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SimpleSkyCam/error.cc

103 lines
2.4 KiB

/***************************************************************************************
*
* error.h is part of SimpleSkyCam.
*
*****************************************************************************************/
#ifndef BUILD_WINDOWS
#include <execinfo.h>
#endif
#include <string>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <math.h>
#include "gui.h"
#include "error.h"
#include "configuration.h"
extern GtkBuilder *_builder_; // work around for threads
gboolean errormessage_thread (gpointer data) {
struct ErrorMessage *em = (struct ErrorMessage*) data;
GtkWidget *window = GTK_WIDGET(gtk_builder_get_object (GTK_BUILDER(_builder_),
em->window));
if (window == NULL) window = GTK_WIDGET(gtk_builder_get_object (GTK_BUILDER(_builder_),
"window-main"));
GtkWidget *dialog;
dialog = gtk_message_dialog_new(GTK_WINDOW(window),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_OK,
"%s", em->message);
gtk_window_set_title(GTK_WINDOW(dialog), em->title);
gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
free (em);
return false;
};
void errormessage_display (char *window, char *title, char *fmt,...) {
struct ErrorMessage *em = (struct ErrorMessage *) malloc (sizeof (struct ErrorMessage));
va_list args;
char buffer[ERRORMSG_LEN];
va_start (args, fmt);
vsnprintf (buffer, (ERRORMSG_LEN-1), fmt, args);
va_end (args);
buffer[ERRORMSG_LEN-1] = 0;
strncpy(em->title, title, ERRORMSG_LEN); em->title[ERRORMSG_LEN-1] = 0;
strncpy(em->message, buffer, ERRORMSG_LEN); em->message[ERRORMSG_LEN-1] = 0;
strncpy(em->window, window, ERRORMSG_LEN); em->window[ERRORMSG_LEN-1] = 0;
gdk_threads_add_idle(errormessage_thread, em);
};
/*
* print error message and the backtrace
*/
#define SIZE 100
void errorexit (char *fmt,...) {
//
// error message
va_list args;
char text[4096];
va_start (args, fmt);
vsnprintf (text, 4096, fmt, args);
va_end (args);
printf ("***************************\n");
printf (" ERROR\n");
printf ("***************************\n");
printf ("%s", text);
#ifndef BUILD_WINDOWS
//
// backtrace
int j, nptrs;
void *buffer[SIZE];
char **s;
nptrs = backtrace(buffer, SIZE);
if ((s = (char**) backtrace_symbols(buffer, nptrs)) == NULL) {
for (j = 0; j < nptrs; j++) printf ("%-5d %p\n", j, buffer[j]);
}
else {
for (j = 0; j < nptrs; j++) printf ("%-5d %s\n", j, s[j]);
}
#endif
exit (-1);
}