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Fix out of memory access in parser

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0xFEEDC0DE64
2023-07-04 19:09:53 +02:00
parent 101dd1c2ba
commit ad7731d900
1 changed files with 4 additions and 4 deletions
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8
tools/xml2cpp-codegen/xml.cpp
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@ -292,12 +292,12 @@ void Document::Expat::character_data_handler(void* data, const XML_Char* chars,
nod = &(nod->children.back()); nod = &(nod->children.back());
} }
int x = 0, y = len - 1; int offset = 0, count = len;
while (isspace(chars[y]) && y > 0) --y; while (count > 0 && isspace(chars[count - 1])) --count;
while (isspace(chars[x]) && x < y) ++x; while (offset < count && isspace(chars[offset])) { ++offset; --count; }
nod->cdata = std::string(chars, x, y + 1); nod->cdata = std::string{chars + offset, static_cast<std::string::size_type>(count)};
} }
void Document::Expat::end_element_handler(void* data, const XML_Char* /*name*/) void Document::Expat::end_element_handler(void* data, const XML_Char* /*name*/)