Add build system scaffolding and libc headers

1 files changed, 25 insertions, 0 deletions

diff --git a/lib/libc/time/utimes.c b/lib/libc/time/utimes.c
new file mode 100644
index 00000000..d6448c76
--- /dev/null
+++ b/lib/libc/time/utimes.c
@@ -0,0 +1,25 @@
+#include <fcntl.h>
+#include <errno.h>
+#include <stddef.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+
+int utimes(const char *path, const struct timeval times[2])
+{
+	struct timespec ts[2];
+
+	if (times) {
+		if (times[0].tv_usec >= 1000000ULL ||
+		    times[1].tv_usec >= 1000000ULL) {
+			errno = EINVAL;
+			return -1;
+		}
+
+		ts[0].tv_sec = times[0].tv_sec;
+		ts[0].tv_nsec = times[0].tv_usec * 1000;
+		ts[1].tv_sec = times[1].tv_sec;
+		ts[1].tv_nsec = times[1].tv_usec * 1000;
+	}
+
+	return utimensat(AT_FDCWD, path, times ? ts : NULL, 0);
+}