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-rw-r--r--libc-top-half/musl/src/unistd/readlinkat.c14
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);
+}