Fix resizing strings to -1 length

Fixes #4042
2021-02-01 20:16:06 +11:00 · 2021-02-01 20:16:06 +11:00 · 26cf5cd1dc
commit 26cf5cd1dc
parent 5eb2be3e6b
1 changed files with 1 additions and 1 deletions
--- a/src/command_manager.cc
+++ b/src/command_manager.cc
@ -323,7 +323,7 @@ expand_token(const Token& token, const Context& context, const ShellContext& she
            content, context, {}, ShellManager::Flags::WaitForStdout,
            shell_context).first;

-        if (str.back() == '\n')
+        if (not str.empty() and str.back() == '\n')
            str.resize(str.length() - 1, 0);

        return {str};