fix dup3 ignoring all flags but O_CLOEXEC on archs with SYS_dup2 syscall

[musl] / src / stdio / tmpnam.c

diff --git a/src/stdio/tmpnam.c b/src/stdio/tmpnam.c
index 6c7c253..71dc8bb 100644 (file)
--- a/src/stdio/tmpnam.c
+++ b/src/stdio/tmpnam.c
@@ -16,11 +16,10 @@ char *tmpnam(char *buf)
        int r;
        for (try=0; try<MAXTRIES; try++) {
                __randname(s+12);
-#ifdef SYS_lstat
-               r = __syscall(SYS_lstat, s, &(struct stat){0});
+#ifdef SYS_readlink
+               r = __syscall(SYS_readlink, s, (char[1]){0}, 1);
 #else
-               r = __syscall(SYS_fstatat, AT_FDCWD, s,
-                       &(struct stat){0}, AT_SYMLINK_NOFOLLOW);
+               r = __syscall(SYS_readlinkat, AT_FDCWD, s, (char[1]){0}, 1);
 #endif
                if (r == -ENOENT) return strcpy(buf ? buf : internal, s);
        }