From 19c2749eb64171a25ac5a8fb8eab5f73c83bd7f2 Mon Sep 17 00:00:00 2001
From: epochqwert <epoch@53flpnlls43fcguy.onion>
Date: Wed, 4 Feb 2015 03:11:22 -0600
Subject: I don't remember.

---
 libirc/libirc.c | 110 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)

(limited to 'libirc/libirc.c')

diff --git a/libirc/libirc.c b/libirc/libirc.c
index 91ff357..0f6c837 100644
--- a/libirc/libirc.c
+++ b/libirc/libirc.c
@@ -137,6 +137,116 @@ int runit(int fd,void (*line_handler)(),void (*extra_handler)()) {
  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 *fd,void (*line_handler)(),void (*extra_handler)()) {
+ FILE *fp;
+ fd_set master;
+ fd_set readfs;
+ struct timeval timeout;
+ int fdmax=0,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);
+ for(i=0;fd[i] != -1;i++) {
+  FD_SET(fd,&master);
+  fdmax=fd>fdmax?fd:fdmax;
+ }
+ fp=fdopen(fd,"rw");
+ memset(backlog,0,CHUNK);
+ memset(buffer,0,CHUNK);
+ if(fd) {
+  int done=0;
+  while(!done) {
+   for(fd=0;fd<=fdmax;fd++) {
+    if(FD_ISSET(fd,&master)) {
+     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;
+   }
+   for(fd=0;fd<=fdmax;fd++) {
+    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));
+         //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);
+ #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;
+}
+
 //:hack.thebackupbox.net 433 * sysbot :Nickname is already in use.
 //Need to have it check for this.
 //and try a nick?
-- 
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