mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
synced 2024-12-26 12:23:40 +08:00
5c0c4d1aeb
Fix following with GCC version 4.8.2 (Debian 4.8.2-21):
tools/hex2hcd.c: In function ‘main’:
tools/hex2hcd.c:118:19: error: comparison between signed and
unsigned integer expressions [-Werror=sign-compare]
for (i = 0; i < hex_to_int(rbuf + 1); i++) {
^
cc1: all warnings being treated as errors
144 lines
3.2 KiB
C
144 lines
3.2 KiB
C
/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2012 Canonical
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*
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#define RBUF_SIZE 640
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static unsigned int asc_to_int(char a)
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{
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if (a >= 'A')
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return (a - 'A') + 10;
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else
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return a - '0';
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}
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static unsigned int hex_to_int(const char *h)
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{
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return asc_to_int(*h) * 0x10 + asc_to_int(*(h + 1));
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}
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static unsigned int lhex_to_int(const char *h)
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{
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return hex_to_int(h) * 0x100 + hex_to_int(h + 2);
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}
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static int check_sum(const char *str, int len)
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{
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unsigned int sum, cal;
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int i;
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sum = hex_to_int(str + len - 2);
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for (cal = 0, i = 1; i < len - 2; i += 2)
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cal += hex_to_int(str + i);
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cal = 0x100 - (cal & 0xFF);
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return sum == cal;
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}
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static int check_hex_line(const char *str, unsigned int len)
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{
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if ((str[0] != ':') || (len < 11) || !check_sum(str, len) ||
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(hex_to_int(str + 1) * 2 + 11 != len))
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return 0;
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return 1;
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}
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int main(int argc, char *argv[])
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{
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unsigned int i, addr = 0;
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FILE *ifp, *ofp;
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char *rbuf;
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ssize_t len;
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size_t buflen;
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if (argc != 3) {
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printf("Usage: %s <input hex file> <output file>\n", argv[0]);
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return 0;
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}
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ifp = fopen(argv[1], "r");
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ofp = fopen(argv[2], "w");
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if ((ifp == NULL) || (ofp == NULL)) {
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puts("failed to open file.");
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return -EIO;
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}
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rbuf = NULL;
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while ((len = getline(&rbuf, &buflen, ifp)) > 0) {
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int type;
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char obuf[7];
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unsigned int dest_addr;
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while ((rbuf[len - 1] == '\r') || (rbuf[len - 1] == '\n'))
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len--;
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printf("%d, %s\n", (int)len, rbuf);
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if (!check_hex_line(rbuf, len))
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break;
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type = hex_to_int(rbuf + 7);
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switch (type) {
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case 4:
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addr = lhex_to_int(rbuf + 9) * 0x10000;
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printf("bump addr to 0x%08X\n", addr);
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break;
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case 0:
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dest_addr = addr + lhex_to_int(rbuf + 3);
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obuf[0] = 0x4c;
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obuf[1] = 0xfc;
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obuf[2] = hex_to_int(rbuf + 1) + 4;
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obuf[3] = dest_addr;
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obuf[4] = dest_addr >> 8;
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obuf[5] = dest_addr >> 16;
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obuf[6] = dest_addr >> 24;
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if (fwrite(obuf, 7, 1, ofp) != 1)
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goto output_err;
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for (i = 0; i < hex_to_int(rbuf + 1); i++) {
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obuf[0] = hex_to_int(rbuf + 9 + i * 2);
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if (fwrite(obuf, 1, 1, ofp) != 1)
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goto output_err;
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}
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break;
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case 1:
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if (fwrite("\x4e\xfc\x04\xff\xff\xff\xff", 7, 1, ofp) != 1)
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goto output_err;
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goto end;
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default:
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return -EINVAL;
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}
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}
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puts("hex file formatting error");
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return -EINVAL;
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output_err:
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puts("error on writing output file");
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return -EIO;
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end:
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return 0;
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}
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