/* MD5DEEP - ui.c
 *
 * By Jesse Kornblum
 *
 * This is a work of the US Government. In accordance with 17 USC 105,
 * copyright protection is not available for any work of the US Government.
 *
 * 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.
 *
 */

/* $Id: ui.c,v 1.6 2007/09/25 21:28:02 jessekornblum Exp $ */

#include "main.h"
#include <stdarg.h>

#define MD5DEEP_PRINT_MSG(HANDLE,MSG) \
va_list(ap);  \
va_start(ap,MSG); \
if (vfprintf(HANDLE,MSG,ap) < 0)  \
{ \
   fprintf(stderr, "%s: %s", __progname, strerror(errno)); \
   exit(EXIT_FAILURE);  \
} \
va_end(ap); fprintf (HANDLE,"%s", NEWLINE);


void print_debug(char *fmt, ... )
{
#ifdef __DEBUG
  printf ("DEBUG: ");
  MD5DEEP_PRINT_MSG(stderr,fmt)
#endif
}

void print_status(char *fmt, ...)
{
  MD5DEEP_PRINT_MSG(stdout,fmt)
}

void print_error(state *s, char *fmt, ...)
{
  if (!(s->mode & mode_silent))
  {
    MD5DEEP_PRINT_MSG(stderr,fmt);
  }
}


void print_error_unicode(state *s, TCHAR *fn, char *fmt, ...)
{
  if (!(s->mode & mode_silent))
  {
    display_filename(stderr,fn);
    fprintf(stderr,": ");
    MD5DEEP_PRINT_MSG(stderr,fmt);
  }
}



void fatal_error(state *s, char *fmt, ...)
{
  if (!(s->mode & mode_silent))
  {
    MD5DEEP_PRINT_MSG(stderr,fmt);
  }

  exit (STATUS_USER_ERROR);
}


/* Internal errors are so serious that we ignore the user's wishes 
   about silent mode. Our need to debug the program outweighs their
   preferences. Besides, the program is probably crashing anyway... */
void internal_error(char *fmt, ... )
{
  MD5DEEP_PRINT_MSG(stderr,fmt);  
  print_status ("%s: Internal error. Contact developer!", __progname);  
  exit (STATUS_INTERNAL_ERROR);
}


#ifdef _WIN32
void display_filename(FILE *out, TCHAR *fn)
{
  size_t pos,len;

  if (NULL == fn)
    return;

  len = _tcslen(fn);

  for (pos = 0 ; pos < len ; ++pos)
  {
    // We can only display the English (00) code page
    if (0 == (fn[pos] & 0xff00))
      fprintf (out,"%c", (char)(fn[pos]));
    else
      fprintf (out,"?");
  }
}
#else
void display_filename(FILE *out, TCHAR *fn)
{
  fprintf (out,"%s", fn);
}
#endif