vbtest.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <unistd.h>
   4 #include <errno.h>
   5
   6 #include "vblib.h"
   7
   8 static struct varbuf vbin,vbout;
   9 static int closing=0;
  10
  11 void chatfn_quit(void)
  12 {
  13         vbputstring(&vbout,"Closing...\n");
  14         closing=1;
  15 }
  16
  17 void chatfn_test0(void)
  18 {
  19 static int total=0;
  20
  21         vbprintf(&vbout,"Test-0 command run times: %d\n",total++);
  22 }
  23
  24 void chatfn_test2(void)
  25 {
  26 static int total=0;
  27
  28         vbprintf(&vbout,"Test-2 command run times: %d, arg0=\"%s\", arg1=\"%s\"\n",
  29                 total++,chat_cmdpars[0],chat_cmdpars[1]);
  30 }
  31
  32 const struct chat_cmdtab chat_cmdtable[]={
  33         {"test0",0,chatfn_test0,"Test command with no arguments"},
  34         {"test2",2,chatfn_test2,"Test command with 2 arguments"},
  35         {NULL,0,NULL,NULL}};
  36
  37 int main(int argc,char **argv)
  38 {
  39 int arg;
  40 char *buf=NULL;
  41 size_t bufsiz=0;
  42 ssize_t offs,now;
  43
  44         for (arg=1;arg<argc;arg++)
  45                 printf("Ignored argument %d: %s\n",arg,*++argv);
  46         VB_LOG(CRIT,"Trying CRIT dumb logging for the %dst time",1);
  47         vbinit(&vbin);
  48         vbinit(&vbout); chat_vbout=&vbout;
  49         while (!closing) {
  50                 fputs("> ",stdout); fflush(stdout);
  51                 while ((offs=vbchrn(&vbin,0,'\n',+1))==-1) {
  52                         if (!vbin.free) vbgrow(&vbin,0);
  53                         now=read(STDIN_FILENO,vbin.l->buf+vbin.l->size-vbin.free,vbin.free);
  54                         if (now<=0) {
  55                                 printf("\nError while reading input: %s\n",strerror(errno));
  56                                 exit(EXIT_FAILURE);
  57                                 }
  58                         vbin.free-=now;
  59                         }
  60                 if (bufsiz<offs+1)
  61                         buf=realloc(buf,min(2*(offs+1),1024));
  62                 vbread(&vbin,buf,offs+1);
  63                 buf[offs]='\0';
  64                 chat_proccmd("vbtest",buf);
  65                 vbreadfd(&vbout,STDOUT_FILENO);
  66                 }
  67         puts("Closed.");
  68         return(EXIT_SUCCESS);
  69 }