guard against compilers failing to handle setjmp specially by default
[musl.git] / src / fcntl / open.c
blob1d817a2d6c485b24571ffb422fba520705932517
1 #include <fcntl.h>
2 #include <stdarg.h>
3 #include "syscall.h"
5 int open(const char *filename, int flags, ...)
7 mode_t mode = 0;
9 if ((flags & O_CREAT) || (flags & O_TMPFILE) == O_TMPFILE) {
10 va_list ap;
11 va_start(ap, flags);
12 mode = va_arg(ap, mode_t);
13 va_end(ap);
16 int fd = __sys_open_cp(filename, flags, mode);
17 if (fd>=0 && (flags & O_CLOEXEC))
18 __syscall(SYS_fcntl, fd, F_SETFD, FD_CLOEXEC);
20 return __syscall_ret(fd);
23 weak_alias(open, open64);