71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
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/* __gmp_asprintf_memory etc -- formatted output to allocated space.
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Copyright 2001, 2002 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* These routines are in a separate file so that the mpz_t, mpq_t and mpf_t
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operator<< routines can avoid dragging vsnprintf into the link (via
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__gmp_asprintf_format). */
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#include "config.h"
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#if HAVE_STDARG
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "gmp.h"
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#include "gmp-impl.h"
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int
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__gmp_asprintf_memory (struct gmp_asprintf_t *d, const char *str, size_t len)
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{
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GMP_ASPRINTF_T_NEED (d, len);
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memcpy (d->buf + d->size, str, len);
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d->size += len;
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return len;
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}
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int
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__gmp_asprintf_reps (struct gmp_asprintf_t *d, int c, int reps)
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{
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GMP_ASPRINTF_T_NEED (d, reps);
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memset (d->buf + d->size, c, reps);
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d->size += reps;
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return reps;
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}
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int
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__gmp_asprintf_final (struct gmp_asprintf_t *d)
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{
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char *buf = d->buf;
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ASSERT (d->alloc >= d->size + 1);
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buf[d->size] = '\0';
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__GMP_REALLOCATE_FUNC_MAYBE_TYPE (buf, d->alloc, d->size+1, char);
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*d->result = buf;
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return 0;
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}
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