dns response handling: don't treat too many addresses as an error

[musl] / src / fcntl / openat.c

diff --git a/src/fcntl/openat.c b/src/fcntl/openat.c
index bdecb8c..83a9e0d 100644 (file)
--- a/src/fcntl/openat.c
+++ b/src/fcntl/openat.c
@@ -1,17 +1,17 @@
 #include <fcntl.h>
-#include <unistd.h>
 #include <stdarg.h>
 #include "syscall.h"
-#include "libc.h"
 
 int openat(int fd, const char *filename, int flags, ...)
 {
-       mode_t mode;
-       va_list ap;
-       va_start(ap, flags);
-       mode = va_arg(ap, mode_t);
-       va_end(ap);
+       mode_t mode = 0;
+
+       if ((flags & O_CREAT) || (flags & O_TMPFILE) == O_TMPFILE) {
+               va_list ap;
+               va_start(ap, flags);
+               mode = va_arg(ap, mode_t);
+               va_end(ap);
+       }
+
        return syscall_cp(SYS_openat, fd, filename, flags|O_LARGEFILE, mode);
 }
-
-LFS64(openat);