summaryrefslogtreecommitdiffstats
path: root/utils/tools/bin2c.c
diff options
context:
space:
mode:
Diffstat (limited to 'utils/tools/bin2c.c')
-rw-r--r--utils/tools/bin2c.c174
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;
+}