Beispiel #1
0
/*----------------------------------------------------------------------+*/
int  exec_proc_channel_object (SPC_Channel_Ptr channel)
/*----------------------------------------------------------------------+*/
{

  XeString *tmp_argv;
  int iomode=channel->IOMode;
  
  /* If there is no argv specified, fix it up to be the convention
     (argv[0] = file pathname) */
  
  if (channel->argv == NULL) {
    tmp_argv=Alloc_Argv(2);
    if(tmp_argv==SPC_ERROR)
      return(SPC_ERROR);
    tmp_argv[0]=SPC_copy_string(channel->path);
    tmp_argv[1]=NULL;
    channel->argv = tmp_argv;
    channel->IOMode |= SPCIO_DEALLOC_ARGV;
  }

  if(IS_SPCIO_WAIT(channel->IOMode))
    XeSPCRegisterTerminator(channel, NULL, NULL);
  
  return(TRUE);

}
Beispiel #2
0
/*----------------------------------------------------------------------+*/
SPC_MakeSystemCommand(SPC_Channel_Ptr channel)
/*----------------------------------------------------------------------+*/
{

  XeString shell;
  XeString *argv;
  XeString *tmp_argv;
  XeChar newargtwo[_POSIX_ARG_MAX];
  int argtwolen=0, tmplen=0;
  
  /* Allocate our memory up front */

  argv=Alloc_Argv(4);

  newargtwo[argtwolen]=0;

  /* copy path into newargtwo */
  
  strncat(newargtwo, channel->path, _POSIX_ARG_MAX-1);
  strcat(newargtwo, (XeString)" ");
  argtwolen=strlen(newargtwo);
  
  /* copy argv into newargtwo */
  for(tmp_argv=channel->argv; tmp_argv && *tmp_argv; tmp_argv++) {
    tmplen=strlen(*tmp_argv)+1;              /* Room for extra space */
    if((tmplen+argtwolen)<_POSIX_ARG_MAX-1) {
      strcat(newargtwo, *tmp_argv);
      strcat(newargtwo, (XeString)" ");
      argtwolen += tmplen;
    } else {
      XeChar *errbuf;

      errbuf = malloc(sizeof(XeChar) * 100);
      if (errbuf)
      {
        SPC_Free_Envp(argv);
        sprintf(errbuf,"(%d chars), max. length is %d",tmplen,_POSIX_ARG_MAX);
        SPC_Error(SPC_Arg_Too_Long, tmp_argv, _POSIX_ARG_MAX);
	free(errbuf);
      }
      return(SPC_ERROR);
    }
  }
       
  /* get a shell --
     First use the value of $SB_SHELL (if any), 
     then try $SHELL,
     then use DEFAULT_SHELL
     */

  if(!(shell=getenv((XeString)"SB_SHELL")))
    if(!(shell=getenv((XeString)"SHELL")))
      shell = DEFAULT_SHELL;
  
  /* setup argv properly */
  
  argv[0]=SPC_copy_string(shell);
  argv[1]=SPC_copy_string((XeString)"-c");
  argv[2]=SPC_copy_string(newargtwo);
  argv[3]=NULL;
  channel->argv = argv;
  channel->IOMode |= SPCIO_DEALLOC_ARGV;
  
  /* Now set this shell as the path */

  channel->path = shell;
  
  return(TRUE);
}