/* Converts a binary file into a C integer array (for inclusion in

   a source file) 

   (c)2000 Dan Potter

   $Id$

   Note: Licensed under the new BSD license, see README.KOS  -NK

*/

#include <stdio.h>

void convert(char *ifn, char *ofn, char *prefix) {

	FILE *i, *o;

	unsigned char buffer[2048];

	int red, left, lc, q;

	char buf[BUFSIZ];

	i = fopen(ifn, "rb");

	o = fopen(ofn, "w");

	if (!i || !o) {

		printf("error: can't open input or output file\n");

		return;

	}

	fseek(i, 0, SEEK_END); left = ftell(i); fseek(i, 0, SEEK_SET);

	setbuf(o, buf);

	fprintf(o, "const int %s_size = %d;\n", prefix, left);

	fprintf(o, "const unsigned char %s_data[%d] =", prefix, left);

	fprintf(o, "{\n\t");

	lc = 0;

	while(left > 0) {

		red = fread(buffer, 1, 2048, i);

		left -= red;

		for (q=0; q<red; q++) {

			fprintf(o, "0x%02x, ", buffer[q]);

			if ((++lc) >= 8) {

				lc = 0;

				fprintf(o, "\n\t");

			}

		}

	}

	fprintf(o, "\n};\n");

	fclose(i); fclose(o);

}

int main(int argc, char **argv) {

	char *prefix;

	argc--;

	if (argc != 2 && argc != 3) {

		printf("usage: bin2c <input> <output> [prefix]\n");

		return 0;

	}

	prefix = (argc == 3) ? argv[3] : "file";

	convert(argv[1], argv[2], prefix);

	return 0;

}