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
   9 #include <precomp.h>
  10
  11 /*
  12  * @implemented
  13  */
  14 int
  15 _cprintf(const char *fmt, ...)
  16 {
  17   char buf[2048], *mem = buf;
  18   int written, resize = sizeof(buf), retval;
  19   va_list valist;
  20
  21   va_start( valist, fmt );
  22
  23   while ((written = _vsnprintf( mem, resize, fmt, valist )) == -1 ||
  24           written > resize)
  25   {
  26     resize = (written == -1 ? resize * 2 : written + 1);
  27     if (mem != buf)
  28        free (mem);
  29     if (!(mem = (char *)malloc(resize)))
  30       return  EOF;
  31
  32     va_end ( valist );
  33     va_start( valist, fmt );
  34   }
  35   va_end ( valist );
  36   retval = _cputs( mem );
  37   if (mem != buf)
  38       free (mem);
  39   return retval;
  40 }