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-rw-r--r--src/helper/binarybuffer.c418
1 files changed, 0 insertions, 418 deletions
diff --git a/src/helper/binarybuffer.c b/src/helper/binarybuffer.c
deleted file mode 100644
index c1e6322..0000000
--- a/src/helper/binarybuffer.c
+++ /dev/null
@@ -1,418 +0,0 @@
-/***************************************************************************
- * Copyright (C) 2004, 2005 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * Copyright (C) 2007,2008 Øyvind Harboe *
- * oyvind.harboe@zylin.com *
- * *
- * 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, see <http://www.gnu.org/licenses/>. *
- ***************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "log.h"
-#include "binarybuffer.h"
-
-static const unsigned char bit_reverse_table256[] = {
- 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
- 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
- 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
- 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
- 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
- 0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA, 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
- 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
- 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE, 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE,
- 0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1, 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
- 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
- 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5, 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
- 0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED, 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
- 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
- 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB, 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
- 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
- 0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF
-};
-
-void *buf_cpy(const void *from, void *_to, unsigned size)
-{
- if (NULL == from || NULL == _to)
- return NULL;
-
- /* copy entire buffer */
- memcpy(_to, from, DIV_ROUND_UP(size, 8));
-
- /* mask out bits that don't belong to the buffer */
- unsigned trailing_bits = size % 8;
- if (trailing_bits) {
- uint8_t *to = _to;
- to[size / 8] &= (1 << trailing_bits) - 1;
- }
- return _to;
-}
-
-static bool buf_cmp_masked(uint8_t a, uint8_t b, uint8_t m)
-{
- return (a & m) != (b & m);
-}
-static bool buf_cmp_trailing(uint8_t a, uint8_t b, uint8_t m, unsigned trailing)
-{
- uint8_t mask = (1 << trailing) - 1;
- return buf_cmp_masked(a, b, mask & m);
-}
-
-bool buf_cmp(const void *_buf1, const void *_buf2, unsigned size)
-{
- if (!_buf1 || !_buf2)
- return _buf1 != _buf2;
-
- unsigned last = size / 8;
- if (memcmp(_buf1, _buf2, last) != 0)
- return false;
-
- unsigned trailing = size % 8;
- if (!trailing)
- return false;
-
- const uint8_t *buf1 = _buf1, *buf2 = _buf2;
- return buf_cmp_trailing(buf1[last], buf2[last], 0xff, trailing);
-}
-
-bool buf_cmp_mask(const void *_buf1, const void *_buf2,
- const void *_mask, unsigned size)
-{
- if (!_buf1 || !_buf2)
- return _buf1 != _buf2 || _buf1 != _mask;
-
- const uint8_t *buf1 = _buf1, *buf2 = _buf2, *mask = _mask;
- unsigned last = size / 8;
- for (unsigned i = 0; i < last; i++) {
- if (buf_cmp_masked(buf1[i], buf2[i], mask[i]))
- return true;
- }
- unsigned trailing = size % 8;
- if (!trailing)
- return false;
- return buf_cmp_trailing(buf1[last], buf2[last], mask[last], trailing);
-}
-
-
-void *buf_set_ones(void *_buf, unsigned size)
-{
- uint8_t *buf = _buf;
- if (!buf)
- return NULL;
-
- memset(buf, 0xff, size / 8);
-
- unsigned trailing_bits = size % 8;
- if (trailing_bits)
- buf[size / 8] = (1 << trailing_bits) - 1;
-
- return buf;
-}
-
-void *buf_set_buf(const void *_src, unsigned src_start,
- void *_dst, unsigned dst_start, unsigned len)
-{
- const uint8_t *src = _src;
- uint8_t *dst = _dst;
- unsigned i, sb, db, sq, dq, lb, lq;
-
- sb = src_start / 8;
- db = dst_start / 8;
- sq = src_start % 8;
- dq = dst_start % 8;
- lb = len / 8;
- lq = len % 8;
-
- src += sb;
- dst += db;
-
- /* check if both buffers are on byte boundary and
- * len is a multiple of 8bit so we can simple copy
- * the buffer */
- if ((sq == 0) && (dq == 0) && (lq == 0)) {
- for (i = 0; i < lb; i++)
- *dst++ = *src++;
- return _dst;
- }
-
- /* fallback to slow bit copy */
- for (i = 0; i < len; i++) {
- if (((*src >> (sq&7)) & 1) == 1)
- *dst |= 1 << (dq&7);
- else
- *dst &= ~(1 << (dq&7));
- if (sq++ == 7) {
- sq = 0;
- src++;
- }
- if (dq++ == 7) {
- dq = 0;
- dst++;
- }
- }
-
- return _dst;
-}
-
-uint32_t flip_u32(uint32_t value, unsigned int num)
-{
- uint32_t c = (bit_reverse_table256[value & 0xff] << 24) |
- (bit_reverse_table256[(value >> 8) & 0xff] << 16) |
- (bit_reverse_table256[(value >> 16) & 0xff] << 8) |
- (bit_reverse_table256[(value >> 24) & 0xff]);
-
- if (num < 32)
- c = c >> (32 - num);
-
- return c;
-}
-
-static int ceil_f_to_u32(float x)
-{
- if (x < 0) /* return zero for negative numbers */
- return 0;
-
- uint32_t y = x; /* cut off fraction */
-
- if ((x - y) > 0.0) /* if there was a fractional part, increase by one */
- y++;
-
- return y;
-}
-
-char *buf_to_str(const void *_buf, unsigned buf_len, unsigned radix)
-{
- float factor;
- switch (radix) {
- case 16:
- factor = 2.0; /* log(256) / log(16) = 2.0 */
- break;
- case 10:
- factor = 2.40824; /* log(256) / log(10) = 2.40824 */
- break;
- case 8:
- factor = 2.66667; /* log(256) / log(8) = 2.66667 */
- break;
- default:
- return NULL;
- }
-
- unsigned str_len = ceil_f_to_u32(DIV_ROUND_UP(buf_len, 8) * factor);
- char *str = calloc(str_len + 1, 1);
-
- const uint8_t *buf = _buf;
- int b256_len = DIV_ROUND_UP(buf_len, 8);
- for (int i = b256_len - 1; i >= 0; i--) {
- uint32_t tmp = buf[i];
- if (((unsigned)i == (buf_len / 8)) && (buf_len % 8))
- tmp &= (0xff >> (8 - (buf_len % 8)));
-
- /* base-256 digits */
- for (unsigned j = str_len; j > 0; j--) {
- tmp += (uint32_t)str[j-1] * 256;
- str[j-1] = (uint8_t)(tmp % radix);
- tmp /= radix;
- }
- }
-
- const char * const DIGITS = "0123456789ABCDEF";
- for (unsigned j = 0; j < str_len; j++)
- str[j] = DIGITS[(int)str[j]];
-
- return str;
-}
-
-/** identify radix, and skip radix-prefix (0, 0x or 0X) */
-static void str_radix_guess(const char **_str, unsigned *_str_len,
- unsigned *_radix)
-{
- unsigned radix = *_radix;
- if (0 != radix)
- return;
- const char *str = *_str;
- unsigned str_len = *_str_len;
- if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X')) {
- radix = 16;
- str += 2;
- str_len -= 2;
- } else if ((str[0] == '0') && (str_len != 1)) {
- radix = 8;
- str += 1;
- str_len -= 1;
- } else
- radix = 10;
- *_str = str;
- *_str_len = str_len;
- *_radix = radix;
-}
-
-int str_to_buf(const char *str, unsigned str_len,
- void *_buf, unsigned buf_len, unsigned radix)
-{
- str_radix_guess(&str, &str_len, &radix);
-
- float factor;
- if (radix == 16)
- factor = 0.5; /* log(16) / log(256) = 0.5 */
- else if (radix == 10)
- factor = 0.41524; /* log(10) / log(256) = 0.41524 */
- else if (radix == 8)
- factor = 0.375; /* log(8) / log(256) = 0.375 */
- else
- return 0;
-
- /* copy to zero-terminated buffer */
- char *charbuf = strndup(str, str_len);
-
- /* number of digits in base-256 notation */
- unsigned b256_len = ceil_f_to_u32(str_len * factor);
- uint8_t *b256_buf = calloc(b256_len, 1);
-
- /* go through zero terminated buffer
- * input digits (ASCII) */
- unsigned i;
- for (i = 0; charbuf[i]; i++) {
- uint32_t tmp = charbuf[i];
- if ((tmp >= '0') && (tmp <= '9'))
- tmp = (tmp - '0');
- else if ((tmp >= 'a') && (tmp <= 'f'))
- tmp = (tmp - 'a' + 10);
- else if ((tmp >= 'A') && (tmp <= 'F'))
- tmp = (tmp - 'A' + 10);
- else
- continue; /* skip characters other than [0-9,a-f,A-F] */
-
- if (tmp >= radix)
- continue; /* skip digits invalid for the current radix */
-
- /* base-256 digits */
- for (unsigned j = 0; j < b256_len; j++) {
- tmp += (uint32_t)b256_buf[j] * radix;
- b256_buf[j] = (uint8_t)(tmp & 0xFF);
- tmp >>= 8;
- }
-
- }
-
- uint8_t *buf = _buf;
- for (unsigned j = 0; j < DIV_ROUND_UP(buf_len, 8); j++) {
- if (j < b256_len)
- buf[j] = b256_buf[j];
- else
- buf[j] = 0;
- }
-
- /* mask out bits that don't belong to the buffer */
- if (buf_len % 8)
- buf[(buf_len / 8)] &= 0xff >> (8 - (buf_len % 8));
-
- free(b256_buf);
- free(charbuf);
-
- return i;
-}
-
-void bit_copy_queue_init(struct bit_copy_queue *q)
-{
- INIT_LIST_HEAD(&q->list);
-}
-
-int bit_copy_queued(struct bit_copy_queue *q, uint8_t *dst, unsigned dst_offset, const uint8_t *src,
- unsigned src_offset, unsigned bit_count)
-{
- struct bit_copy_queue_entry *qe = malloc(sizeof(*qe));
- if (!qe)
- return ERROR_FAIL;
-
- qe->dst = dst;
- qe->dst_offset = dst_offset;
- qe->src = src;
- qe->src_offset = src_offset;
- qe->bit_count = bit_count;
- list_add_tail(&qe->list, &q->list);
-
- return ERROR_OK;
-}
-
-void bit_copy_execute(struct bit_copy_queue *q)
-{
- struct bit_copy_queue_entry *qe;
- struct bit_copy_queue_entry *tmp;
- list_for_each_entry_safe(qe, tmp, &q->list, list) {
- bit_copy(qe->dst, qe->dst_offset, qe->src, qe->src_offset, qe->bit_count);
- list_del(&qe->list);
- free(qe);
- }
-}
-
-void bit_copy_discard(struct bit_copy_queue *q)
-{
- struct bit_copy_queue_entry *qe;
- struct bit_copy_queue_entry *tmp;
- list_for_each_entry_safe(qe, tmp, &q->list, list) {
- list_del(&qe->list);
- free(qe);
- }
-}
-
-int unhexify(char *bin, const char *hex, int count)
-{
- int i, tmp;
-
- for (i = 0; i < count; i++) {
- if (sscanf(hex + (2 * i), "%02x", &tmp) != 1)
- return i;
- bin[i] = tmp;
- }
-
- return i;
-}
-
-int hexify(char *hex, const char *bin, int count, int out_maxlen)
-{
- int i, cmd_len = 0;
-
- /* May use a length, or a null-terminated string as input. */
- if (count == 0)
- count = strlen(bin);
-
- for (i = 0; i < count; i++)
- cmd_len += snprintf(hex + cmd_len, out_maxlen - cmd_len, "%02x", bin[i] & 0xff);
-
- return cmd_len;
-}
-
-void buffer_shr(void *_buf, unsigned buf_len, unsigned count)
-{
- unsigned i;
- unsigned char *buf = _buf;
- unsigned bytes_to_remove;
- unsigned shift;
-
- bytes_to_remove = count / 8;
- shift = count - (bytes_to_remove * 8);
-
- for (i = 0; i < (buf_len - 1); i++)
- buf[i] = (buf[i] >> shift) | ((buf[i+1] << (8 - shift)) & 0xff);
-
- buf[(buf_len - 1)] = buf[(buf_len - 1)] >> shift;
-
- if (bytes_to_remove) {
- memmove(buf, &buf[bytes_to_remove], buf_len - bytes_to_remove);
- memset(&buf[buf_len - bytes_to_remove], 0, bytes_to_remove);
- }
-}
generated by cgit v1.1 at 2026-02-04 00:53:20 +0000