cuserid: support invocation with a null pointer argument

[musl.git] / src / unistd / renameat.c

#include <stdio.h>
#include "syscall.h"

int renameat(int oldfd, const char *old, int newfd, const char *new)
{
#ifdef SYS_renameat
        return syscall(SYS_renameat, oldfd, old, newfd, new);
#else
        return syscall(SYS_renameat2, oldfd, old, newfd, new, 0);
#endif
}