WinPort/src/APIPrintFormat.cpp

   1 #include <mutex>
   2 #include "WinPort.h"
   3 #include "WinPortHandle.h"
   4 #include "PathHelpers.h"
   5
   6 SHAREDSYMBOL int vswprintf_ws2ls(wchar_t * ws, size_t len, const wchar_t * format, va_list arg )
   7 {
   8         std::wstring converted_format;
   9         for (bool percent = false; *format; ++format) {
  10                 if (percent) {
  11                         if (*format==L's') {
  12                                 if (!converted_format.empty()) {
  13                                         if (converted_format.back() == L'w')
  14                                                 converted_format.back() = L'l';
  15                                         else if (converted_format.back() == L'h')
  16                                                 converted_format.pop_back();
  17                                         else
  18                                                 converted_format+= L'l';
  19                                 } else
  20                                         converted_format+= L'l';
  21                         }
  22                         if (wcschr(L"diouxXeEfFgGcCsSpnm%", *format)) {
  23                                 percent = false;
  24                         }
  25                 } else if (*format==L'%') {
  26                         percent = true;
  27                 }
  28                 converted_format+= *format;
  29         }
  30
  31         return vswprintf(ws, len, converted_format.c_str(), arg );
  32 }
  33
  34
  35 SHAREDSYMBOL int swprintf_ws2ls (wchar_t* ws, size_t len, const wchar_t* format, ...)
  36 {
  37         va_list arg;
  38         va_start(arg,format);
  39         int r = vswprintf_ws2ls(ws, len, format, arg );
  40         va_end(arg);
  41         return r;
  42 }