| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2007 Dave Chapman |
| * |
| * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ****************************************************************************/ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <stdlib.h> |
| |
| #ifndef O_BINARY |
| #define O_BINARY 0 |
| #endif |
| |
| static off_t filesize(int fd) |
| { |
| struct stat buf; |
| |
| fstat(fd,&buf); |
| return buf.st_size; |
| } |
| |
| static int write_cfile(unsigned char* buf, off_t len, char* cname) |
| { |
| char filename[256]; |
| FILE* fp; |
| int i; |
| |
| snprintf(filename,256,"%s.c",cname); |
| |
| fp = fopen(filename,"w+"); |
| if (fp == NULL) { |
| fprintf(stderr,"Couldn't open %s\n",filename); |
| return -1; |
| } |
| |
| fprintf(fp,"/* Generated by ipod2c */\n\n"); |
| fprintf(fp,"unsigned char %s[] = {",cname); |
| |
| for (i=0;i<len;i++) { |
| if ((i % 16) == 0) { |
| fprintf(fp,"\n "); |
| } |
| if (i == (len-1)) { |
| fprintf(fp,"0x%02x",buf[i]); |
| } else { |
| fprintf(fp,"0x%02x, ",buf[i]); |
| } |
| } |
| fprintf(fp,"\n};\n"); |
| |
| fclose(fp); |
| return 0; |
| } |
| |
| static int write_hfile(unsigned char* buf, off_t len, char* cname) |
| { |
| char filename[256]; |
| FILE* fp; |
| (void)buf; |
| |
| snprintf(filename,256,"%s.h",cname); |
| fp = fopen(filename,"w+"); |
| if (fp == NULL) { |
| fprintf(stderr,"Couldn't open %s\n",filename); |
| return -1; |
| } |
| |
| fprintf(fp,"/* Generated by ipod2c */\n\n"); |
| fprintf(fp,"#define LEN_%s %d\n",cname,(int)len); |
| fprintf(fp,"extern unsigned char %s[];\n",cname); |
| fclose(fp); |
| return 0; |
| } |
| |
| int main (int argc, char* argv[]) |
| { |
| char* infile; |
| char* cname; |
| int fd; |
| unsigned char* buf; |
| int len; |
| int n; |
| |
| if (argc != 3) { |
| fprintf(stderr,"Usage: ipod2c file.ipod cname\n"); |
| return 0; |
| } |
| |
| infile=argv[1]; |
| cname=argv[2]; |
| |
| fd = open(infile,O_RDONLY|O_BINARY); |
| if (fd < 0) { |
| fprintf(stderr,"Can not open %s\n",infile); |
| return 0; |
| } |
| |
| len = filesize(fd) - 8; |
| |
| n = lseek(fd,8,SEEK_SET); |
| if (n != 8) { |
| fprintf(stderr,"Seek failed\n"); |
| return 0; |
| } |
| |
| buf = malloc(len); |
| n = read(fd,buf,len); |
| if (n < len) { |
| fprintf(stderr,"Short read, aborting\n"); |
| return 0; |
| } |
| close(fd); |
| |
| if (write_cfile(buf,len,cname) < 0) { |
| return -1; |
| } |
| if (write_hfile(buf,len,cname) < 0) { |
| return -1; |
| } |
| |
| return 0; |
| } |