// Purpose: implementation of BASE64 encoding/decoding functions
// Author: Charles Reimers, Vadim Zeitlin
// Created: 2007-06-18
-// RCS-ID: $Id$
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#include "wx/wxprec.h"
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
#if wxUSE_BASE64
#include "wx/base64.h"
size_t
wxBase64Encode(char *dst, size_t dstLen, const void *src_, size_t srcLen)
{
- wxCHECK_MSG( src_, wxCONV_FAILED, _T("NULL input buffer") );
+ wxCHECK_MSG( src_, wxCONV_FAILED, wxT("NULL input buffer") );
- const unsigned char *src = wx_static_cast(const unsigned char *, src_);
+ const unsigned char *src = static_cast<const unsigned char *>(src_);
static const char b64[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
wxBase64DecodeMode mode,
size_t *posErr)
{
- wxCHECK_MSG( src, wxCONV_FAILED, _T("NULL input buffer") );
+ wxCHECK_MSG( src, wxCONV_FAILED, wxT("NULL input buffer") );
- unsigned char *dst = wx_static_cast(unsigned char *, dst_);
+ unsigned char *dst = static_cast<unsigned char *>(dst_);
size_t decLen = 0;
const char *p;
for ( p = src; srcLen; p++, srcLen-- )
{
- const unsigned char c = decode[wx_static_cast(unsigned char, *p)];
+ const unsigned char c = decode[static_cast<unsigned char>(*p)];
switch ( c )
{
case WSP:
// undo the bit shifting done during encoding
*dst++ = in[0] << 2 | in[1] >> 4;
- *dst++ = in[1] << 4 | in[2] >> 2;
- *dst++ = in[2] << 6 | in[3];
+
+ // be careful to not overwrite the output buffer with NUL pad
+ // bytes
+ if ( padLen != 2 )
+ {
+ *dst++ = in[1] << 4 | in[2] >> 2;
+ if ( !padLen )
+ *dst++ = in[2] << 6 | in[3];
+ }
}
n = 0;
size_t *posErr)
{
wxMemoryBuffer buf;
- wxCHECK_MSG( src, buf, _T("NULL input buffer") );
+ wxCHECK_MSG( src, buf, wxT("NULL input buffer") );
if ( srcLen == wxNO_LEN )
srcLen = strlen(src);