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From: mouse@lightning.mcrcim.mcgill.EDU
Newsgroups: comp.windows.x
Subject: Re:  Help on XrmGetResource
Message-ID: <9102210941.AA11117@lightning.McRCIM.McGill.EDU>
Date: 21 Feb 91 09:41:55 GMT
Sender: daemon@athena.mit.edu (Mr Background)
Organization: The Internet
Lines: 51

> I am having a problem retrieving resources from the resource manager
> database.  I am able to load a file into the database using
> XrmGetFileDatabase, but I cannot retrieve the information from the
> database.  I am getting a segmentation fault upon using the
> XrmGetResource function.

I can't really guess why this might be without seeing the code.

> If anyone has successfully used these Xrm functions please send me
> email.  An example of code would also be greatly appreciated.

My code does things like this.  (This is highly condensed; lots of
irrelevant code has been stripped out.)

	char *defaults = "..."; /* hardwired default defaults */
	XrmDatabase db;
....
	 char *str;
	 XrmDatabase db2;
	 db = XrmGetStringDatabase(defaults);
	 str = XResourceManagerString(disp);
	 if (str)
	  { db2 = XrmGetStringDatabase(str);
	    XrmMergeDatabases(db2,&db);
	  }
	 else
	  { /* ...construct a filename based on $HOME... */
	    db2 = XrmGetFileDatabase(str);
	    if (db2)
	     { XrmMergeDatabases(db2,&db);
	     }
	  }
....
	 char *name;
	 char *class;
	 char *type;
	 XrmValue value;
	 if (XrmGetResource(db,name,class,&type,&value) == False)
	  { /* ...failure... */
	  }
	 else
	  { /* value.addr points to the thing found in the database */
	  }

If you're still having trouble, I'd be willing to look at a small test
program....

					der Mouse

			old: mcgill-vision!mouse
			new: mouse@larry.mcrcim.mcgill.edu