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/*
* cbfstool
*
* Copyright (C) 2009 Myles Watson <mylesgw@gmail.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; version 2 of the License.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
*/
#include <ctype.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include "cbfstool.h"
static int extract_blob(struct rom *rom, const char *filename, const char *name)
{
void *buf;
int fd, ret;
unsigned long size;
ret = rom_extract(rom, name, &buf, &size);
if (ret == -1)
return -1;
fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
if (fd == -1) {
ERROR("Could not open %s: %m\n", filename);
return -1;
}
if (write(fd, buf, size) != size) {
ERROR("Couldn't write %ld bytes!\n", size);
ret = -1;
}
close(fd);
return ret;
}
void extract_usage(void)
{
printf("extract [FILE] [NAME] \textract a component\n");
}
int extract_handler(struct rom *rom, int argc, char **argv)
{
if (argc < 2) {
extract_usage();
return -1;
}
if (!rom_exists(rom)) {
ERROR("Can't find the ROM!\n");
return -1;
}
return extract_blob(rom, argv[0], argv[1]);
}
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