197 lines
4.8 KiB
C
197 lines
4.8 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
|
||
*/
|
||
/* $XConsortium: SmXdef.c /main/4 1995/10/30 09:39:16 rswiston $ */
|
||
/* *
|
||
* (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. *
|
||
*/
|
||
/*************************************<+>*************************************
|
||
*****************************************************************************
|
||
**
|
||
** File: SmXdef.c
|
||
**
|
||
** Project: DT Session Manager (dtsession)
|
||
**
|
||
** Description:
|
||
** -----------
|
||
** This file contains routines to manage the Xdefaults file.
|
||
**
|
||
** SmXdefMerge() - merge .Xdefaults file into RESOURCE_MANAGER
|
||
** SmXdefSubtract() - subtract .Xdefaults file from given database
|
||
**
|
||
*****************************************************************************
|
||
*************************************<+>*************************************/
|
||
|
||
#include <stdio.h>
|
||
#include <X11/Intrinsic.h>
|
||
#include "Sm.h"
|
||
#include "SmXrm.h"
|
||
|
||
/*
|
||
* State data
|
||
* dbXdefaults - copy of .Xdefaults in Xrm database form
|
||
*/
|
||
static XrmDatabase dbXdefaults = NULL;
|
||
|
||
|
||
/*
|
||
* Note:
|
||
*
|
||
* The memory for dbXdefaults is freed only upon dtsession termination
|
||
*
|
||
* This code is currently restricted to handling the .Xdefaults file,
|
||
* but can easily be extended to handle other default resource files.
|
||
*
|
||
*/
|
||
|
||
|
||
/*************************************<->*************************************
|
||
*
|
||
* SmXdefMerge(display)
|
||
*
|
||
* Description:
|
||
* -----------
|
||
* Merge the .Xdefaults file into the RESOURCE_MANAGER database
|
||
*
|
||
* Inputs:
|
||
* ------
|
||
* display - display connection
|
||
*
|
||
* Outputs:
|
||
* -------
|
||
*
|
||
*
|
||
* Comments:
|
||
* --------
|
||
*
|
||
*************************************<->***********************************/
|
||
void
|
||
SmXdefMerge(Display *display)
|
||
{
|
||
char *xdefaults;
|
||
char *home;
|
||
|
||
/*
|
||
* Load .Xdefaults
|
||
*/
|
||
if ((home = getenv("HOME")) == NULL)
|
||
home = "";
|
||
|
||
if( (xdefaults = (char *)malloc(strlen(home)+12)) != NULL)
|
||
{
|
||
sprintf(xdefaults,"%s/%s",home,".Xdefaults");
|
||
if(access(xdefaults,R_OK) == 0)
|
||
{
|
||
FILE *fp;
|
||
char *b = NULL;
|
||
int size;
|
||
struct stat statinfo;
|
||
|
||
/*
|
||
* Determine size of file.
|
||
*/
|
||
if (stat(xdefaults, &statinfo) == -1)
|
||
{
|
||
statinfo.st_size = 0;
|
||
}
|
||
|
||
/*
|
||
* Get some memory.
|
||
*/
|
||
if (statinfo.st_size > 0)
|
||
{
|
||
b = (char *)SM_MALLOC(statinfo.st_size + 1);
|
||
}
|
||
|
||
if (b != NULL)
|
||
{
|
||
/*
|
||
* Read file into memory.
|
||
*/
|
||
if ((fp = fopen(xdefaults, "r")) != NULL)
|
||
{
|
||
size = fread(b, 1, statinfo.st_size, fp);
|
||
fclose(fp);
|
||
}
|
||
|
||
if (size == statinfo.st_size)
|
||
{
|
||
/*
|
||
* Merge .Xdefaults string into RESOURCE_MANAGER database, and
|
||
* also convert to Xrm database form for later subtraction.
|
||
*/
|
||
b[size] = '\0';
|
||
_DtAddToResource(display, b);
|
||
dbXdefaults = XrmGetStringDatabase(b);
|
||
SM_FREE(b);
|
||
}
|
||
}
|
||
}
|
||
free(xdefaults);
|
||
}
|
||
}
|
||
|
||
|
||
/*************************************<->*************************************
|
||
*
|
||
* SmXdefSubtract(db)
|
||
*
|
||
* Description:
|
||
* -----------
|
||
* Subract prior merged .Xdefaults file from given database
|
||
*
|
||
* Inputs:
|
||
* ------
|
||
* db - Xrm database from which to subtract .Xdefaults
|
||
*
|
||
* Outputs:
|
||
* -------
|
||
*
|
||
* Return:
|
||
* ------
|
||
* dbResult - result database
|
||
*
|
||
* Comments:
|
||
* --------
|
||
* Caller is responsible for freeing dbResult using XrmDestroyDatabase()
|
||
*
|
||
*
|
||
*************************************<->***********************************/
|
||
XrmDatabase
|
||
SmXdefSubtract(XrmDatabase db)
|
||
{
|
||
XrmDatabase dbResult;
|
||
|
||
if (dbXdefaults)
|
||
{
|
||
dbResult = SmXrmSubtractDatabase(dbXdefaults, db);
|
||
}
|
||
else
|
||
{
|
||
dbResult = NULL;
|
||
}
|
||
return(dbResult);
|
||
}
|