diff -r 000000000000 -r bde4ae8d615e os/ossrv/ssl/libcrypto/src/crypto/comp/c_rle.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/ossrv/ssl/libcrypto/src/crypto/comp/c_rle.c Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,111 @@ +/* +Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. +* Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. +* Neither the name of Nokia Corporation nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +Description: +*/ + + +#include +#include +#include +#include +#include +#if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__))) +#include "libcrypto_wsd_macros.h" +#include "libcrypto_wsd.h" +#endif + +static int rle_compress_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, unsigned int ilen); +static int rle_expand_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, unsigned int ilen); + +#ifndef EMULATOR +static COMP_METHOD rle_method={ + NID_rle_compression, + LN_rle_compression, + NULL, + NULL, + rle_compress_block, + rle_expand_block, + NULL, + NULL, + }; +#else + GET_STATIC_VAR_FROM_TLS(rle_method,c_rle,COMP_METHOD) + #define rle_method (*GET_WSD_VAR_NAME(rle_method,c_rle,s)()) + const COMP_METHOD temp_s_rle_method={ + NID_rle_compression, + LN_rle_compression, + NULL, + NULL, + rle_compress_block, + rle_expand_block, + NULL, + NULL, + }; +#endif + +EXPORT_C COMP_METHOD *COMP_rle(void) + { + return(&rle_method); + } + +static int rle_compress_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, unsigned int ilen) + { + /* int i; */ + + if (olen < (ilen+1)) + { + /* ZZZZZZZZZZZZZZZZZZZZZZ */ + return(-1); + } + + *(out++)=0; + memcpy(out,in,ilen); + return(ilen+1); + } + +static int rle_expand_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, unsigned int ilen) + { + int i; + + if (olen < (ilen-1)) + { + /* ZZZZZZZZZZZZZZZZZZZZZZ */ + return(-1); + } + + i= *(in++); + if (i == 0) + { + memcpy(out,in,ilen-1); + } + return(ilen-1); + } +