Function unlink_noerr

ccan/ccan/noerr/noerr.c:33–44

}

int unlink_noerr(const char *pathname)
{
	int saved_errno = errno, ret;

	if (unlink(pathname) != 0)
		ret = errno;
	else
		ret = 0;

	errno = saved_errno;
	return ret;
}

void free_noerr(void *p)
{