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#ifndef lint
#ifdef sccs
static char sccsid[] = "@(#)xv_error.c 1.36 93/06/28";
#endif
#endif
/*
* (c) Copyright 1989 Sun Microsystems, Inc. Sun design patents
* pending in the U.S. and foreign countries. See LEGAL NOTICE
* file for terms of the license.
*/
#include <stdio.h>
#include <xview/pkg_public.h>
#include <X11/Xlib.h>
#include <xview_private/i18n_impl.h>
#include <xview_private/portable.h>
#if defined(__linux__) && defined(__GLIBC__)
/* martin.buck@bigfoot.com */
#include <errno.h>
#else
/* Unix system error variables */
extern int sys_nerr;
extern char *sys_errlist[];
extern int errno;
#endif
#ifndef __linux__
/* Global already defined in xv_init.c */
Xv_private_data char *xv_app_name;
#else
extern Xv_private_data char *xv_app_name;
#endif
Xv_private int (*xv_error_proc) ();
/*
* xv_error_format - Process the avlist and generate a formatted error message
* of up to ERROR_MAX_STRING_SIZE characters, which has one NEW LINE character
* at the end.
*/
Xv_public char *
xv_error_format(object, avlist)
Xv_object object;
Attr_avlist avlist;
{
static char msg[ERROR_MAX_STRING_SIZE]; /* formatted error message */
Attr_avlist attrs;
#define BUFSIZE 128
char buf[BUFSIZE]; /* to hold reason for error */
Display *dpy;
char *error_string = NULL;
Error_layer layer = ERROR_TOOLKIT;
#define LMSGSIZE 128
char layer_msg[LMSGSIZE]; /* to hold layer message */
char *layer_name;
int length;
char *pkg_name = NULL;
char *severity = "warning";
XErrorEvent *xerror = NULL;
buf[0] = 0;
for (attrs = avlist; *attrs; attrs = attr_next(attrs)) {
switch ((int) attrs[0]) {
case ERROR_BAD_ATTR:
sprintf(buf,
XV_MSG("bad attribute, %s"),
attr_name(attrs[1]));
break;
case ERROR_BAD_VALUE:
sprintf(buf,
XV_MSG("bad value (0x%x) for attribute %s"),
attrs[1],
attr_name(attrs[2]));
break;
case ERROR_CANNOT_GET:
sprintf(buf,
XV_MSG("cannot get %s"),
attr_name(attrs[1]));
break;
case ERROR_CANNOT_SET:
sprintf(buf,
XV_MSG("cannot set %s"),
attr_name(attrs[1]));
break;
case ERROR_CREATE_ONLY:
sprintf(buf,
XV_MSG("%s only valid in xv_create"),
attr_name(attrs[1]));
break;
case ERROR_INVALID_OBJECT:
sprintf(buf,
XV_MSG("invalid object (%s)"),
(char *) attrs[1]);
break;
case ERROR_LAYER:
if ((unsigned int) attrs[1] <= (unsigned int) ERROR_PROGRAM)
layer = (Error_layer) attrs[1];
break;
case ERROR_PKG:
pkg_name = ((Xv_pkg *) attrs[1])->name;
break;
case ERROR_SERVER_ERROR:
xerror = (XErrorEvent *) attrs[1];
break;
case ERROR_SEVERITY:
if ((Error_severity) attrs[1] == ERROR_NON_RECOVERABLE)
severity = XV_MSG("error");
break;
case ERROR_STRING:
error_string = (char *) attrs[1];
break;
}
}
switch (layer) {
case ERROR_SYSTEM:
layer_name = XV_MSG("System");
if ((int) errno < sys_nerr)
sprintf(layer_msg, "%s", sys_errlist[(int) errno]);
else
sprintf(layer_msg, XV_MSG("unix error %d"),
(int) errno);
break;
case ERROR_SERVER:
layer_name = XV_MSG("Server");
if (xerror) {
dpy = xerror->display;
XGetErrorText(dpy, (int) xerror->error_code, layer_msg, LMSGSIZE);
} else
strcpy(layer_msg, XV_MSG("error unknown"));
break;
case ERROR_TOOLKIT:
layer_name = XV_MSG("XView");
layer_msg[0] = 0;
break;
case ERROR_PROGRAM:
layer_name = xv_app_name;
layer_msg[0] = 0;
break;
}
if (!object)
sprintf(msg, "%s %s:", layer_name, severity);
else
sprintf(msg, XV_MSG("%s %s: Object 0x%x,"),
layer_name, severity, object);
if (layer_msg[0]) {
strcat(msg, " ");
strcat(msg, layer_msg);
}
if (buf[0]) {
strcat(msg, " ");
strcat(msg, buf);
}
if (error_string) {
/* Append ERROR_STRING, stripping off trailing New Lines. */
length = strlen(error_string);
while (length && error_string[length-1] == '\n')
length--;
if (length) {
if (layer_msg[0] || buf[0])
strcat(msg, ", ");
else
strcat(msg, " ");
strncat(msg, error_string, length);
}
}
if (pkg_name)
sprintf(msg, XV_MSG("%s (%s package)\n"),
msg, pkg_name);
else
strcat(msg, "\n");
return msg;
}
/*
* xv_error_default - default error routine called by xv_error() (below).
* Print the formatted error message generated by xv_error_format to stderr.
* If ERROR_SEVERITY is ERROR_RECOVERABLE, xv_error_default returns to the
* caller with XV_OK. Otherwise, the program is aborted with an exit(1).
*/
Xv_public int
xv_error_default(object, avlist)
Xv_object object;
Attr_avlist avlist;
{
Attr_attribute *attrs;
Error_severity severity = ERROR_RECOVERABLE;
fprintf(stderr, "%s", xv_error_format(object, avlist));
for (attrs = avlist; *attrs; attrs = attr_next(attrs))
switch (attrs[0]) {
case ERROR_SEVERITY:
severity = (Error_severity) attrs[1];
break;
}
if (severity != ERROR_RECOVERABLE)
exit(1);
return XV_OK;
}
Xv_public int
#ifdef ANSI_FUNC_PROTO
xv_error(Xv_object object, ...)
#else
xv_error(object, va_alist)
Xv_object object;
va_dcl
#endif
{
va_list valist;
AVLIST_DECL;
VA_START(valist, object);
MAKE_AVLIST( valist, avlist );
va_end(valist);
if (xv_error_proc)
return ((*xv_error_proc) (object, avlist));
else
return (xv_error_default(object, avlist));
}
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