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 */ 39