xref: /aosp_15_r20/external/musl/src/fcntl/openat.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 
openat(int fd,const char * filename,int flags,...)5*c9945492SAndroid Build Coastguard Worker int openat(int fd, 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 	return syscall_cp(SYS_openat, fd, filename, flags|O_LARGEFILE, mode);
17*c9945492SAndroid Build Coastguard Worker }
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