Diffstat (limited to 'pwmanager/pwmanager/compressgzip.h') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | pwmanager/pwmanager/compressgzip.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/pwmanager/pwmanager/compressgzip.h b/pwmanager/pwmanager/compressgzip.h new file mode 100644 index 0000000..78c71d4 --- a/dev/null +++ b/pwmanager/pwmanager/compressgzip.h @@ -0,0 +1,50 @@ +/*************************************************************************** + * * + * copyright (C) 2003, 2004 by Michael Buesch * + * email: mbuesch@freenet.de * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License version 2 * + * as published by the Free Software Foundation. * + * * + ***************************************************************************/ + +/*************************************************************************** + * copyright (C) 2004 by Ulf Schenk + * This file is originaly based on version 1.0.1 of pwmanager + * and was modified to run on embedded devices that run microkde + * + * $Id$ + **************************************************************************/ + +#ifndef COMPRESSGZIP_H +#define COMPRESSGZIP_H + +#include <string> +using std::string; + +/** gzip compression */ +class CompressGzip +{ +public: + CompressGzip() {} + + /** compress the string d */ + bool compress(string *d); + /** decompress the string d */ + bool decompress(string *d); + +protected: + /** calculates the length of the dest-buffer + * for compress() using the size of the source-buffer + */ + unsigned int calcCompressDestLen(unsigned int sourceLen) + { return (sourceLen + (sourceLen / 100 / 10 + 12)); } + /** calculates the length of the dest-buffer + * for decompress() using the size of the source-buffer + */ + unsigned int calcDecompressDestLen(unsigned int sourceLen) + { return (sourceLen * 2); } +}; + +#endif |