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parse_execution: Check array index before using it

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Fabian Homborg 2018-11-14 11:24:55 +01:00
parent 7437f82d92
commit 534f694cee
1 changed files with 1 additions and 1 deletions
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src/parse_execution.cpp
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@ -1387,7 +1387,7 @@ int parse_execution_context_t::line_offset_of_character_at_offset(size_t offset)
const wchar_t *str = pstree->src.c_str();
if (offset > cached_lineno_offset) {
size_t i;
for (i = cached_lineno_offset; str[i] != L'\0' && i < offset; i++) {
for (i = cached_lineno_offset; i < offset && str[i] != L'\0'; i++) {
// Add one for every newline we find in the range [cached_lineno_offset, offset).
if (str[i] == L'\n') {
cached_lineno_count++;