rockbox/rbutil/ipodpatcher/ipod2c.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

141 lines
3.3 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: ipodio-win32.c 12205 2007-02-05 01:20:20Z dave $
*
* 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;
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;
}