From ecb12efc5ce737532402167679c0f7ffb22c495b Mon Sep 17 00:00:00 2001
From: epochqwert <epoch@53flpnlls43fcguy.onion>
Date: Sun, 8 Mar 2015 07:18:38 -0500
Subject: fixed support of optional : before channel name when parsing JOIN
 messages from server.

---
 libirc/examples/link.c |   4 +-
 libirc/libirc.c        | 107 +++++--------------------------------------------
 segfault.c             |   2 +-
 3 files changed, 12 insertions(+), 101 deletions(-)

diff --git a/libirc/examples/link.c b/libirc/examples/link.c
index 5c13e94..0c9e7dd 100644
--- a/libirc/examples/link.c
+++ b/libirc/examples/link.c
@@ -91,7 +91,7 @@ void line_handler(int fd,char *line) {//this should be built into the libary?
  }
  if(s && user->nick && t) {
   if(!strcmp(s,"JOIN")) {
-   snprintf(tmp,sizeof(tmp)-1,"%cACTION %s has joined %s%c",1,user->nick,t+1,1);
+   snprintf(tmp,sizeof(tmp)-1,"%cACTION %s has joined %s%c",1,user->nick,t+(*t==':'),1);
    privmsg_others(fd,tmp);
    //send a join message to the other end.
   }
@@ -116,7 +116,7 @@ int main(int argc,char *argv[]) {
   printf("%d server: %s port: %s channel: %s\n",i,argv[(i*3)+1],argv[(i*3)+2],argv[(i*3)+3]);
   fds[i]=serverConnect(argv[(i*3)+1],argv[(i*3)+2]);
   chans[i]=strdup(argv[(i*3)+3]);
-  mywrite(fds[i],"NICK link\r\nUSER a b c :d\r\n");
+  mywrite(fds[i],"NICK link8239\r\nUSER a b c :d\r\n");
  }
  fds[i]=-1;
  //heh. you can write your own code for picking a different nick per server. fuck you.
diff --git a/libirc/libirc.c b/libirc/libirc.c
index 7968f76..fad958d 100644
--- a/libirc/libirc.c
+++ b/libirc/libirc.c
@@ -37,101 +37,6 @@ int serverConnect(char *serv,char *port) {
  return p?fd:0;
 }
 
-int runit(int fd,void (*line_handler)(),void (*extra_handler)()) {
- fd_set master;
- fd_set readfs;
- struct timeval timeout;
- int fdmax,n,s,i;
- char *backlog=malloc(CHUNK+1);
- char *t,*line=0;
- int blsize=CHUNK;
- int bllen=0;
- char buffer[CHUNK];//THIS IS *NOT* NULL TERMINATED.
- if(!backlog) return 252;
- FD_ZERO(&master);
- FD_ZERO(&readfs);
- FD_SET(fd,&master);
- fdmax=fd;
- memset(backlog,0,CHUNK);
- memset(buffer,0,CHUNK);
- if(fd) {
-  int done=0;
-  while(!done) {
-   extra_handler(fd);
-   readfs=master;
-   timeout.tv_sec=0;
-   timeout.tv_usec=1000;
-   if( select(fdmax+1,&readfs,0,0,&timeout) == -1 ) {
-    printf("\n!!!It is crashing here!!!\n\n");
-    perror("select");
-    return 1;
-   }
-   if(FD_ISSET(fd,&readfs)) {
-    if((n=recv(fd,buffer,CHUNK,0)) <= 0) {//read CHUNK bytes
-     fprintf(stderr,"recv: %d\n",n);
-     perror("recv");
-     return 2;
-    } else {
-     buffer[n]=0;//deff right.
-     if(bllen+n >= blsize) {//this is probably off...
-      blsize+=n;
-      t=malloc(blsize);
-      if(!t) {
-       printf("OH FUCK! MALLOC FAILED!\n");
-       exit(253);
-      }
-      memset(t,0,blsize);//optional?
-      memcpy(t,backlog,blsize-n+1);//???
-      free(backlog);
-      backlog=t;
-     }
-     memcpy(backlog+bllen,buffer,n);
-     bllen+=n;
-     for(i=0,s=0;i<bllen;i++) {
-      if(backlog[i]=='\n') {
-       line=malloc(i-s+3);//on linux it crashes without the +1 +3? weird. when did I do that?
-       if(!line) {
-        printf("ANOTHER malloc error!\n");
-        exit(254);
-       }
-       memcpy(line,backlog+s,i-s+2);
-       line[i-s+1]=0;//gotta null terminate this. line_handler expects it.
-       s=i+1;//the character after the newline.
-       if(!strncmp(line,"PING",4)) {
-        t=malloc(strlen(line));
-        strcpy(t,"PONG ");
-        strcat(t,line+6);
-	write(fd,t,strlen(t));
-#ifdef DEBUG
-        printf("%s\nPONG %s\n",line,line+6);
-#endif
-       } else if(!strncmp(line,"ERROR",5)) {
-#ifdef DEBUG
-        printf("error: %s\n",line);
-#endif
-        return 0;
-       } else {
-        line_handler(fd,line);
-       }
-       free(line);
-      }
-     }
-     //left shift the backlog so the last thing we got to is at the start
-     if(s > bllen) { //if the ending position is after the size of the backlog...
-      bllen=0;//fuck shifting. :P
-     } else {
-      for(i=s;i<=bllen;i++) {//should work.
-       backlog[i-s]=backlog[i];
-      }
-      bllen-=s;
-     }
-    }
-   }
-  }
- }
- return 0;
-}
-
 //yeah. this is a copy of the previous function.
 //with a bit of different stuff. didn't want to break anything yet.
 int runem(int *fds,void (*line_handler)(),void (*extra_handler)()) {
@@ -165,7 +70,7 @@ int runem(int *fds,void (*line_handler)(),void (*extra_handler)()) {
   timeout.tv_sec=0;
   timeout.tv_usec=1000;
   if( select(fdmax+1,&readfs,0,0,&timeout) == -1 ) {
-   printf("\n!!!It is rashing here!!!\n\n");
+   printf("\n!!!It is crashing here!!!\n\n");
    perror("select");
    return 1;
   }
@@ -206,8 +111,6 @@ int runem(int *fds,void (*line_handler)(),void (*extra_handler)()) {
         strcpy(t,"PONG ");
         strcat(t,line+6);
         write(fd,t,strlen(t));
-        //fprintf(fp,"PONG %s",line+6);//a whole FILE * and fdopen JUST for this??? oy...
-        //fflush(fp);
  #ifdef DEBUG
         printf("%s\nPONG %s\n",line,line+6);
         write(fd,"PRIVMSG %s :PONG! w00t!\r\n",DEBUG,28);
@@ -239,6 +142,14 @@ int runem(int *fds,void (*line_handler)(),void (*extra_handler)()) {
  return 0;
 }
 
+//wrap runem to keep runit around :P
+int runit(int fd,void (*line_handler)(),void (*extra_handler)()) {
+ int fds[2];
+ fds[0]=fd;
+ fds[1]=-1;
+ runem(fds,line_handler,extra_handler);
+}
+
 //not needed?
 int ircConnect(char *serv,char *port,char *nick,char *user) {
  char sendstr[1024];
diff --git a/segfault.c b/segfault.c
index 2706543..8013e0b 100644
--- a/segfault.c
+++ b/segfault.c
@@ -1129,7 +1129,7 @@ void line_handler(int fd,char *line) {//this should be built into the libary?
  }
  if(s && user->nick && t) {
   if(!strcmp(s,"JOIN")) {
-   irc_mode(fd,t+1,"+o",user->nick);//why t+1? it starts with :?
+   irc_mode(fd,t+(*t==':'),"+o",user->nick);//sometimes t will start with a : This check should go into the parser up there.
   }
   if(!strcmp(s,"MODE") && mode_magic) {
    if(u) {
-- 
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