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2 pj 1
/*
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 * Copyright (c) 1997-1999 Massachusetts Institute of Technology
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 */
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//#include <ports/stdio.h>
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#include <stdlib.h>
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107 pj 23
#include <fftw-int.h>
2 pj 24
 
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/**************** import/export using file ***************/
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/*
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static void file_emitter(char c, void *data)
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{
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     putc(c, (FILE *) data);
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}
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void fftw_export_wisdom_to_file(FILE *output_file)
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{
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     if (output_file)
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          fftw_export_wisdom(file_emitter, (void *) output_file);
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}
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static int file_get_input(void *data)
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{
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     return getc((FILE *) data);
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}
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fftw_status fftw_import_wisdom_from_file(FILE *input_file)
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{
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     if (!input_file)
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          return FFTW_FAILURE;
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     return fftw_import_wisdom(file_get_input, (void *) input_file);
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}
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*/
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/*************** import/export using string **************/
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static void emission_counter(char c, void *data)
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{
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     int *counter = (int *) data;
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     ++*counter;
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}
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static void string_emitter(char c, void *data)
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{
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     char **output_string = (char **) data;
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     *((*output_string)++) = c;
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     **output_string = 0;
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}
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char *fftw_export_wisdom_to_string(void)
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{
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     int string_length = 0;
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     char *s, *s2;
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     fftw_export_wisdom(emission_counter, (void *) &string_length);
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     s = (char *) fftw_malloc(sizeof(char) * (string_length + 1));
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     if (!s)
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          return 0;
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     s2 = s;
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     fftw_export_wisdom(string_emitter, (void *) &s2);
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     if (s + string_length != s2)
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          fftw_die("Unexpected output string length!");
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     return s;
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}
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static int string_get_input(void *data)
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{
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     char **input_string = (char **) data;
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     if (**input_string)
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          return *((*input_string)++);
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     else
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          return 0;
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}
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fftw_status fftw_import_wisdom_from_string(const char *input_string)
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{
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     const char *s = input_string;
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     if (!input_string)
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          return FFTW_FAILURE;
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     return fftw_import_wisdom(string_get_input, (void *) &s);
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}