1 files changed, 36 insertions, 0 deletions
diff --git a/usr/klibc/fstatat.c b/usr/klibc/fstatat.c
new file mode 100644
index 0000000..12b5093
--- /dev/null
+++ b/usr/klibc/fstatat.c
@@ -0,0 +1,36 @@
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/syscall.h>
+
+static void timespec_from_statx(struct timespec *ts,
+				const struct statx_timestamp *xts)
+{
+	ts->tv_sec = xts->tv_sec;
+	ts->tv_nsec = xts->tv_nsec;
+}
+
+int fstatat(int dirfd, const char *path, struct stat *buf, int flags)
+{
+	struct statx xbuf;
+
+	if (statx(dirfd, path, flags | AT_NO_AUTOMOUNT, STATX_BASIC_STATS,
+		  &xbuf))
+		return -1;
+
+	buf->st_dev = makedev(xbuf.stx_dev_major, xbuf.stx_dev_minor);
+	buf->st_ino = xbuf.stx_ino;
+	buf->st_nlink = xbuf.stx_nlink;
+	buf->st_mode = xbuf.stx_mode;
+	buf->st_uid = xbuf.stx_uid;
+	buf->st_gid = xbuf.stx_gid;
+	buf->st_rdev = makedev(xbuf.stx_rdev_major, xbuf.stx_rdev_minor);
+	buf->st_size = xbuf.stx_size;
+	buf->st_blksize = xbuf.stx_blksize;
+	buf->st_blocks = xbuf.stx_blocks;
+	timespec_from_statx(&buf->st_atim, &xbuf.stx_atime);
+	timespec_from_statx(&buf->st_ctim, &xbuf.stx_ctime);
+	timespec_from_statx(&buf->st_mtim, &xbuf.stx_mtime);
+	return 0;
+}