/*

* hexembed - a simple utility to help embed files in C programs

*

* Copyright (c) 2010-2018 Lewis Van Winkle

*

* http://CodePlea.com

*

* This software is provided 'as-is', without any express or implied

* warranty. In no event will the authors be held liable for any damages

* arising from the use of this software.

*

* Permission is granted to anyone to use this software for any purpose,

* including commercial applications, and to alter it and redistribute it

* freely, subject to the following restrictions:

*

* 1. The origin of this software must not be misrepresented; you must not

* claim that you wrote the original software. If you use this software

* in a product, an acknowledgement in the product documentation would be

* appreciated but is not required.

* 2. Altered source versions must be plainly marked as such, and must not be

* misrepresented as being the original software.

* 3. This notice may not be removed or altered from any source distribution.

*

*/

#include <stdio.h>

#include <stdlib.h>

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

if (argc < 2) {printf("Usage:\n\thexembed <filename>\n"); return 1;}

const char *fname = argv[1];

FILE *fp = fopen(fname, "rb");

if (!fp) {

fprintf(stderr, "Error opening file: %s.\n", fname);

return 1;

}

fseek(fp, 0, SEEK_END);

const int fsize = ftell(fp);

fseek(fp, 0, SEEK_SET);

unsigned char *b = malloc(fsize);

fread(b, fsize, 1, fp);

fclose(fp);

printf("/* Embedded file: %s */\n", fname);

printf("const int fsize = %d;\n", fsize);

printf("const unsigned char *file = {\n");

int i;

for (i = 0; i < fsize; ++i) {

printf("0x%02x%s",

b[i],

i == fsize-1 ? "" : ((i+1) % 16 == 0 ? ",\n" : ","));

}

printf("\n};\n");

free(b);

return 0;

}