135 lines
3 KiB
C
135 lines
3 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 Dave Chapman
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#ifndef O_BINARY
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#define O_BINARY 0
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#endif
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static off_t filesize(int fd)
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{
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struct stat buf;
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fstat(fd,&buf);
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return buf.st_size;
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}
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static int write_cfile(const unsigned char* buf, off_t len, const char* cname)
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{
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char filename[256];
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FILE* fp;
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int i;
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snprintf(filename,256,"%s.c",cname);
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fp = fopen(filename,"w+");
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if (fp == NULL) {
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fprintf(stderr,"Couldn't open %s\n",filename);
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return -1;
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}
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fprintf(fp,"/* Generated by bin2c */\n\n");
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fprintf(fp,"unsigned char %s[%d] = {",cname,len);
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for (i=0;i<len;i++) {
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if ((i % 16) == 0) {
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fprintf(fp,"\n ");
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}
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if (i == (len-1)) {
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fprintf(fp,"0x%02x",buf[i]);
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} else {
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fprintf(fp,"0x%02x, ",buf[i]);
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}
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}
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fprintf(fp,"\n};\n");
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fclose(fp);
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return 0;
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}
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static int write_hfile(off_t len, const char* cname)
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{
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char filename[256];
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FILE* fp;
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snprintf(filename,256,"%s.h",cname);
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fp = fopen(filename,"w+");
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if (fp == NULL) {
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fprintf(stderr,"Couldn't open %s\n",filename);
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return -1;
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}
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fprintf(fp,"/* Generated by bin2c */\n\n");
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fprintf(fp,"extern unsigned char %s[%d];\n",cname,len);
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fclose(fp);
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return 0;
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}
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int main (int argc, char* argv[])
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{
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char* infile;
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char* cname;
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int fd;
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unsigned char* buf;
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int len;
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int n;
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if (argc != 3) {
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fprintf(stderr,"Usage: bin2c file cname\n");
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return 0;
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}
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infile=argv[1];
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cname=argv[2];
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fd = open(infile,O_RDONLY|O_BINARY);
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if (fd < 0) {
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fprintf(stderr,"Can not open %s\n",infile);
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return 0;
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}
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len = filesize(fd);
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buf = malloc(len);
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n = read(fd,buf,len);
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if (n < len) {
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fprintf(stderr,"Short read, aborting\n");
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return 0;
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}
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close(fd);
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if (write_cfile(buf,len,cname) < 0) {
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return -1;
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}
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if (write_hfile(len,cname) < 0) {
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return -1;
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}
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return 0;
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}
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