diff options
Diffstat (limited to 'indra/llcommon/llstring.cpp')
| -rw-r--r-- | indra/llcommon/llstring.cpp | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/indra/llcommon/llstring.cpp b/indra/llcommon/llstring.cpp index 9a02fecd72..42390c8a7b 100644 --- a/indra/llcommon/llstring.cpp +++ b/indra/llcommon/llstring.cpp @@ -30,6 +30,7 @@ #include "llerror.h" #include "llfasttimer.h" #include "llsd.h" +#include <vector> #if LL_WINDOWS #include "llwin32headerslean.h" @@ -672,6 +673,11 @@ namespace snprintf_hack } } +std::string ll_convert_wide_to_string(const wchar_t* in) +{ + return ll_convert_wide_to_string(in, CP_UTF8); +} + std::string ll_convert_wide_to_string(const wchar_t* in, unsigned int code_page) { std::string out; @@ -709,7 +715,12 @@ std::string ll_convert_wide_to_string(const wchar_t* in, unsigned int code_page) return out; } -wchar_t* ll_convert_string_to_wide(const std::string& in, unsigned int code_page) +std::basic_string<wchar_t> ll_convert_string_to_wide(const std::string& in) +{ + return ll_convert_string_to_wide(in, CP_UTF8); +} + +std::basic_string<wchar_t> ll_convert_string_to_wide(const std::string& in, unsigned int code_page) { // From review: // We can preallocate a wide char buffer that is the same length (in wchar_t elements) as the utf8 input, @@ -719,24 +730,25 @@ wchar_t* ll_convert_string_to_wide(const std::string& in, unsigned int code_page // but we *are* seeing string operations taking a bunch of time, especially when constructing widgets. // int output_str_len = MultiByteToWideChar(code_page, 0, in.c_str(), in.length(), NULL, 0); - // reserve place to NULL terminator - int output_str_len = in.length(); - wchar_t* w_out = new wchar_t[output_str_len + 1]; + // reserve an output buffer that will be destroyed on exit, with a place + // to put NULL terminator + std::vector<wchar_t> w_out(in.length() + 1); - memset(w_out, 0, output_str_len + 1); - int real_output_str_len = MultiByteToWideChar (code_page, 0, in.c_str(), in.length(), w_out, output_str_len); + memset(&w_out[0], 0, w_out.size()); + int real_output_str_len = MultiByteToWideChar(code_page, 0, in.c_str(), in.length(), + &w_out[0], w_out.size() - 1); //looks like MultiByteToWideChar didn't add null terminator to converted string, see EXT-4858. w_out[real_output_str_len] = 0; - return w_out; + // construct string<wchar_t> from our temporary output buffer + return {&w_out[0]}; } std::string ll_convert_string_to_utf8_string(const std::string& in) { - wchar_t* w_mesg = ll_convert_string_to_wide(in, CP_ACP); - std::string out_utf8(ll_convert_wide_to_string(w_mesg, CP_UTF8)); - delete[] w_mesg; + auto w_mesg = ll_convert_string_to_wide(in, CP_ACP); + std::string out_utf8(ll_convert_wide_to_string(w_mesg.c_str(), CP_UTF8)); return out_utf8; } |