Commit 6a83c1ad authored by Mikhail Gusarov's avatar Mikhail Gusarov Committed by Akira TAGOH

Move FcStat to separate compilation unit

FcStat() logic is quite complicated in presence of various semi-broken operating
systems and filesystems, split it out in order to make it a bit easier.
Signed-off-by: Mikhail Gusarov's avatarMikhail Gusarov <dottedmag@dottedmag.net>
parent 26160366
......@@ -119,6 +119,7 @@ libfontconfig_la_SOURCES = \
fcname.c \
fcpat.c \
fcserialize.c \
fcstat.c \
fcstr.c \
fcxml.c \
ftglue.h \
......
......@@ -71,94 +71,6 @@ static void MD5Transform(FcChar32 buf[4], FcChar32 in[16]);
#define CACHEBASE_LEN (1 + 32 + 1 + sizeof (FC_ARCHITECTURE) + sizeof (FC_CACHE_SUFFIX))
#ifdef _WIN32
#include <windows.h>
#ifdef __GNUC__
typedef long long INT64;
#define EPOCH_OFFSET 11644473600ll
#else
#define EPOCH_OFFSET 11644473600i64
typedef __int64 INT64;
#endif
/* Workaround for problems in the stat() in the Microsoft C library:
*
* 1) stat() uses FindFirstFile() to get the file
* attributes. Unfortunately this API doesn't return correct values
* for modification time of a directory until some time after a file
* or subdirectory has been added to the directory. (This causes
* run-test.sh to fail, for instance.) GetFileAttributesEx() is
* better, it returns the updated timestamp right away.
*
* 2) stat() does some strange things related to backward
* compatibility with the local time timestamps on FAT volumes and
* daylight saving time. This causes problems after the switches
* to/from daylight saving time. See
* http://bugzilla.gnome.org/show_bug.cgi?id=154968 , especially
* comment #30, and http://www.codeproject.com/datetime/dstbugs.asp .
* We don't need any of that, FAT and Win9x are as good as dead. So
* just use the UTC timestamps from NTFS, converted to the Unix epoch.
*/
int
FcStat (const FcChar8 *file, struct stat *statb)
{
WIN32_FILE_ATTRIBUTE_DATA wfad;
char full_path_name[MAX_PATH];
char *basename;
DWORD rc;
if (!GetFileAttributesEx (file, GetFileExInfoStandard, &wfad))
return -1;
statb->st_dev = 0;
/* Calculate a pseudo inode number as a hash of the full path name.
* Call GetLongPathName() to get the spelling of the path name as it
* is on disk.
*/
rc = GetFullPathName (file, sizeof (full_path_name), full_path_name, &basename);
if (rc == 0 || rc > sizeof (full_path_name))
return -1;
rc = GetLongPathName (full_path_name, full_path_name, sizeof (full_path_name));
statb->st_ino = FcStringHash (full_path_name);
statb->st_mode = _S_IREAD | _S_IWRITE;
statb->st_mode |= (statb->st_mode >> 3) | (statb->st_mode >> 6);
if (wfad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
statb->st_mode |= _S_IFDIR;
else
statb->st_mode |= _S_IFREG;
statb->st_nlink = 1;
statb->st_uid = statb->st_gid = 0;
statb->st_rdev = 0;
if (wfad.nFileSizeHigh > 0)
return -1;
statb->st_size = wfad.nFileSizeLow;
statb->st_atime = (*(INT64 *)&wfad.ftLastAccessTime)/10000000 - EPOCH_OFFSET;
statb->st_mtime = (*(INT64 *)&wfad.ftLastWriteTime)/10000000 - EPOCH_OFFSET;
statb->st_ctime = statb->st_mtime;
return 0;
}
#else
int
FcStat (const FcChar8 *file, struct stat *statb)
{
return stat ((char *) file, statb);
}
#endif
static FcBool
FcCacheIsMmapSafe (int fd)
{
......
......@@ -567,9 +567,6 @@ FcCacheFini (void);
FcPrivate void
FcDirCacheReference (FcCache *cache, int nref);
FcPrivate int
FcStat (const FcChar8 *file, struct stat *statb);
/* fccfg.c */
FcPrivate FcChar8 *
......@@ -1020,6 +1017,11 @@ extern FcPrivate const FcMatrix FcIdentityMatrix;
FcPrivate void
FcMatrixFree (FcMatrix *mat);
/* fcstat.c */
FcPrivate int
FcStat (const FcChar8 *file, struct stat *statb);
/* fcstr.c */
FcPrivate void
FcStrSetSort (FcStrSet * set);
......
/*
* Copyright © 2000 Keith Packard
* Copyright © 2005 Patrick Lam
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the author(s) not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. The authors make no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "fcint.h"
#include "fcarch.h"
#include <dirent.h>
#ifdef _WIN32
#include <windows.h>
#ifdef __GNUC__
typedef long long INT64;
#define EPOCH_OFFSET 11644473600ll
#else
#define EPOCH_OFFSET 11644473600i64
typedef __int64 INT64;
#endif
/* Workaround for problems in the stat() in the Microsoft C library:
*
* 1) stat() uses FindFirstFile() to get the file
* attributes. Unfortunately this API doesn't return correct values
* for modification time of a directory until some time after a file
* or subdirectory has been added to the directory. (This causes
* run-test.sh to fail, for instance.) GetFileAttributesEx() is
* better, it returns the updated timestamp right away.
*
* 2) stat() does some strange things related to backward
* compatibility with the local time timestamps on FAT volumes and
* daylight saving time. This causes problems after the switches
* to/from daylight saving time. See
* http://bugzilla.gnome.org/show_bug.cgi?id=154968 , especially
* comment #30, and http://www.codeproject.com/datetime/dstbugs.asp .
* We don't need any of that, FAT and Win9x are as good as dead. So
* just use the UTC timestamps from NTFS, converted to the Unix epoch.
*/
int
FcStat (const FcChar8 *file, struct stat *statb)
{
WIN32_FILE_ATTRIBUTE_DATA wfad;
char full_path_name[MAX_PATH];
char *basename;
DWORD rc;
if (!GetFileAttributesEx (file, GetFileExInfoStandard, &wfad))
return -1;
statb->st_dev = 0;
/* Calculate a pseudo inode number as a hash of the full path name.
* Call GetLongPathName() to get the spelling of the path name as it
* is on disk.
*/
rc = GetFullPathName (file, sizeof (full_path_name), full_path_name, &basename);
if (rc == 0 || rc > sizeof (full_path_name))
return -1;
rc = GetLongPathName (full_path_name, full_path_name, sizeof (full_path_name));
statb->st_ino = FcStringHash (full_path_name);
statb->st_mode = _S_IREAD | _S_IWRITE;
statb->st_mode |= (statb->st_mode >> 3) | (statb->st_mode >> 6);
if (wfad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
statb->st_mode |= _S_IFDIR;
else
statb->st_mode |= _S_IFREG;
statb->st_nlink = 1;
statb->st_uid = statb->st_gid = 0;
statb->st_rdev = 0;
if (wfad.nFileSizeHigh > 0)
return -1;
statb->st_size = wfad.nFileSizeLow;
statb->st_atime = (*(INT64 *)&wfad.ftLastAccessTime)/10000000 - EPOCH_OFFSET;
statb->st_mtime = (*(INT64 *)&wfad.ftLastWriteTime)/10000000 - EPOCH_OFFSET;
statb->st_ctime = statb->st_mtime;
return 0;
}
#else
int
FcStat (const FcChar8 *file, struct stat *statb)
{
return stat ((char *) file, statb);
}
#endif
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