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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | pj | 1 | /* |
| 2 | * Copyright (c) 1997-1999 Massachusetts Institute of Technology |
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| 3 | * |
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| 4 | * This program is free software; you can redistribute it and/or modify |
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| 5 | * it under the terms of the GNU General Public License as published by |
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| 6 | * the Free Software Foundation; either version 2 of the License, or |
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| 7 | * (at your option) any later version. |
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| 8 | * |
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| 9 | * This program is distributed in the hope that it will be useful, |
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 12 | * GNU General Public License for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU General Public License |
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| 15 | * along with this program; if not, write to the Free Software |
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| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 17 | * |
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| 18 | */ |
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| 19 | |||
| 20 | //#include <ports/stdio.h> |
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| 21 | #include <stdlib.h> |
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| 22 | |||
| 107 | pj | 23 | #include <fftw-int.h> |
| 2 | pj | 24 | |
| 25 | /**************** import/export using file ***************/ |
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| 26 | /* |
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| 27 | static void file_emitter(char c, void *data) |
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| 28 | { |
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| 29 | putc(c, (FILE *) data); |
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| 30 | } |
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| 31 | |||
| 32 | void fftw_export_wisdom_to_file(FILE *output_file) |
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| 33 | { |
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| 34 | if (output_file) |
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| 35 | fftw_export_wisdom(file_emitter, (void *) output_file); |
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| 36 | } |
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| 37 | |||
| 38 | static int file_get_input(void *data) |
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| 39 | { |
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| 40 | return getc((FILE *) data); |
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| 41 | } |
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| 42 | |||
| 43 | fftw_status fftw_import_wisdom_from_file(FILE *input_file) |
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| 44 | { |
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| 45 | if (!input_file) |
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| 46 | return FFTW_FAILURE; |
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| 47 | return fftw_import_wisdom(file_get_input, (void *) input_file); |
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| 48 | } |
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| 49 | */ |
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| 50 | /*************** import/export using string **************/ |
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| 51 | |||
| 52 | static void emission_counter(char c, void *data) |
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| 53 | { |
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| 54 | int *counter = (int *) data; |
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| 55 | |||
| 56 | ++*counter; |
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| 57 | } |
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| 58 | |||
| 59 | static void string_emitter(char c, void *data) |
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| 60 | { |
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| 61 | char **output_string = (char **) data; |
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| 62 | |||
| 63 | *((*output_string)++) = c; |
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| 64 | **output_string = 0; |
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| 65 | } |
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| 66 | |||
| 67 | char *fftw_export_wisdom_to_string(void) |
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| 68 | { |
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| 69 | int string_length = 0; |
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| 70 | char *s, *s2; |
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| 71 | |||
| 72 | fftw_export_wisdom(emission_counter, (void *) &string_length); |
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| 73 | |||
| 74 | s = (char *) fftw_malloc(sizeof(char) * (string_length + 1)); |
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| 75 | if (!s) |
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| 76 | return 0; |
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| 77 | s2 = s; |
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| 78 | |||
| 79 | fftw_export_wisdom(string_emitter, (void *) &s2); |
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| 80 | |||
| 81 | if (s + string_length != s2) |
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| 82 | fftw_die("Unexpected output string length!"); |
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| 83 | |||
| 84 | return s; |
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| 85 | } |
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| 86 | |||
| 87 | static int string_get_input(void *data) |
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| 88 | { |
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| 89 | char **input_string = (char **) data; |
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| 90 | |||
| 91 | if (**input_string) |
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| 92 | return *((*input_string)++); |
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| 93 | else |
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| 94 | return 0; |
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| 95 | } |
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| 96 | |||
| 97 | fftw_status fftw_import_wisdom_from_string(const char *input_string) |
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| 98 | { |
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| 99 | const char *s = input_string; |
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| 100 | |||
| 101 | if (!input_string) |
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| 102 | return FFTW_FAILURE; |
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| 103 | return fftw_import_wisdom(string_get_input, (void *) &s); |
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| 104 | } |