cnping

commit da595817c04afc3749535467921753696b68f39e
parent aa3c971b78c3cfd4f7cb2ee009b8c6b48cdd353f
Author: cnlohr <lohr85@gmail.com>
Date:   Thu, 22 Nov 2018 18:21:18 -0500

Update adding code to remember the last usage

Diffstat:
M
cnping.c
 | 
46
++++++++++++++++++++++++++++++++++++++++++----
M
cnping.exe
 | 
0

M
resources.rc
 | 
20
++++++++++----------

3 files changed, 52 insertions(+), 14 deletions(-)
diff --git a/cnping.c b/cnping.c
@@ -486,6 +486,35 @@ void DrawFrame( void )
 const char * glargv[10];
 int glargc = 0;
 
+int RegString( int write, char * data, DWORD len )
+{
+    HKEY hKey;
+	if( RegCreateKeyExA(HKEY_CURRENT_USER, "Software\\cnping", 0, NULL,       
+        REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey, NULL) == ERROR_SUCCESS)
+	{
+		if( write )
+		{
+			RegSetValueExA( hKey, "history", 0, REG_SZ, data, len );
+			return 0;
+		}
+		else
+		{
+			DWORD type;
+			if( RegGetValueA( hKey, "", "history", 0x02, &type, data, &len ) == ERROR_SUCCESS )
+			{	
+				return 0;
+			}
+			return -16;
+		}
+
+		RegCloseKey( hKey );
+	}
+	else
+	{
+		return -15;
+	}
+}
+
 INT_PTR CALLBACK TextEntry( HWND   hwndDlg, UINT   uMsg, WPARAM wParam, LPARAM lParam )
 {
 
@@ -494,6 +523,13 @@ INT_PTR CALLBACK TextEntry( HWND   hwndDlg, UINT   uMsg, WPARAM wParam, LPARAM l
 	case WM_INITDIALOG:
 		SetDlgItemText(hwndDlg, 4, "0.02");
 		SetDlgItemText(hwndDlg, 5, "0" );
+
+		char data[1024];
+		if( !RegString( 0, data, sizeof( data ) ) )
+		{
+			SetDlgItemText(hwndDlg, 3, data);
+		}
+
 		return 0;
 	case WM_COMMAND:
 		switch( wParam>>24 )
@@ -508,13 +544,15 @@ INT_PTR CALLBACK TextEntry( HWND   hwndDlg, UINT   uMsg, WPARAM wParam, LPARAM l
 					exit( -1 );
 				}
 
-				char Address[1024]; GetDlgItemText(hwndDlg, 3, Address, sizeof(Address));
-				char Period[1024]; GetDlgItemText(hwndDlg, 4, Period, sizeof(Period));
-				char Extra[1024]; GetDlgItemText(hwndDlg, 5, Extra, sizeof(Extra));
-				char Scaling[1024]; GetDlgItemText(hwndDlg, 6, Scaling, sizeof(Scaling));
+				char Address[128]; GetDlgItemText(hwndDlg, 3, Address, sizeof(Address));
+				char Period[128];  GetDlgItemText(hwndDlg, 4, Period, sizeof(Period));
+				char Extra[128];   GetDlgItemText(hwndDlg, 5, Extra, sizeof(Extra));
+				char Scaling[128]; GetDlgItemText(hwndDlg, 6, Scaling, sizeof(Scaling));
 			
 				if( strlen( Address ) )
 				{
+					RegString( 1, Address, strlen( Address ) );
+
 					glargc = 2;
 					glargv[1] = strdup( Address );
 					if( strlen( Period ) )
diff --git a/cnping.exe b/cnping.exe
Binary files differ.
diff --git a/resources.rc b/resources.rc
@@ -3,19 +3,19 @@
 #include <windows.h>
 
 LANGUAGE 9, SUBLANG_DEFAULT
-IPDialog DIALOG 10, 10, 300, 100
+IPDialog DIALOG 10, 10, 340, 100
 STYLE WS_CAPTION | WS_SYSMENU
 CAPTION "cnping"
 BEGIN
-    LTEXT           "Usage: cnping [host] [period] [extra size] [y-axis scaling]",                        0, 60, 0, 300, 20, SS_LEFT
-    LTEXT           "[host]                 -- domain or IP address of icmp ping, or http://host",        0, 60, 15, 300, 20, SS_LEFT
-    LTEXT           "[period]               -- period in seconds (optional), default is 0.02",            0, 60, 30, 300, 20, SS_LEFT
-    LTEXT           "[extra size]           -- ping packet extra size (above 12), optional, default = 0", 0, 60, 45, 300, 10, SS_LEFT
-    LTEXT           "[const y-axis scaling] -- use a fixed scaling factor instead of auto scaling",       0, 60, 60, 300, 10, SS_LEFT
-    EDITTEXT        3, 1, 15, 58, 12
-    EDITTEXT        4, 1, 30, 58, 12
-    EDITTEXT        5, 1, 45, 58, 12
-    EDITTEXT        6, 1, 60, 58, 12
+    LTEXT           "Usage: cnping [host] [period] [extra size] [y-axis scaling]",                        0, 90, 0, 300, 20, SS_LEFT
+    LTEXT           "[host]                 -- domain or IP address of icmp ping, or http://host",        0, 90, 15, 300, 20, SS_LEFT
+    LTEXT           "[period]               -- period in seconds (optional), default is 0.02",            0, 90, 30, 300, 20, SS_LEFT
+    LTEXT           "[extra size]           -- ping packet extra size (above 12), optional, default = 0", 0, 90, 45, 300, 10, SS_LEFT
+    LTEXT           "[const y-axis scaling] -- use a fixed scaling factor instead of auto scaling",       0, 90, 60, 300, 10, SS_LEFT
+    EDITTEXT        3, 1, 15, 88, 12
+    EDITTEXT        4, 1, 30, 88, 12
+    EDITTEXT        5, 1, 45, 88, 12
+    EDITTEXT        6, 1, 60, 88, 12
     PUSHBUTTON      "&Ping", 7, 25, 80, 100, 10
     PUSHBUTTON      "&Close", 8, 175, 80, 100, 10
 END