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/* CCKDCDSK.C (c) Copyright Roger Bowler, 1999-2003 */
/* Perform chkdsk for a Compressed CKD Direct Access Storage */
/* Device file. */
/*-------------------------------------------------------------------*/
/* Perform check function on a compressed ckd file */
/*-------------------------------------------------------------------*/
#include "hercules.h"
int syntax ();
/*-------------------------------------------------------------------*/
/* Global data areas */
/*-------------------------------------------------------------------*/
#ifdef EXTERNALGUI
/* Special flag to indicate whether or not we're being
run under the control of the external GUI facility. */
int extgui = 0;
#endif /*EXTERNALGUI*/
/*-------------------------------------------------------------------*/
/* Main function for stand-alone chkdsk */
/*-------------------------------------------------------------------*/
int main (int argc, char *argv[])
{
int cckd_chkdsk_rc = 0; /* Program return code */
char *fn; /* File name */
int fd; /* File descriptor */
int level=1; /* Chkdsk level checking */
int ro=0; /* 1=Open readonly */
int force=0; /* 1=Check if OPENED bit on */
CCKDDASD_DEVHDR cdevhdr; /* Compressed CKD device hdr */
#if defined(ENABLE_NLS)
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
#endif
#ifdef EXTERNALGUI
if (argc >= 1 && strncmp(argv[argc-1],"EXTERNALGUI",11) == 0)
{
extgui = 1;
argc--;
}
#endif /*EXTERNALGUI*/
/* parse the arguments */
for (argc--, argv++ ; argc > 0 ; argc--, argv++)
{
if(**argv != '-') break;
switch(argv[0][1])
{
case '0':
case '1':
case '2':
case '3': if (argv[0][2] != '\0') return syntax ();
level = (argv[0][1] & 0xf);
break;
case 'f': if (argv[0][2] != '\0') return syntax ();
force = 1;
break;
case 'r': if (argv[0][2] == 'o' && argv[0][3] == '\0')
ro = 1;
else return syntax ();
break;
case 'v': if (argv[0][2] != '\0') return syntax ();
display_version (stderr, "Hercules cckd chkdsk program ");
return 0;
default: return syntax ();
}
}
if (argc != 1) return syntax ();
fn = argv[0];
/* open the file */
if (ro)
fd = open (fn, O_RDONLY|O_BINARY);
else
fd = open (fn, O_RDWR|O_BINARY);
if (fd < 0)
{
fprintf (stderr,
_("cckdcdsk: error opening file %s: %s\n"),
fn, strerror(errno));
return -1;
}
/* Check CCKD_OPENED bit if -f not specified */
if (!force)
{
if (lseek (fd, CKDDASD_DEVHDR_SIZE, SEEK_SET) < 0)
{
fprintf (stderr, _("cckdcdsk: lseek error: %s\n"),strerror(errno));
close (fd);
return -1;
}
if (read (fd, &cdevhdr, CCKDDASD_DEVHDR_SIZE) < CCKDDASD_DEVHDR_SIZE)
{
fprintf (stderr, _("cckdcdsk: read error: %s\n"),strerror(errno));
close (fd);
return -1;
}
if (cdevhdr.options & CCKD_OPENED)
{
fprintf (stderr, _("cckdcdsk: OPENED bit is on, use `-f'\n"));
close (fd);
return -1;
}
}
/* call the actual chkdsk function */
cckd_chkdsk_rc = cckd_chkdsk (fd, stderr, level);
/* print some statistics */
if (lseek (fd, CKDDASD_DEVHDR_SIZE, SEEK_SET) < 0)
{
fprintf (stderr, _("lseek error: %s\n"),strerror(errno));
if (!cckd_chkdsk_rc) cckd_chkdsk_rc = 1;
}
else
{
if (read (fd, &cdevhdr, CCKDDASD_DEVHDR_SIZE) < 0)
{
fprintf (stderr, _("read error: %s\n"),strerror(errno));
if (!cckd_chkdsk_rc) cckd_chkdsk_rc = 1;
}
else
{
if (cckd_endian() != ((cdevhdr.options & CCKD_BIGENDIAN) != 0))
cckd_swapend_chdr (&cdevhdr);
fprintf (stdout, _("size %d used %d free %d first 0x%x number %d\n"),
cdevhdr.size, cdevhdr.used, cdevhdr.free_total,
cdevhdr.free, cdevhdr.free_number);
}
}
close (fd);
return cckd_chkdsk_rc;
}
/*-------------------------------------------------------------------*/
/* print syntax */
/*-------------------------------------------------------------------*/
int syntax()
{
fprintf (stderr, _("\ncckdcdsk [-v] [-f] [-level] [-ro] file-name\n"
"\n"
" -v display version and exit\n"
"\n"
" -f force check even if OPENED bit is on\n"
"\n"
" level is a digit 0 - 3:\n"
" -0 -- minimal checking\n"
" -1 -- normal checking\n"
" -3 -- maximal checking\n"
"\n"
" -ro open file readonly, no repairs\n"
"\n"));
return -1;
}
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