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/*
* Copyright (c) 1997-1999, 2003 Massachusetts Institute of Technology
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <stdlib.h>
#include "fftw-int.h"
/**************** import/export using file ***************/
static void file_emitter(char c, void *data)
{
putc(c, (FILE *) data);
}
void fftw_export_wisdom_to_file(FILE *output_file)
{
if (output_file)
fftw_export_wisdom(file_emitter, (void *) output_file);
}
static int file_get_input(void *data)
{
return getc((FILE *) data);
}
fftw_status fftw_import_wisdom_from_file(FILE *input_file)
{
if (!input_file)
return FFTW_FAILURE;
return fftw_import_wisdom(file_get_input, (void *) input_file);
}
/*************** import/export using string **************/
static void emission_counter(char c, void *data)
{
int *counter = (int *) data;
++*counter;
}
static void string_emitter(char c, void *data)
{
char **output_string = (char **) data;
*((*output_string)++) = c;
**output_string = 0;
}
char *fftw_export_wisdom_to_string(void)
{
int string_length = 0;
char *s, *s2;
fftw_export_wisdom(emission_counter, (void *) &string_length);
s = (char *) fftw_malloc(sizeof(char) * (string_length + 1));
if (!s)
return 0;
s2 = s;
fftw_export_wisdom(string_emitter, (void *) &s2);
if (s + string_length != s2)
fftw_die("Unexpected output string length!\n");
return s;
}
static int string_get_input(void *data)
{
char **input_string = (char **) data;
if (**input_string)
return *((*input_string)++);
else
return 0;
}
fftw_status fftw_import_wisdom_from_string(const char *input_string)
{
const char *s = input_string;
if (!input_string)
return FFTW_FAILURE;
return fftw_import_wisdom(string_get_input, (void *) &s);
}
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