[PATCH 1/2 fixed] mingw_utime(): handle NULL times parameter

From: Johannes Sixt <j.sixt@viscovery.net>
Date: Jul 1, 2010, 12:16 UTC
Message-ID: <4C2C8718.5080203@viscovery.net>
In-Reply-To: <1277982466-29601-1-git-send-email-szeder@ira.uka.de>

From: SZEDER Gábor <szeder@ira.uka.de>

POSIX sayeth:

  "If times is a null pointer, the access and modification
   times of the file shall be set to the current time."

Let's do so.

Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
---
 >> Mental note: update mingw_utime to accept NULL for the second
 >> parameter...
 > 
 > Here it is, but I don't have mingw, so it's completely untested.

 Thanks. Here is a version that compiles; the interdiff is

 @@ -309,8 +309,7 @@
                 time_t_to_filetime(times->actime, &aft);
         } else {
                 GetSystemTimeAsFileTime(&mft);
 -               aft->dwLowDateTime = mft->dwLowDateTime;
 -               aft->dwHighDateTime = mft->dwHighDateTime;
 +               aft = mft;
         }
         if (!SetFileTime((HANDLE)_get_osfhandle(fh), NULL, &aft, &mft)) {
                 errno = EINVAL;

 With this, the series passes the test suite on MinGW.

 -- Hannes

 compat/mingw.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/compat/mingw.c b/compat/mingw.c
index 0722a6d..b6f0a7f 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -304,8 +304,13 @@ int mingw_utime (const char *file_name, const struct utimbuf *times)
 		goto revert_attrs;
 	}
 
-	time_t_to_filetime(times->modtime, &mft);
-	time_t_to_filetime(times->actime, &aft);
+	if (times) {
+		time_t_to_filetime(times->modtime, &mft);
+		time_t_to_filetime(times->actime, &aft);
+	} else {
+		GetSystemTimeAsFileTime(&mft);
+		aft = mft;
+	}
 	if (!SetFileTime((HANDLE)_get_osfhandle(fh), NULL, &aft, &mft)) {
 		errno = EINVAL;
 		rc = -1;

-- 
1.7.2.rc1.1057.g1270