forked from osmocom/wireshark
246 lines
6.2 KiB
C
246 lines
6.2 KiB
C
/* util.c
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* Utility routines
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*
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* $Id: util.c,v 1.14 1999/04/06 16:24:49 gram Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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* Copyright 1998 Gerald Combs
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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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 <glib.h>
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#include <gtk/gtk.h>
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#include <stdarg.h>
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#include <stdio.h>
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef NEED_SNPRINTF_H
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# ifdef HAVE_STDARG_H
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# include <stdarg.h>
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# else
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# include <varargs.h>
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# endif
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# include "snprintf.h"
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#endif
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#include "util.h"
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#include "image/icon-excl.xpm"
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#include "image/icon-ethereal.xpm"
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static void simple_dialog_cancel_cb(GtkWidget *, gpointer);
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const gchar *bm_key = "button mask";
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/* Simple dialog function - Displays a dialog box with the supplied message
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* text.
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*
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* Args:
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* type : One of ESD_TYPE_*.
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* btn_mask : The address of a gint. The value passed in determines if
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* the 'Cancel' button is displayed. The button pressed by the
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* user is passed back.
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* msg_format : Sprintf-style format of the text displayed in the dialog.
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* ... : Argument list for msg_format
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*
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*/
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#define ESD_MAX_MSG_LEN 1024
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void
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simple_dialog(gint type, gint *btn_mask, gchar *msg_format, ...) {
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GtkWidget *win, *main_vb, *top_hb, *type_pm, *msg_label,
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*bbox, *ok_btn, *cancel_btn;
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GdkPixmap *pixmap;
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GdkBitmap *mask;
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GtkStyle *style;
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GdkColormap *cmap;
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va_list ap;
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gchar message[ESD_MAX_MSG_LEN];
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gchar **icon;
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/* Main window */
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win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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gtk_container_border_width(GTK_CONTAINER(win), 7);
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switch (type) {
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case ESD_TYPE_WARN :
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gtk_window_set_title(GTK_WINDOW(win), "Ethereal: Warning");
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icon = icon_excl_xpm;
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break;
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case ESD_TYPE_CRIT :
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gtk_window_set_title(GTK_WINDOW(win), "Ethereal: Critical");
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icon = icon_excl_xpm;
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break;
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case ESD_TYPE_INFO :
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default :
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icon = icon_ethereal_xpm;
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gtk_window_set_title(GTK_WINDOW(win), "Ethereal: Information");
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break;
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}
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gtk_object_set_data(GTK_OBJECT(win), bm_key, btn_mask);
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/* Container for our rows */
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main_vb = gtk_vbox_new(FALSE, 5);
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gtk_container_border_width(GTK_CONTAINER(main_vb), 5);
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gtk_container_add(GTK_CONTAINER(win), main_vb);
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gtk_widget_show(main_vb);
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/* Top row: Icon and message text */
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top_hb = gtk_hbox_new(FALSE, 10);
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gtk_container_add(GTK_CONTAINER(main_vb), top_hb);
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gtk_widget_show(top_hb);
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style = gtk_widget_get_style(win);
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cmap = gdk_colormap_get_system();
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pixmap = gdk_pixmap_colormap_create_from_xpm_d(NULL, cmap, &mask,
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&style->bg[GTK_STATE_NORMAL], icon);
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type_pm = gtk_pixmap_new(pixmap, mask);
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gtk_misc_set_alignment (GTK_MISC (type_pm), 0.5, 0.0);
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gtk_container_add(GTK_CONTAINER(top_hb), type_pm);
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gtk_widget_show(type_pm);
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/* Load our vararg list into the message string */
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va_start(ap, msg_format);
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vsnprintf(message, ESD_MAX_MSG_LEN, msg_format, ap);
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msg_label = gtk_label_new(message);
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gtk_label_set_justify(GTK_LABEL(msg_label), GTK_JUSTIFY_FILL);
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gtk_container_add(GTK_CONTAINER(top_hb), msg_label);
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gtk_widget_show(msg_label);
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/* Button row */
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bbox = gtk_hbutton_box_new();
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gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_END);
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gtk_container_add(GTK_CONTAINER(main_vb), bbox);
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gtk_widget_show(bbox);
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ok_btn = gtk_button_new_with_label ("OK");
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gtk_signal_connect_object(GTK_OBJECT(ok_btn), "clicked",
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GTK_SIGNAL_FUNC(gtk_widget_destroy), GTK_OBJECT (win));
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gtk_container_add(GTK_CONTAINER(bbox), ok_btn);
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GTK_WIDGET_SET_FLAGS(ok_btn, GTK_CAN_DEFAULT);
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gtk_widget_grab_default(ok_btn);
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gtk_widget_show(ok_btn);
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if (btn_mask && *btn_mask == ESD_BTN_CANCEL) {
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cancel_btn = gtk_button_new_with_label("Cancel");
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gtk_signal_connect(GTK_OBJECT(cancel_btn), "clicked",
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GTK_SIGNAL_FUNC(simple_dialog_cancel_cb), (gpointer) win);
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gtk_container_add(GTK_CONTAINER(bbox), cancel_btn);
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GTK_WIDGET_SET_FLAGS(cancel_btn, GTK_CAN_DEFAULT);
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gtk_widget_show(cancel_btn);
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}
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if (btn_mask)
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*btn_mask = ESD_BTN_OK;
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gtk_widget_show(win);
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}
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static void
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simple_dialog_cancel_cb(GtkWidget *w, gpointer win) {
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gint *btn_mask = (gint *) gtk_object_get_data(win, bm_key);
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if (btn_mask)
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*btn_mask = ESD_BTN_CANCEL;
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gtk_widget_destroy(GTK_WIDGET(win));
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}
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/* Tries to mv a file. If unsuccessful, tries to cp the file.
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* Returns 0 on failure to do either, 1 on success of either
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*/
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int
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file_mv(char *from, char *to)
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{
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#define COPY_BUFFER_SIZE 8192
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int retval;
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/* try a hard link */
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retval = link(from, to);
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/* or try a copy */
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if (retval < 0) {
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retval = file_cp(from, to);
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if (!retval) {
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return 0;
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}
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}
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unlink(from);
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return 1;
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}
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/* Copies a file.
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* Returns 0 on failure to do either, 1 on success of either
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*/
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int
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file_cp(char *from, char *to)
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{
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#define COPY_BUFFER_SIZE 8192
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int from_fd, to_fd, nread;
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char *buffer;
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gint dialogue_button = ESD_BTN_OK;
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buffer = g_malloc(COPY_BUFFER_SIZE);
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from_fd = open(from, O_RDONLY);
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if (from_fd < 0) {
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simple_dialog(ESD_TYPE_WARN, &dialogue_button,
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"Cannot open from-file for copying.");
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return 0;
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}
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to_fd = creat(to, 0644);
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if (to_fd < 0) {
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simple_dialog(ESD_TYPE_WARN, &dialogue_button,
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"Cannot open to-file for copying.");
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close(from_fd);
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return 0;
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}
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while( (nread = read(from_fd, buffer, COPY_BUFFER_SIZE)) > 0) {
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if (write(to_fd, buffer, nread) < nread) {
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close(from_fd);
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close(to_fd);
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return 0;
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}
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}
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close(from_fd);
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close(to_fd);
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return 1;
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}
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