lseek (fd, pos+metadata.count, SEEK_SET);
FcCacheAddBankDir (metadata.bank, dir);
if (config)
FcConfigAddFontDir (config, (FcChar8 *)dir);
if (!FcFontSetUnserialize (&metadata, set, current_dir_block))
- return FcFalse;
+ goto bail;
return FcTrue;
+ bail:
+#if !(defined(HAVE_MMAP) || defined(__CYGWIN__))
+ free (current_dir_block);
+#endif
+ return FcFalse;
}
static void *
static unsigned int rand_state = 0;
int bank, needed_bytes_no_align;
+#if defined (HAVE_RAND_R)
if (!rand_state)
rand_state = time(0L);
bank = rand_r(&rand_state);
while (FcCacheHaveBank(bank))
bank = rand_r(&rand_state);
+#else
+ if (!rand_state)
+ {
+ rand_state = 1;
+ srand (time (0L));
+ }
+ bank = rand();
+
+ while (FcCacheHaveBank(bank))
+ bank = rand();
+#endif
memset (metadata, 0, sizeof(FcCache));
FcFontSetNewBank();
if(!FcCacheReadString (fd, name_buf, sizeof (name_buf)) || !strlen(name_buf))
{
close (fd);
+ FcStrFree ((FcChar8 *)cache_hashed);
continue;
}
close (fd);
- if (strcmp (name_buf, cache_file) != 0)
+ if (strcmp (name_buf, cache_file) != 0)
+ {
+ FcStrFree ((FcChar8 *)cache_hashed);
continue;
+ }
break;
} while (1);
if (current_arch_start < 0)
{
- off_t i = lseek(fd_orig, 0, SEEK_END);
- 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))
close (fd_orig);
current_arch_start = lseek(fd, 0, SEEK_CUR);
+#if defined (HAVE_FTRUNCATE)
if (ftruncate (fd, current_arch_start) == -1)
goto bail4;
+#else
+#if defined (HAVE_CHSIZE)
+ if (chsize (fd, current_arch_start) == -1)
+ goto bail4;
+#else
+ goto bail4;
+#endif
+#endif
/* allocate space for subdir names in this block */
dirs_count = 0;
}
/* this actually serves to pad out the cache file, if needed */
+#if defined (HAVE_FTRUNCATE)
if (ftruncate (fd, current_arch_start + truncate_to) == -1)
goto bail5;
+#else
+#if defined (HAVE_CHSIZE)
+ if (chsize (fd, current_arch_start + truncate_to) == -1)
+ goto bail5;
+#else
+ goto bail5;
+#endif
+#endif
free (header);
close(fd);
if (!FcAtomicReplaceOrig(atomic))
- goto bail5;
+ goto bail3;
FcStrFree ((FcChar8 *)cache_hashed);
FcStrFree ((FcChar8 *)cache_file);
FcAtomicUnlock (atomic);
(unsigned int)sizeof (FcCharLeaf),
(unsigned int)sizeof (FcChar32),
(unsigned int)sizeof (FcCache),
+#if defined (HAVE_SYSCONF)
(unsigned int)sysconf(_SC_PAGESIZE));
+#else
+ (unsigned int)FC_HARDCODED_PAGESIZE);
+#endif
return buf;
}
git.wh0rd.org / fontconfig.git / blobdiff