mirror of
https://github.com/edeproject/ede.git
synced 2023-08-10 21:13:03 +03:00
275 lines
6.6 KiB
C++
275 lines
6.6 KiB
C++
/*
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* $Id$
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*
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* Ecrasher, a crash handler tool
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* Part of Equinox Desktop Environment (EDE).
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* Copyright (c) 2008 EDE Authors.
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*
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* This program is licensed under terms of the
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* GNU General Public License version 2 or newer.
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* See COPYING for details.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "icons/core.xpm"
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#include "CrashDialog.h"
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#include <FL/Fl.H>
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#include <FL/Fl_Pixmap.H>
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#include <FL/Fl_File_Chooser.H>
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#include <sys/utsname.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <edelib/Nls.h>
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#include <edelib/File.h>
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#include <edelib/MessageBox.h>
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#include <edelib/FileTest.h>
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#define DIALOG_W 380
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#define DIALOG_H 130
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#define DIALOG_W_EXPANDED 380
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#define DIALOG_H_EXPANDED 340
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int spawn_backtrace(const char* gdb_path, const char* program, const char* core, const char* output, const char* script) {
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const char* gdb_script = "bt\nquit\n";
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const int gdb_script_len = 8;
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/* file with gdb commands */
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int sfd = open(script, O_WRONLY | O_TRUNC | O_CREAT, 0770);
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if(sfd == -1)
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return -1;
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write(sfd, gdb_script, gdb_script_len);
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close(sfd);
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/* output file with gdb backtrace */
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int ofd = open(output, O_WRONLY | O_TRUNC | O_CREAT, 0770);
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if(ofd == -1)
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return -1;
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pid_t pid = fork();
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if(pid == -1) {
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close(ofd);
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return -1;
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} else if(pid == 0) {
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dup2(ofd, 1);
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close(ofd);
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char* argv[8];
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argv[0] = (char*)gdb_path;
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argv[1] = "--quiet";
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argv[2] = "--batch";
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argv[3] = "-x";
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argv[4] = (char*)script;
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argv[5] = (char*)program;
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argv[6] = (char*)core;
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argv[7] = 0;
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execvp(argv[0], argv);
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return -1;
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} else {
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int status;
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if(waitpid(pid, &status, 0) != pid)
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return -1;
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}
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return 0;
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}
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edelib::String get_uname(void) {
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struct utsname ut;
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uname(&ut);
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edelib::String ret;
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ret.printf("%s %s %s %s %s", ut.sysname, ut.nodename, ut.release, ut.version, ut.machine);
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return ret;
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}
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void show_details_cb(Fl_Widget*, void* cd) {
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CrashDialog* c = (CrashDialog*)cd;
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c->show_details();
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}
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void close_cb(Fl_Widget*, void* cd) {
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CrashDialog* c = (CrashDialog*)cd;
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c->hide();
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}
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void save_cb(Fl_Widget*, void* cd) {
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CrashDialog* c = (CrashDialog*)cd;
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c->save();
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}
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CrashDialog::CrashDialog() : Fl_Window(DIALOG_W, DIALOG_H, _("EDE crash handler")),
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appname(NULL), apppath(NULL), bugaddress(NULL), pid(NULL), signal_num(NULL) {
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details_shown = false;
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begin();
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pix = new Fl_Pixmap((const char**)core_xpm);
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icon_box = new Fl_Box(10, 10, 70, 75);
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icon_box->image(pix);
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txt_box = new Fl_Box(85, 10, 285, 75);
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txt_box->align(FL_ALIGN_WRAP | FL_ALIGN_LEFT | FL_ALIGN_INSIDE);
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close = new Fl_Button(280, 95, 90, 25, _("&Close"));
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close->callback(close_cb, this);
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details = new Fl_Button(10, 95, 265, 25, _("@> Show details"));
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details->box(FL_FLAT_BOX);
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details->align(FL_ALIGN_INSIDE | FL_ALIGN_LEFT);
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details->callback(show_details_cb, this);
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/* widgets for expanded dialog */
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trace_log = new Fl_Text_Display(10, 130, 360, 165);
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trace_buff = new Fl_Text_Buffer();
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trace_log->buffer(trace_buff);
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trace_log->hide();
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save_as = new Fl_Button(280, 305, 90, 25, _("&Save As..."));
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save_as->callback(save_cb, this);
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save_as->hide();
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end();
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}
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CrashDialog::~CrashDialog() {
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/* looks like fltk does not clean image() assigned data */
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delete pix;
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}
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void CrashDialog::show_details(void) {
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if(trace_log->visible()) {
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trace_log->hide();
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save_as->hide();
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details->label(_("@> Show details"));
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size(DIALOG_W, DIALOG_H);
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} else {
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trace_log->show();
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save_as->show();
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details->label(_("@< Hide details"));
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size(DIALOG_W_EXPANDED, DIALOG_H_EXPANDED);
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if(!details_shown) {
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trace_buff->remove(0, trace_buff->length());
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edelib::String address = _("\nPlease report this at: ");
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if(bugaddress)
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address += bugaddress;
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else
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address += "http://bugs.equinox-project.org";
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trace_buff->append(address.c_str());
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trace_buff->append("\n\n");
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trace_buff->append("---------- short summary ----------\n");
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trace_buff->append("\nEDE version: " PACKAGE_VERSION);
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trace_buff->append("\nSystem info: ");
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trace_buff->append(get_uname().c_str());
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trace_buff->append("\nProgram name: ");
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if(appname)
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trace_buff->append(appname);
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else
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trace_buff->append("(unknown)");
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trace_buff->append("\nExecutable path: ");
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if(apppath)
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trace_buff->append(apppath);
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else
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trace_buff->append("(unknown)");
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trace_buff->append("\nRunning PID: ");
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if(pid)
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trace_buff->append(pid);
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else
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trace_buff->append("(unknown)");
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trace_buff->append("\nSignal received: ");
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if(signal_num)
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trace_buff->append(signal_num);
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else
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trace_buff->append("(unknown)");
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/* try backtrace via gdb */
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trace_buff->append("\n\n---------- backtrace ----------\n");
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const char* core_file = "core";
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const char* gdb_output = "/tmp/.gdb_output";
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const char* gdb_script = "/tmp/.gdb_script";
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if(!edelib::file_test(core_file, edelib::FILE_TEST_IS_REGULAR)) {
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trace_buff->append("\nUnable to find 'core' file. Backtrace will not be done.");
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details_shown = false;
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return;
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}
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edelib::String gdb_path = edelib::file_path("gdb");
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if(gdb_path.empty()) {
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trace_buff->append("\nUnable to find gdb. Please install it first.");
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/* set to false so next 'Show Details' click can try again with the debugger */
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details_shown = false;
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return;
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}
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/* TODO: these files should be unique per session */
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if(spawn_backtrace(gdb_path.c_str(), cmd.c_str(), core_file, gdb_output, gdb_script) == -1) {
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trace_buff->append("\nUnable to properly execute gdb");
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details_shown = false;
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return;
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}
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trace_buff->append("\n");
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if(trace_buff->appendfile(gdb_output) != 0) {
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trace_buff->append("Unable to read gdb output file");
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details_shown = false;
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return;
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}
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edelib::file_remove(gdb_output);
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edelib::file_remove(gdb_script);
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edelib::file_remove(core_file);
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details_shown = true;
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}
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}
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}
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void CrashDialog::save(void) {
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const char* p = fl_file_chooser(_("Save details to..."), "Text Files (*.txt)\tAll Files(*)", "dump.txt");
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if(!p)
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return;
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// so we can have EOL in file
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trace_buff->append("\n");
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if(trace_buff->savefile(p) != 0)
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edelib::alert(_("Unable to save to %s. Please check permissions to write in this directory or file"), p);
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}
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void CrashDialog::run(void) {
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edelib::String l;
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if(appname || apppath) {
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const char* p = (appname ? appname : apppath);
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l.printf(_("Program '%s' just crashed!"), p);
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} else
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l += _("Program just crashed!");
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l += _("\n\nYou can inspect details about this crash by clicking on 'Show details' below");
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txt_box->copy_label(l.c_str());
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if(!shown())
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show();
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while(shown())
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Fl::wait();
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}
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