mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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4bcc767170
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18571 3c298f89-4303-0410-b956-a3cf2f4a3e73
200 lines
3.6 KiB
C
200 lines
3.6 KiB
C
/*
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* Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <unistd.h> /* for unlink() */
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#include <libgen.h>
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#include <getopt.h> /* for getopt() */
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#include <stdarg.h>
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#include <errno.h>
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#include <sys/stat.h>
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#define DNI_HDR_LEN 128
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/*
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* Globals
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*/
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static char *ifname;
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static char *progname;
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static char *ofname;
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static char *version = "1.00.00";
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static char *region ="NA";
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static char *board_id;
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/*
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* Message macros
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*/
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#define ERR(fmt, ...) do { \
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fflush(0); \
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fprintf(stderr, "[%s] *** error: " fmt "\n", \
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progname, ## __VA_ARGS__ ); \
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} while (0)
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#define ERRS(fmt, ...) do { \
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int save = errno; \
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fflush(0); \
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fprintf(stderr, "[%s] *** error: " fmt "\n", \
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progname, ## __VA_ARGS__, strerror(save)); \
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} while (0)
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void usage(int status)
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{
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FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
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struct board_info *board;
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fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
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fprintf(stream,
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"\n"
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"Options:\n"
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" -B <board> create image for the board specified with <board>\n"
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" -i <file> read input from the file <file>\n"
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" -o <file> write output to the file <file>\n"
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" -v <version> set image version to <version>\n"
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" -r <region> set image region to <region>\n"
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" -h show this screen\n"
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);
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exit(status);
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}
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int main(int argc, char *argv[])
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{
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int res = EXIT_FAILURE;
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int buflen;
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int err;
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struct stat st;
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char *buf;
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int i;
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uint8_t csum;
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FILE *outfile, *infile;
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progname = basename(argv[0]);
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while ( 1 ) {
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int c;
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c = getopt(argc, argv, "B:i:o:v:r:h");
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if (c == -1)
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break;
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switch (c) {
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case 'B':
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board_id = optarg;
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break;
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case 'i':
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ifname = optarg;
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break;
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case 'o':
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ofname = optarg;
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break;
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case 'v':
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version = optarg;
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break;
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case 'r':
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region = optarg;
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break;
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case 'h':
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usage(EXIT_SUCCESS);
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break;
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default:
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usage(EXIT_FAILURE);
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break;
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}
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}
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if (board_id == NULL) {
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ERR("no board specified");
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goto err;
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}
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if (ifname == NULL) {
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ERR("no input file specified");
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goto err;
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}
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if (ofname == NULL) {
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ERR("no output file specified");
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goto err;
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}
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err = stat(ifname, &st);
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if (err){
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ERRS("stat failed on %s", ifname);
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goto err;
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}
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buflen = st.st_size + DNI_HDR_LEN + 1;
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buf = malloc(buflen);
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if (!buf) {
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ERR("no memory for buffer\n");
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goto err;
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}
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memset(buf, 0, DNI_HDR_LEN);
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snprintf(buf, DNI_HDR_LEN, "device:%s\nversion:V%s\nregion:%s\n",
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board_id, version, region);
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infile = fopen(ifname, "r");
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if (infile == NULL) {
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ERRS("could not open \"%s\" for reading", ifname);
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goto err_free;
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}
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errno = 0;
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fread(buf + DNI_HDR_LEN, st.st_size, 1, infile);
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if (errno != 0) {
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ERRS("unable to read from file %s", ifname);
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goto err_close_in;
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}
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csum = 0;
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for (i = 0; i < (st.st_size + DNI_HDR_LEN); i++)
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csum += buf[i];
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csum = 0xff - csum;
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buf[st.st_size + DNI_HDR_LEN] = csum;
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outfile = fopen(ofname, "w");
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if (outfile == NULL) {
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ERRS("could not open \"%s\" for writing", ofname);
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goto err_close_in;
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}
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errno = 0;
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fwrite(buf, buflen, 1, outfile);
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if (errno) {
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ERRS("unable to write to file %s", ofname);
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goto err_close_out;
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}
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res = EXIT_SUCCESS;
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out_flush:
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fflush(outfile);
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err_close_out:
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fclose(outfile);
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if (res != EXIT_SUCCESS) {
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unlink(ofname);
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}
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err_close_in:
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fclose(infile);
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err_free:
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free(buf);
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err:
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return res;
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}
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