collapseos/tools/bin2c.c

51 lines
1.4 KiB
C

/*
* Copyright (c) 2020 Byron Grobe
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#define BUFSZ 32
static const char intro[] = "static const unsigned char %s[] = {\n ";
int main(int argc, char **argv) {
int n;
int col = 0;
uint8_t buf[BUFSZ];
if (argc < 2) {
fprintf(stderr, "Specify a name for the data structure...\n");
return 1;
}
printf(intro, argv[1]);
while(!feof(stdin)) {
n = fread(buf, 1, BUFSZ, stdin);
for(int i = 0; i < n; ++i) {
if (col+4 >= 76) {
printf("\n ");
col = 0;
}
printf("0x%.2x, ", buf[i]);
col += 6;
}
}
printf("};\n");
}