diff options
Diffstat (limited to 'utils/tools/bin2c.c')
-rw-r--r-- | utils/tools/bin2c.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/utils/tools/bin2c.c b/utils/tools/bin2c.c new file mode 100644 index 0000000000..4600746d52 --- /dev/null +++ b/utils/tools/bin2c.c @@ -0,0 +1,174 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * + * 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 <fcntl.h> +#include <stdlib.h> +#if !defined(_MSC_VER) +#include <unistd.h> +#else +#include <io.h> +#define snprintf _snprintf +#define open _open +#define close _close +#define read _read +#endif +#include <libgen.h> + +#ifndef O_BINARY +#define O_BINARY 0 +#endif + +static void usage(void) +{ + fprintf(stderr, "bin2c [options] infile cfile\n"); + fprintf(stderr, " -i ipod mode\n"); +} + + +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]; + char filebase[256]; + char* bn; + FILE* fp; + int i; + + snprintf(filename,256,"%s.c",cname); + strncpy(filebase, cname, 256); + bn = basename(filebase); + + 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[] = {",bn); + + 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]; + char filebase[256]; + char* bn; + FILE* fp; + + snprintf(filename,256,"%s.h",cname); + strncpy(filebase, cname, 256); + bn = basename(filebase); + 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,"#define LEN_%s %d\n",bn,(int)len); + fprintf(fp,"extern unsigned char %s[];\n",bn); + fclose(fp); + return 0; +} + +int main (int argc, char* argv[]) +{ + char* infile; + char* cname; + int fd; + unsigned char* buf; + int len; + int n; + int skip = 0; + int opts = 0; + + + if(argc < 2) { + usage(); + return 0; + } + if(strcmp(argv[1], "-i") == 0) { + skip = 8; + opts++; + } + if (argc < opts + 3) { + usage(); + return 0; + } + + infile=argv[opts + 1]; + cname=argv[opts + 2]; + + fd = open(infile,O_RDONLY|O_BINARY); + if (fd < 0) { + fprintf(stderr,"Can not open %s\n",infile); + return 0; + } + + len = filesize(fd) - skip; + n = lseek(fd, skip, SEEK_SET); + if (n != skip) { + 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(len,cname) < 0) { + return -1; + } + + return 0; +} |