C++ (Cpp) dumpiov Examples

Example #1

File: syscall.c Project: bigzz/strace_android

static void
dumpio(struct tcb *tcp)
{
	int (*func)();

	if (syserror(tcp))
		return;
	if ((unsigned long) tcp->u_arg[0] >= num_quals)
		return;
	func = tcp->s_ent->sys_func;
	if (func == printargs)
		return;
	if (qual_flags[tcp->u_arg[0]] & QUAL_READ) {
		if (func == sys_read ||
		    func == sys_pread ||
		    func == sys_recv ||
		    func == sys_recvfrom) {
			dumpstr(tcp, tcp->u_arg[1], tcp->u_rval);
			return;
		} else if (func == sys_readv) {
			dumpiov(tcp, tcp->u_arg[2], tcp->u_arg[1]);
			return;
#if HAVE_SENDMSG
		} else if (func == sys_recvmsg) {
			dumpiov_in_msghdr(tcp, tcp->u_arg[1]);
			return;
		} else if (func == sys_recvmmsg) {
			dumpiov_in_mmsghdr(tcp, tcp->u_arg[1]);
			return;
#endif
		}
	}
	if (qual_flags[tcp->u_arg[0]] & QUAL_WRITE) {
		if (func == sys_write ||
		    func == sys_pwrite ||
		    func == sys_send ||
		    func == sys_sendto)
			dumpstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
		else if (func == sys_writev)
			dumpiov(tcp, tcp->u_arg[2], tcp->u_arg[1]);
#if HAVE_SENDMSG
		else if (func == sys_sendmsg)
			dumpiov_in_msghdr(tcp, tcp->u_arg[1]);
		else if (func == sys_sendmmsg)
			dumpiov_in_mmsghdr(tcp, tcp->u_arg[1]);
#endif
	}
}

Example #2

File: net.c Project: 3125788/platform_external_strace

void
dumpiov_in_msghdr(struct tcb *tcp, long addr)
{
	struct msghdr msg;

	if (extractmsghdr(tcp, addr, &msg))
		dumpiov(tcp, msg.msg_iovlen, (long)msg.msg_iov);
}

Example #3

File: net.c Project: 3125788/platform_external_strace

void
dumpiov_in_mmsghdr(struct tcb *tcp, long addr)
{
	unsigned int len = tcp->u_rval;
	unsigned int i;
	struct mmsghdr mmsg;

	for (i = 0; i < len; ++i) {
		if (extractmmsghdr(tcp, addr, i, &mmsg)) {
			tprintf(" = %lu buffers in vector %u\n",
				(unsigned long)mmsg.msg_hdr.msg_iovlen, i);
			dumpiov(tcp, mmsg.msg_hdr.msg_iovlen,
				(long)mmsg.msg_hdr.msg_iov);
		}
	}
}