mirror of
git://git.code.sf.net/p/cdesktopenv/code
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128 lines
3.2 KiB
C
128 lines
3.2 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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/*%% $TOG: isgarbage.c /main/5 1998/04/10 08:04:25 mgreess $ */
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#include "isam_impl.h"
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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int
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isgarbage(char * isfname)
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{
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char isfname2[MAXPATHLEN];
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int isfd = -1, isfd2 = -1;
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char buffer[ISMAXRECLEN];
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char *recbuf = NULL;
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struct dictinfo info;
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struct keydesc keybuf;
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struct stat statbuf;
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int count = 0,i;
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snprintf(isfname2, sizeof(isfname2), "%s~", isfname);
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if ((isfd = isopen(isfname, ISEXCLLOCK + ISINPUT)) == ISERROR) {
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goto ERROR;
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}
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if (isindexinfo(isfd, (struct keydesc *)&info, 0) == ISERROR) {
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goto ERROR;
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}
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if (strlen(isfname) + 5 >= ISMAXRECLEN)
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recbuf = (char*) malloc(strlen(isfname) + 5);
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else
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recbuf = buffer;
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sprintf(recbuf, "%s.rec", isfname);
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if (stat(recbuf, &statbuf) < 0) {
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goto ERROR;
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}
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iserase(isfname2); /* Delete any old backup (~) files. */
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if ((isfd2 = isbuild(isfname2, info.di_recsize, nokey,
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(DICTVARLENBIT&info.di_nkeys?ISVARLEN: ISFIXLEN)
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+ ISEXCLLOCK + ISINOUT)) == ISERROR) {
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goto ERROR;
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}
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/* Copy all records */
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while (isread(isfd, recbuf, ISNEXT) == ISOK) {
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iswrite(isfd2, recbuf);
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count++;
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}
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if (count != info.di_nrecords) {
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goto ERROR;
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}
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/* Build all indexes from index info */
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for (i = 1; i <= (info.di_nkeys & DICTNKEYSMASK); i++) {
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if (isindexinfo(isfd, &keybuf, i) == ISERROR) {
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goto ERROR;
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}
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if (i == 1 && keybuf.k_nparts != 0) {
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/* Add primary index */
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if (isaddprimary(isfd2, &keybuf) == ISERROR) {
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goto ERROR;
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}
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}
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else if (i > 1) {
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/* Add secondary index */
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if (isaddindex(isfd2, &keybuf) == ISERROR) {
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goto ERROR;
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}
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}
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}
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(void)isclose(isfd);
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(void)isclose(isfd2);
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iserase(isfname); /* cannot abort at this point ! */
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if (isrename(isfname2, isfname) == ISERROR) {
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return (ISERROR);
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}
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return (ISOK);
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ERROR:
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if (isfd != -1)
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(void)isclose(isfd);
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if (isfd2 != -1) {
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(void)isclose(isfd2);
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(void)iserase(isfname2);
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}
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if ((recbuf != buffer) && (recbuf != NULL)) {
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free(recbuf);
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}
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return (ISERROR);
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}
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