1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/*
* FIG : Facility for Interactive Generation of figures
* Copyright (c) 1985-1988 by Supoj Sutanthavibul
* Parts Copyright (c) 1989-2000 by Brian V. Smith
* Parts Copyright (c) 1991 by Paul King
*
* Any party obtaining a copy of these files 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, with the only requirement being
* that this copyright notice remain intact.
*
*/
#include "fig.h"
#include "resources.h"
#include "main.h"
#include "mode.h"
#include "patchlevel.h"
#include "version.h"
#define MAXERRORS 6
#define MAXERRMSGLEN 512
static int error_cnt = 0;
error_handler(err_sig)
int err_sig;
{
fprintf(stderr,"\nxfig%s.%s: ",FIG_VERSION,PATCHLEVEL);
switch (err_sig) {
case SIGHUP:
fprintf(stderr, "SIGHUP signal trapped\n");
break;
case SIGFPE:
fprintf(stderr, "SIGFPE signal trapped\n");
break;
#ifdef SIGBUS
case SIGBUS:
fprintf(stderr, "SIGBUS signal trapped\n");
break;
#endif
case SIGSEGV:
fprintf(stderr, "SIGSEGV signal trapped\n");
break;
default:
fprintf(stderr, "Unknown signal (%d)\n", err_sig);
break;
}
emergency_quit(True);
}
X_error_handler(d, err_ev)
Display *d;
XErrorEvent *err_ev;
{
char err_msg[MAXERRMSGLEN];
char ernum[10];
/* uninstall error handlers so we don't recurse if another error happens! */
XSetErrorHandler(NULL);
XSetIOErrorHandler((XIOErrorHandler) NULL);
XGetErrorText(tool_d, (int) (err_ev->error_code), err_msg, MAXERRMSGLEN - 1);
(void) fprintf(stderr,
"xfig%s.%s: X error trapped - error message follows:\n%s\n",
FIG_VERSION,PATCHLEVEL,err_msg);
(void) sprintf(ernum, "%d", (int)err_ev->request_code);
XGetErrorDatabaseText(tool_d, "XRequest", ernum, "<Unknown>", err_msg, MAXERRMSGLEN);
(void) fprintf(stderr, "Request code: %s\n",err_msg);
emergency_quit(True);
}
emergency_quit(abortflag)
Boolean abortflag;
{
if (++error_cnt > MAXERRORS) {
fprintf(stderr, "xfig: too many errors - giving up.\n");
exit(-1);
}
signal(SIGHUP, SIG_DFL);
signal(SIGFPE, SIG_DFL);
#ifdef SIGBUS
signal(SIGBUS, SIG_DFL);
#endif
signal(SIGSEGV, SIG_DFL);
aborting = abortflag;
if (figure_modified && !emptyfigure()) {
fprintf(stderr, "xfig: attempting to save figure\n");
if (emergency_save("SAVE.fig") == -1)
if (emergency_save(strcat(TMPDIR,"/SAVE.fig")) == -1)
fprintf(stderr, "xfig: unable to save figure\n");
} else
fprintf(stderr, "xfig: figure empty or not modified - exiting\n");
goodbye(abortflag); /* finish up and exit */
}
/* ARGSUSED */
void
my_quit(w, event, params, num_params)
Widget w;
XEvent *event;
String *params;
Cardinal *num_params;
{
if (event && event->type == ClientMessage &&
#ifdef WHEN_SAVE_YOURSELF_IS_FIXED
((event->xclient.data.l[0] != wm_protocols[0]) &&
(event->xclient.data.l[0] != wm_protocols[1])))
#else
(event->xclient.data.l[0] != wm_protocols[0]))
#endif
{
return;
}
/* quit after asking whether user wants to save figure */
quit(w, 0, 0);
}
|
