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.ijg 7 * file. 8 * 9 * This file contains routines to read input images in GIF format. 10 * 11 ***************************************************************************** 12 * NOTE: to avoid entanglements with Unisys' patent on LZW compression, * 13 * the ability to read GIF files has been removed from the IJG distribution. * 14 * Sorry about that. * 15 ***************************************************************************** 16 * 17 * We are required to state that 18 * "The Graphics Interchange Format(c) is the Copyright property of 19 * CompuServe Incorporated. GIF(sm) is a Service Mark property of 20 * CompuServe Incorporated." 21 */ 22 23 #include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ 24 25 #ifdef GIF_SUPPORTED 26 27 /* 28 * The module selection routine for GIF format input. 29 */ 30 31 GLOBAL(cjpeg_source_ptr) 32 jinit_read_gif (j_compress_ptr cinfo) 33 { 34 fprintf(stderr, "GIF input is unsupported for legal reasons. Sorry.\n"); 35 exit(EXIT_FAILURE); 36 return NULL; /* keep compiler happy */ 37 } 38 39 #endif /* GIF_SUPPORTED */ 40
