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#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[]) {
if (argc < 3) {
fprintf(stderr, "Usage: %s <input_file> <array_name>\n", argv[0]);
return 1;
}
const char *filename = argv[1];
const char *array_name = argv[2];
FILE *f = fopen(filename, "rb");
if (!f) {
perror("fopen");
return 1;
}
fseek(f, 0, SEEK_END);
long size = ftell(f);
rewind(f);
unsigned char *buffer = malloc(size);
if (!buffer) {
perror("malloc");
fclose(f);
return 1;
}
if (fread(buffer, 1, size, f) != (size_t)size) {
perror("fread");
free(buffer);
fclose(f);
return 1;
}
// Generate include guard
printf("#ifndef %s_H\n", array_name);
printf("#define %s_H\n\n", array_name);
printf("unsigned char %s[] = {\n", array_name);
for (long i = 0; i < size; i++) {
if (i % 12 == 0) printf("\t");
printf("0x%02x", buffer[i]);
if (i != size - 1) printf(", ");
if ((i + 1) % 12 == 0) printf("\n");
}
if (size % 12 != 0) printf("\n");
printf("};\n");
printf("unsigned int %s_len = %ld;\n", array_name, size);
printf("\n#endif // %s_H\n", array_name);
free(buffer);
fclose(f);
return 0;
}
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