release/src/router/jpeg/rdgif.c

   1 /*
   2  * rdgif.c
   3  *
   4  * Copyright (C) 1991-1997, Thomas G. Lane.
   5  * This file is part of the Independent JPEG Group's software.
   6  * For conditions of distribution and use, see the accompanying README file.
   7  *
   8  * This file contains routines to read input images in GIF format.
   9  *
  10  *****************************************************************************
  11  * NOTE: to avoid entanglements with Unisys' patent on LZW compression,      *
  12  * the ability to read GIF files has been removed from the IJG distribution. *
  13  * Sorry about that.                                                         *
  14  *****************************************************************************
  15  *
  16  * We are required to state that
  17  *    "The Graphics Interchange Format(c) is the Copyright property of
  18  *    CompuServe Incorporated. GIF(sm) is a Service Mark property of
  19  *    CompuServe Incorporated."
  20  */
  21
  22 #include "cdjpeg.h"             /* Common decls for cjpeg/djpeg applications */
  23
  24 #ifdef GIF_SUPPORTED
  25
  26 /*
  27  * The module selection routine for GIF format input.
  28  */
  29
  30 GLOBAL(cjpeg_source_ptr)
  31 jinit_read_gif (j_compress_ptr cinfo)
  32 {
  33   fprintf(stderr, "GIF input is unsupported for legal reasons.  Sorry.\n");
  34   exit(EXIT_FAILURE);
  35   return NULL;                  /* keep compiler happy */
  36 }
  37
  38 #endif /* GIF_SUPPORTED */