diff options
Diffstat (limited to '')
| -rw-r--r-- | src/sock.c | 21 |
1 files changed, 20 insertions, 1 deletions
@@ -1,4 +1,4 @@ -/* $Id: sock.c,v 1.3 2000-09-11 23:56:32 rjkaes Exp $ +/* $Id: sock.c,v 1.4 2001-05-23 18:01:23 rjkaes Exp $ * * Sockets are created and destroyed here. When a new connection comes in from * a client, we need to copy the socket and the create a second socket to the @@ -59,6 +59,9 @@ int opensock(char *ip_addr, int port) struct sockaddr_in port_info; int ret; + assert(ip_addr != NULL); + assert(port > 0); + memset((SA *) &port_info, 0, sizeof(port_info)); port_info.sin_family = AF_INET; @@ -98,6 +101,8 @@ int socket_nonblocking(int sock) { int flags; + assert(sock >= 0); + flags = fcntl(sock, F_GETFL, 0); return fcntl(sock, F_SETFL, flags | O_NONBLOCK); } @@ -109,6 +114,8 @@ int socket_blocking(int sock) { int flags; + assert(sock >= 0); + flags = fcntl(sock, F_GETFL, 0); return fcntl(sock, F_SETFL, flags & ~O_NONBLOCK); } @@ -125,6 +132,9 @@ int listen_sock(unsigned int port, socklen_t *addrlen) const int on = 1; struct sockaddr_in addr; + assert(port > 0); + assert(addrlen != NULL); + listenfd = socket(AF_INET, SOCK_STREAM, 0); setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)); @@ -156,6 +166,9 @@ char *getpeer_ip(int fd, char *ipaddr) struct sockaddr_in name; int namelen = sizeof(name); + assert(fd >= 0); + assert(ipaddr != NULL); + if (getpeername(fd, (struct sockaddr *) &name, &namelen) != 0) { log(LOG_ERR, "Connect: 'could not get peer name'"); } else { @@ -177,6 +190,9 @@ char *getpeer_string(int fd, char *string) int namelen = sizeof(name); struct hostent *peername; + assert(fd >= 0); + assert(string != NULL); + if (getpeername(fd, (struct sockaddr *) &name, &namelen) != 0) { log(LOG_ERR, "Connect: 'could not get peer name'"); } else { @@ -198,6 +214,9 @@ ssize_t readline(int fd, void *vptr, size_t maxlen) ssize_t n, rc; char c, *ptr; + assert(fd >= 0); + assert(vptr != NULL); + ptr = vptr; for (n = 1; n < maxlen; n++) { again: |