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load_buffer_impl always checks if buffer is valid pointer and size > 0

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added some tests to force invalid buffer and size = 0
This commit is contained in:
mloy 2014-10-30 14:30:05 +01:00
parent 21cff3bca2
commit 837ced350c
2 changed files with 8 additions and 1 deletions
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7
src/pugixml.cpp
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@ -4292,7 +4292,12 @@ PUGI__NS_BEGIN
PUGI__FN xml_parse_result load_buffer_impl(xml_document_struct* doc, xml_node_struct* root, void* contents, size_t size, unsigned int options, xml_encoding encoding, bool is_mutable, bool own, char_t** out_buffer)
{
// check input buffer
assert(contents || size == 0);
if ((contents==NULL) && (size!=0)) {
xml_parse_result result;
result.status = status_no_document_element;
return result;
}
// get actual encoding
xml_encoding buffer_encoding = impl::get_buffer_encoding(encoding, contents, size);

2
tests/test_parse.cpp
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@ -865,6 +865,8 @@ TEST(parse_empty)
xml_document doc;
CHECK(doc.load(STR("")).status == status_no_document_element && !doc.first_child());
CHECK(doc.load(STR(""), parse_fragment) && !doc.first_child());
CHECK(doc.load_buffer(NULL, 12).status == status_no_document_element);
CHECK(doc.load_buffer("foo", 0).status == status_no_document_element);
}
TEST(parse_out_of_memory)