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fix: ignore whitespace around config keys and values

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"client_location = ../client " or a value with a trailing space is a
common setup mistake that surfaces much later as an unrelated error (a
missing client folder, a failed database login). Keys and values are now
trimmed of spaces, tabs and line endings when the ini is read, which
also covers the \r of files saved with Windows line endings. Spaces
inside a value are kept, and lines with an empty key are ignored.

Verified with a new unit test that loads an ini with padded keys and
values.

Refs #1113

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Aaron Kimbrell
2026-09-26 18:42:13 -05:00
parent d671d26635
commit 040d7ec067
2 changed files with 38 additions and 5 deletions
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18
dCommon/dConfig.cpp
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@@ -128,11 +128,19 @@ void dConfig::SetDatabaseSync(std::function<void(dConfig&)> sync) {
void dConfig::ProcessLine(const std::string& line, const std::string& file, const std::string& description) {
auto splitLoc = line.find('=');
if (splitLoc == std::string::npos) return;
auto key = line.substr(0, splitLoc);
auto value = line.substr(splitLoc + 1);
//Make sure that on Linux, we remove special characters:
if (!value.empty() && value.at(value.size() - 1) == '\r') value.erase(value.size() - 1);
// Stray spaces around keys and values (for example "client_location = ../client ") are a
// common setup mistake that otherwise surfaces as an unrelated error much later, so drop them.
// This also removes the \r left at the end of lines of a file saved with Windows line endings.
const auto trim = [](std::string_view str) {
constexpr std::string_view whitespace = " \t\r\n";
const auto start = str.find_first_not_of(whitespace);
if (start == std::string_view::npos) return std::string{};
const auto end = str.find_last_not_of(whitespace);
return std::string{ str.substr(start, end - start + 1) };
};
const auto key = trim(std::string_view(line).substr(0, splitLoc));
const auto value = trim(std::string_view(line).substr(splitLoc + 1));
if (key.empty()) return;
if (this->m_ConfigValues.find(key) != this->m_ConfigValues.end()) return;