130 lines
3.8 KiB
C
130 lines
3.8 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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/* $XConsortium: renfile.c /main/2 1996/05/09 04:16:22 drk $ */
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/*
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* COMPONENT_NAME: austext
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*
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* FUNCTIONS: d_renfile
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* renfiles
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*
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* ORIGINS: 157
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*
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* OBJECT CODE ONLY SOURCE MATERIALS
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*/
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/*-----------------------------------------------------------------------
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renfile - Database file rename functions
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This file contains functions which perform dynamic
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db_VISTA database file renaming.
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(C) Copyright 1986 by Raima Corp.
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-----------------------------------------------------------------------*/
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#include <stdio.h>
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#include "vista.h"
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#include "dbtype.h"
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/* Rename database file
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*/
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int
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d_renfile(
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const char *dbn, /* database containing file to be renamed */
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FILE_NO fno, /* file id number for file to be renamed */
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const char *fnm /* new file name */
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)
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{
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REN_ENTRY_P r;
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DB_ENTER(NO_DB_ID TASK_ID LOCK_SET(LOCK_ALL));
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if ( dbopen ) RETURN( dberr(S_DBOPEN) );
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r.ptr = (REN_ENTRY *)ALLOC(&r, sizeof(REN_ENTRY), "r");
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if ( r.ptr == NULL )
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RETURN( dberr(S_NOMEMORY) );
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ll_access(&ren_list);
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if ( ll_append(&ren_list, (CHAR_P *)&r) != S_OKAY ) {
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RETURN( db_status );
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}
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r.ptr->Ren_db_name.ptr =
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ALLOC(&r.ptr->Ren_db_name, strlen(dbn)+1,"r.ptr->Ren_db_name");
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r.ptr->File_name.ptr =
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ALLOC(&r.ptr->File_name, strlen(fnm)+1,"r.ptr->File_name");
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if ( ! r.ptr->Ren_db_name.ptr || ! r.ptr->File_name.ptr )
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RETURN( dberr(S_NOMEMORY) );
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strcpy(r.ptr->Ren_db_name.ptr, dbn);
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strcpy(r.ptr->File_name.ptr, fnm);
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r.ptr->file_no = fno;
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MEM_UNLOCK(&r.ptr->Ren_db_name);
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MEM_UNLOCK(&r.ptr->File_name);
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ll_deaccess(&ren_list);
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RETURN( db_status = S_OKAY );
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}
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/* Process renamed file table
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*/
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int
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renfiles(void)
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{
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int dbt_lc; /* loop control */
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REN_ENTRY_P *rp;
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DB_ENTRY *db_ptr;
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if ( ll_access(&ren_list) ) {
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db_ptr = curr_db_table; /* Have to save it because of macros */
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while ((rp = (REN_ENTRY_P *)ll_next(&ren_list)) != NULL) {
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MEM_LOCK(&rp->ptr->Ren_db_name);
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MEM_LOCK(&rp->ptr->File_name);
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for (dbt_lc = no_of_dbs, curr_db_table = db_table;
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--dbt_lc >= 0; ++curr_db_table) {
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if (strcmp(rp->ptr->Ren_db_name.ptr, DB_REF(db_name)) == 0) {
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if ( rp->ptr->file_no < 0 || rp->ptr->file_no >= DB_REF(Size_ft) ) {
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MEM_UNLOCK(&rp->ptr->Ren_db_name);
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MEM_UNLOCK(&rp->ptr->File_name);
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FREE(&rp->ptr->Ren_db_name);
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FREE(&rp->ptr->File_name);
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ll_deaccess(&ren_list);
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return( dberr(S_RENAME) );
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}
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snprintf(file_table[NUM2INT(rp->ptr->file_no, ft_offset)].ft_name, FILENMLEN, "%s",
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rp->ptr->File_name.ptr);
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break;
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}
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}
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MEM_UNLOCK(&rp->ptr->Ren_db_name);
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MEM_UNLOCK(&rp->ptr->File_name);
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FREE(&rp->ptr->Ren_db_name);
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FREE(&rp->ptr->File_name);
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}
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curr_db_table = db_ptr;
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}
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ll_deaccess(&ren_list);
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ll_free(&ren_list);
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return( db_status = S_OKAY );
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}
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/* vpp -nOS2 -dUNIX -nBSD -nVANILLA_BSD -nVMS -nMEMLOCK -nWINDOWS -nFAR_ALLOC -f/usr/users/master/config/nonwin renfile.c */
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