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-rw-r--r--src/stat/utimensat.c32
1 files changed, 31 insertions, 1 deletions
diff --git a/src/stat/utimensat.c b/src/stat/utimensat.c
index 929698bc..159c8be3 100644
--- a/src/stat/utimensat.c
+++ b/src/stat/utimensat.c
@@ -1,7 +1,37 @@
 #include <sys/stat.h>
+#include <sys/time.h>
+#include <fcntl.h>
+#include <errno.h>
 #include "syscall.h"
 
 int utimensat(int fd, const char *path, const struct timespec times[2], int flags)
 {
-	return syscall(SYS_utimensat, fd, path, times, flags);
+	int r = __syscall(SYS_utimensat, fd, path, times, flags);
+#ifdef SYS_futimesat
+	if (r != -ENOSYS || flags) return __syscall_ret(r);
+	struct timeval *tv = 0, tmp[2];
+	if (times) {
+		int i;
+		tv = tmp;
+		for (i=0; i<2; i++) {
+			if (times[i].tv_nsec >= 1000000000ULL) {
+				if (times[i].tv_nsec == UTIME_NOW &&
+				    times[1-i].tv_nsec == UTIME_NOW) {
+					tv = 0;
+					break;
+				}
+				if (times[i].tv_nsec == UTIME_OMIT)
+					return __syscall_ret(-ENOSYS);
+				return __syscall_ret(-EINVAL);
+			}
+			tmp[i].tv_sec = times[i].tv_sec;
+			tmp[i].tv_usec = times[i].tv_nsec / 1000;
+		}
+	}
+
+	r = __syscall(SYS_futimesat, fd, path, tv);
+	if (r != -ENOSYS || fd != AT_FDCWD) return __syscall_ret(r);
+	r = __syscall(SYS_utimes, path, tv);
+#endif
+	return __syscall_ret(r);
 }