xref: /aosp_15_r20/external/musl/src/fcntl/open.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker #include <fcntl.h>
2*c9945492SAndroid Build Coastguard Worker #include <stdarg.h>
3*c9945492SAndroid Build Coastguard Worker #include "syscall.h"
4*c9945492SAndroid Build Coastguard Worker 
open(const char * filename,int flags,...)5*c9945492SAndroid Build Coastguard Worker int open(const char *filename, int flags, ...)
6*c9945492SAndroid Build Coastguard Worker {
7*c9945492SAndroid Build Coastguard Worker 	mode_t mode = 0;
8*c9945492SAndroid Build Coastguard Worker 
9*c9945492SAndroid Build Coastguard Worker 	if ((flags & O_CREAT) || (flags & O_TMPFILE) == O_TMPFILE) {
10*c9945492SAndroid Build Coastguard Worker 		va_list ap;
11*c9945492SAndroid Build Coastguard Worker 		va_start(ap, flags);
12*c9945492SAndroid Build Coastguard Worker 		mode = va_arg(ap, mode_t);
13*c9945492SAndroid Build Coastguard Worker 		va_end(ap);
14*c9945492SAndroid Build Coastguard Worker 	}
15*c9945492SAndroid Build Coastguard Worker 
16*c9945492SAndroid Build Coastguard Worker 	int fd = __sys_open_cp(filename, flags, mode);
17*c9945492SAndroid Build Coastguard Worker 	if (fd>=0 && (flags & O_CLOEXEC))
18*c9945492SAndroid Build Coastguard Worker 		__syscall(SYS_fcntl, fd, F_SETFD, FD_CLOEXEC);
19*c9945492SAndroid Build Coastguard Worker 
20*c9945492SAndroid Build Coastguard Worker 	return __syscall_ret(fd);
21*c9945492SAndroid Build Coastguard Worker }
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