1 /*
2 
3 Copyright 1988, 1998  The Open Group
4 
5 Permission to use, copy, modify, distribute, and sell this software and its
6 documentation for any purpose is hereby granted without fee, provided that
7 the above copyright notice appear in all copies and that both that
8 copyright notice and this permission notice appear in supporting
9 documentation.
10 
11 The above copyright notice and this permission notice shall be included in
12 all copies or substantial portions of the Software.
13 
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 
21 Except as contained in this notice, the name of The Open Group shall not be
22 used in advertising or otherwise to promote the sale, use or other dealings
23 in this Software without prior written authorization from The Open Group.
24 
25 */
26 
27 #ifdef HAVE_CONFIG_H
28 #include <config.h>
29 #endif
30 #include <stdio.h>
31 #include <X11/Xlibint.h>
32 #include <X11/Xproto.h>
33 #include <X11/Xmu/Error.h>
34 #include <X11/Xmu/SysUtil.h>
35 
36 /*
37  * XmuPrintDefaultErrorMessage - print a nice error that looks like the usual
38  * message.  Returns 1 if the caller should consider exitting else 0.
39  */
40 int
XmuPrintDefaultErrorMessage(Display * dpy,XErrorEvent * event,FILE * fp)41 XmuPrintDefaultErrorMessage(Display *dpy, XErrorEvent *event, FILE *fp)
42 {
43     char buffer[BUFSIZ];
44     char mesg[BUFSIZ];
45     char number[32];
46     _Xconst char *mtype = "XlibMessage";
47     register _XExtension *ext = (_XExtension *)NULL;
48     _XExtension *bext = (_XExtension *)NULL;
49     XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
50     XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
51     (void) fprintf(fp, "%s:  %s\n  ", mesg, buffer);
52     XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d",
53 	mesg, BUFSIZ);
54     (void) fprintf(fp, mesg, event->request_code);
55     if (event->request_code < 128) {
56 	XmuSnprintf(number, sizeof(number), "%d", event->request_code);
57 	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
58     } else {
59 	/* XXX this is non-portable */
60 	for (ext = dpy->ext_procs;
61 	     ext && (ext->codes.major_opcode != event->request_code);
62 	     ext = ext->next)
63 	  ;
64 	if (ext)
65 	  XmuSnprintf(buffer, sizeof(buffer), "%s", ext->name);
66 	else
67 	    buffer[0] = '\0';
68     }
69     (void) fprintf(fp, " (%s)", buffer);
70     fputs("\n  ", fp);
71     if (event->request_code >= 128) {
72 	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
73 			      mesg, BUFSIZ);
74 	(void) fprintf(fp, mesg, event->minor_code);
75 	if (ext) {
76 	    XmuSnprintf(mesg, sizeof(mesg),
77 			"%s.%d", ext->name, event->minor_code);
78 	    XGetErrorDatabaseText(dpy, "XRequest", mesg, "", buffer, BUFSIZ);
79 	    (void) fprintf(fp, " (%s)", buffer);
80 	}
81 	fputs("\n  ", fp);
82     }
83     if (event->error_code >= 128) {
84 	/* kludge, try to find the extension that caused it */
85 	buffer[0] = '\0';
86 	for (ext = dpy->ext_procs; ext; ext = ext->next) {
87 	    if (ext->error_string)
88 		(*ext->error_string)(dpy, event->error_code, &ext->codes,
89 				     buffer, BUFSIZ);
90 	    if (buffer[0]) {
91 		bext = ext;
92 		break;
93 	    }
94 	    if (ext->codes.first_error &&
95 		ext->codes.first_error < event->error_code &&
96 		(!bext || ext->codes.first_error > bext->codes.first_error))
97 		bext = ext;
98 	}
99 	if (bext)
100 	    XmuSnprintf(buffer, sizeof(buffer), "%s.%d", bext->name,
101 			event->error_code - bext->codes.first_error);
102 	else
103 	    strcpy(buffer, "Value");
104 	XGetErrorDatabaseText(dpy, mtype, buffer, "", mesg, BUFSIZ);
105 	if (mesg[0]) {
106 	    fputs("  ", fp);
107 	    (void) fprintf(fp, mesg, event->resourceid);
108 	    fputs("\n", fp);
109 	}
110 	/* let extensions try to print the values */
111 	for (ext = dpy->ext_procs; ext; ext = ext->next) {
112 	    if (ext->error_values)
113 		(*ext->error_values)(dpy, event, fp);
114 	}
115     } else if ((event->error_code == BadWindow) ||
116 	       (event->error_code == BadPixmap) ||
117 	       (event->error_code == BadCursor) ||
118 	       (event->error_code == BadFont) ||
119 	       (event->error_code == BadDrawable) ||
120 	       (event->error_code == BadColor) ||
121 	       (event->error_code == BadGC) ||
122 	       (event->error_code == BadIDChoice) ||
123 	       (event->error_code == BadValue) ||
124 	       (event->error_code == BadAtom)) {
125 	if (event->error_code == BadValue)
126 	    XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
127 				  mesg, BUFSIZ);
128 	else if (event->error_code == BadAtom)
129 	    XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
130 				  mesg, BUFSIZ);
131 	else
132 	    XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
133 				  mesg, BUFSIZ);
134 	(void) fprintf(fp, mesg, event->resourceid);
135 	fputs("\n  ", fp);
136     }
137     XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
138 	mesg, BUFSIZ);
139     (void) fprintf(fp, mesg, event->serial);
140     fputs("\n  ", fp);
141     XGetErrorDatabaseText(dpy, mtype, "CurrentSerial", "Current Serial #%d",
142 	mesg, BUFSIZ);
143     (void) fprintf(fp, mesg, NextRequest(dpy)-1);
144     fputs("\n", fp);
145     if (event->error_code == BadImplementation) return 0;
146     return 1;
147 }
148 
149 
150 /*
151  * XmuSimpleErrorHandler - ignore errors for XQueryTree, XGetWindowAttributes,
152  * and XGetGeometry; print a message for everything else.  In all case, do
153  * not exit.
154  */
155 int
XmuSimpleErrorHandler(Display * dpy,XErrorEvent * errorp)156 XmuSimpleErrorHandler(Display *dpy, XErrorEvent *errorp)
157 {
158     switch (errorp->request_code) {
159       case X_QueryTree:
160       case X_GetWindowAttributes:
161         if (errorp->error_code == BadWindow) return 0;
162 	break;
163       case X_GetGeometry:
164 	if (errorp->error_code == BadDrawable) return 0;
165 	break;
166     }
167     /* got a "real" X error */
168     return XmuPrintDefaultErrorMessage (dpy, errorp, stderr);
169 }
170