From e02e4b69e237d16f19530b071fbb081a811e8ebe Mon Sep 17 00:00:00 2001 From: epoch Date: Sun, 19 May 2019 09:23:09 +0000 Subject: renamed everything to idc from line. --- libline.c | 229 -------------------------------------------------------------- 1 file changed, 229 deletions(-) delete mode 100644 libline.c (limited to 'libline.c') diff --git a/libline.c b/libline.c deleted file mode 100644 index f07d049..0000000 --- a/libline.c +++ /dev/null @@ -1,229 +0,0 @@ -//what data type to use for storing all of the shit? -//hashtable with hash == fd? - -//should I use FILE *, or fd, or write functions for both? - -#define _GNU_SOURCE //I want memmem out of string.h -#include -#include -#include -#include -#include - -//#define CHUNK 4096 -#include "line.h" - -#define TSIZE 65536 - -/* might not put this function in here... or maybe I will, but not use it. -char *read_line_hack(FILE *fp,int len) { - short in; - char *t; - errno=0; - switch(in=fgetc(fp)) { - case '\n': - t=malloc(len+1); - t[len]=0; - return t; - case -1: - if(errno == EAGAIN) return 0; - if(feof(fp)) { - fprintf(stderr,"# reached EOF. exiting.\n"); - exit(0); - } - fprintf(stderr,"# some other error happened while reading. %d %d\n",EAGAIN,errno); - perror("hackvr"); - exit(1); - default: //we need to check the last strlen(delim) bytes for delim to indicate end of line-read. - if((t=read_line_hack(fp,len+1))) t[len]=in; - break; - } - return t; -} -*/ - - -/* in line.h -struct shit { - //I need to choose which of these two. - //FILE *fp; - int fd; - char *backlog; - int blsize; - int bllen; - char buffer[CHUNK];//THIS IS *NOT* NULL TERMINATED. - - char *delim; - //other stuffs? -// union { - void (*line_handler)(struct shit *me,char *line);//function pointer to the handler. ??? -// (void *line_handler_fd)(int fd,char *) -// };//??? - void *extra_info;//extra info that I don't care to name atm -}; -*/ - -struct global libline; - -int update_shits() { - //loop over all shits and find the maxfd - int i; - for(i=0;i < libline.shitlen;i++) { - libline.fdmax = libline.fds[i].fd>libline.fdmax ? libline.fds[i].fd : libline.fdmax; - } - return 0; -} - -int add_fd(int fd,void (*line_handler)(struct shit *,char *)) { - int i; - for(i=0;libline.fds[i].fd != -1;i++);//we're going to use the index of the first -1 - libline.fds[i].fd=fd; - libline.fds[i].backlog=malloc(CHUNK); - memset(libline.fds[i].backlog,0,CHUNK); - memset(libline.fds[i].buffer,0,CHUNK); - libline.fds[i].blsize=CHUNK; - libline.fds[i].bllen=0;//CHUNK; - libline.fds[i].line_handler=line_handler; - libline.shitlen = i >= libline.shitlen ? i+1 : libline.shitlen ; - update_shits(); - return 0; -} - -//functions to add: -/* -main_looper() -add_fd_and_handler()? -remove_fd_and_handler()? -*/ - - -#define SILLYLIMIT 1024 - -char *memstr(char *s,char *find,size_t l) { - return memmem(s,l,find,strlen(find)); -} - -int select_on_everything() { - int hack; - fd_set master; - fd_set readfs; -// struct timeval timeout; -// int fdmax=0,n,i; - int n,i,j; - char tmp[256]; - char *t,*line=0; - FD_ZERO(&master); - FD_ZERO(&readfs); - for(;;) { //at the start of each loop we'll need to recalculate some stuff if there was a change. - //printf("in mainloop\n"); - //if(recalc_shit) { //this is set by anything changing the table of descriptors - for(i=0;libline.fds[i].fd != -1;i++) { - FD_SET(libline.fds[i].fd,&master); - } - // recalc_shit=0; - //} - readfs=master; -// timeout.tv_sec=0; //going to leave these three lines if I change my mind about acting like snow-white -// timeout.tv_usec=1000; -// if((j=select(fdmax+1,&readfs,0,0,&timeout)) == -1 ) { - if((j=select(libline.fdmax+1,&readfs,0,0,NULL)) == -1 ) {//we want to select-sleep as long as possible. - //any reason to wake up should be a file descriptor in the list. (works for X11 events, dunno about others) - - //on error filedescriptors aren't changed - //the value of timeout is undefined - //so says the linux man page for select. - return perror("select"),1; - //continue; - } - -// for(i=0;fds[i] != -1;i++) if(extra_handler) extra_handler(fds[i]); - if(j == 0) continue;//don't bother to loop over them. - for(i=0;libline.fds[i].fd != -1 && j>0;i++) { - if(!FD_ISSET(libline.fds[i].fd,&readfs)) continue;//did not find one. hurry back to the for loop - j--;//we found one. trying to get j==0 so we can get out of here early. - if((n=read(libline.fds[i].fd,libline.fds[i].buffer,CHUNK)) <= 0) { - snprintf(tmp,sizeof(tmp)-1,"fd %d: read",libline.fds[i].fd);//hopefully this doesn't error and throw off error messages. - perror(tmp); - return 2; - } - if(libline.fds[i].bllen+n > libline.fds[i].blsize) {//this is probably off... - t=malloc(libline.fds[i].blsize+n); - if(!t) exit(253); - memcpy(t,libline.fds[i].backlog,libline.fds[i].blsize); - libline.fds[i].blsize+=n; - free(libline.fds[i].backlog); - libline.fds[i].backlog=t; - } - memcpy(libline.fds[i].backlog+libline.fds[i].bllen,libline.fds[i].buffer,n); - libline.fds[i].bllen+=n; - while((t=memchr(libline.fds[i].backlog,'\n',libline.fds[i].bllen))) {//no. backlogs aren't nulled. - line=libline.fds[i].backlog; - if(*(t-1) == '\r') { - t--; - hack=2; - } else { - hack=1; - } - *t=0; - if(libline.fds[i].line_handler) libline.fds[i].line_handler(&libline.fds[i],line); - libline.fds[i].bllen-=((t+hack)-libline.fds[i].backlog); - if(libline.fds[i].bllen <= 0) libline.fds[i].bllen=0; - else memmove(libline.fds[i].backlog,(t+hack),libline.fds[i].bllen); - } - } - } - return 0; -} - -//this function mangles the input. -//gotta free the returned pointer but not each pointer in the array. - -/* -char **line_cutter(int fd,char *line,struct user *user) { - int i; - char **a=malloc(sizeof(char *) * 256);//heh. - if(!a) exit(54); - memset(a,0,sizeof(char *) * 256); - if(!user) return 0; - user->nick=0; - user->user=0; - user->host=0; - if(!line) return 0; - if(strchr(line,'\r')) *strchr(line,'\r')=0; - if(strchr(line,'\n')) *strchr(line,'\n')=0; - if(line[0]==':') { - if((user->nick=strchr(line,':'))) { - *(user->nick)=0; - (user->nick)++; - } - } - if(user->nick) { - - if((a[0]=strchr((user->nick),' '))) { - *a[0]=0; - a[0]++; - for(i=0;(a[i+1]=strchr(a[i],' '));i++) { - *a[i+1]=0; - a[i+1]++; - if(*a[i+1] == ':') {//we're done. - *a[i+1]=0; - a[i+1]++; - break; - } - } - } - - if(((user->user)=strchr((user->nick),'!'))) { - *(user->user)=0; - (user->user)++; - if(((user->host)=strchr((user->user),'@'))) { - *(user->host)=0; - (user->host)++; - } - } else { - user->host=user->nick; - } - } - return a; -} -*/ -- cgit v1.2.3