usr/src/lib/libpp/common/ppprintf.c

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1986-2009 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   8 *                                                                      *
   9 *                A copy of the License is available at                 *
  10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  12 *                                                                      *
  13 *              Information and Software Systems Research               *
  14 *                            AT&T Research                             *
  15 *                           Florham Park NJ                            *
  16 *                                                                      *
  17 *                 Glenn Fowler <gsf@research.att.com>                  *
  18 *                                                                      *
  19 ***********************************************************************/
  20 #pragma prototyped
  21 /*
  22  * Glenn Fowler
  23  * AT&T Research
  24  *
  25  * preprocessor printf using ppputchar() buffering
  26  */
  27
  28 #include "pplib.h"
  29
  30 int
  31 ppprintf(char* format, ...)
  32 {
  33         va_list ap;
  34         Sfio_t* sp;
  35
  36         if (!(sp = sfnew(NiL, pp.outp, MAXTOKEN, -1, SF_WRITE|SF_STRING)))
  37                 error(3, "temporary buffer allocation error");
  38         va_start(ap, format);
  39         sfvprintf(sp, format, ap);
  40         va_end(ap);
  41         pp.outp += sfseek(sp, 0L, SEEK_CUR);
  42         ppcheckout();
  43         sfclose(sp);
  44         return 0;
  45 }