| author | erik <erik> | 2007-01-24 23:29:42 (UTC) |
|---|---|---|
| committer | erik <erik> | 2007-01-24 23:29:42 (UTC) |
| commit | 0076a11b467dce1233194ce228287a2a127b1f5d (patch) (unidiff) | |
| tree | f2136a1a3e9b5fd6bede52251ed7249365838752 /noncore/settings/sysinfo | |
| parent | 48d9219a96096cf44df8ac24413b36d1b718b1d5 (diff) | |
| download | opie-0076a11b467dce1233194ce228287a2a127b1f5d.zip opie-0076a11b467dce1233194ce228287a2a127b1f5d.tar.gz opie-0076a11b467dce1233194ce228287a2a127b1f5d.tar.bz2 | |
Each file in this commit has the issue where it is possible for code to
overrun static buffers. This could lead to serious problems. Granted it
is almost impossible to do that. But it isn't totally impossible. So this
commit makes it impossible to overrun.
| -rw-r--r-- | noncore/settings/sysinfo/contrib/fft.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/noncore/settings/sysinfo/contrib/fft.c b/noncore/settings/sysinfo/contrib/fft.c index 01a1b26..60ee27d 100644 --- a/noncore/settings/sysinfo/contrib/fft.c +++ b/noncore/settings/sysinfo/contrib/fft.c | |||
| @@ -8,49 +8,49 @@ | |||
| 8 | // of the License, or (at your option) any later version. | 8 | // of the License, or (at your option) any later version. |
| 9 | // | 9 | // |
| 10 | // This program is distributed in the hope that it will be useful, | 10 | // This program is distributed in the hope that it will be useful, |
| 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | // GNU General Public License for more details. | 13 | // GNU General Public License for more details. |
| 14 | // | 14 | // |
| 15 | // You should have received a copy of the GNU General Public License | 15 | // You should have received a copy of the GNU General Public License |
| 16 | // along with this program; if not, write to the Free Software | 16 | // along with this program; if not, write to the Free Software |
| 17 | // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | 17 | // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 18 | // | 18 | // |
| 19 | // | 19 | // |
| 20 | // Author : Satoshi ( af230533@im07.alpha-net.ne.jp ) | 20 | // Author : Satoshi ( af230533@im07.alpha-net.ne.jp ) |
| 21 | // ****************************************************************** | 21 | // ****************************************************************** |
| 22 | 22 | ||
| 23 | //*********************************************************************** | 23 | //*********************************************************************** |
| 24 | // ¹â®¥Õ¡¼¥ê¥¨ÊÑ´¹¡Ê£Æ£Æ£Ô¡Ë | 24 | // ¹â®¥Õ¡¼¥ê¥¨ÊÑ´¹¡Ê£Æ£Æ£Ô¡Ë |
| 25 | // ¹¹¤Ë¥¹¥Ô¡¼¥É¡¦¥¢¥Ã¥×¤¹¤ë¤Ë¤Ï£Ã£Ï£Ó¤ò¸ÇÄê¤Ç»ý¤Ä¤³¤È¡ª | 25 | // ¹¹¤Ë¥¹¥Ô¡¼¥É¡¦¥¢¥Ã¥×¤¹¤ë¤Ë¤Ï£Ã£Ï£Ó¤ò¸ÇÄê¤Ç»ý¤Ä¤³¤È¡ª |
| 26 | // | 26 | // |
| 27 | // Copyright (C) Satoshi 1994-2002 All rights reserved. | 27 | // Copyright (C) Satoshi 1994-2002 All rights reserved. |
| 28 | // *********************************************************************** | 28 | // *********************************************************************** |
| 29 | 29 | ||
| 30 | #include <math.h> | 30 | #include <math.h> |
| 31 | 31 | ||
| 32 | #define FFT_TEST_COUNT 500 // Bench FFT | 32 | #define FFT_TEST_COUNT 332 // Bench FFT |
| 33 | 33 | ||
| 34 | // ----------------------------------------------------- FFT | 34 | // ----------------------------------------------------- FFT |
| 35 | #define OBJ_DATA_COUNT 128 | 35 | #define OBJ_DATA_COUNT 128 |
| 36 | #define OBJ_DATA_SISU 7 // 128 = 2 ** 7 | 36 | #define OBJ_DATA_SISU 7 // 128 = 2 ** 7 |
| 37 | #define OBJ_DATA_SLIDE 1 | 37 | #define OBJ_DATA_SLIDE 1 |
| 38 | 38 | ||
| 39 | #define FFT_TRN 1 | 39 | #define FFT_TRN 1 |
| 40 | #define IFFT_TRN -1 | 40 | #define IFFT_TRN -1 |
| 41 | 41 | ||
| 42 | typedef struct _fft { | 42 | typedef struct _fft { |
| 43 | int N; // ¥Ç¥¸¥¿¥ë¡¦¥Ç¡¼¥¿·ï¿ô | 43 | int N; // ¥Ç¥¸¥¿¥ë¡¦¥Ç¡¼¥¿·ï¿ô |
| 44 | int r; // N = 2^r | 44 | int r; // N = 2^r |
| 45 | double* result_A; // ¥µ¥ó¥×¥ê¥ó¥°¥Ç¡¼¥¿¤ò¤³¤³¤Ë¥»¥Ã¥È¤¹¤ë | 45 | double* result_A; // ¥µ¥ó¥×¥ê¥ó¥°¥Ç¡¼¥¿¤ò¤³¤³¤Ë¥»¥Ã¥È¤¹¤ë |
| 46 | // cos À®Ê¬¡Äµá¤á¤ë¥¹¥Ú¥¯¥È¥ëÀ®Ê¬¤Î¿ôʬ¤ÎÎΰ褬ɬÍ× | 46 | // cos À®Ê¬¡Äµá¤á¤ë¥¹¥Ú¥¯¥È¥ëÀ®Ê¬¤Î¿ôʬ¤ÎÎΰ褬ɬÍ× |
| 47 | double* result_B; // sin À®Ê¬¡Äµá¤á¤ë¥¹¥Ú¥¯¥È¥ëÀ®Ê¬¤Î¿ôʬ¤ÎÎΰ褬ɬÍ× | 47 | double* result_B; // sin À®Ê¬¡Äµá¤á¤ë¥¹¥Ú¥¯¥È¥ëÀ®Ê¬¤Î¿ôʬ¤ÎÎΰ褬ɬÍ× |
| 48 | } FFT; | 48 | } FFT; |
| 49 | #define FFT_SIZE sizeof( FFT ) | 49 | #define FFT_SIZE sizeof( FFT ) |
| 50 | 50 | ||
| 51 | 51 | ||
| 52 | void digital_fft( FFT* fft ); | 52 | void digital_fft( FFT* fft ); |
| 53 | 53 | ||
| 54 | 54 | ||
| 55 | double SpectA[OBJ_DATA_COUNT]; | 55 | double SpectA[OBJ_DATA_COUNT]; |
| 56 | double SpectB[OBJ_DATA_COUNT]; | 56 | double SpectB[OBJ_DATA_COUNT]; |