#line 2 "osdep/execview.os2"
/*----------------------------------------------------------------------
    Routine to execute command mailcap says is used to display MIME segment
    under OS/2

 The exported routine is:

    exec_viewer -- 

 ----*/

#include	<process.h>


/* ----------------------------------------------------------------------
   Execute the given 

  Args: cmd -- 
	image_file --
  
     
  ----*/
void
exec_mailcap_cmd(cmd, image_file, needsterminal)
    char *cmd;
    char *image_file;
    int   needsterminal;  /* not used in DOS */
{
    int   rc;

    cancel_busy_alarm(1);
    interrupt_ok();
    rc = system(cmd);
    dont_interrupt();

    if(rc < 0)
      q_status_message1(SM_ORDER, 3, 4, "Failed to exec viewer: %s",
			(errno == E2BIG) ? "Argument list too big" :
			  (errno == ENOENT) ? "No command interpreter" :
			    (errno == ENOMEM) ? "Not enough memory"
				: "Unknown Error");
    unlink(image_file);
}


/* ----------------------------------------------------------------------
   Execute the given test= cmd

  Args: cmd -- command to execute
  Returns exit status
     
  ----*/
int
exec_mailcap_test_cmd(cmd)
    char *cmd;
{
#define	MAXARGS	10
    char *args[MAXARGS], *cp;
    int   i, rv;

    cp = cmd;

    /* build args */
    for(i=0; *cp != '\0'; i++){			/* build args array */
	if(i < MAXARGS+2){
	    args[i] = NULL;			/* in case we break out */
	}
	else{
	    q_status_message1(SM_ORDER | SM_DING, 3, 5,
			      "Too many args : %s",
			      ps_global->VAR_IMAGE_VIEWER);
	    return -1;
	}

	while(isspace((unsigned char)(*cp)))
	  if(*cp != '\0')
	    cp++;
	  else
	    break;

	args[i] = cp;

	while(!isspace((unsigned char)(*cp)))
	  if(*cp != '\0')
	    cp++;
	  else
	    break;

	if(*cp != '\0')
	  *cp++ = '\0';
    }
    args[i] = NULL;

    /* actually display the sucker */
    interrupt_ok();
    rv = spawnvp(P_WAIT, args[0], args);
    dont_interrupt();
    if(rv == -1) {
	/* error spawning image viewer */
        q_status_message2(SM_ORDER | SM_DING, 4, 5, "Error \"%s\" spawning %s",
                          error_description(errno),
			  ps_global->VAR_IMAGE_VIEWER); 
	return -1;
    }

    return(rv);
}