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/*
* Copyright 1991 by David A. Curry
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation. The
* author makes no representations about the suitability of this software for
* any purpose. It is provided "as is" without express or implied warranty.
*/
#ifndef lint
static char *RCSid = "$Header: /home/harbor/davy/stuff/xpostit/RCS/util.c,v 1.6 1992/12/11 13:03:56 davy Exp $";
#endif
/*
* util.c - utility routines.
*
* David A. Curry
* Purdue University
* Engineering Computer Network
* West Lafayette, IN 47907
* davy@ecn.purdue.edu
*
* $Log: util.c,v $
* Revision 1.6 1992/12/11 13:03:56 davy
* Reverted to my way of SysV portability; Xfuncs.h does not exist in X11R4.
*
* Revision 1.5 1992/12/09 20:11:55 davy
* Miscellaneous System V compilation fixes.
*
* Revision 1.4 1991/09/06 18:29:31 davy
* Added copyright/permission notice for submission to MIT R5 contrib.
*
* Revision 1.3 91/09/06 17:15:00 davy
* Changed my address.
*
* Revision 1.2 90/06/14 11:21:14 davy
* Ported to X11 Release 4.
*
* Revision 1.1 90/06/13 09:48:49 davy
* Initial revision
*
*/
#include <X11/StringDefs.h>
#include <X11/Intrinsic.h>
#include <sys/param.h>
#include <stdio.h>
#include <pwd.h>
#include "xpostit.h"
/*
* ByeBye - clean up and exit.
*/
void
ByeBye()
{
/*
* If saving notes is on, save all notes.
*/
if (app_res.save_notes)
SaveAllNotes();
XtUnmapWidget(toplevel);
XCloseDisplay(display);
exit(0);
}
/*
* SetNoteDir - determine the path to the note directory.
*/
void
SetNoteDir()
{
char *getenv();
char *home, *s;
struct passwd *pwd;
char fname[MAXPATHLEN];
/*
* If it's an absolute path name,
* we're done.
*/
if (app_res.note_dir[0] == '/')
return;
/*
* Find the user's home directory.
*/
if ((home = getenv("HOME")) == NULL) {
if ((pwd = getpwuid(getuid())) == NULL) {
fprintf(stderr, "xpostit: who are you?\n");
exit(1);
}
home = pwd->pw_dir;
}
/*
* Save the path.
*/
sprintf(fname, "%s/%s", home, app_res.note_dir);
s = SafeAlloc(strlen(fname) + 1);
app_res.note_dir = s;
strcpy(s, fname);
}
/*
* MakeFname - make a file name from a note index number.
*/
char *
MakeFname(index)
register int index;
{
char *s;
char fname[MAXPATHLEN];
sprintf(fname, "%s/%s%d", app_res.note_dir, PostItNoteFname, index);
s = SafeAlloc(strlen(fname) + 1);
strcpy(s, fname);
return(s);
}
/*
* SafeAlloc - allocate n bytes of memory, exit if we run out.
*/
char *
SafeAlloc(nbytes)
register int nbytes;
{
char *malloc();
register char *s;
if ((s = malloc(nbytes)) == NULL) {
fprintf(stderr, "xpostit: out of memory.\n");
exit(1);
}
bzero(s, nbytes);
return(s);
}
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