applied Martin Kopta's splint patch
This commit is contained in:
Anselm R Garbe
parent
b3ed5f414f
commit
4a4f924fee
122
sic.c
122
sic.c
@ -13,6 +13,9 @@
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#define PINGTIMEOUT 300
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#define MAXMSG 4096
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#ifndef VERSION
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#define VERSION "dev"
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#endif
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static void die(const char *errstr, ...);
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static void printl(char *channel, char *msg);
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@ -23,7 +26,6 @@ static int readl(int fd, unsigned int len, char *buf);
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static char *host = "irc6.oftc.net";
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static char *port = "6667";
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static char *password = NULL;
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static char nick[32];
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static char bufin[MAXMSG], bufout[MAXMSG];
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@ -34,9 +36,8 @@ static time_t trespond;
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void
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die(const char *errstr, ...) {
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va_list ap;
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va_start(ap, errstr);
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vfprintf(stderr, errstr, ap);
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(void) vfprintf(stderr, errstr, ap);
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va_end(ap);
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exit(EXIT_FAILURE);
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}
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@ -45,48 +46,46 @@ void
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printl(char *channel, char *msg) {
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static char timestr[18];
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time_t t = time(0);
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strftime(timestr, sizeof timestr, "%D %R", localtime(&t));
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(void) strftime(timestr, sizeof timestr, "%D %R", localtime(&t));
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fprintf(stdout, "%-12.12s: %s %s\n", channel, timestr, msg);
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}
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void
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privmsg(char *channel, char *msg) {
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if(channel[0] == 0)
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if(channel[0] == '\0')
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return;
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snprintf(bufout, sizeof bufout, "<%s> %s", nick, msg);
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(void) snprintf(bufout, sizeof bufout, "<%s> %s", nick, msg);
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printl(channel, bufout);
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snprintf(bufout, sizeof bufout, "PRIVMSG %s :%s\r\n", channel, msg);
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write(srv, bufout, strlen(bufout));
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(void) snprintf(bufout, sizeof bufout, "PRIVMSG %s :%s\r\n", channel, msg);
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(void) write(srv, bufout, strlen(bufout));
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}
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void
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parsein(char *msg) {
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char *p;
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if(msg[0] == 0)
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char *p = NULL;
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if(msg[0] == '\0')
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return;
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if(msg[0] != ':') {
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privmsg(channel, msg);
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return;
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}
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if(!strncmp(msg + 1, "j ", 2) && (msg[3] == '#'))
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snprintf(bufout, sizeof bufout, "JOIN %s\r\n", msg + 3);
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else if(!strncmp(msg + 1, "l ", 2))
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snprintf(bufout, sizeof bufout, "PART %s :sic - 250 LOC are too much!\r\n", msg + 3);
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else if(!strncmp(msg + 1, "m ", 2)) {
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if(strncmp(msg + 1, "j ", 2) == 0 && (msg[3] == '#'))
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(void) snprintf(bufout, sizeof bufout, "JOIN %s\r\n", msg + 3);
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else if(strncmp(msg + 1, "l ", 2) == 0)
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(void) snprintf(bufout, sizeof bufout, "PART %s :sic - 250 LOC are too much!\r\n", msg + 3);
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else if(strncmp(msg + 1, "m ", 2) == 0) {
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if((p = strchr(msg + 3, ' ')))
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*(p++) = 0;
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*(p++) = '\0';
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privmsg(msg + 3, p);
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return;
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}
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else if(!strncmp(msg + 1, "s ", 2)) {
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else if(strncmp(msg + 1, "s ", 2) == 0) {
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strncpy(channel, msg + 3, sizeof channel);
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return;
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}
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else
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snprintf(bufout, sizeof bufout, "%s\r\n", msg + 1);
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write(srv, bufout, strlen(bufout));
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(void) snprintf(bufout, sizeof bufout, "%s\r\n", msg + 1);
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(void) write(srv, bufout, strlen(bufout));
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}
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void
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@ -95,90 +94,95 @@ parsesrv(char *msg) {
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txt = NULL;
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usr = host;
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if(!msg || !(*msg))
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if(msg == NULL || *msg == '\0' )
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return;
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if(msg[0] != ':')
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cmd = msg;
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else {
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if(!(p = strchr(msg, ' ')))
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return;
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*p = 0;
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*p = '\0';
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usr = msg + 1;
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cmd = ++p;
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if((p = strchr(usr, '!')))
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*p = 0;
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*p = '\0';
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}
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for(p = cmd; *p; p++) /* remove CRLFs */
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for(p = cmd; *p != '\0'; p++) /* remove CRLFs */
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if(*p == '\r' || *p == '\n')
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*p = 0;
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*p = '\0';
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if((p = strchr(cmd, ':'))) {
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*p = 0;
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*p = '\0';
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txt = ++p;
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}
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if(!strncmp("PONG", cmd, 4))
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if(strncmp("PONG", cmd, 4) == 0)
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return;
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if(!strncmp("PRIVMSG", cmd, 7) && txt) {
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if(strncmp("PRIVMSG", cmd, 7) == 0 && txt != NULL) {
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if(!(p = strchr(cmd, ' ')))
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return;
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*p = 0;
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*p = '\0';
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chan = ++p;
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for(; *p && *p != ' '; p++);
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*p = 0;
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snprintf(bufout, sizeof bufout, "<%s> %s", usr, txt);
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for(; *p != '\0' && *p != ' '; p++);
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*p = '\0';
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(void) snprintf(bufout, sizeof bufout, "<%s> %s", usr, txt);
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printl(chan, bufout);
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}
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else if(!strncmp("PING", cmd, 4) && txt) {
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snprintf(bufout, sizeof bufout, "PONG %s\r\n", txt);
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write(srv, bufout, strlen(bufout));
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else if(strncmp("PING", cmd, 4) == 0 && txt != NULL) {
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(void) snprintf(bufout, sizeof bufout, "PONG %s\r\n", txt);
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(void) write(srv, bufout, strlen(bufout));
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}
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else {
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snprintf(bufout, sizeof bufout, ">< %s: %s", cmd, txt ? txt : "");
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if (txt != NULL)
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(void) snprintf(bufout, sizeof bufout, ">< %s: %s", cmd, txt);
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else
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(void) snprintf(bufout, sizeof bufout, ">< %s: ", cmd);
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printl(usr, bufout);
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if(!strncmp("NICK", cmd, 4) && !strncmp(usr, nick, sizeof nick) && txt)
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strncpy(nick, txt, sizeof nick);
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if(strncmp("NICK", cmd, 4) == 0 && strncmp(usr, nick, sizeof nick) == 0 &&
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txt != NULL)
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(void) strncpy(nick, txt, sizeof nick);
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}
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}
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int
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readl(int fd, unsigned int len, char *buf) {
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unsigned int i = 0;
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char c;
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char c = '\0';
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do {
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if(read(fd, &c, sizeof(char)) != sizeof(char))
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if(read(fd, &c, sizeof(char)) != (ssize_t) sizeof(char))
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return -1;
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buf[i++] = c;
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}
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while(c != '\n' && i < len);
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buf[i - 1] = 0;
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buf[i - 1] = '\0';
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return 0;
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}
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int
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main(int argc, char *argv[]) {
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main(const int argc, char *const argv[]) {
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int i;
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struct timeval tv;
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static struct addrinfo hints, *res, *r;
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char ping[256];
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fd_set rd;
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char *password = NULL;
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strncpy(nick, getenv("USER"), sizeof nick);
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for(i = 1; i < argc; i++)
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if(!strncmp(argv[i], "-h", 3)) {
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if(strncmp(argv[i], "-h", 3) == 0) {
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if(++i < argc) host = argv[i];
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}
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else if(!strncmp(argv[i], "-p", 3)) {
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else if(strncmp(argv[i], "-p", 3) == 0) {
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if(++i < argc) port = argv[i];
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}
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else if(!strncmp(argv[i], "-n", 3)) {
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else if(strncmp(argv[i], "-n", 3) == 0) {
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if(++i < argc) strncpy(nick, argv[i], sizeof nick);
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}
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else if(!strncmp(argv[i], "-k", 3)) {
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else if(strncmp(argv[i], "-k", 3) == 0) {
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if(++i < argc) password = argv[i];
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}
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else if(!strncmp(argv[i], "-v", 3))
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die("sic-"VERSION", © 2005-2009 sic engineers\n");
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else if(strncmp(argv[i], "-v", 3) == 0)
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die("sic-%s, © 2005-2009 sic engineers\n", VERSION);
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else
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die("usage: sic [-h host] [-p port] [-n nick] [-k keyword] [-v]\n");
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@ -193,7 +197,7 @@ main(int argc, char *argv[]) {
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continue;
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if(connect(srv, r->ai_addr, r->ai_addrlen) == 0)
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break;
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close(srv);
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(void) close(srv);
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}
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freeaddrinfo(res);
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if(!r)
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@ -201,15 +205,15 @@ main(int argc, char *argv[]) {
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/* login */
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if (password)
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snprintf(bufout, sizeof bufout,
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(void) snprintf(bufout, sizeof bufout,
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"PASS %s\r\nNICK %s\r\nUSER %s localhost %s :%s\r\n",
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password, nick, nick, host, nick);
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else
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snprintf(bufout, sizeof bufout, "NICK %s\r\nUSER %s localhost %s :%s\r\n",
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(void) snprintf(bufout, sizeof bufout, "NICK %s\r\nUSER %s localhost %s :%s\r\n",
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nick, nick, host, nick);
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write(srv, bufout, strlen(bufout));
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snprintf(ping, sizeof ping, "PING %s\r\n", host);
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channel[0] = 0;
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(void) write(srv, bufout, strlen(bufout));
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(void) snprintf(ping, sizeof ping, "PING %s\r\n", host);
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channel[0] = '\0';
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setbuf(stdout, NULL); /* unbuffered stdout */
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for(;;) { /* main loop */
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@ -227,17 +231,17 @@ main(int argc, char *argv[]) {
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else if(i == 0) {
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if(time(NULL) - trespond >= PINGTIMEOUT)
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die("error: sic shutting down: parse timeout\n");
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write(srv, ping, strlen(ping));
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(void) write(srv, ping, strlen(ping));
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continue;
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}
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if(FD_ISSET(srv, &rd)) {
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if(FD_ISSET(srv, &rd) != 0) {
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if(readl(srv, sizeof bufin, bufin) == -1)
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die("error: remote host closed connection\n");
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parsesrv(bufin);
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trespond = time(NULL);
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}
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if(FD_ISSET(0, &rd)) {
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if(readl(0, sizeof bufin, bufin) == -1)
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if(FD_ISSET(0, &rd) != 0) {
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if(readl(0, (unsigned int) sizeof bufin, bufin) == -1)
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die("error: broken pipe\n");
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parsein(bufin);
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}
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