obprntffuns.c
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上传日期:2022-08-06
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- /* __gmp_obstack_printf_funs -- support for gmp_obstack_printf and
- gmp_obstack_vprintf.
- THE FUNCTIONS IN THIS FILE ARE FOR INTERNAL USE ONLY. THEY'RE ALMOST
- CERTAIN TO BE SUBJECT TO INCOMPATIBLE CHANGES OR DISAPPEAR COMPLETELY IN
- FUTURE GNU MP RELEASES.
- Copyright 2001 Free Software Foundation, Inc.
- This file is part of the GNU MP Library.
- The GNU MP Library is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 3 of the License, or (at your
- option) any later version.
- The GNU MP Library is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- License for more details.
- You should have received a copy of the GNU Lesser General Public License
- along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
- #include "config.h"
- #if HAVE_OBSTACK_VPRINTF
- #define _GNU_SOURCE /* ask glibc <stdio.h> for obstack_vprintf */
- #if HAVE_STDARG
- #include <stdarg.h>
- #else
- #include <varargs.h>
- #endif
- #include <stdio.h> /* for obstack_vprintf */
- #include <string.h>
- #include <obstack.h>
- #include "gmp.h"
- #include "gmp-impl.h"
- static int
- gmp_obstack_memory (struct obstack *ob, const char *ptr, size_t len)
- {
- obstack_grow (ob, ptr, len);
- return len;
- }
- static int
- gmp_obstack_reps (struct obstack *ob, int c, int reps)
- {
- obstack_blank (ob, reps);
- memset ((char *) obstack_next_free(ob) - reps, c, reps);
- return reps;
- }
- const struct doprnt_funs_t __gmp_obstack_printf_funs = {
- (doprnt_format_t) obstack_vprintf,
- (doprnt_memory_t) gmp_obstack_memory,
- (doprnt_reps_t) gmp_obstack_reps
- };
- #endif /* HAVE_OBSTACK_VPRINTF */