/*
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/*
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* dsklbl.c -- show or write a disklabel onto a NetBSD partition
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* dsklbl.c -- show or write a disklabel onto a NetBSD partition
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*/
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*/
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdarg.h>
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#include "types.h"
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#include "types.h"
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#include "disklabel.h"
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#include "disklabel.h"
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/**************************************************************/
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/**************************************************************/
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#define SSIZE 512 /* disk sector size in bytes */
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#define SSIZE 512 /* disk sector size in bytes */
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#define BSIZE 8192 /* disk block size in bytes */
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#define BSIZE 8192 /* disk block size in bytes */
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/**************************************************************/
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/**************************************************************/
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void error(char *fmt, ...) {
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void error(char *fmt, ...) {
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va_list ap;
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va_list ap;
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va_start(ap, fmt);
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va_start(ap, fmt);
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printf("Error: ");
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printf("Error: ");
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vprintf(fmt, ap);
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vprintf(fmt, ap);
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printf("\n");
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printf("\n");
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va_end(ap);
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va_end(ap);
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exit(1);
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exit(1);
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}
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}
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/**************************************************************/
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/**************************************************************/
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unsigned int read4FromEco(unsigned char *p) {
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unsigned int read4FromEco(unsigned char *p) {
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return (unsigned int) p[0] << 24 |
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return (unsigned int) p[0] << 24 |
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(unsigned int) p[1] << 16 |
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(unsigned int) p[1] << 16 |
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(unsigned int) p[2] << 8 |
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(unsigned int) p[2] << 8 |
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(unsigned int) p[3] << 0;
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(unsigned int) p[3] << 0;
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}
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}
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void write4ToEco(unsigned char *p, unsigned int data) {
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void write4ToEco(unsigned char *p, unsigned int data) {
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p[0] = data >> 24;
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p[0] = data >> 24;
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p[1] = data >> 16;
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p[1] = data >> 16;
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p[2] = data >> 8;
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p[2] = data >> 8;
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p[3] = data >> 0;
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p[3] = data >> 0;
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}
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}
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unsigned short read2FromEco(unsigned char *p) {
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unsigned short read2FromEco(unsigned char *p) {
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return (unsigned short) p[0] << 8 |
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return (unsigned short) p[0] << 8 |
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(unsigned short) p[1] << 0;
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(unsigned short) p[1] << 0;
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}
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}
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void write2ToEco(unsigned char *p, unsigned short data) {
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void write2ToEco(unsigned char *p, unsigned short data) {
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p[0] = data >> 8;
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p[0] = data >> 8;
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p[1] = data >> 0;
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p[1] = data >> 0;
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}
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}
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void conv4FromEcoToX86(unsigned char *p) {
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void conv4FromEcoToX86(unsigned char *p) {
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unsigned int data;
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unsigned int data;
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data = read4FromEco(p);
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data = read4FromEco(p);
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* (unsigned int *) p = data;
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* (unsigned int *) p = data;
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}
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}
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void conv4FromX86ToEco(unsigned char *p) {
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void conv4FromX86ToEco(unsigned char *p) {
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unsigned int data;
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unsigned int data;
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data = * (unsigned int *) p;
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data = * (unsigned int *) p;
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write4ToEco(p, data);
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write4ToEco(p, data);
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}
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}
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void conv2FromEcoToX86(unsigned char *p) {
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void conv2FromEcoToX86(unsigned char *p) {
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unsigned short data;
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unsigned short data;
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data = read2FromEco(p);
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data = read2FromEco(p);
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* (unsigned short *) p = data;
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* (unsigned short *) p = data;
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}
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}
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void conv2FromX86ToEco(unsigned char *p) {
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void conv2FromX86ToEco(unsigned char *p) {
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unsigned short data;
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unsigned short data;
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data = * (unsigned short *) p;
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data = * (unsigned short *) p;
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write2ToEco(p, data);
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write2ToEco(p, data);
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}
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}
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/**************************************************************/
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/**************************************************************/
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uint16_t chksum(DiskLabel *lp, int numParts) {
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uint16_t chksum(DiskLabel *lp, int numParts) {
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uint16_t *start;
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uint16_t *start;
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uint16_t *end;
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uint16_t *end;
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uint16_t sum;
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uint16_t sum;
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start = (uint16_t *) lp;
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start = (uint16_t *) lp;
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end = (uint16_t *) &lp->d_parts[numParts];
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end = (uint16_t *) &lp->d_parts[numParts];
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sum = 0;
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sum = 0;
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while (start < end) {
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while (start < end) {
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sum ^= *start++;
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sum ^= *start++;
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}
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}
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return sum;
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return sum;
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}
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}
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/**************************************************************/
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/**************************************************************/
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void dlFromEcoToX86(DiskLabel *lp) {
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void dlFromEcoToX86(DiskLabel *lp) {
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int i;
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int i;
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int numParts;
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int numParts;
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conv4FromEcoToX86((unsigned char *) &lp->d_magic);
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conv4FromEcoToX86((unsigned char *) &lp->d_magic);
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conv2FromEcoToX86((unsigned char *) &lp->d_type);
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conv2FromEcoToX86((unsigned char *) &lp->d_type);
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conv2FromEcoToX86((unsigned char *) &lp->d_subtype);
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conv2FromEcoToX86((unsigned char *) &lp->d_subtype);
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conv4FromEcoToX86((unsigned char *) &lp->d_secsize);
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conv4FromEcoToX86((unsigned char *) &lp->d_secsize);
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conv4FromEcoToX86((unsigned char *) &lp->d_nsectors);
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conv4FromEcoToX86((unsigned char *) &lp->d_nsectors);
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conv4FromEcoToX86((unsigned char *) &lp->d_ntracks);
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conv4FromEcoToX86((unsigned char *) &lp->d_ntracks);
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conv4FromEcoToX86((unsigned char *) &lp->d_ncylinders);
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conv4FromEcoToX86((unsigned char *) &lp->d_ncylinders);
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conv4FromEcoToX86((unsigned char *) &lp->d_secpercyl);
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conv4FromEcoToX86((unsigned char *) &lp->d_secpercyl);
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conv4FromEcoToX86((unsigned char *) &lp->d_secperunit);
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conv4FromEcoToX86((unsigned char *) &lp->d_secperunit);
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conv2FromEcoToX86((unsigned char *) &lp->d_sparespertrack);
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conv2FromEcoToX86((unsigned char *) &lp->d_sparespertrack);
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conv2FromEcoToX86((unsigned char *) &lp->d_sparespercyl);
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conv2FromEcoToX86((unsigned char *) &lp->d_sparespercyl);
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conv4FromEcoToX86((unsigned char *) &lp->d_acylinders);
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conv4FromEcoToX86((unsigned char *) &lp->d_acylinders);
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conv2FromEcoToX86((unsigned char *) &lp->d_rpm);
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conv2FromEcoToX86((unsigned char *) &lp->d_rpm);
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conv2FromEcoToX86((unsigned char *) &lp->d_interleave);
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conv2FromEcoToX86((unsigned char *) &lp->d_interleave);
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conv2FromEcoToX86((unsigned char *) &lp->d_trackskew);
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conv2FromEcoToX86((unsigned char *) &lp->d_trackskew);
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conv2FromEcoToX86((unsigned char *) &lp->d_cylskew);
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conv2FromEcoToX86((unsigned char *) &lp->d_cylskew);
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conv4FromEcoToX86((unsigned char *) &lp->d_headswitch);
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conv4FromEcoToX86((unsigned char *) &lp->d_headswitch);
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conv4FromEcoToX86((unsigned char *) &lp->d_trkseek);
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conv4FromEcoToX86((unsigned char *) &lp->d_trkseek);
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conv4FromEcoToX86((unsigned char *) &lp->d_flags);
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conv4FromEcoToX86((unsigned char *) &lp->d_flags);
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for (i = 0; i < NDDATA; i++) {
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for (i = 0; i < NDDATA; i++) {
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conv4FromEcoToX86((unsigned char *) &lp->d_drivedata[i]);
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conv4FromEcoToX86((unsigned char *) &lp->d_drivedata[i]);
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}
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}
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for (i = 0; i < NSPARE; i++) {
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for (i = 0; i < NSPARE; i++) {
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conv4FromEcoToX86((unsigned char *) &lp->d_spare[i]);
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conv4FromEcoToX86((unsigned char *) &lp->d_spare[i]);
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}
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}
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conv4FromEcoToX86((unsigned char *) &lp->d_magic2);
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conv4FromEcoToX86((unsigned char *) &lp->d_magic2);
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conv2FromEcoToX86((unsigned char *) &lp->d_checksum);
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conv2FromEcoToX86((unsigned char *) &lp->d_checksum);
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conv2FromEcoToX86((unsigned char *) &lp->d_npartitions);
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conv2FromEcoToX86((unsigned char *) &lp->d_npartitions);
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numParts = lp->d_npartitions;
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numParts = lp->d_npartitions;
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if (numParts < 0 || numParts > MAXPARTS) {
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if (numParts < 0 || numParts > MAXPARTS) {
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printf("Warning: number of partitions out of range!\n");
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printf("Warning: number of partitions out of range!\n");
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numParts = MAXPARTS;
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numParts = MAXPARTS;
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}
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}
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conv4FromEcoToX86((unsigned char *) &lp->d_bbsize);
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conv4FromEcoToX86((unsigned char *) &lp->d_bbsize);
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conv4FromEcoToX86((unsigned char *) &lp->d_sbsize);
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conv4FromEcoToX86((unsigned char *) &lp->d_sbsize);
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for (i = 0; i < MAXPARTS; i++) {
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for (i = 0; i < MAXPARTS; i++) {
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conv4FromEcoToX86((unsigned char *) &lp->d_parts[i].p_size);
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conv4FromEcoToX86((unsigned char *) &lp->d_parts[i].p_size);
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conv4FromEcoToX86((unsigned char *) &lp->d_parts[i].p_offset);
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conv4FromEcoToX86((unsigned char *) &lp->d_parts[i].p_offset);
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conv4FromEcoToX86((unsigned char *) &lp->d_parts[i].p_fsize);
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conv4FromEcoToX86((unsigned char *) &lp->d_parts[i].p_fsize);
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conv2FromEcoToX86((unsigned char *) &lp->d_parts[i].p_cpg);
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conv2FromEcoToX86((unsigned char *) &lp->d_parts[i].p_cpg);
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}
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}
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/* after byte-swapping, the checksum must be calculated again */
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/* after byte-swapping, the checksum must be calculated again */
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lp->d_checksum = 0;
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lp->d_checksum = 0;
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lp->d_checksum = chksum(lp, numParts);
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lp->d_checksum = chksum(lp, numParts);
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/* Attention: the new checksum must not be converted! */
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/* Attention: the new checksum must not be converted! */
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}
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}
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void dlFromX86ToEco(DiskLabel *lp) {
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void dlFromX86ToEco(DiskLabel *lp) {
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int i;
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int i;
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int numParts;
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int numParts;
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conv4FromX86ToEco((unsigned char *) &lp->d_magic);
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conv4FromX86ToEco((unsigned char *) &lp->d_magic);
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conv2FromX86ToEco((unsigned char *) &lp->d_type);
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conv2FromX86ToEco((unsigned char *) &lp->d_type);
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conv2FromX86ToEco((unsigned char *) &lp->d_subtype);
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conv2FromX86ToEco((unsigned char *) &lp->d_subtype);
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conv4FromX86ToEco((unsigned char *) &lp->d_secsize);
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conv4FromX86ToEco((unsigned char *) &lp->d_secsize);
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conv4FromX86ToEco((unsigned char *) &lp->d_nsectors);
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conv4FromX86ToEco((unsigned char *) &lp->d_nsectors);
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conv4FromX86ToEco((unsigned char *) &lp->d_ntracks);
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conv4FromX86ToEco((unsigned char *) &lp->d_ntracks);
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conv4FromX86ToEco((unsigned char *) &lp->d_ncylinders);
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conv4FromX86ToEco((unsigned char *) &lp->d_ncylinders);
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conv4FromX86ToEco((unsigned char *) &lp->d_secpercyl);
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conv4FromX86ToEco((unsigned char *) &lp->d_secpercyl);
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conv4FromX86ToEco((unsigned char *) &lp->d_secperunit);
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conv4FromX86ToEco((unsigned char *) &lp->d_secperunit);
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conv2FromX86ToEco((unsigned char *) &lp->d_sparespertrack);
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conv2FromX86ToEco((unsigned char *) &lp->d_sparespertrack);
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conv2FromX86ToEco((unsigned char *) &lp->d_sparespercyl);
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conv2FromX86ToEco((unsigned char *) &lp->d_sparespercyl);
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conv4FromX86ToEco((unsigned char *) &lp->d_acylinders);
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conv4FromX86ToEco((unsigned char *) &lp->d_acylinders);
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conv2FromX86ToEco((unsigned char *) &lp->d_rpm);
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conv2FromX86ToEco((unsigned char *) &lp->d_rpm);
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conv2FromX86ToEco((unsigned char *) &lp->d_interleave);
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conv2FromX86ToEco((unsigned char *) &lp->d_interleave);
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conv2FromX86ToEco((unsigned char *) &lp->d_trackskew);
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conv2FromX86ToEco((unsigned char *) &lp->d_trackskew);
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conv2FromX86ToEco((unsigned char *) &lp->d_cylskew);
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conv2FromX86ToEco((unsigned char *) &lp->d_cylskew);
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conv4FromX86ToEco((unsigned char *) &lp->d_headswitch);
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conv4FromX86ToEco((unsigned char *) &lp->d_headswitch);
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conv4FromX86ToEco((unsigned char *) &lp->d_trkseek);
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conv4FromX86ToEco((unsigned char *) &lp->d_trkseek);
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conv4FromX86ToEco((unsigned char *) &lp->d_flags);
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conv4FromX86ToEco((unsigned char *) &lp->d_flags);
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for (i = 0; i < NDDATA; i++) {
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for (i = 0; i < NDDATA; i++) {
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conv4FromX86ToEco((unsigned char *) &lp->d_drivedata[i]);
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conv4FromX86ToEco((unsigned char *) &lp->d_drivedata[i]);
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}
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}
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for (i = 0; i < NSPARE; i++) {
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for (i = 0; i < NSPARE; i++) {
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conv4FromX86ToEco((unsigned char *) &lp->d_spare[i]);
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conv4FromX86ToEco((unsigned char *) &lp->d_spare[i]);
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}
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}
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conv4FromX86ToEco((unsigned char *) &lp->d_magic2);
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conv4FromX86ToEco((unsigned char *) &lp->d_magic2);
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conv2FromX86ToEco((unsigned char *) &lp->d_checksum);
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conv2FromX86ToEco((unsigned char *) &lp->d_checksum);
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numParts = lp->d_npartitions;
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numParts = lp->d_npartitions;
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if (numParts < 0 || numParts > MAXPARTS) {
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if (numParts < 0 || numParts > MAXPARTS) {
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printf("Warning: number of partitions out of range!\n");
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printf("Warning: number of partitions out of range!\n");
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numParts = MAXPARTS;
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numParts = MAXPARTS;
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}
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}
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conv2FromX86ToEco((unsigned char *) &lp->d_npartitions);
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conv2FromX86ToEco((unsigned char *) &lp->d_npartitions);
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conv4FromX86ToEco((unsigned char *) &lp->d_bbsize);
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conv4FromX86ToEco((unsigned char *) &lp->d_bbsize);
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conv4FromX86ToEco((unsigned char *) &lp->d_sbsize);
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conv4FromX86ToEco((unsigned char *) &lp->d_sbsize);
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for (i = 0; i < MAXPARTS; i++) {
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for (i = 0; i < MAXPARTS; i++) {
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conv4FromX86ToEco((unsigned char *) &lp->d_parts[i].p_size);
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conv4FromX86ToEco((unsigned char *) &lp->d_parts[i].p_size);
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conv4FromX86ToEco((unsigned char *) &lp->d_parts[i].p_offset);
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conv4FromX86ToEco((unsigned char *) &lp->d_parts[i].p_offset);
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conv4FromX86ToEco((unsigned char *) &lp->d_parts[i].p_fsize);
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conv4FromX86ToEco((unsigned char *) &lp->d_parts[i].p_fsize);
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conv2FromX86ToEco((unsigned char *) &lp->d_parts[i].p_cpg);
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conv2FromX86ToEco((unsigned char *) &lp->d_parts[i].p_cpg);
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}
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}
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/* after byte-swapping, the checksum must be calculated again */
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/* after byte-swapping, the checksum must be calculated again */
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lp->d_checksum = 0;
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lp->d_checksum = 0;
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lp->d_checksum = chksum(lp, numParts);
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lp->d_checksum = chksum(lp, numParts);
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/* Attention: the new checksum must not be converted! */
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/* Attention: the new checksum must not be converted! */
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}
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}
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/**************************************************************/
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/**************************************************************/
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FILE *diskFile;
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FILE *diskFile;
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unsigned long sliceStart;
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unsigned long sliceStart;
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unsigned long sliceSize;
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unsigned long sliceSize;
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void readSector(unsigned int sno, unsigned char *buf) {
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void readSector(unsigned int sno, unsigned char *buf) {
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int n;
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int n;
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if (sno >= sliceSize) {
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if (sno >= sliceSize) {
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error("illegal sector number %u in readSector()", sno);
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error("illegal sector number %u in readSector()", sno);
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}
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}
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fseek(diskFile, (sliceStart + sno) * SSIZE, SEEK_SET);
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fseek(diskFile, (sliceStart + sno) * SSIZE, SEEK_SET);
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n = fread(buf, 1, SSIZE, diskFile);
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n = fread(buf, 1, SSIZE, diskFile);
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if (n != SSIZE) {
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if (n != SSIZE) {
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error("read error on sector %u", sno);
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error("read error on sector %u", sno);
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}
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}
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}
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}
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void writeSector(unsigned int sno, unsigned char *buf) {
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void writeSector(unsigned int sno, unsigned char *buf) {
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int n;
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int n;
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if (sno >= sliceSize) {
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if (sno >= sliceSize) {
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error("illegal sector number %u in writeSector()", sno);
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error("illegal sector number %u in writeSector()", sno);
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}
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}
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fseek(diskFile, (sliceStart + sno) * SSIZE, SEEK_SET);
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fseek(diskFile, (sliceStart + sno) * SSIZE, SEEK_SET);
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n = fwrite(buf, 1, SSIZE, diskFile);
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n = fwrite(buf, 1, SSIZE, diskFile);
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if (n != SSIZE) {
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if (n != SSIZE) {
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error("write error on sector %u", sno);
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error("write error on sector %u", sno);
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}
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}
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}
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}
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/**************************************************************/
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/**************************************************************/
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void showDiskLabel(DiskLabel *lp) {
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void showDiskLabel(DiskLabel *lp) {
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int i;
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int i;
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int c;
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int c;
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int numParts;
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int numParts;
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printf("magic number : 0x%08X\n", lp->d_magic);
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printf("magic number : 0x%08X\n", lp->d_magic);
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if (lp->d_magic != DSKMAGIC) {
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if (lp->d_magic != DSKMAGIC) {
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printf("Warning: wrong magic number!\n");
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printf("Warning: wrong magic number!\n");
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}
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}
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printf("type : 0x%04X\n", lp->d_type);
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printf("type : 0x%04X\n", lp->d_type);
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printf("subtype : 0x%04X\n", lp->d_subtype);
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printf("subtype : 0x%04X\n", lp->d_subtype);
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printf("typename : '");
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printf("typename : '");
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for (i = 0; i < NTYPENAME; i++) {
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for (i = 0; i < NTYPENAME; i++) {
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c = lp->d_typename[i];
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c = lp->d_typename[i];
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if (c == 0) {
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if (c == 0) {
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break;
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break;
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}
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}
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if (c >= 0x20 && c < 0x7F) {
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if (c >= 0x20 && c < 0x7F) {
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printf("%c", c);
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printf("%c", c);
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} else {
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} else {
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printf(".");
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printf(".");
|
}
|
}
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}
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}
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printf("'\n");
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printf("'\n");
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printf("packname : '");
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printf("packname : '");
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for (i = 0; i < NPACKNAME; i++) {
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for (i = 0; i < NPACKNAME; i++) {
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c = lp->d_packname[i];
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c = lp->d_packname[i];
|
if (c == 0) {
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if (c == 0) {
|
break;
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break;
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}
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}
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if (c >= 0x20 && c < 0x7F) {
|
if (c >= 0x20 && c < 0x7F) {
|
printf("%c", c);
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printf("%c", c);
|
} else {
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} else {
|
printf(".");
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printf(".");
|
}
|
}
|
}
|
}
|
printf("'\n");
|
printf("'\n");
|
printf("secsize : 0x%08X\n", lp->d_secsize);
|
printf("secsize : 0x%08X\n", lp->d_secsize);
|
printf("nsectors : 0x%08X\n", lp->d_nsectors);
|
printf("nsectors : 0x%08X\n", lp->d_nsectors);
|
printf("ntracks : 0x%08X\n", lp->d_ntracks);
|
printf("ntracks : 0x%08X\n", lp->d_ntracks);
|
printf("ncylinders : 0x%08X\n", lp->d_ncylinders);
|
printf("ncylinders : 0x%08X\n", lp->d_ncylinders);
|
printf("secpercyl : 0x%08X\n", lp->d_secpercyl);
|
printf("secpercyl : 0x%08X\n", lp->d_secpercyl);
|
printf("secperunit : 0x%08X\n", lp->d_secperunit);
|
printf("secperunit : 0x%08X\n", lp->d_secperunit);
|
printf("sparespertrack : 0x%04X\n", lp->d_sparespertrack);
|
printf("sparespertrack : 0x%04X\n", lp->d_sparespertrack);
|
printf("sparespercyl : 0x%04X\n", lp->d_sparespercyl);
|
printf("sparespercyl : 0x%04X\n", lp->d_sparespercyl);
|
printf("acylinders : 0x%08X\n", lp->d_acylinders);
|
printf("acylinders : 0x%08X\n", lp->d_acylinders);
|
printf("rpm : 0x%04X\n", lp->d_rpm);
|
printf("rpm : 0x%04X\n", lp->d_rpm);
|
printf("interleave : 0x%04X\n", lp->d_interleave);
|
printf("interleave : 0x%04X\n", lp->d_interleave);
|
printf("trackskew : 0x%04X\n", lp->d_trackskew);
|
printf("trackskew : 0x%04X\n", lp->d_trackskew);
|
printf("cylskew : 0x%04X\n", lp->d_cylskew);
|
printf("cylskew : 0x%04X\n", lp->d_cylskew);
|
printf("headswitch : 0x%08X\n", lp->d_headswitch);
|
printf("headswitch : 0x%08X\n", lp->d_headswitch);
|
printf("trkseek : 0x%08X\n", lp->d_trkseek);
|
printf("trkseek : 0x%08X\n", lp->d_trkseek);
|
printf("flags : 0x%08X\n", lp->d_flags);
|
printf("flags : 0x%08X\n", lp->d_flags);
|
printf("magic2 : 0x%08X\n", lp->d_magic2);
|
printf("magic2 : 0x%08X\n", lp->d_magic2);
|
if (lp->d_magic2 != DSKMAGIC) {
|
if (lp->d_magic2 != DSKMAGIC) {
|
printf("Warning: wrong magic number!\n");
|
printf("Warning: wrong magic number!\n");
|
}
|
}
|
printf("checksum : 0x%04X\n", lp->d_checksum);
|
printf("checksum : 0x%04X\n", lp->d_checksum);
|
printf("bbsize : 0x%08X\n", lp->d_bbsize);
|
printf("bbsize : 0x%08X\n", lp->d_bbsize);
|
printf("sbsize : 0x%08X\n", lp->d_sbsize);
|
printf("sbsize : 0x%08X\n", lp->d_sbsize);
|
printf("npartitions : 0x%04X\n", lp->d_npartitions);
|
printf("npartitions : 0x%04X\n", lp->d_npartitions);
|
numParts = lp->d_npartitions;
|
numParts = lp->d_npartitions;
|
if (numParts < 0 || numParts > MAXPARTS) {
|
if (numParts < 0 || numParts > MAXPARTS) {
|
printf("Warning: number of partitions out of range!\n");
|
printf("Warning: number of partitions out of range!\n");
|
numParts = MAXPARTS;
|
numParts = MAXPARTS;
|
}
|
}
|
for (i = 0; i < numParts; i++) {
|
for (i = 0; i < numParts; i++) {
|
if (lp->d_parts[i].p_size == 0) {
|
if (lp->d_parts[i].p_size == 0) {
|
continue;
|
continue;
|
}
|
}
|
printf(" partition %c:\n", 'a' + i);
|
printf(" partition %c:\n", 'a' + i);
|
printf(" size : 0x%08X\n", lp->d_parts[i].p_size);
|
printf(" size : 0x%08X\n", lp->d_parts[i].p_size);
|
printf(" offset : 0x%08X\n", lp->d_parts[i].p_offset);
|
printf(" offset : 0x%08X\n", lp->d_parts[i].p_offset);
|
printf(" fsize : 0x%08X\n", lp->d_parts[i].p_fsize);
|
printf(" fsize : 0x%08X\n", lp->d_parts[i].p_fsize);
|
printf(" fstype : 0x%02X\n", lp->d_parts[i].p_fstype);
|
printf(" fstype : 0x%02X\n", lp->d_parts[i].p_fstype);
|
printf(" frag : 0x%02X\n", lp->d_parts[i].p_frag);
|
printf(" frag : 0x%02X\n", lp->d_parts[i].p_frag);
|
printf(" cpg : 0x%04X\n", lp->d_parts[i].p_cpg);
|
printf(" cpg : 0x%04X\n", lp->d_parts[i].p_cpg);
|
}
|
}
|
}
|
}
|
|
|
|
|
/**************************************************************/
|
/**************************************************************/
|
|
|
|
|
void initDiskLabel(DiskLabel *lp) {
|
void initDiskLabel(DiskLabel *lp) {
|
int i;
|
int i;
|
|
|
lp->d_magic = 0;
|
lp->d_magic = 0;
|
lp->d_type = 0;
|
lp->d_type = 0;
|
lp->d_subtype = 0;
|
lp->d_subtype = 0;
|
for (i = 0; i < NTYPENAME; i++) {
|
for (i = 0; i < NTYPENAME; i++) {
|
lp->d_typename[i] = 0;
|
lp->d_typename[i] = 0;
|
}
|
}
|
for (i = 0; i < NPACKNAME; i++) {
|
for (i = 0; i < NPACKNAME; i++) {
|
lp->d_packname[i] = 0;
|
lp->d_packname[i] = 0;
|
}
|
}
|
lp->d_secsize = 0;
|
lp->d_secsize = 0;
|
lp->d_nsectors = 0;
|
lp->d_nsectors = 0;
|
lp->d_ntracks = 0;
|
lp->d_ntracks = 0;
|
lp->d_ncylinders = 0;
|
lp->d_ncylinders = 0;
|
lp->d_secpercyl = 0;
|
lp->d_secpercyl = 0;
|
lp->d_secperunit = 0;
|
lp->d_secperunit = 0;
|
lp->d_sparespertrack = 0;
|
lp->d_sparespertrack = 0;
|
lp->d_sparespercyl = 0;
|
lp->d_sparespercyl = 0;
|
lp->d_acylinders = 0;
|
lp->d_acylinders = 0;
|
lp->d_rpm = 0;
|
lp->d_rpm = 0;
|
lp->d_interleave = 0;
|
lp->d_interleave = 0;
|
lp->d_trackskew = 0;
|
lp->d_trackskew = 0;
|
lp->d_cylskew = 0;
|
lp->d_cylskew = 0;
|
lp->d_headswitch = 0;
|
lp->d_headswitch = 0;
|
lp->d_trkseek = 0;
|
lp->d_trkseek = 0;
|
lp->d_flags = 0;
|
lp->d_flags = 0;
|
for (i = 0; i < NDDATA; i++) {
|
for (i = 0; i < NDDATA; i++) {
|
lp->d_drivedata[i] = 0;
|
lp->d_drivedata[i] = 0;
|
}
|
}
|
for (i = 0; i < NSPARE; i++) {
|
for (i = 0; i < NSPARE; i++) {
|
lp->d_spare[i] = 0;
|
lp->d_spare[i] = 0;
|
}
|
}
|
lp->d_magic2 = 0;
|
lp->d_magic2 = 0;
|
lp->d_checksum = 0;
|
lp->d_checksum = 0;
|
lp->d_npartitions = 0;
|
lp->d_npartitions = 0;
|
lp->d_bbsize = 0;
|
lp->d_bbsize = 0;
|
lp->d_sbsize = 0;
|
lp->d_sbsize = 0;
|
for (i = 0; i < MAXPARTS; i++) {
|
for (i = 0; i < MAXPARTS; i++) {
|
lp->d_parts[i].p_size = 0;
|
lp->d_parts[i].p_size = 0;
|
lp->d_parts[i].p_offset = 0;
|
lp->d_parts[i].p_offset = 0;
|
lp->d_parts[i].p_fsize = 0;
|
lp->d_parts[i].p_fsize = 0;
|
lp->d_parts[i].p_fstype = 0;
|
lp->d_parts[i].p_fstype = 0;
|
lp->d_parts[i].p_frag = 0;
|
lp->d_parts[i].p_frag = 0;
|
lp->d_parts[i].p_cpg = 0;
|
lp->d_parts[i].p_cpg = 0;
|
}
|
}
|
for (i = 0; i < PADSIZE; i++) {
|
for (i = 0; i < PADSIZE; i++) {
|
lp->d_pad[i] = 0;
|
lp->d_pad[i] = 0;
|
}
|
}
|
}
|
}
|
|
|
|
|
void fillDiskLabelDefault1(DiskLabel *lp) {
|
void fillDiskLabelDefault1(DiskLabel *lp) {
|
/* the default disklabel for a non-partitioned disk */
|
/* the default disklabel for a non-partitioned disk */
|
lp->d_magic = DSKMAGIC;
|
lp->d_magic = DSKMAGIC;
|
strcpy(lp->d_typename, "ECO32 SD-100M");
|
strcpy(lp->d_typename, "ECO32 SD-100M");
|
lp->d_secsize = 512;
|
lp->d_secsize = 512;
|
lp->d_nsectors = 128;
|
lp->d_nsectors = 128;
|
lp->d_ntracks = 16;
|
lp->d_ntracks = 16;
|
lp->d_ncylinders = 100;
|
lp->d_ncylinders = 100;
|
lp->d_secpercyl = 2048;
|
lp->d_secpercyl = 2048;
|
lp->d_secperunit = 204800;
|
lp->d_secperunit = 204800;
|
lp->d_sparespertrack = 0;
|
lp->d_sparespertrack = 0;
|
lp->d_sparespercyl = 0;
|
lp->d_sparespercyl = 0;
|
lp->d_acylinders = 0;
|
lp->d_acylinders = 0;
|
lp->d_rpm = 3600;
|
lp->d_rpm = 3600;
|
lp->d_interleave = 1;
|
lp->d_interleave = 1;
|
lp->d_trackskew = 0;
|
lp->d_trackskew = 0;
|
lp->d_cylskew = 0;
|
lp->d_cylskew = 0;
|
lp->d_headswitch = 0;
|
lp->d_headswitch = 0;
|
lp->d_trkseek = 0;
|
lp->d_trkseek = 0;
|
lp->d_flags = 0;
|
lp->d_flags = 0;
|
lp->d_magic2 = DSKMAGIC;
|
lp->d_magic2 = DSKMAGIC;
|
lp->d_checksum = 0;
|
lp->d_checksum = 0;
|
lp->d_npartitions = 16;
|
lp->d_npartitions = 16;
|
lp->d_bbsize = 8192;
|
lp->d_bbsize = 8192;
|
lp->d_sbsize = 8192;
|
lp->d_sbsize = 8192;
|
/*-------------------------------*/
|
/*-------------------------------*/
|
lp->d_parts[0].p_size = 172032;
|
lp->d_parts[0].p_size = 172032;
|
lp->d_parts[0].p_offset = 0;
|
lp->d_parts[0].p_offset = 0;
|
lp->d_parts[0].p_fsize = 1024;
|
lp->d_parts[0].p_fsize = 1024;
|
lp->d_parts[0].p_fstype = 7;
|
lp->d_parts[0].p_fstype = 7;
|
lp->d_parts[0].p_frag = 8;
|
lp->d_parts[0].p_frag = 8;
|
/*-------------------------------*/
|
/*-------------------------------*/
|
lp->d_parts[1].p_size = 32768;
|
lp->d_parts[1].p_size = 32768;
|
lp->d_parts[1].p_offset = 172032;
|
lp->d_parts[1].p_offset = 172032;
|
lp->d_parts[1].p_fsize = 0;
|
lp->d_parts[1].p_fsize = 0;
|
lp->d_parts[1].p_fstype = 1;
|
lp->d_parts[1].p_fstype = 1;
|
lp->d_parts[1].p_frag = 0;
|
lp->d_parts[1].p_frag = 0;
|
/*-------------------------------*/
|
/*-------------------------------*/
|
lp->d_parts[2].p_size = 204800;
|
lp->d_parts[2].p_size = 204800;
|
lp->d_parts[2].p_offset = 0;
|
lp->d_parts[2].p_offset = 0;
|
lp->d_parts[2].p_fsize = 0;
|
lp->d_parts[2].p_fsize = 0;
|
lp->d_parts[2].p_fstype = 0;
|
lp->d_parts[2].p_fstype = 0;
|
lp->d_parts[2].p_frag = 0;
|
lp->d_parts[2].p_frag = 0;
|
/*-------------------------------*/
|
/*-------------------------------*/
|
lp->d_checksum = chksum(lp, lp->d_npartitions);
|
lp->d_checksum = chksum(lp, lp->d_npartitions);
|
}
|
}
|
|
|
|
|
void fillDiskLabelDefault2(DiskLabel *lp) {
|
void fillDiskLabelDefault2(DiskLabel *lp) {
|
/* the default disklabel for a partitioned disk */
|
/* the default disklabel for a partitioned disk */
|
lp->d_magic = DSKMAGIC;
|
lp->d_magic = DSKMAGIC;
|
strcpy(lp->d_typename, "ECO32 SD-100M");
|
strcpy(lp->d_typename, "ECO32 SD-100M");
|
lp->d_secsize = 512;
|
lp->d_secsize = 512;
|
lp->d_nsectors = 128;
|
lp->d_nsectors = 128;
|
lp->d_ntracks = 16;
|
lp->d_ntracks = 16;
|
lp->d_ncylinders = 100;
|
lp->d_ncylinders = 100;
|
lp->d_secpercyl = 2048;
|
lp->d_secpercyl = 2048;
|
lp->d_secperunit = 204800;
|
lp->d_secperunit = 204800;
|
lp->d_sparespertrack = 0;
|
lp->d_sparespertrack = 0;
|
lp->d_sparespercyl = 0;
|
lp->d_sparespercyl = 0;
|
lp->d_acylinders = 0;
|
lp->d_acylinders = 0;
|
lp->d_rpm = 3600;
|
lp->d_rpm = 3600;
|
lp->d_interleave = 1;
|
lp->d_interleave = 1;
|
lp->d_trackskew = 0;
|
lp->d_trackskew = 0;
|
lp->d_cylskew = 0;
|
lp->d_cylskew = 0;
|
lp->d_headswitch = 0;
|
lp->d_headswitch = 0;
|
lp->d_trkseek = 0;
|
lp->d_trkseek = 0;
|
lp->d_flags = 0;
|
lp->d_flags = 0;
|
lp->d_magic2 = DSKMAGIC;
|
lp->d_magic2 = DSKMAGIC;
|
lp->d_checksum = 0;
|
lp->d_checksum = 0;
|
lp->d_npartitions = 16;
|
lp->d_npartitions = 16;
|
lp->d_bbsize = 8192;
|
lp->d_bbsize = 8192;
|
lp->d_sbsize = 8192;
|
lp->d_sbsize = 8192;
|
/*-------------------------------*/
|
/*-------------------------------*/
|
lp->d_parts[0].p_size = 106496;
|
lp->d_parts[0].p_size = 106496;
|
lp->d_parts[0].p_offset = 81920;
|
lp->d_parts[0].p_offset = 81920;
|
lp->d_parts[0].p_fsize = 1024;
|
lp->d_parts[0].p_fsize = 1024;
|
lp->d_parts[0].p_fstype = 7;
|
lp->d_parts[0].p_fstype = 7;
|
lp->d_parts[0].p_frag = 8;
|
lp->d_parts[0].p_frag = 8;
|
/*-------------------------------*/
|
/*-------------------------------*/
|
lp->d_parts[1].p_size = 16384;
|
lp->d_parts[1].p_size = 16384;
|
lp->d_parts[1].p_offset = 188416;
|
lp->d_parts[1].p_offset = 188416;
|
lp->d_parts[1].p_fsize = 0;
|
lp->d_parts[1].p_fsize = 0;
|
lp->d_parts[1].p_fstype = 1;
|
lp->d_parts[1].p_fstype = 1;
|
lp->d_parts[1].p_frag = 0;
|
lp->d_parts[1].p_frag = 0;
|
/*-------------------------------*/
|
/*-------------------------------*/
|
lp->d_parts[2].p_size = 122880;
|
lp->d_parts[2].p_size = 122880;
|
lp->d_parts[2].p_offset = 81920;
|
lp->d_parts[2].p_offset = 81920;
|
lp->d_parts[2].p_fsize = 0;
|
lp->d_parts[2].p_fsize = 0;
|
lp->d_parts[2].p_fstype = 0;
|
lp->d_parts[2].p_fstype = 0;
|
lp->d_parts[2].p_frag = 0;
|
lp->d_parts[2].p_frag = 0;
|
/*-------------------------------*/
|
/*-------------------------------*/
|
lp->d_parts[3].p_size = 204800;
|
lp->d_parts[3].p_size = 204800;
|
lp->d_parts[3].p_offset = 0;
|
lp->d_parts[3].p_offset = 0;
|
lp->d_parts[3].p_fsize = 0;
|
lp->d_parts[3].p_fsize = 0;
|
lp->d_parts[3].p_fstype = 0;
|
lp->d_parts[3].p_fstype = 0;
|
lp->d_parts[3].p_frag = 0;
|
lp->d_parts[3].p_frag = 0;
|
/*-------------------------------*/
|
/*-------------------------------*/
|
lp->d_checksum = chksum(lp, lp->d_npartitions);
|
lp->d_checksum = chksum(lp, lp->d_npartitions);
|
}
|
}
|
|
|
|
|
void fillDiskLabelFromFile(DiskLabel *lp, char *fileName) {
|
void fillDiskLabelFromFile(DiskLabel *lp, char *fileName) {
|
error("configuration file not supported yet");
|
error("configuration file not supported yet");
|
}
|
}
|
|
|
|
|
/**************************************************************/
|
/**************************************************************/
|
|
|
|
|
int checkEndian(DiskLabel *lp) {
|
int checkEndian(DiskLabel *lp) {
|
int endian;
|
int endian;
|
uint32_t magic;
|
uint32_t magic;
|
uint16_t numParts;
|
uint16_t numParts;
|
uint16_t sum;
|
uint16_t sum;
|
|
|
magic = lp->d_magic;
|
magic = lp->d_magic;
|
if (magic != lp->d_magic2) {
|
if (magic != lp->d_magic2) {
|
printf("Warning: magic numbers differ!\n");
|
printf("Warning: magic numbers differ!\n");
|
return -1;
|
return -1;
|
}
|
}
|
if (magic == DSKMAGIC) {
|
if (magic == DSKMAGIC) {
|
/* little endian */
|
/* little endian */
|
endian = 1;
|
endian = 1;
|
} else {
|
} else {
|
/* assume big endian */
|
/* assume big endian */
|
endian = 0;
|
endian = 0;
|
/* and check */
|
/* and check */
|
conv4FromEcoToX86((unsigned char *) &magic);
|
conv4FromEcoToX86((unsigned char *) &magic);
|
if (magic != DSKMAGIC) {
|
if (magic != DSKMAGIC) {
|
/* neither little endian nor big endian */
|
/* neither little endian nor big endian */
|
printf("Warning: wrong magic number!\n");
|
printf("Warning: wrong magic number!\n");
|
return -2;
|
return -2;
|
}
|
}
|
}
|
}
|
numParts = lp->d_npartitions;
|
numParts = lp->d_npartitions;
|
if (endian == 0) {
|
if (endian == 0) {
|
conv2FromEcoToX86((unsigned char *) &numParts);
|
conv2FromEcoToX86((unsigned char *) &numParts);
|
}
|
}
|
sum = chksum(lp, (int) numParts);
|
sum = chksum(lp, (int) numParts);
|
if (sum != 0) {
|
if (sum != 0) {
|
printf("Warning: wrong checksum!\n");
|
printf("Warning: wrong checksum!\n");
|
return -3;
|
return -3;
|
}
|
}
|
return endian;
|
return endian;
|
}
|
}
|
|
|
|
|
/**************************************************************/
|
/**************************************************************/
|
|
|
|
|
void usage(char *myself) {
|
void usage(char *myself) {
|
printf("Usage:\n");
|
printf("Usage:\n");
|
printf(" %s -c <disk> <partition or '*'>\n", myself);
|
printf(" %s -c <disk> <partition or '*'>\n", myself);
|
printf(" %s -t <disk> <partition or '*'>\n", myself);
|
printf(" %s -t <disk> <partition or '*'>\n", myself);
|
printf(" %s -rb <disk> <partition or '*'>\n", myself);
|
printf(" %s -rb <disk> <partition or '*'>\n", myself);
|
printf(" %s -rl <disk> <partition or '*'>\n", myself);
|
printf(" %s -rl <disk> <partition or '*'>\n", myself);
|
printf(" %s -wb <disk> <partition or '*'> [<config file>]\n", myself);
|
printf(" %s -wb <disk> <partition or '*'> [<config file>]\n", myself);
|
printf(" %s -wl <disk> <partition or '*'> [<config file>]\n", myself);
|
printf(" %s -wl <disk> <partition or '*'> [<config file>]\n", myself);
|
printf("c: check, t: toggle endianness\n");
|
printf("c: check, t: toggle endianness\n");
|
printf("r: read, w: write disklabel\n");
|
printf("r: read, w: write disklabel\n");
|
printf("b: big, l: little endian\n");
|
printf("b: big, l: little endian\n");
|
}
|
}
|
|
|
|
|
int main(int argc, char *argv[]) {
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int main(int argc, char *argv[]) {
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int optionCheck;
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int optionCheck;
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int optionToggle;
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int optionToggle;
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int optionRead;
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int optionRead;
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int optionBig;
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int optionBig;
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char *diskName;
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char *diskName;
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int part;
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int part;
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char *endptr;
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char *endptr;
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unsigned char partTable[SSIZE];
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unsigned char partTable[SSIZE];
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unsigned char *ptptr;
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unsigned char *ptptr;
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unsigned long partType;
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unsigned long partType;
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DiskLabel dl;
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DiskLabel dl;
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int endian;
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int endian;
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if (argc != 4 && argc != 5) {
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if (argc != 4 && argc != 5) {
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usage(argv[0]);
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usage(argv[0]);
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exit(1);
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exit(1);
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}
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}
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if (strcmp(argv[1], "-c") != 0 &&
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if (strcmp(argv[1], "-c") != 0 &&
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strcmp(argv[1], "-t") != 0 &&
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strcmp(argv[1], "-t") != 0 &&
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strcmp(argv[1], "-rb") != 0 &&
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strcmp(argv[1], "-rb") != 0 &&
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strcmp(argv[1], "-rl") != 0 &&
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strcmp(argv[1], "-rl") != 0 &&
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strcmp(argv[1], "-wb") != 0 &&
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strcmp(argv[1], "-wb") != 0 &&
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strcmp(argv[1], "-wl") != 0) {
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strcmp(argv[1], "-wl") != 0) {
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usage(argv[0]);
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usage(argv[0]);
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exit(1);
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exit(1);
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}
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}
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if (strcmp(argv[1], "-c") == 0) {
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if (strcmp(argv[1], "-c") == 0) {
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optionCheck = 1;
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optionCheck = 1;
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optionToggle = 0;
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optionToggle = 0;
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optionRead = 0;
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optionRead = 0;
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optionBig = 0;
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optionBig = 0;
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} else
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} else
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if (strcmp(argv[1], "-t") == 0) {
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if (strcmp(argv[1], "-t") == 0) {
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optionCheck = 1;
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optionCheck = 1;
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optionToggle = 1;
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optionToggle = 1;
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optionRead = 0;
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optionRead = 0;
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optionBig = 0;
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optionBig = 0;
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} else {
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} else {
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optionCheck = 0;
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optionCheck = 0;
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optionToggle = 0;
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optionToggle = 0;
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optionRead = (argv[1][1] == 'r');
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optionRead = (argv[1][1] == 'r');
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optionBig = (argv[1][2] == 'b');
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optionBig = (argv[1][2] == 'b');
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}
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}
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diskName = argv[2];
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diskName = argv[2];
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diskFile = fopen(diskName, "r+b");
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diskFile = fopen(diskName, "r+b");
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if (diskFile == NULL) {
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if (diskFile == NULL) {
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error("cannot open disk image '%s'", diskName);
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error("cannot open disk image '%s'", diskName);
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}
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}
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if (strcmp(argv[3], "*") == 0) {
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if (strcmp(argv[3], "*") == 0) {
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/* whole disk contains one single slice */
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/* whole disk contains one single slice */
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sliceStart = 0;
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sliceStart = 0;
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fseek(diskFile, 0, SEEK_END);
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fseek(diskFile, 0, SEEK_END);
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sliceSize = ftell(diskFile) / SSIZE;
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sliceSize = ftell(diskFile) / SSIZE;
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} else {
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} else {
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/* argv[3] is partition number of NetBSD slice */
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/* argv[3] is partition number of NetBSD slice */
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part = strtoul(argv[3], &endptr, 10);
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part = strtoul(argv[3], &endptr, 10);
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if (*endptr != '\0' || part < 0 || part > 15) {
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if (*endptr != '\0' || part < 0 || part > 15) {
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error("illegal partition number '%s'", argv[3]);
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error("illegal partition number '%s'", argv[3]);
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}
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}
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fseek(diskFile, 1 * SSIZE, SEEK_SET);
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fseek(diskFile, 1 * SSIZE, SEEK_SET);
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if (fread(partTable, 1, SSIZE, diskFile) != SSIZE) {
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if (fread(partTable, 1, SSIZE, diskFile) != SSIZE) {
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error("cannot read partition table of disk '%s'", diskName);
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error("cannot read partition table of disk '%s'", diskName);
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}
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}
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ptptr = partTable + part * 32;
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ptptr = partTable + part * 32;
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partType = read4FromEco(ptptr + 0);
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partType = read4FromEco(ptptr + 0);
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if ((partType & 0x7FFFFFFF) != 0x000000A9) {
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if ((partType & 0x7FFFFFFF) != 0x000000A9) {
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error("partition %d of disk '%s' is not a NetBSD slice",
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error("partition %d of disk '%s' is not a NetBSD slice",
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part, diskName);
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part, diskName);
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}
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}
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sliceStart = read4FromEco(ptptr + 4);
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sliceStart = read4FromEco(ptptr + 4);
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sliceSize = read4FromEco(ptptr + 8);
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sliceSize = read4FromEco(ptptr + 8);
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}
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}
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printf("Slice size is %lu (0x%lX) sectors of %d bytes each.\n",
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printf("Slice size is %lu (0x%lX) sectors of %d bytes each.\n",
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sliceSize, sliceSize, SSIZE);
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sliceSize, sliceSize, SSIZE);
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if (optionCheck) {
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if (optionCheck) {
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/* check endianness */
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/* check endianness */
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readSector(1, (unsigned char *) &dl);
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readSector(1, (unsigned char *) &dl);
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endian = checkEndian(&dl);
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endian = checkEndian(&dl);
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if (endian < 0) {
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if (endian < 0) {
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error("the endiannes of the disklabel could not be determined");
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error("the endiannes of the disklabel could not be determined");
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}
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}
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printf("The disklabel appears to be %s-endian.\n",
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printf("The disklabel appears to be %s-endian.\n",
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endian == 0 ? "big" : "little");
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endian == 0 ? "big" : "little");
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if (optionToggle) {
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if (optionToggle) {
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/* toggle endianness */
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/* toggle endianness */
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if (endian == 0) {
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if (endian == 0) {
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/* big -> little */
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/* big -> little */
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dlFromEcoToX86(&dl);
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dlFromEcoToX86(&dl);
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} else {
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} else {
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/* little -> big */
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/* little -> big */
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dlFromX86ToEco(&dl);
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dlFromX86ToEco(&dl);
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}
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}
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endian = checkEndian(&dl);
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endian = checkEndian(&dl);
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if (endian < 0) {
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if (endian < 0) {
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error("this should never happen");
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error("this should never happen");
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}
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}
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printf("The disklabel has been converted to %s-endian.\n",
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printf("The disklabel has been converted to %s-endian.\n",
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endian == 0 ? "big" : "little");
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endian == 0 ? "big" : "little");
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writeSector(1, (unsigned char *) &dl);
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writeSector(1, (unsigned char *) &dl);
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}
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}
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} else
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} else
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if (optionRead) {
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if (optionRead) {
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/* read and show disklabel */
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/* read and show disklabel */
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readSector(1, (unsigned char *) &dl);
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readSector(1, (unsigned char *) &dl);
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if (optionBig) {
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if (optionBig) {
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dlFromEcoToX86(&dl);
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dlFromEcoToX86(&dl);
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}
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}
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showDiskLabel(&dl);
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showDiskLabel(&dl);
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} else {
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} else {
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/* write disklabel */
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/* write disklabel */
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initDiskLabel(&dl);
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initDiskLabel(&dl);
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if (argc == 4) {
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if (argc == 4) {
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fillDiskLabelDefault2(&dl);
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fillDiskLabelDefault2(&dl);
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} else {
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} else {
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fillDiskLabelFromFile(&dl, argv[4]);
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fillDiskLabelFromFile(&dl, argv[4]);
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}
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}
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if (optionBig) {
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if (optionBig) {
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dlFromX86ToEco(&dl);
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dlFromX86ToEco(&dl);
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}
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}
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writeSector(1, (unsigned char *) &dl);
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writeSector(1, (unsigned char *) &dl);
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}
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}
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fclose(diskFile);
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fclose(diskFile);
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return 0;
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return 0;
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}
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}
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