usage.c

CC386 is a general-purpose 32-bit C compiler. It is not an optimizing compiler but given that the co

/* 
   Copyright 2002-2003 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
   02111-1307, USA.  

   You may contact the author at:

   mailto::[e-mail]

   or by snail mail at:

   David Lindauer
   850 Washburn Ave Apt 99
   Louisville, KY 40222
*/
/*
 * Display usage information and exit.
 */
#include <windows.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
//#include "cmdline.h"
/*
 * Main program must define the usage text
 */
extern char *usage_text;

/* Program banner */
void banner( char *fmt, ... )
{
  va_list argptr;

  if (GetStdHandle(STD_INPUT_HANDLE) == INVALID_HANDLE_VALUE)
   return ;
  putc('\n', stdout);

  va_start( argptr, fmt);
  vprintf( fmt, argptr);
  va_end(argptr);

  putc('\n', stdout);
}

/* Print usage info */
void usage( char *prog_name)
{
  char *short_name;
  char *extension;

  short_name = strrchr(prog_name, '\\' );
  if (short_name == NULL)
    short_name = strrchr( prog_name, '/' );
  if (short_name == NULL)
    short_name = strrchr( prog_name, ':' );
  if (short_name)
    short_name++;
  else
    short_name = prog_name;

  extension = strrchr( short_name, '.');
  if (extension != NULL)
    *extension = '\0';
  printf("\nUsage: %s %s\n", short_name, usage_text);
  exit( 1 );
}