1/* __gmp_obstack_printf_funs -- support for gmp_obstack_printf and 2 gmp_obstack_vprintf. 3 4 THE FUNCTIONS IN THIS FILE ARE FOR INTERNAL USE ONLY. THEY'RE ALMOST 5 CERTAIN TO BE SUBJECT TO INCOMPATIBLE CHANGES OR DISAPPEAR COMPLETELY IN 6 FUTURE GNU MP RELEASES. 7 8Copyright 2001, 2018 Free Software Foundation, Inc. 9 10This file is part of the GNU MP Library. 11 12The GNU MP Library is free software; you can redistribute it and/or modify 13it under the terms of either: 14 15 * the GNU Lesser General Public License as published by the Free 16 Software Foundation; either version 3 of the License, or (at your 17 option) any later version. 18 19or 20 21 * the GNU General Public License as published by the Free Software 22 Foundation; either version 2 of the License, or (at your option) any 23 later version. 24 25or both in parallel, as here. 26 27The GNU MP Library is distributed in the hope that it will be useful, but 28WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 29or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 30for more details. 31 32You should have received copies of the GNU General Public License and the 33GNU Lesser General Public License along with the GNU MP Library. If not, 34see https://www.gnu.org/licenses/. */ 35 36#include "config.h" 37 38#if HAVE_OBSTACK_VPRINTF 39 40#define _GNU_SOURCE /* ask glibc <stdio.h> for obstack_vprintf */ 41 42#include <stdarg.h> 43#include <stdio.h> /* for obstack_vprintf */ 44#include <string.h> 45#include <obstack.h> 46 47#include "gmp-impl.h" 48 49 50static int 51gmp_obstack_memory (struct obstack *ob, const char *ptr, size_t len) 52{ 53 obstack_grow (ob, ptr, len); 54 return len; 55} 56 57static int 58gmp_obstack_reps (struct obstack *ob, int c, int reps) 59{ 60 obstack_blank (ob, reps); 61 memset ((char *) obstack_next_free(ob) - reps, c, reps); 62 return reps; 63} 64 65const struct doprnt_funs_t __gmp_obstack_printf_funs = { 66 (doprnt_format_t) obstack_vprintf, 67 (doprnt_memory_t) gmp_obstack_memory, 68 (doprnt_reps_t) gmp_obstack_reps 69}; 70 71#else 72typedef int __gmp_dummy_typedef; 73#endif /* HAVE_OBSTACK_VPRINTF */ 74