rostests/kmtests/kmtest_drv/printf_stubs.c

   1 /*
   2  * PROJECT:         ReactOS kernel-mode tests
   3  * LICENSE:         GPLv2+ - See COPYING in the top level directory
   4  * PURPOSE:         Kernel-Mode Test Suite stub functions for any-IRQL vsnprintf
   5  * PROGRAMMER:      Thomas Faber <thomas.faber@reactos.org>
   6  */
   7
   8 #undef wctomb
   9 #include <stdarg.h>
  10 #include <stdio.h>
  11 #include <wchar.h>
  12
  13 int __cdecl KmtWcToMb(char *mbchar, wchar_t wchar)
  14 {
  15     *mbchar = (char)wchar;
  16     return 1;
  17 }
  18
  19 int __cdecl streamout(FILE *stream, const char *format, va_list argptr);
  20
  21 int __cdecl KmtVSNPrintF(char *buffer, size_t count, const char *format, va_list argptr)
  22 {
  23     int result;
  24     FILE stream;
  25
  26     stream._base = (char *)buffer;
  27     stream._ptr = stream._base;
  28     stream._charbuf = 0;
  29     stream._cnt = (int)count;
  30     stream._bufsiz = 0;
  31     stream._flag = _IOSTRG | _IOWRT;
  32     stream._tmpfname = 0;
  33
  34     result = streamout(&stream, format, argptr);
  35
  36     /* Only zero terminate if there is enough space left */
  37     if (stream._cnt) *(char *)stream._ptr = '\0';
  38
  39     return result;
  40 }