98 lines
2.6 KiB
C
98 lines
2.6 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*%% (c) Copyright 1993, 1994 Hewlett-Packard Company */
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/*%% (c) Copyright 1993, 1994 International Business Machines Corp. */
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/*%% (c) Copyright 1993, 1994 Sun Microsystems, Inc. */
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/*%% (c) Copyright 1993, 1994 Novell, Inc. */
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/*%% $XConsortium: isfab.c /main/3 1995/10/23 11:38:24 rswiston $ */
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/*
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* Copyright (c) 1988 by Sun Microsystems, Inc.
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*/
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/*
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* isfab.c
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*
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* Description:
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* The ISAM file access block functions.
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*
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*/
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#include <stdlib.h>
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#include "isam_impl.h"
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/*
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* fab = *fab_new(isfname, mode, varlen, minreclen, maxreclen)
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*
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* Fab_new() creates an File access block (fab object) that is used
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* for all subsequent operations in this file. Return a pointer to
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* the fab object, or NULL in the case of an error.
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* isfname, Local path on the host
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* varlen, 0/1 flag
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*/
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Fab *
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_fab_new(char *isfname, enum openmode openmode, Bool varlen, int minreclen, int maxreclen)
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{
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Fab *fab;
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/* Allocate memory for the fab object. */
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fab = (Fab *) _ismalloc(sizeof(*fab));
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memset((char *)fab, 0, sizeof(*fab));
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if (fab == NULL) {
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iserrno = EFATAL;
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return (NULL);
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}
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/* Set fields in the fab objects. */
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fab->openmode = openmode;
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fab->varlength = varlen;
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fab->minreclen = minreclen;
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fab->maxreclen = maxreclen;
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fab->isfname = _isallocstring(isfname);
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if (fab->isfname == NULL) {
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free((char *)fab);
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iserrno = EFATAL;
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return (NULL);
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}
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return (fab);
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}
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void
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_fab_destroy(Fab *fab)
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{
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assert(fab != NULL);
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assert(fab->isfname != NULL);
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_isfreestring(fab->isfname);
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_bytearr_free(&fab->isfhandle);
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_bytearr_free(&fab->curpos);
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free((char *)fab);
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}
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