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Diffstat (limited to 'rbutil/sansapatcher/bin2c.c')
-rw-r--r-- | rbutil/sansapatcher/bin2c.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/rbutil/sansapatcher/bin2c.c b/rbutil/sansapatcher/bin2c.c new file mode 100644 index 0000000000..4e9bd4a782 --- /dev/null +++ b/rbutil/sansapatcher/bin2c.c @@ -0,0 +1,133 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2007 Dave Chapman + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * 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: 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(buf,len,cname) < 0) { + return -1; + } + + return 0; +} |