diff options
Diffstat (limited to 'rbutil/mkamsboot/bin2c.c')
-rw-r--r-- | rbutil/mkamsboot/bin2c.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/rbutil/mkamsboot/bin2c.c b/rbutil/mkamsboot/bin2c.c new file mode 100644 index 0000000000..dce8013c31 --- /dev/null +++ b/rbutil/mkamsboot/bin2c.c @@ -0,0 +1,134 @@ +/*************************************************************************** + * __________ __ ___. + * 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(const unsigned char* buf, off_t len, const 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 bin2c */\n\n"); + fprintf(fp,"unsigned char %s[%d] = {",cname,len); + + 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(off_t len, const 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 bin2c */\n\n"); + fprintf(fp,"extern unsigned char %s[%d];\n",cname,len); + 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: bin2c file 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); + + 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(len,cname) < 0) { + return -1; + } + + return 0; +} |