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/* crc.c; do crc calculation. */
#include <stdio.h>
#include "hexbin.h"
#include "crc.h"
#include "../util/masks.h"
#include "globals.h"
extern void exit();
unsigned long crc;
#ifdef HQX
void comp_q_crc(c)
register unsigned int c;
{
unsigned char cc = c;
crc = binhex_updcrc(crc, &cc, 1);
}
void comp_q_crc_n(s, e)
register unsigned char *s, *e;
{
crc = binhex_updcrc(crc, s, e - s);
}
#endif /* HQX */
void verify_crc(calc_crc, file_crc)
unsigned long calc_crc, file_crc;
{
calc_crc &= WORDMASK;
file_crc &= WORDMASK;
if(calc_crc != file_crc) {
(void)fprintf(stderr, "CRC mismatch: got 0x%04lx, need 0x%04lx\n",
file_crc, calc_crc);
#ifdef SCAN
do_error("hexbin: CRC error");
#endif /* SCAN */
exit(1);
}
}
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