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plt-scheme  4.2.1
rdgif.c
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00001 /*
00002  * rdgif.c
00003  *
00004  * Copyright (C) 1991-1997, Thomas G. Lane.
00005  * This file is part of the Independent JPEG Group's software.
00006  * For conditions of distribution and use, see the accompanying README file.
00007  *
00008  * This file contains routines to read input images in GIF format.
00009  *
00010  *****************************************************************************
00011  * NOTE: to avoid entanglements with Unisys' patent on LZW compression,      *
00012  * the ability to read GIF files has been removed from the IJG distribution. *
00013  * Sorry about that.                                                         *
00014  *****************************************************************************
00015  *
00016  * We are required to state that
00017  *    "The Graphics Interchange Format(c) is the Copyright property of
00018  *    CompuServe Incorporated. GIF(sm) is a Service Mark property of
00019  *    CompuServe Incorporated."
00020  */
00021 
00022 #include "cdjpeg.h"         /* Common decls for cjpeg/djpeg applications */
00023 
00024 #ifdef GIF_SUPPORTED
00025 
00026 /*
00027  * The module selection routine for GIF format input.
00028  */
00029 
00030 GLOBAL(cjpeg_source_ptr)
00031 jinit_read_gif (j_compress_ptr cinfo)
00032 {
00033   fprintf(stderr, "GIF input is unsupported for legal reasons.  Sorry.\n");
00034   exit(EXIT_FAILURE);
00035   return NULL;                     /* keep compiler happy */
00036 }
00037 
00038 #endif /* GIF_SUPPORTED */