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Fix g_stat() for 64bit windows/mingw64

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This commit is contained in:
Robin Gareus 2017-10-18 17:53:02 +02:00
parent 0c59ba649e
commit 5c6e2b5802
1 changed files with 41 additions and 0 deletions
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41
libs/pbd/pbd/gstdio_compat.h
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@ -25,4 +25,45 @@ pbd_g_stat(const gchar *filename, GStatBufW32 *buf)
# define g_lstat pbd_g_stat # define g_lstat pbd_g_stat
#endif #endif
/* 64bit mingw -- use _mingw_stat64.h
*
* glib-2.42.0 wrongly uses _wstat() with 'struct stat' (only MSVC is special cased),
* while the windows API is
* int _wstat(const wchar_t*, struct _stat*)
* note that struct _stat != struct stat;
*/
#if defined(_WIN32) && !defined(_MSC_VER) && defined(_WIN64)
#include <windows.h>
#include <errno.h>
#include <wchar.h>
typedef struct _stat GStatBufW64;
static inline int
pbd_g_stat(const gchar* filename, GStatBufW64* buf)
{
gunichar2* wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL);
if (wfilename == NULL) {
errno = EINVAL;
return -1;
}
int len = wcslen ((wchar_t*)wfilename);
while (len > 0 && G_IS_DIR_SEPARATOR (wfilename[len-1])) {
--len;
}
if (len > 0 && (!g_path_is_absolute (filename) || len > g_path_skip_root (filename) - filename)) {
wfilename[len] = '\0';
}
int retval = _wstat ((wchar_t*)wfilename, buf);
int save_errno = errno;
g_free (wfilename);
errno = save_errno;
return retval;
}
# define GStatBuf GStatBufW64
# define g_stat pbd_g_stat
# define g_lstat pbd_g_stat
#endif
#endif /* __pbd_gstdio_compat_h__ */ #endif /* __pbd_gstdio_compat_h__ */