/*
 * dstore.c - FreeBSD global storage for lsof
 */


/*
 * Copyright 1994 Purdue Research Foundation, West Lafayette, Indiana
 * 47907.  All rights reserved.
 *
 * Written by Victor A. Abell
 *
 * This software is not subject to any license of the American Telephone
 * and Telegraph Company or the Regents of the University of California.
 *
 * Permission is granted to anyone to use this software for any purpose on
 * any computer system, and to alter it and redistribute it freely, subject
 * to the following restrictions:
 *
 * 1. Neither the authors nor Purdue University are responsible for any
 *    consequences of the use of this software.
 *
 * 2. The origin of this software must not be misrepresented, either by
 *    explicit claim or by omission.  Credit to the authors and Purdue
 *    University must appear in documentation and sources.
 *
 * 3. Altered versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 *
 * 4. This notice may not be removed or altered.
 */

#ifndef lint
static char copyright[] =
"@(#) Copyright 1994 Purdue Research Foundation.\nAll rights reserved.\n";
static char *rcsid = "$Id: dstore.c,v 1.9 2018/02/14 14:26:03 abe Exp $";
#endif


#include "lsof.h"

struct file *Cfp;			/* curent file's file struct pointer */


/*
 * Drive_Nl -- table to drive the building of Nl[] via build_Nl()
 *             (See lsof.h and misc.c.)
 */

struct drive_Nl Drive_Nl[] = {

	{ X_BADFILEOPS,	"badfileops"	},

#if	FREEBSDV<2005
	{ X_NCACHE,	"_nchhead"	},
#else	/* FREEBSDV>=2005 */
# if	FREEBSDV<2010
	{ X_NCACHE,	"_nclruhead"	},
# else	/* FREEBSDV>=2010 */
	{ X_NCACHE,	"_nchashtbl"	},
# endif	/* FREEBSDV<2010 */
#endif	/* FREEBSDV<2005 */

#if	FREEBSDV<2010
	{ X_NCSIZE,	"_numcache"	},
#else	/* FREEBSDV>=2010 */
	{ X_NCSIZE,	"_nchash"	},
#endif	/* FREEBSDV<2010 */

	{ "",		""		},
	{ NULL,		NULL		}
};

#if	FREEBSDV>=2000
kvm_t *Kd = NULL;			/* kvm descriptor */
#endif	/* FREEBSDV>=2000 */

#if	defined(P_ADDR)
KA_T Kpa;				/* kernel proc struct address */
#endif	/* defined(P_ADDR) */

struct l_vfs *Lvfs = NULL;		/* local vfs structure table */

int Np = 0;				/* number of kernel processes */

#if	FREEBSDV>=2000
struct kinfo_proc *P = NULL;		/* local process table copy */
#endif	/* FREEBSDV>=2000 */

#if	defined(HASFSTRUCT)
/*
 * Pff_tab[] - table for printing file flags
 */

struct pff_tab Pff_tab[] = {
	{ (long)FREAD,		FF_READ		},
	{ (long)FWRITE,		FF_WRITE	},
	{ (long)FNONBLOCK,	FF_NBLOCK	},
	{ (long)FNDELAY,	FF_NDELAY	},
	{ (long)FAPPEND,	FF_APPEND	},
	{ (long)FASYNC,		FF_ASYNC	},
	{ (long)FFSYNC,		FF_FSYNC	},

# if	defined(FMARK)
	{ (long)FMARK,		FF_MARK		},
# endif	/* defined(FMARK) */

# if	defined(FDEFER)
	{ (long)FDEFER,		FF_DEFER	},
# endif	/* defined(FDEFER) */

	{ (long)FHASLOCK,	FF_HASLOCK	},
	{ (long)O_NOCTTY,	FF_NOCTTY	},
	{ (long)0,		NULL 		}
};


/*
 * Pof_tab[] - table for print process open file flags
 */

struct pff_tab Pof_tab[] = {

# if	defined(UF_EXCLOSE)
	{ (long)UF_EXCLOSE,	POF_CLOEXEC	},
# endif	/* defined(UF_EXCLOSE) */

# if	defined(UF_MAPPED)
	{ (long)UF_MAPPED,	POF_MAPPED	},
# endif	/* defined(UF_MAPPED) */

	{ (long)0,		NULL		}
};
#endif	/* defined(HASFSTRUCT) */


/*
 * Kernel's bad file operations address
 */

KA_T X_bfopsa;				/* badfileops kernel address */