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Workaround for off-by-one error in whereami library

This commit is contained in:
Daniel Wolf 2016-09-11 13:17:52 +02:00
parent 2607b9a12b
commit 0ab009e17a
1 changed files with 5 additions and 2 deletions
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7
src/platformTools.cpp
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@ -19,13 +19,16 @@ path getBinPath() {
} }
// Get path // Get path
std::vector<char> buffer(pathLength); // Note: According to documentation, pathLength does *not* include the trailing zero. Actually, it does.
// In case there are situations where it doesn't, we allocate one character more.
std::vector<char> buffer(pathLength + 1);
if (wai_getExecutablePath(buffer.data(), buffer.size(), nullptr) == -1) { if (wai_getExecutablePath(buffer.data(), buffer.size(), nullptr) == -1) {
throw std::runtime_error("Error reading path."); throw std::runtime_error("Error reading path.");
} }
buffer[pathLength] = 0;
// Convert to boost::filesystem::path // Convert to boost::filesystem::path
string pathString(buffer.data(), buffer.size()); string pathString(buffer.data());
static path binPath(boost::filesystem::canonical(pathString).make_preferred()); static path binPath(boost::filesystem::canonical(pathString).make_preferred());
return binPath; return binPath;
} catch (...) { } catch (...) {