Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/libc-top-half/musl/src/unistd/readlinkat.c b/libc-top-half/musl/src/unistd/readlinkat.c
new file mode 100644
index 0000000..f79d3d1
--- /dev/null
+++ b/libc-top-half/musl/src/unistd/readlinkat.c
@@ -0,0 +1,14 @@
+#include <unistd.h>
+#include "syscall.h"
+
+ssize_t readlinkat(int fd, const char *restrict path, char *restrict buf, size_t bufsize)
+{
+	char dummy[1];
+	if (!bufsize) {
+		buf = dummy;
+		bufsize = 1;
+	}
+	int r = __syscall(SYS_readlinkat, fd, path, buf, bufsize);
+	if (buf == dummy && r > 0) r = 0;
+	return __syscall_ret(r);
+}