lib/sdk/crt/conio/cprintf.c

   1 /*
   2  * COPYRIGHT:        Winehq
   3  * PROJECT:          wine
   4  * FILE:             msvcrt/conio/cprintf.c
   5  * PURPOSE:          C Runtime
   6  * PROGRAMMER:       Magnus Olsen (Imported from wine cvs 2006-05-23)
   7  */
   8 #ifndef USE_NEW_SPRINTF
   9
  10 #include <precomp.h>
  11
  12 /*
  13  * @implemented
  14  */
  15 int
  16 _cprintf(const char *fmt, ...)
  17 {
  18   char buf[2048], *mem = buf;
  19   int written, resize = sizeof(buf), retval;
  20   va_list valist;
  21
  22   va_start( valist, fmt );
  23
  24   while ((written = _vsnprintf( mem, resize, fmt, valist )) == -1 ||
  25           written > resize)
  26   {
  27     resize = (written == -1 ? resize * 2 : written + 1);
  28     if (mem != buf)
  29        free (mem);
  30     if (!(mem = (char *)malloc(resize)))
  31       return  EOF;
  32
  33     va_end ( valist );
  34     va_start( valist, fmt );
  35   }
  36   va_end ( valist );
  37   retval = _cputs( mem );
  38   if (mem != buf)
  39       free (mem);
  40   return retval;
  41 }
  42
  43 #endif