contrib/gmp/printf/obprintf.c

   1 /* gmp_obstack_printf -- formatted output to an obstack.
   2
   3 Copyright 2001, 2002 Free Software Foundation, Inc.
   4
   5 This file is part of the GNU MP Library.
   6
   7 The GNU MP Library is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU Lesser General Public License as published by
   9 the Free Software Foundation; either version 3 of the License, or (at your
  10 option) any later version.
  11
  12 The GNU MP Library is distributed in the hope that it will be useful, but
  13 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  15 License for more details.
  16
  17 You should have received a copy of the GNU Lesser General Public License
  18 along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
  19
  20 #include "config.h"
  21
  22 #if HAVE_OBSTACK_VPRINTF
  23
  24 #if HAVE_STDARG
  25 #include <stdarg.h>
  26 #else
  27 #include <varargs.h>
  28 #endif
  29
  30 #include <obstack.h>
  31 #include <string.h>
  32
  33 #include "gmp.h"
  34 #include "gmp-impl.h"
  35
  36
  37 int
  38 #if HAVE_STDARG
  39 gmp_obstack_printf (struct obstack *ob, const char *fmt, ...)
  40 #else
  41 gmp_obstack_printf (va_alist)
  42      va_dcl
  43 #endif
  44 {
  45   va_list  ap;
  46   int      ret;
  47
  48 #if HAVE_STDARG
  49   va_start (ap, fmt);
  50 #else
  51   struct obstack *ob;
  52   const char     *fmt;
  53   va_start (ap);
  54   ob = va_arg (ap, struct obstack *);
  55   fmt = va_arg (ap, const char *);
  56 #endif
  57
  58   ASSERT (! MEM_OVERLAP_P (obstack_base(ob), obstack_object_size(ob),
  59                            fmt, strlen(fmt)+1));
  60
  61   ret = __gmp_doprnt (&__gmp_obstack_printf_funs, ob, fmt, ap);
  62   va_end (ap);
  63   return ret;
  64 }
  65
  66 #endif /* HAVE_OBSTACK_VPRINTF */