Add support for Unicode Output

configure.ac

@@ -33,6 +33,35 @@ AC_CHECK_HEADER([ncurses.h], [], [
     AC_MSG_ERROR([ You need to have ncurses development files installed to compile sngrep.])
 ])
 
+# Check for Ncurses Wide character support
+AC_ARG_ENABLE([unicode],
+	AC_HELP_STRING([--enable-unicode], [Enable Ncurses Unicode support]),
+	[AC_SUBST(UNICODE, $enableval)],
+	[AC_SUBST(UNICODE, no)]
+)
+
+AS_IF([test "x$enable_unicode" == "xyes"], [
+	# Ncurses with wide-character support
+	AC_DEFINE([WITH_UNICODE], [], [Compile With Unicode compatibility])
+
+	AC_CHECK_LIB([ncursesw], [initscr], [], [
+	    AC_MSG_ERROR([ You need to have libncursesw installed to compile sngrep.])
+	])
+
+	AC_CHECK_LIB([panelw], [new_panel], [], [
+	    AC_MSG_ERROR([ You need to have ncurses panelw library installed to compile sngrep.])
+	])
+
+	AC_CHECK_LIB([formw], [new_form], [], [
+	    AC_MSG_ERROR([ You need to have ncurses formsw library installed to compile sngrep.])
+	])
+
+	AC_CHECK_LIB([menuw], [new_item], [], [
+	    AC_MSG_ERROR([ You need to have ncurses menuw library installed to compile sngrep.])
+	])
+	], [
+
+	# Ncurses without wide-character support
 	AC_CHECK_LIB([ncurses], [initscr], [], [
 	    AC_MSG_ERROR([ You need to have libncurses installed to compile sngrep.])
 	])
@@ -48,6 +77,7 @@ AC_CHECK_LIB([form], [new_form], [], [
 	AC_CHECK_LIB([menu], [new_item], [], [
 	    AC_MSG_ERROR([ You need to have ncurses menu library installed to compile sngrep.])
 	])
+])
 
 AC_CHECK_LIB([pthread], [pthread_create], [], [
     AC_MSG_ERROR([ You need to have libpthread installed to compile sngrep.])
@@ -62,7 +92,10 @@ AC_CHECK_HEADER([pcap.h], [], [
 
 # Check for SSL dependencies
 AC_ARG_ENABLE([openssl],
-    AC_HELP_STRING([--disable-openssl], [Disable TLS SIP Transport]))
+    AC_HELP_STRING([--disable-openssl], [Disable SSL Support (TLS SIP Transport)]),
+	[AC_SUBST(OPENSSL, $enableval)],
+	[AC_SUBST(OPENSSL, yes)]
+)
 
 AS_IF([test "x$enable_openssl" != "xno"], [
 
@@ -105,11 +138,11 @@ if test "x${silent}" != "xyes" ; then
     echo
 fi
 
-
 AC_MSG_NOTICE
-AC_MSG_NOTICE( ====================================================== )
 AC_MSG_NOTICE(   sngrep configure finished                            	)
-AC_MSG_NOTICE(  ----------------------------------------------------  )
+AC_MSG_NOTICE( ====================================================== 	)
+AC_MSG_NOTICE( OpenSSL Support		: ${OPENSSL}  						)
+AC_MSG_NOTICE( Unicode Support		: ${UNICODE}  						)
 AC_MSG_NOTICE( ====================================================== 	)
 AC_MSG_NOTICE
 

src/ui_manager.c

@@ -30,6 +30,7 @@
 #include <string.h>
 #include <math.h>
 #include <stdlib.h>
+#include <locale.h>
 #include "option.h"
 #include "ui_manager.h"
 #include "ui_call_list.h"
@@ -124,6 +125,8 @@ init_interface()
 {
     int bg, fg;
     const char *term;
+    // Set Locale
+    setlocale(LC_CTYPE, "");
 
     // Initialize curses
     if (!initscr()) {

src/ui_manager.h

@@ -35,8 +35,12 @@
  */
 #ifndef __SNGREP_UI_MANAGER_H
 #define __SNGREP_UI_MANAGER_H
-
+#ifdef WITH_UNICODE
+#define _X_OPEN_SOURCE_EXTENDED
+#include <ncursesw/ncurses.h>
+#else
 #include <ncurses.h>
+#endif
 #include <panel.h>
 #include "sip.h"
 #include "group.h"