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gio/locafileinfo: fix set_mtime_atime on win32

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Use a similar behaviour as the utime()/posix implementation and query
the current times to allow modifying only usec/nsecs parts.

Fixes tests/g-file-info on win32.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Marc-André Lureau
2022-10-14 16:46:05 +04:00
parent 52a49eb9c2
commit f23d8a9087
1 changed files with 96 additions and 65 deletions
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73
gio/glocalfileinfo.c
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@@ -2441,6 +2441,26 @@ set_symlink (char *filename,
}
#endif
#if defined (HAVE_UTIMES) || defined (HAVE_UTIMENSAT) || defined(G_OS_WIN32)
static int
lazy_stat (const char *filename,
GStatBuf *statbuf,
gboolean *called_stat)
{
int res;
if (*called_stat)
return 0;
res = g_stat (filename, statbuf);
if (res == 0)
*called_stat = TRUE;
return res;
}
#endif
#if defined (G_OS_WIN32)
/* From
* https://support.microsoft.com/en-ca/help/167296/how-to-convert-a-unix-time-t-to-a-win32-filetime-or-systemtime
@@ -2546,6 +2566,8 @@ set_mtime_atime (const char *filename,
FILETIME *p_mtime = NULL;
FILETIME *p_atime = NULL;
DWORD gle;
GStatBuf statbuf;
gboolean got_stat = FALSE;
/* ATIME */
if (atime_value)
@@ -2554,6 +2576,20 @@ set_mtime_atime (const char *filename,
return FALSE;
val_usec = 0;
val_nsec = 0;
}
else
{
if (lazy_stat (filename, &statbuf, &got_stat) == 0)
{
val = statbuf.st_atime;
#if defined (HAVE_STRUCT_STAT_ST_ATIMENSEC)
val_nsec = statbuf.st_atimensec;
#elif defined (HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC)
val_nsec = statbuf.st_atim.tv_nsec;
#endif
}
}
if (atime_usec_value &&
!get_uint32 (atime_usec_value, &val_usec, error))
return FALSE;
@@ -2576,8 +2612,8 @@ set_mtime_atime (const char *filename,
if (!_g_win32_unix_time_to_filetime (val, val_usec, &atime, error))
return FALSE;
}
p_atime = &atime;
}
/* MTIME */
if (mtime_value)
@@ -2586,6 +2622,20 @@ set_mtime_atime (const char *filename,
return FALSE;
val_usec = 0;
val_nsec = 0;
}
else
{
if (lazy_stat (filename, &statbuf, &got_stat) == 0)
{
val = statbuf.st_mtime;
#if defined (HAVE_STRUCT_STAT_ST_MTIMENSEC)
val_nsec = statbuf.st_mtimensec;
#elif defined (HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
val_nsec = statbuf.st_mtim.tv_nsec;
#endif
}
}
if (mtime_usec_value &&
!get_uint32 (mtime_usec_value, &val_usec, error))
return FALSE;
@@ -2609,7 +2659,6 @@ set_mtime_atime (const char *filename,
return FALSE;
}
p_mtime = &mtime;
}
filename_utf16 = g_utf8_to_utf16 (filename, -1, NULL, NULL, error);
@@ -2654,24 +2703,6 @@ set_mtime_atime (const char *filename,
return res;
}
#elif defined (HAVE_UTIMES) || defined (HAVE_UTIMENSAT)
static int
lazy_stat (char *filename,
struct stat *statbuf,
gboolean *called_stat)
{
int res;
if (*called_stat)
return 0;
res = g_stat (filename, statbuf);
if (res == 0)
*called_stat = TRUE;
return res;
}
static gboolean
set_mtime_atime (char *filename,
const GFileAttributeValue *mtime_value,
@@ -2684,7 +2715,7 @@ set_mtime_atime (char *filename,
{
int res;
guint64 val = 0;
struct stat statbuf;
GStatBuf statbuf;
gboolean got_stat = FALSE;
#ifdef HAVE_UTIMENSAT
struct timespec times_n[2] = { {0, 0}, {0, 0} };