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cm/string_view: Prevent find access past string end

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This commit is contained in:
Sergiu Deitsch
2025-09-11 15:05:53 +02:00
parent 63328f01f8
commit 0a26c08004
1 changed files with 6 additions and 3 deletions
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5
Utilities/std/cm/bits/string_view.cxx
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@@ -85,11 +85,14 @@ int string_view::compare(size_type pos1, size_type count1, char const* s,
string_view::size_type string_view::find(string_view v, string_view::size_type string_view::find(string_view v,
size_type pos) const noexcept size_type pos) const noexcept
{ {
if (pos < size_) {
for (; pos + v.size_ <= size_; ++pos) { for (; pos + v.size_ <= size_; ++pos) {
if (std::char_traits<char>::compare(data_ + pos, v.data_, v.size_) == 0) { if (std::char_traits<char>::compare(data_ + pos, v.data_, v.size_) ==
0) {
return pos; return pos;
} }
} }
}
return npos; return npos;
} }