/*-------------------------------------------------------------------*/
int main (int argc, char *argv[])
{
int i; /* Index */
int rc; /* Return code */
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 */
DEVBLK devblk; /* DEVBLK */
DEVBLK *dev=&devblk; /* -> DEVBLK */
INITIALIZE_UTILITY("cckdcdsk");
/* 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':
case '4':
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 ", FALSE);
return 0;
default:
return syntax ();
}
}
if (argc < 1) return syntax ();
for (i = 0; i < argc; i++)
{
memset (dev, 0, sizeof(DEVBLK));
dev->batch = 1;
/* open the file */
hostpath(dev->filename, argv[i], sizeof(dev->filename));
dev->fd = hopen(dev->filename, ro ? O_RDONLY|O_BINARY : O_RDWR|O_BINARY);
if (dev->fd < 0)
{
cckdumsg (dev, 700, "open error: %s\n", strerror(errno));
continue;
}
/* Check CCKD_OPENED bit if -f not specified */
if (!force)
{
if (lseek (dev->fd, CCKD_DEVHDR_POS, SEEK_SET) < 0)
{
cckdumsg (dev, 702, "lseek error offset 0x%" I64_FMT "x: %s\n",
(long long)CCKD_DEVHDR_POS, strerror(errno));
close (dev->fd);
continue;
}
if ((rc = read (dev->fd, &cdevhdr, CCKD_DEVHDR_SIZE)) < CCKD_DEVHDR_SIZE)
{
cckdumsg (dev, 703, "read error rc=%d offset 0x%" I64_FMT "x len %d: %s\n",
rc, (long long)CCKD_DEVHDR_POS, CCKD_DEVHDR_SIZE,
rc < 0 ? strerror(errno) : "incomplete");
close (dev->fd);
continue;
}
if (cdevhdr.options & CCKD_OPENED)
{
cckdumsg (dev, 707, "OPENED bit is on, use -f\n");
close (dev->fd);
continue;
}
} /* if (!force) */
rc = cckd_chkdsk (dev, level);
close (dev->fd);
} /* for each arg */
return 0;
}
int main ( int argc, char *argv[])
{
char *pgmname; /* prog name in host format */
char *pgm; /* less any extension (.ext) */
char msgbuf[512]; /* message build work area */
CKDDASD_DEVHDR devhdr; /* CKD device header */
CCKDDASD_DEVHDR cdevhdr; /* Compressed CKD device hdr */
int level = 0; /* Chkdsk level */
int force = 0; /* 1=swap if OPENED bit on */
int rc; /* Return code */
int i; /* Index */
int bigend; /* 1=big-endian file */
DEVBLK devblk; /* DEVBLK */
DEVBLK *dev=&devblk; /* -> DEVBLK */
char *strtok_str = NULL;
/* Set program name */
if ( argc > 0 )
{
if ( strlen(argv[0]) == 0 )
{
pgmname = strdup( UTILITY_NAME );
}
else
{
char path[MAX_PATH];
#if defined( _MSVC_ )
GetModuleFileName( NULL, path, MAX_PATH );
#else
strncpy( path, argv[0], sizeof( path ) );
#endif
pgmname = strdup(basename(path));
#if !defined( _MSVC_ )
strncpy( path, argv[0], sizeof(path) );
#endif
}
}
else
{
pgmname = strdup( UTILITY_NAME );
}
pgm = strtok_r( strdup(pgmname), ".", &strtok_str);
INITIALIZE_UTILITY( pgmname );
/* Display the program identification message */
MSGBUF( msgbuf, MSG_C( HHC02499, "I", pgm, "Swap 'endianess' of a cckd file" ) );
display_version (stderr, msgbuf+10, FALSE);
/* 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 (pgm);
level = (argv[0][1] & 0xf);
break;
case 'f': if (argv[0][2] != '\0') return syntax (pgm);
force = 1;
break;
case 'v': if (argv[0][2] != '\0') return syntax (pgm);
return 0;
default: return syntax (pgm);
}
}
if (argc < 1) return syntax (pgm);
for (i = 0; i < argc; i++)
{
memset (dev, 0, sizeof (DEVBLK));
dev->batch = 1;
/* open the input file */
hostpath(dev->filename, argv[i], sizeof(dev->filename));
dev->fd = HOPEN (dev->filename, O_RDWR|O_BINARY);
if (dev->fd < 0)
{
fprintf(stdout, MSG(HHC00354, "E", SSID_TO_LCSS(dev->ssid), dev->devnum, dev->filename,
"open()", strerror(errno)));
continue;
}
/* read the CKD device header */
if ((rc = read (dev->fd, &devhdr, CKDDASD_DEVHDR_SIZE)) < CKDDASD_DEVHDR_SIZE)
{
fprintf(stdout, MSG(HHC00355, "E", SSID_TO_LCSS(dev->ssid), dev->devnum, dev->filename,
"read()", (U64)0, rc < 0 ? strerror(errno) : "incomplete"));
close (dev->fd);
continue;
}
if (memcmp(devhdr.devid, "CKD_C370", 8) != 0
&& memcmp(devhdr.devid, "CKD_S370", 8) != 0
&& memcmp(devhdr.devid, "FBA_C370", 8) != 0
&& memcmp(devhdr.devid, "FBA_S370", 8) != 0)
{
fprintf(stdout, MSG(HHC00356, "E", SSID_TO_LCSS(dev->ssid), dev->devnum, dev->filename));
close (dev->fd);
continue;
}
/* read the compressed CKD device header */
if ((rc = read (dev->fd, &cdevhdr, CCKD_DEVHDR_SIZE)) < CCKD_DEVHDR_SIZE)
{
fprintf(stdout, MSG(HHC00355, "E", SSID_TO_LCSS(dev->ssid), dev->devnum, dev->filename,
"read()", (U64)CCKD_DEVHDR_POS, rc < 0 ? strerror(errno) : "incomplete"));
close (dev->fd);
continue;
}
/* Check the OPENED bit */
if (!force && (cdevhdr.options & CCKD_OPENED))
{
fprintf(stdout, MSG(HHC00352, "E", SSID_TO_LCSS(dev->ssid), dev->devnum, dev->filename));
close (dev->fd);
continue;
}
/* get the byte order of the file */
bigend = (cdevhdr.options & CCKD_BIGENDIAN);
/* call chkdsk */
if (cckd_chkdsk (dev, level) < 0)
{
fprintf(stdout, MSG(HHC00353, "E", SSID_TO_LCSS(dev->ssid), dev->devnum, dev->filename));
close (dev->fd);
continue;
}
/* re-read the compressed CKD device header */
if (lseek (dev->fd, CCKD_DEVHDR_POS, SEEK_SET) < 0)
{
fprintf(stdout, MSG(HHC00355, "E", SSID_TO_LCSS(dev->ssid), dev->devnum, dev->filename,
"lseek()", (U64)CCKD_DEVHDR_POS, strerror(errno)));
close (dev->fd);
continue;
}
if ((rc = read (dev->fd, &cdevhdr, CCKD_DEVHDR_SIZE)) < CCKD_DEVHDR_SIZE)
{
fprintf(stdout, MSG(HHC00355, "E", SSID_TO_LCSS(dev->ssid), dev->devnum, dev->filename,
"read()", (U64)CCKD_DEVHDR_POS, rc < 0 ? strerror(errno) : "incomplete"));
close (dev->fd);
continue;
}
/* swap the byte order of the file if chkdsk didn't do it for us */
if (bigend == (cdevhdr.options & CCKD_BIGENDIAN))
{
fprintf(stdout, MSG(HHC00357, "I", SSID_TO_LCSS(dev->ssid), dev->devnum, dev->filename,
cckd_endian() ? "big-endian" : "little-endian"));
if (cckd_swapend (dev) < 0)
fprintf(stdout, MSG(HHC00378, "E", SSID_TO_LCSS(dev->ssid), dev->devnum, dev->filename));
}
close (dev->fd);
} /* for each arg */
return 0;
} /* end main */
