diff options
Diffstat (limited to 'indra/llcommon/llstring.cpp')
-rw-r--r-- | indra/llcommon/llstring.cpp | 70 |
1 files changed, 35 insertions, 35 deletions
diff --git a/indra/llcommon/llstring.cpp b/indra/llcommon/llstring.cpp index f931103ba6..0174c411b4 100644 --- a/indra/llcommon/llstring.cpp +++ b/indra/llcommon/llstring.cpp @@ -53,40 +53,6 @@ std::string ll_safe_string(const char* in, S32 maxlen) return std::string(); } -boost::optional<std::wstring> llstring_getoptenv(const std::string& key) -{ - auto wkey = ll_convert_string_to_wide(key); - // Take a wild guess as to how big the buffer should be. - std::vector<wchar_t> buffer(1024); - auto n = GetEnvironmentVariableW(wkey.c_str(), &buffer[0], buffer.size()); - // If our initial guess was too short, n will indicate the size (in - // wchar_t's) that buffer should have been, including the terminating nul. - if (n > (buffer.size() - 1)) - { - // make it big enough - buffer.resize(n); - // and try again - n = GetEnvironmentVariableW(wkey.c_str(), &buffer[0], buffer.size()); - } - // did that (ultimately) succeed? - if (n) - { - // great, return populated boost::optional - return { &buffer[0] }; - } - - // not successful - auto last_error = GetLastError(); - // Don't bother warning for NOT_FOUND; that's an expected case - if (last_error != ERROR_ENVVAR_NOT_FOUND) - { - LL_WARNS() << "GetEnvironmentVariableW('" << key << "') failed: " - << windows_message<std::string>(last_error) << LL_ENDL; - } - // return empty boost::optional - return {}; -} - bool is_char_hex(char hex) { if((hex >= '0') && (hex <= '9')) @@ -854,6 +820,40 @@ std::wstring windows_message<std::wstring>(DWORD error) return out.str(); } +boost::optional<std::wstring> llstring_getoptenv(const std::string& key) +{ + auto wkey = ll_convert_string_to_wide(key); + // Take a wild guess as to how big the buffer should be. + std::vector<wchar_t> buffer(1024); + auto n = GetEnvironmentVariableW(wkey.c_str(), &buffer[0], buffer.size()); + // If our initial guess was too short, n will indicate the size (in + // wchar_t's) that buffer should have been, including the terminating nul. + if (n > (buffer.size() - 1)) + { + // make it big enough + buffer.resize(n); + // and try again + n = GetEnvironmentVariableW(wkey.c_str(), &buffer[0], buffer.size()); + } + // did that (ultimately) succeed? + if (n) + { + // great, return populated boost::optional + return boost::optional<std::wstring>(&buffer[0]); + } + + // not successful + auto last_error = GetLastError(); + // Don't bother warning for NOT_FOUND; that's an expected case + if (last_error != ERROR_ENVVAR_NOT_FOUND) + { + LL_WARNS() << "GetEnvironmentVariableW('" << key << "') failed: " + << windows_message<std::string>(last_error) << LL_ENDL; + } + // return empty boost::optional + return {}; +} + #else // ! LL_WINDOWS boost::optional<std::string> llstring_getoptenv(const std::string& key) @@ -862,7 +862,7 @@ boost::optional<std::string> llstring_getoptenv(const std::string& key) if (found) { // return populated boost::optional - return { found }; + return boost::optional<std::string>(found); } else { |