Retro68/hfsutils/hfsck/util.c

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2012-03-29 08:28:43 +00:00
/*
* hfsck - tool for checking and repairing the integrity of HFS volumes
* Copyright (C) 1996-1998 Robert Leslie
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: util.c,v 1.7 1998/04/11 08:27:08 rob Exp $
*/
# include <stdio.h>
# include <string.h>
# include <stdarg.h>
# include "hfsck.h"
# include "util.h"
/*
* NAME: mctime()
* DESCRIPTION: convert Macintosh time to an ASCII string
*/
char *mctime(unsigned long secs)
{
time_t date;
static char str[26];
if (secs == 0)
return "(Never)";
date = d_ltime(secs);
strcpy(str, ctime(&date));
str[24] = 0;
return str;
}
/*
* NAME: extstr()
* DESCRIPTION: convert an extent descriptor into a printable string
*/
char *extstr(ExtDescriptor *ext)
{
static char str[20];
switch (ext->xdrNumABlks)
{
case 0:
return "[]";
case 1:
sprintf(str, "1[%u]", ext->xdrStABN);
break;
default:
sprintf(str, "%u[%u..%u]", ext->xdrNumABlks,
ext->xdrStABN, ext->xdrStABN + ext->xdrNumABlks - 1);
}
return str;
}
/*
* NAME: extrecstr()
* DESCRIPTION: convert an extent record into a printable string
*/
char *extrecstr(ExtDataRec *rec)
{
static char str[60];
ExtDescriptor *ext;
int i;
str[0] = 0;
for (i = 0, ext = &(*rec)[0]; i < 3; ++i, ++ext)
{
if (i > 0)
strcat(str, "+");
strcat(str, extstr(ext));
}
return str;
}
/*
* NAME: outhex()
* DESCRIPTION: output a block of data in hex format
*/
void outhex(unsigned char *data, unsigned int len)
{
int toggle = 0;
while (len--)
printf("%02x%s", *data++, toggle++ & 0x01 ? " " : "");
}
/*
* NAME: ask()
* DESCRIPTION: answer question from user
*/
int ask(char *question, ...)
{
int result = -1;
va_list args;
va_start(args, question);
vprintf(question, args);
if (! REPAIR)
{
printf(".\n");
result = 0;
}
else if (YES)
{
printf(": fixing.\n");
result = 1;
}
else
{
while (1)
{
char answer[80];
if (feof(stdin))
{
printf("...\n");
result = 0;
break;
}
printf(". Fix? ");
fflush(stdout);
fgets(answer, sizeof(answer), stdin);
if (feof(stdin))
{
printf("\n");
result = 0;
break;
}
switch (answer[0])
{
case 'y':
case 'Y':
result = 1;
break;
case 'n':
case 'N':
result = 0;
break;
}
if (result == -1)
vprintf(question, args);
else
break;
}
}
va_end(args);
return result;
}