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#if 0
static char rcsid[] = "misc.c,v 2.0 1994/05/19 02:01:19 dan Exp";
#endif
/*
* Copyright (c) 1994 Daniel Williams
* Copyright (c) 2003 Erik de Castro Lopo
*
* The X Consortium, and any party obtaining a copy of these files from
* the X Consortium, directly or indirectly, is granted, free of charge,
* a full and unrestricted irrevocable, world-wide, paid up,
* royalty-free, nonexclusive right and license to deal in this software
* and documentation files (the "Software"), including without limitation
* the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons
* who receive copies from any such party to do so. This license
* includes without limitation a license to do the foregoing actions
* under any patents of the party supplying this software to the X
* Consortium. The following conditions apply:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL DANIEL WILLIAMS OR SYSTEMS & SCIENTIFIC SOFTWARE BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <X11/Xos.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <Xm/Xm.h>
#include <X11/cursorfont.h>
#include <X11/Shell.h>
#include <Xm/SashP.h>
#include "mgdiff.h"
#include "externs.h"
int max (int i, int j)
{
return ((i > j) ? i : j);
}
int min (int i, int j)
{
return ((i < j) ? i : j);
}
/*
* Create a temporary file and write all text from the input stream (up to
* the EOF) to the file.
* The name of the temp file is returned to the user in *name.
*/
int copy_to_tempfile (FILE *fin, char *name, size_t name_len)
{
FILE *fout ;
int fd ;
/*
** Seed the random() generator. This does not need to be super
** randomised as the while loop below will be run until a file
** is opened.
*/
srandom (getpid () + getppid () + time (NULL)) ;
while (1) {
snprintf (name, name_len, "/tmp/mgdiff-%#lx", random()) ;
if ((fd = open (name, O_CREAT | O_EXCL | O_RDWR, 0600)) < 0) {
if (errno == EEXIST)
continue ;
return 1 ;
}
if ((fout = fdopen (fd, "r+")) == NULL) {
close (fd) ;
return 1 ;
}
break ;
}
while (!feof (fin)) {
char buffer[BUFSIZ];
int nitems;
nitems = fread (buffer, 1, BUFSIZ, fin);
if (fwrite (buffer, 1, nitems, fout) != nitems)
break;
}
if (ferror (fin) || ferror (fout)) {
(void) fclose (fout);
return (1);
}
return ((fclose (fout) == 0));
}
void set_cursor (Widget w)
{
static Cursor watch = 0;
if (!watch)
watch = XCreateFontCursor (XtDisplay (w), XC_watch);
XDefineCursor (XtDisplay (w), XtWindow (w), watch);
XmUpdateDisplay (w);
}
void reset_cursor (Widget w)
{
XUndefineCursor (XtDisplay (w), XtWindow (w));
XmUpdateDisplay (w);
}
/*
* traverse up to the top shell
*/
Widget get_top_shell (Widget w)
{
while (w && !XtIsWMShell (w))
w = XtParent (w);
return (w);
}
#if sun
char *strerror (int errnum)
{
extern int sys_nerr;
extern char *sys_errlist[];
if ((0 < errnum) && (errnum < sys_nerr))
return (sys_errlist[errnum]);
else
return ("");
}
#endif
void add_editres (Widget shell)
{
#if EDITRES && X11R5
extern void _XEditResCheckMessages (Widget widget,
XtPointer closure,
XEvent *event,
Boolean *continue_to_dispatch);
XtAddEventHandler (shell, (EventMask) 0, True, _XEditResCheckMessages, NULL);
#endif
}
/*
* from Heller's Motif Programming Manual; eliminate the ability to
* traverse to a PanedWindow's sashes.
*/
void turn_off_sash_traversal (Widget pane)
{
WidgetList children;
int num_children;
XtVaGetValues (pane, XmNchildren, &children, XmNnumChildren, &num_children, NULL);
while (num_children-- > 0)
if (XmIsSash (children[num_children]))
XtVaSetValues (children[num_children], XmNtraversalOn, False, NULL);
}
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