[RFC PATCH 14/38] utimes: prefer utimesat syscall
Jonas Bonn
jonas at southpole.se
Tue Sep 6 08:30:38 UTC 2011
Signed-off-by: Jonas Bonn <jonas at southpole.se>
---
libc/sysdeps/linux/common/utimes.c | 21 ++++++++++++++++++++-
1 files changed, 20 insertions(+), 1 deletions(-)
diff --git a/libc/sysdeps/linux/common/utimes.c b/libc/sysdeps/linux/common/utimes.c
index 99d9202..57cdc60 100644
--- a/libc/sysdeps/linux/common/utimes.c
+++ b/libc/sysdeps/linux/common/utimes.c
@@ -10,9 +10,28 @@
#include <sys/syscall.h>
#include <utime.h>
#include <sys/time.h>
+#include <fcntl.h>
+#include <stddef.h>
+#ifdef __NR_utimensat
+int utimes(const char* file, const struct timeval tvp[2])
+{
+ struct timespec ts[2], *times;
+
+ if (tvp) {
+ times = ts;
+ times[0].tv_sec = tvp[0].tv_sec;
+ times[0].tv_nsec = tvp[0].tv_usec * 1000;
+ times[1].tv_sec = tvp[1].tv_sec;
+ times[1].tv_nsec = tvp[1].tv_usec * 1000;
+ } else {
+ times = NULL;
+ }
+
+ return utimensat(AT_FDCWD, file, times, 0);
+}
-#ifdef __NR_utimes
+#elif defined __NR_utimes
_syscall2(int, utimes, const char *, file, const struct timeval *, tvp)
#else
#include <stdlib.h>
--
1.7.5.4
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