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Diffstat (limited to 'package/heirloom-cpio/src/blast.h')
-rw-r--r-- | package/heirloom-cpio/src/blast.h | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/package/heirloom-cpio/src/blast.h b/package/heirloom-cpio/src/blast.h deleted file mode 100644 index 0c16d1391..000000000 --- a/package/heirloom-cpio/src/blast.h +++ /dev/null @@ -1,76 +0,0 @@ -/* - * Changes by Gunnar Ritter, Freiburg i. Br., Germany, February 2004. - * - * Sccsid @(#)blast.h 1.2 (gritter) 2/17/04 - */ -/* blast.h -- interface for blast.c - Copyright (C) 2003 Mark Adler - version 1.1, 16 Feb 2003 - - This software is provided 'as-is', without any express or implied - warranty. In no event will the author be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. - - Mark Adler madler@alumni.caltech.edu - */ - - -/* - * blast() decompresses the PKWare Data Compression Library (DCL) compressed - * format. It provides the same functionality as the explode() function in - * that library. (Note: PKWare overused the "implode" verb, and the format - * used by their library implode() function is completely different and - * incompatible with the implode compression method supported by PKZIP.) - */ - - -typedef unsigned (*blast_in)(void *how, unsigned char **buf); -typedef int (*blast_out)(void *how, unsigned char *buf, unsigned len); -/* Definitions for input/output functions passed to blast(). See below for - * what the provided functions need to do. - */ - - -int blast(blast_in infun, void *inhow, blast_out outfun, void *outhow); -/* Decompress input to output using the provided infun() and outfun() calls. - * On success, the return value of blast() is zero. If there is an error in - * the source data, i.e. it is not in the proper format, then a negative value - * is returned. If there is not enough input available or there is not enough - * output space, then a positive error is returned. - * - * The input function is invoked: len = infun(how, &buf), where buf is set by - * infun() to point to the input buffer, and infun() returns the number of - * available bytes there. If infun() returns zero, then blast() returns with - * an input error. (blast() only asks for input if it needs it.) inhow is for - * use by the application to pass an input descriptor to infun(), if desired. - * - * The output function is invoked: err = outfun(how, buf, len), where the bytes - * to be written are buf[0..len-1]. If err is not zero, then blast() returns - * with an output error. outfun() is always called with len <= 4096. outhow - * is for use by the application to pass an output descriptor to outfun(), if - * desired. - * - * The return codes are: - * - * 2: ran out of input before completing decompression - * 1: output error before completing decompression - * 0: successful decompression - * -1: literal flag not zero or one - * -2: dictionary size not in 4..6 - * -3: distance is too far back - * - * At the bottom of blast.c is an example program that uses blast() that can be - * compiled to produce a command-line decompression filter by defining TEST. - */ |