X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=src%2Funistd%2Ffchown.c;h=737b3672fcce506ec079ca819b2e91bd9eb872a9;hb=3aba2150d0efc80df30d7fc6c22d6041e14d445e;hp=6050b77417c2c896f7bab5fe49f69c5a3a79015a;hpb=2cdfb7ca26f46f151afbc23d5d94fc68597137f5;p=musl

diff --git a/src/unistd/fchown.c b/src/unistd/fchown.c
index 6050b774..737b3672 100644
--- a/src/unistd/fchown.c
+++ b/src/unistd/fchown.c
@@ -1,7 +1,20 @@
 #include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
 #include "syscall.h"
 
 int fchown(int fd, uid_t uid, gid_t gid)
 {
-	return syscall3(__NR_fchown, fd, uid, gid);
+	int ret = __syscall(SYS_fchown, fd, uid, gid);
+	if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0)
+		return __syscall_ret(ret);
+
+	char buf[15+3*sizeof(int)];
+	__procfdname(buf, fd);
+#ifdef SYS_chown
+	return syscall(SYS_chown, buf, uid, gid);
+#else
+	return syscall(SYS_fchownat, AT_FDCWD, buf, uid, gid, 0);
+#endif
+
 }