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/* ----------------------------------------------------------------------- *
*
* Copyright 2010 Gene Cumm
*
* 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, Inc., 53 Temple Place Ste 330,
* Boston MA 02111-1307, USA; either version 2 of the License, or
* (at your option) any later version; incorporated herein by reference.
*
* ----------------------------------------------------------------------- */
/*
* mk-lba-img.c
*
* Makes an image that contains the LBA in every *word of every sector
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#define NUM_SECT (256*63+1)
#define BPS (512)
#define SECT_INT (BPS / sizeof(unsigned int))
typedef unsigned char uint8_t;
typedef unsigned int uint32_t;
const char DEF_FN[] = "-";
int main(int argc, char *argv[])
{
int i, rv = 0, one = 0;
unsigned int lba, b[SECT_INT];
int len;
FILE *f;
uint8_t tt = 0;
const char *fn;
if (argc >= 2) {
if (argc >= 3) {
if (strcasecmp("-1", argv[1]) == 0) {
fn = argv[2];
one = 1;
} else {
fn = argv[1];
}
} else {
fn = argv[1];
}
} else {
fn = DEF_FN;
}
if (!strcmp(fn, "-"))
f = stdout;
else
f = fopen(fn, "w");
if (!f) {
fprintf(stderr, "%s: %s: unable to open for writing: %s\n",
argv[0], fn, strerror(errno));
return 1;
}
lba = 0;
while ((len = fread(b, 1, BPS, stdin))) {
if (len < BPS)
memset((char *)b + len, 0, BPS - len);
fwrite(b, 1, BPS, f);
lba++;
}
memset(b, 0, sizeof b);
while (lba < NUM_SECT) {
if (one) {
b[0] = lba;
} else {
for (i = 0; i < SECT_INT; i++)
b[i] = lba;
}
fwrite(b, 1, BPS, f);
lba++;
}
if (f != stdout)
fclose(f);
return rv;
}
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