mdw@git.distorted.org.uk Git - mLib/blob - codec/codec.c

   1 /* -*-c-*-
   2  *
   3  * Binary codec utilities
   4  *
   5  * (c) 2009 Straylight/Edgeware
   6  */
   7
   8 /*----- Licensing notice --------------------------------------------------*
   9  *
  10  * This file is part of the mLib utilities library.
  11  *
  12  * mLib is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU Library General Public License as
  14  * published by the Free Software Foundation; either version 2 of the
  15  * License, or (at your option) any later version.
  16  *
  17  * mLib is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU Library General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU Library General Public
  23  * License along with mLib; if not, write to the Free
  24  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  25  * MA 02111-1307, USA.
  26  */
  27
  28 /*----- Header files ------------------------------------------------------*/
  29
  30 #include "codec.h"
  31 #include "macros.h"
  32
  33 /*----- Static variables --------------------------------------------------*/
  34
  35 static const char *errtab[] = {
  36 #define ERR(name, text) text,
  37   CODEC_ERRORS(ERR)
  38 };
  39
  40 /*----- Main code ---------------------------------------------------------*/
  41
  42 /* --- @codec_strerror@ --- *
  43  *
  44  * Arguments:   @int err@ = error code from codec
  45  *
  46  * Returns:     Pointer to error text.
  47  *
  48  * Use:         Converts error codes to human-readable strings.
  49  */
  50
  51 const char *codec_strerror(int err)
  52 {
  53   if (err < 0 || err >= N(errtab))
  54     return ("Error code out of range");
  55   return (errtab[err]);
  56 }
  57
  58 /*----- That's all, folks -------------------------------------------------*/