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cdesktop/cde/lib/tt/mini_isam/isfname.c

120 lines
2.7 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*%% (c) Copyright 1993, 1994 Hewlett-Packard Company */
/*%% (c) Copyright 1993, 1994 International Business Machines Corp. */
/*%% (c) Copyright 1993, 1994 Sun Microsystems, Inc. */
/*%% (c) Copyright 1993, 1994 Novell, Inc. */
/*%% $XConsortium: isfname.c /main/3 1995/10/23 11:40:04 rswiston $ */
/*
* Copyright (c) 1988 by Sun Microsystems, Inc.
*/
/*
* isfname.c
*
* Description:
* Functions to translate ISAM file name to .rec, .ind, and .var file
* names. Also, several auxiliary functions that deal with path names.
*
*/
#include "isam_impl.h"
/*
* _makedat_isfname(isfname)
*
* Return path to .rec file corresponding to the ISAM file isfname.
* Conversion is done in place.
*/
void
_makedat_isfname(char *isfname)
{
/* Append .rec */
(void) strcat(isfname, DAT_SUFFIX);
}
/*
* _makeind_isfname(isfname)
*
* Return path to .ind file corresponding to the ISAM file isfname.
* Conversion is done in place.
*/
void
_makeind_isfname(char *isfname)
{
/* Append .ind */
(void) strcat(isfname, IND_SUFFIX);
}
/*
* _makevar_isfname(isfname)
*
* Return path to .var file corresponding to the ISAM file isfname.
* Conversion is done in place.
*/
void
_makevar_isfname(char *isfname)
{
/* Append .var */
(void) strcat(isfname, VAR_SUFFIX);
}
/*
* _removelast(path)
*
* Remove last element of path. E.g. /usr/db/part yields /usr/db.
*/
void
_removelast(char *path)
{
char *p;
for (p = path + strlen(path); *--p != '/' && p >= path; )
*p = '\0';
}
/*
* _lastelement(path)
*
* Return pointer to the last element in the path.
* E.g.: _lastelement("/usr/temp") returns "temp".
*/
char *
_lastelement(char *path)
{
char *p;
p = path + strlen(path);
while (*--p != '/' && p > path)
{ ; }
return ((*p == '/') ? (p + 1) : p);
}