ssize_t recvmsg(int fd, struct msghdr *msg, int flags) { ssize_t r; #if LONG_MAX > INT_MAX struct msghdr h, *orig = msg; if (msg) { h = *msg; h.__pad1 = h.__pad2 = 0; msg = &h; } #endif r = socketcall_cp(recvmsg, fd, msg, flags, 0, 0, 0); #if LONG_MAX > INT_MAX if (orig) *orig = h; #endif return r; }
ssize_t sendmsg(int fd, const struct msghdr *msg, int flags) { #if LONG_MAX > INT_MAX struct msghdr h; struct cmsghdr chbuf[1024/sizeof(struct cmsghdr)+1], *c; if (msg) { h = *msg; h.__pad1 = h.__pad2 = 0; msg = &h; if (h.msg_controllen) { if (h.msg_controllen > 1024) { errno = ENOMEM; return -1; } memcpy(chbuf, h.msg_control, h.msg_controllen); h.msg_control = chbuf; for (c=CMSG_FIRSTHDR(&h); c; c=CMSG_NXTHDR(&h,c)) c->__pad1 = 0; } } #endif return socketcall_cp(sendmsg, fd, msg, flags, 0, 0, 0); }
ssize_t recvfrom(int fd, void *buf, size_t len, int flags, struct sockaddr *addr, socklen_t *alen) { return socketcall_cp(recvfrom, fd, buf, len, flags, addr, alen); }
int accept(int fd, struct sockaddr *addr, socklen_t *len) { return socketcall_cp(accept, fd, addr, len, 0, 0, 0); }
int connect(int fd, const struct sockaddr *addr, socklen_t len) { return socketcall_cp(connect, fd, addr, len, 0, 0, 0); }