51 lines
781 B
Plaintext
51 lines
781 B
Plaintext
/*
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cylcalc
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-------
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Calculate the cylinders needed to format X MB on the hard drive.
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Gilbert Ramirez
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Technical Services
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University Health System
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$Id: ramirez.cylcalc,v 1.1.1.1 2002/08/14 22:27:25 dan Exp $
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*/
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#include <stdio.h>
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#include <stdlib.h>
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int main(int argc, char **argv)
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{
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int megs;
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int heads;
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int sectors;
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int bytes;
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int cyl;
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int calc_bytes;
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if (argc != 4) {
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fprintf(stderr, "\nusage: %s megabytes heads sectors\n"
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"\tcalculates cylinders needed for such a format.\n",
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argv[0]);
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exit(-1);
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}
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megs = atoi(argv[1]);
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heads = atoi(argv[2]);
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sectors = atoi(argv[3]);
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bytes = megs * 1024 * 1024;
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cyl = 0;
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do {
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cyl++;
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calc_bytes = heads * sectors * 512 * cyl;
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} while (calc_bytes < bytes);
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printf("%d\n", cyl);
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return 0;
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}
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