[PATCH] ntdll: Fake success if changing system date is a no-op
Bruno Jesus
00cpxxx at gmail.com
Sun Jan 22 11:14:25 CST 2017
Will solve time changing problems in programs where the computer is already in sync.
Related to https://bugs.winehq.org/show_bug.cgi?id=42274
Signed-off-by: Bruno Jesus <00cpxxx at gmail.com>
---
dlls/ntdll/time.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/dlls/ntdll/time.c b/dlls/ntdll/time.c
index 96ffcfa..d232c4c 100644
--- a/dlls/ntdll/time.c
+++ b/dlls/ntdll/time.c
@@ -951,14 +951,21 @@ NTSTATUS WINAPI NtSetSystemTime(const LARGE_INTEGER *NewTime, LARGE_INTEGER *Old
RtlTimeToSecondsSince1970( NewTime, &sec );
+ /* fake success if time didn't change */
+ if (oldsec == sec)
+ return STATUS_SUCCESS;
+
/* set the new time */
tv.tv_sec = sec;
tv.tv_usec = 0;
#ifdef HAVE_SETTIMEOFDAY
+ tm_t = sec;
if (!settimeofday(&tv, NULL)) /* 0 is OK, -1 is error */
+ {
+ TRACE("OS time changed to %s\n", ctime(&tm_t));
return STATUS_SUCCESS;
- tm_t = sec;
+ }
ERR("Cannot set time to %s, time adjustment %ld: %s\n",
ctime(&tm_t), (long)(sec-oldsec), strerror(errno));
if (errno == EPERM)
--
2.9.3
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