X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstat%2Ffchmodat.c;h=d94667aed5e1a4aa1e924bd89a8ba3aa3ec6aa16;hb=2fab90a71acd3698954c08b9062db67188443dd7;hp=c1410bc58d2fe311e9d5bc73e31fbf78951deead;hpb=0dc4824479e357a3e23a02d35527e23fca920343;p=musl

diff --git a/src/stat/fchmodat.c b/src/stat/fchmodat.c
index c1410bc5..d94667ae 100644
--- a/src/stat/fchmodat.c
+++ b/src/stat/fchmodat.c
@@ -1,9 +1,10 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <errno.h>
-#include <stdio.h>
 #include "syscall.h"
 
+void __procfdname(char *, unsigned);
+
 int fchmodat(int fd, const char *path, mode_t mode, int flag)
 {
 	if (!flag) return syscall(SYS_fchmodat, fd, path, mode, flag);
@@ -20,15 +21,18 @@ int fchmodat(int fd, const char *path, mode_t mode, int flag)
 	if (S_ISLNK(st.st_mode))
 		return __syscall_ret(-EOPNOTSUPP);
 
-	if ((fd2 = __syscall(SYS_openat, fd, path, O_RDONLY|O_PATH|O_NOFOLLOW|O_NOCTTY)) < 0) {
+	if ((fd2 = __syscall(SYS_openat, fd, path, O_RDONLY|O_PATH|O_NOFOLLOW|O_NOCTTY|O_CLOEXEC)) < 0) {
 		if (fd2 == -ELOOP)
 			return __syscall_ret(-EOPNOTSUPP);
 		return __syscall_ret(fd2);
 	}
 
-	snprintf(proc, sizeof proc, "/proc/self/fd/%d", fd2);
-	if (!(ret = __syscall(SYS_stat, proc, &st)) && !S_ISLNK(st.st_mode))
-		ret = __syscall(SYS_chmod, proc, mode);
+	__procfdname(proc, fd2);
+	ret = __syscall(SYS_fstatat, AT_FDCWD, proc, &st, 0);
+	if (!ret) {
+		if (S_ISLNK(st.st_mode)) ret = -EOPNOTSUPP;
+		else ret = __syscall(SYS_fchmodat, AT_FDCWD, proc, mode);
+	}
 
 	__syscall(SYS_close, fd2);
 	return __syscall_ret(ret);