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/*
* This software is copyrighted as noted below. It may be freely copied,
* modified, and redistributed, provided that the copyright notice is
* preserved on all copies.
*
* There is no warranty or other guarantee of fitness for this software,
* it is provided solely "as is". Bug reports or fixes may be sent
* to the author, who may or may not act on them as he desires.
*
* You may not include this software in a program or other software product
* without supplying the source, or without informing the end-user that the
* source is available for no extra charge.
*
* If you modify this software, you should include a notice giving the
* name of the person performing the modification, the date of modification,
* and the reason for such modification.
*/
/*
* rle_error.c - Error message stuff for URT.
*
* Author: Spencer W. Thomas
* EECS Dept.
* University of Michigan
* Date: Mon Mar 2 1992
* Copyright (c) 1992, University of Michigan
*/
#include <string.h>
#include "rle.h"
/*****************************************************************
* TAG( rle_alloc_error )
*
* Print memory allocation error message and exit.
* Inputs:
* pgm: Name of this program.
* name: Name of memory trying to be allocated.
* Outputs:
* Prints message and exits.
*
* Returns int because it's used in a conditional expression.
*/
int
rle_alloc_error( pgm, name )
CONST_DECL char *pgm, *name;
{
if ( name )
fprintf( stderr, "%s: memory allocation failed.\n", pgm );
else
fprintf( stderr, "%s: memory allocation failed (no space for %s).\n",
pgm, name );
exit( RLE_NO_SPACE );
/* Will some compilers bitch about this because they know exit
* doesn't return??
*/
return 0;
}
/*****************************************************************
* TAG( rle_get_error )
*
* Print an error message for the return code from rle_get_setup
* Inputs:
* code: The return code from rle_get_setup.
* pgmname: Name of this program (argv[0]).
* fname: Name of the input file.
* Outputs:
* Prints an error message on standard output.
* Returns code.
*/
int
rle_get_error( code, pgmname, fname )
int code;
CONST_DECL char *pgmname;
CONST_DECL char *fname;
{
if (! fname || strcmp( fname, "-" ) == 0 )
fname = "Standard Input";
switch( code )
{
case RLE_SUCCESS: /* success */
break;
case RLE_NOT_RLE: /* Not an RLE file */
fprintf( stderr, "%s: %s is not an RLE file\n",
pgmname, fname );
break;
case RLE_NO_SPACE: /* malloc failed */
fprintf( stderr,
"%s: Malloc failed reading header of file %s\n",
pgmname, fname );
break;
case RLE_EMPTY:
fprintf( stderr, "%s: %s is an empty file\n",
pgmname, fname );
break;
case RLE_EOF:
fprintf( stderr,
"%s: RLE header of %s is incomplete (premature EOF)\n",
pgmname, fname );
break;
default:
fprintf( stderr, "%s: Error encountered reading header of %s\n",
pgmname, fname );
break;
}
return code;
}
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