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Diffstat (limited to 'crashrep/source/win32/base64.cpp')
-rwxr-xr-x | crashrep/source/win32/base64.cpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/crashrep/source/win32/base64.cpp b/crashrep/source/win32/base64.cpp new file mode 100755 index 000000000000..dd30ce4d5d16 --- /dev/null +++ b/crashrep/source/win32/base64.cpp @@ -0,0 +1,83 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#include <stdio.h> +#include <string.h> +#include "base64.h" + +static const char base64_tab[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + +extern "C" size_t base64_encode( FILE *fin, FILE *fout ) +{ + size_t nBytesRead = 0; + size_t nLineLength = 0; + size_t nBytesWritten = 0; + + size_t nBytes = 0; + + do + { + unsigned char in_buffer[3]; + + memset( in_buffer, 0, sizeof(in_buffer) ); + nBytes = fread( in_buffer, 1, sizeof(in_buffer), fin ); + nBytesRead += nBytes; + + if ( nBytes ) + { + unsigned long value = + ((unsigned long)in_buffer[0]) << 16 | + ((unsigned long)in_buffer[1]) << 8 | + ((unsigned long)in_buffer[2]) << 0; + + unsigned char out_buffer[4]; + + memset( out_buffer, '=', sizeof(out_buffer) ); + + out_buffer[0] = base64_tab[(value >> 18) & 0x3F]; + out_buffer[1] = base64_tab[(value >> 12) & 0x3F]; + + if ( nBytes > 1 ) + { + out_buffer[2] = base64_tab[(value >> 6) & 0x3F]; + if ( nBytes > 2 ) + out_buffer[3] = base64_tab[(value >> 0) & 0x3F]; + } + + if ( nLineLength >= 76 ) + { + fputs( "\n", fout ); + nLineLength = 0; + } + + nBytesWritten += fwrite( out_buffer, 1, sizeof(out_buffer), fout ); + nLineLength += sizeof(out_buffer); + } + } while ( nBytes ); + + return nBytesWritten; +} |