00001 /* 00002 Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 00003 00004 Redistribution and use in source and binary forms, with or without 00005 modification, are permitted provided that the following conditions are met: 00006 00007 * Redistributions of source code must retain the above copyright notice, this 00008 list of conditions and the following disclaimer. 00009 * Redistributions in binary form must reproduce the above copyright notice, 00010 this list of conditions and the following disclaimer in the documentation 00011 and/or other materials provided with the distribution. 00012 * Neither the name of Nokia Corporation nor the names of its contributors 00013 may be used to endorse or promote products derived from this software 00014 without specific prior written permission. 00015 00016 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00017 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00018 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00019 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 00020 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00021 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00022 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00023 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00024 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00025 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00026 00027 Description: 00028 */ 00029 00030 00031 #include <zlib.h> 00032 #include <stdio.h> 00033 #include <string.h> 00034 #include <stdlib.h> 00035 #include<unistd.h> 00036 00037 /* INCLUDE FILES REQUIRED ONLY FOR MEMORY MAPPING */ 00038 #ifdef USE_MMAP 00039 # include <sys/types.h> 00040 # include <sys/mman.h> 00041 # include <sys/stat.h> 00042 #endif 00043 00044 00045 00046 #ifndef GZ_SUFFIX 00047 # define GZ_SUFFIX ".gz" //extension of the compressed file 00048 #endif 00049 00050 #define SUFFIX_LEN (sizeof(GZ_SUFFIX)-1) 00051 00052 #define BUFLEN 16384 00053 #define MAX_NAME_LEN 1024 00054 00055 00056 00065 void StringCompress(); 00073 void Error OF((const char *msg)); 00083 void GzCompress OF((FILE *in, gzFile out)); 00094 #ifdef USE_MMAP 00095 int GzCompressMmap OF((FILE *in, gzFile out)); 00096 #endif 00097 00104 void GzUnCompress OF((gzFile in, FILE *out)); 00115 void FileCompress OF((char *file, char *mode)); 00123 void FileUnCompress OF((char *file));