diff options
author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-16 16:06:07 -0600 |
---|---|---|
committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-16 16:06:07 -0600 |
commit | be0ca741fd12897337408d1d7a7d8f5f18e1fac9 (patch) | |
tree | b9fa3458193a17180d8773a0204ee05ae206cd99 /libtdenetwork/qgpgme/dataprovider.cpp | |
parent | bbb7afdb6da2969535e7f05715e2cb95cfdc917c (diff) | |
download | tdepim-be0ca741fd12897337408d1d7a7d8f5f18e1fac9.tar.gz tdepim-be0ca741fd12897337408d1d7a7d8f5f18e1fac9.zip |
Finish rename from prior commit
Diffstat (limited to 'libtdenetwork/qgpgme/dataprovider.cpp')
-rw-r--r-- | libtdenetwork/qgpgme/dataprovider.cpp | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/libtdenetwork/qgpgme/dataprovider.cpp b/libtdenetwork/qgpgme/dataprovider.cpp new file mode 100644 index 000000000..052b84c48 --- /dev/null +++ b/libtdenetwork/qgpgme/dataprovider.cpp @@ -0,0 +1,107 @@ +/* dataprovider.cpp + Copyright (C) 2004 Klarälvdalens Datakonsult AB + + This file is part of TQGPGME. + + TQGPGME is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + TQGPGME 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with TQGPGME; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ + +// -*- c++ -*- + +#include <config.h> + +#include <qgpgme/dataprovider.h> + +#include <string.h> +#include <errno.h> +#include <assert.h> +#include <unistd.h> + +static bool resizeAndInit( TQByteArray & ba, size_t newSize ) { + const size_t oldSize = ba.size(); + bool ok = ba.tqresize( newSize ); + if ( ok ) + memset( ba.data() + oldSize, 0, newSize - oldSize ); + return ok; +} + +QGpgME::TQByteArrayDataProvider::TQByteArrayDataProvider() + : GpgME::DataProvider(), mOff( 0 ) {} + +QGpgME::TQByteArrayDataProvider::TQByteArrayDataProvider( const TQByteArray & initialData ) + : GpgME::DataProvider(), mArray( initialData ), mOff( 0 ) {} + +QGpgME::TQByteArrayDataProvider::~TQByteArrayDataProvider() {} + +ssize_t QGpgME::TQByteArrayDataProvider::read( void * buffer, size_t bufSize ) { +#ifndef NDEBUG + //qDebug( "QGpgME::TQByteArrayDataProvider::read( %p, %d )", buffer, bufSize ); +#endif + if ( bufSize == 0 ) + return 0; + if ( mOff >= mArray.size() ) + return 0; // EOF + size_t amount = TQMIN( bufSize, mArray.size() - mOff ); + assert( amount > 0 ); + memcpy( buffer, mArray.data() + mOff, amount ); + mOff += amount; + return amount; +} + +ssize_t QGpgME::TQByteArrayDataProvider::write( const void * buffer, size_t bufSize ) { +#ifndef NDEBUG + qDebug( "QGpgME::TQByteArrayDataProvider::write( %p, %d )", buffer, bufSize ); +#endif + if ( bufSize == 0 ) + return 0; + if ( mOff >= mArray.size() ) + resizeAndInit( mArray, mOff + bufSize ); + if ( mOff >= mArray.size() ) { + errno = EIO; + return -1; + } + assert( bufSize <= mArray.size() - mOff ); + memcpy( mArray.data() + mOff, buffer, bufSize ); + mOff += bufSize; + return bufSize; +} + +off_t QGpgME::TQByteArrayDataProvider::seek( off_t offset, int whence ) { +#ifndef NDEBUG + qDebug( "QGpgME::TQByteArrayDataProvider::seek( %d, %d )", int(offset), whence ); +#endif + int newOffset = mOff; + switch ( whence ) { + case SEEK_SET: + newOffset = offset; + break; + case SEEK_CUR: + newOffset += offset; + break; + case SEEK_END: + newOffset = mArray.size() + offset; + break; + default: + errno = EINVAL; + return (off_t)-1; + } + return mOff = newOffset; +} + +void QGpgME::TQByteArrayDataProvider::release() { +#ifndef NDEBUG + qDebug( "QGpgME::TQByteArrayDataProvider::release()" ); +#endif + mArray = TQByteArray(); +} |