blob: 1a2b9e1e14b872a6bde7e1fc17c9b5bfdc025876 [file] [log] [blame]
/* __gmp_asprintf_memory etc -- formatted output to allocated space.
Copyright 2001, 2002 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/. */
/* These routines are in a separate file so that the mpz_t, mpq_t and mpf_t
operator<< routines can avoid dragging vsnprintf into the link (via
__gmp_asprintf_format). */
#include "config.h"
#if HAVE_STDARG
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "gmp.h"
#include "gmp-impl.h"
int
__gmp_asprintf_memory (struct gmp_asprintf_t *d, const char *str, size_t len)
{
GMP_ASPRINTF_T_NEED (d, len);
memcpy (d->buf + d->size, str, len);
d->size += len;
return len;
}
int
__gmp_asprintf_reps (struct gmp_asprintf_t *d, int c, int reps)
{
GMP_ASPRINTF_T_NEED (d, reps);
memset (d->buf + d->size, c, reps);
d->size += reps;
return reps;
}
int
__gmp_asprintf_final (struct gmp_asprintf_t *d)
{
char *buf = d->buf;
ASSERT (d->alloc >= d->size + 1);
buf[d->size] = '\0';
__GMP_REALLOCATE_FUNC_MAYBE_TYPE (buf, d->alloc, d->size+1, char);
*d->result = buf;
return 0;
}