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Fix potential out-of-bounds access.

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This commit is contained in:
Thomas Harte 2024-09-30 13:37:44 -04:00
parent e650f3772a
commit 0d0e1083e6
1 changed files with 1 additions and 1 deletions
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Machines/Utility/Typer.cpp
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@ -59,7 +59,7 @@ void Typer::append(const std::string &string) {
// If the final character in the string is not Typer::EndString // If the final character in the string is not Typer::EndString
// then this machine doesn't need Begin and End, so don't worry about it. // then this machine doesn't need Begin and End, so don't worry about it.
ssize_t insertion_position = ssize_t(string_.size()); ssize_t insertion_position = ssize_t(string_.size());
if(string_.back() == Typer::EndString) --insertion_position; if(!string_.empty() && string_.back() == Typer::EndString) --insertion_position;
string_.reserve(string_.size() + string.size()); string_.reserve(string_.size() + string.size());
for(const char c : string) { for(const char c : string) {