X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e6ebb51430cd8e4a9a11c6c5a5ca7c3ff9d7a72a..ce7208d49d5ce2ca1dc0b3b83f14f1d04f29c4bf:/src/zlib/compress.c diff --git a/src/zlib/compress.c b/src/zlib/compress.c index 87c87c239c..df04f0148e 100644 --- a/src/zlib/compress.c +++ b/src/zlib/compress.c @@ -1,11 +1,12 @@ /* compress.c -- compress a memory buffer - * Copyright (C) 1995-1998 Jean-loup Gailly. + * Copyright (C) 1995-2003 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ /* @(#) $Id$ */ -#include "../zlib/zlib.h" +#define ZLIB_INTERNAL +#include "zlib.h" /* =========================================================================== Compresses the source buffer into the destination buffer. The level @@ -18,16 +19,12 @@ memory, Z_BUF_ERROR if there was not enough room in the output buffer, Z_STREAM_ERROR if the level parameter is invalid. */ -#if defined(__VISAGECPP__) // Visual game can't handle this antiquated interface -int ZEXPORT compress2 (Bytef* dest, uLongf* destLen, const Bytef* source, uLong sourceLen, int level) -#else int ZEXPORT compress2 (dest, destLen, source, sourceLen, level) Bytef *dest; uLongf *destLen; const Bytef *source; uLong sourceLen; int level; -#endif { z_stream stream; int err; @@ -62,15 +59,21 @@ int ZEXPORT compress2 (dest, destLen, source, sourceLen, level) /* =========================================================================== */ -#if defined(__VISAGECPP__) // Visual game can't handle this antiquated interface -int ZEXPORT compress (Bytef* dest, uLongf* destLen, const Bytef* source, uLong sourceLen) -#else int ZEXPORT compress (dest, destLen, source, sourceLen) Bytef *dest; uLongf *destLen; const Bytef *source; uLong sourceLen; -#endif { return compress2(dest, destLen, source, sourceLen, Z_DEFAULT_COMPRESSION); } + +/* =========================================================================== + If the default memLevel or windowBits for deflateInit() is changed, then + this function needs to be updated. + */ +uLong ZEXPORT compressBound (sourceLen) + uLong sourceLen; +{ + return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) + 11; +}