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Ignore stream errors generated by a failing tellg() for non-seekable streams

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git-svn-id: http://pugixml.googlecode.com/svn/trunk@961 99668b35-9821-0410-8761-19e4c4f06640
This commit is contained in:
Arseny Kapoulkine 2014-01-27 04:06:35 +00:00
parent 0938714fa0
commit c3550de72b
1 changed files with 12 additions and 1 deletions
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13
src/pugixml.cpp
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@ -3627,9 +3627,20 @@ PUGI__NS_BEGIN
{
void* buffer = 0;
size_t size = 0;
xml_parse_status status = status_ok;
// if stream has an error bit set, bail out (otherwise tellg() can fail and we'll clear error bits)
if (stream.fail()) return make_parse_result(status_io_error);
// load stream to memory (using seek-based implementation if possible, since it's faster and takes less memory)
xml_parse_status status = (stream.tellg() < 0) ? load_stream_data_noseek(stream, &buffer, &size) : load_stream_data_seek(stream, &buffer, &size);
if (stream.tellg() < 0)
{
stream.clear(); // clear error flags that could be set by a failing tellg
status = load_stream_data_noseek(stream, &buffer, &size);
}
else
status = load_stream_data_seek(stream, &buffer, &size);
if (status != status_ok) return make_parse_result(status);
return doc.load_buffer_inplace_own(buffer, size, options, encoding);