- Fixed uninstaller refusal to start when on the root directory (note that AllowRootDirInstall true is still required)

- Some touch ups regarding NSIS_CONFIG_VISIBLE_SUPPORT


git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@2896 212acab6-be3b-0410-9dea-997c60f758d6

Source/exehead/Main.c

@@ -44,7 +44,10 @@ extern HANDLE dbd_hFile;
 
 char g_caption[NSIS_MAX_STRLEN*2];
 int g_filehdrsize;
+#ifdef NSIS_CONFIG_VISIBLE_SUPPORT
 HWND g_hwnd;
+HANDLE g_hInstance;
+#endif
 
 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInst,LPSTR lpszCmdParam, int nCmdShow)
 {
@@ -89,7 +92,9 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInst,LPSTR lpszCmdParam,
 
   lstrcpyn(state_command_line, GetCommandLine(), NSIS_MAX_STRLEN);
 
+#ifdef NSIS_CONFIG_VISIBLE_SUPPORT
   g_hInstance = GetModuleHandle(NULL);
+#endif//NSIS_CONFIG_VISIBLE_SUPPORT
 
   cmdline = state_command_line;
   if (*cmdline == '\"') seekchar = *cmdline++;
@@ -139,6 +144,8 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInst,LPSTR lpszCmdParam,
 
     while (p >= cmdline && (p[0] != '_' || p[1] != '?' || p[2] != '=')) p--;
 
+    m_Err = _LANG_UNINSTINITERROR;
+
     if (p >= cmdline)
     {
       *(p-1)=0; // terminate before the " _?="
@@ -147,20 +154,20 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInst,LPSTR lpszCmdParam,
       {
         mystrcpy(state_install_directory, p);
         mystrcpy(state_output_directory, p);
+        m_Err = 0;
       }
       else
       {
-        m_Err = _LANG_UNINSTINITERROR;
         goto end;
       }
     }
     else
     {
-      int x,done=0;
+      int x;
 
       for (x = 0; x < 26; x ++)
       {
-        // File name need slash before coz temp dir was changed by validate_filename(...)
+        // File name need slash before because temp dir was changed by validate_filename
         static char s[]="\\A~NSISu_.exe";
         static char buf2[NSIS_MAX_STRLEN*2];
         static char ibuf[NSIS_MAX_STRLEN];
@@ -171,7 +178,7 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInst,LPSTR lpszCmdParam,
 
         DeleteFile(buf2+1); // clean up after all the other ones if they are there
 
-        if (!done)
+        if (m_Err) // not done yet
         {
           // get current name
           int l=GetModuleFileName(g_hInstance,ibuf,sizeof(ibuf));
@@ -187,19 +194,23 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInst,LPSTR lpszCmdParam,
 #endif
             if (state_install_directory[0]) mystrcpy(ibuf,state_install_directory);
             else trimslashtoend(ibuf);
-            done++;
             lstrcat(buf2,"\" ");
             lstrcat(buf2,realcmds);
             lstrcat(buf2," _?=");
             lstrcat(buf2,ibuf);
+            // add a trailing backslash to make sure is_valid_instpath will not fail when it shouldn't
+            lstrcat(buf2,"\\");
             hProc=myCreateProcess(buf2,state_temp_dir);
-            if (hProc) CloseHandle(hProc);
-            else m_Err = _LANG_UNINSTINITERROR;
+            if (hProc)
+            {
+              CloseHandle(hProc);
+              // success
+              m_Err = 0;
+            }
           }
         }
         s[0]++;
       }
-      if (!done) m_Err = _LANG_UNINSTINITERROR;
       goto end;
     }
   }

Source/exehead/Ui.c

@@ -37,7 +37,9 @@
 #define LB_ICONWIDTH 20
 #define LB_ICONHEIGHT 20
 
+#ifdef NSIS_CONFIG_VISIBLE_SUPPORT
 HICON g_hIcon;
+#endif
 
 int dlg_offset;
 

Source/exehead/exec.c

@@ -191,10 +191,12 @@ static int NSISCALL ExecuteEntry(entry *entry_)
         Sleep(max(x,1));
       }
     break;
+#ifdef NSIS_CONFIG_VISIBLE_SUPPORT
     case EW_BRINGTOFRONT:
       log_printf("BringToFront");
       SetForegroundWindow(g_hwnd);
     break;
+#endif//NSIS_CONFIG_VISIBLE_SUPPORT
     case EW_SETFLAG:
       g_exec_flags.flags[parm0]=GetIntFromParm(1);
     break;
@@ -207,10 +209,12 @@ static int NSISCALL ExecuteEntry(entry *entry_)
     case EW_GETFLAG:
       myitoa(var0,g_exec_flags.flags[parm1]);
     break;
+#ifdef NSIS_CONFIG_VISIBLE_SUPPORT
     case EW_CHDETAILSVIEW:
       if (insthwndbutton) ShowWindow(insthwndbutton,parm1);
       if (insthwnd) ShowWindow(insthwnd,parm0);
     break;
+#endif//NSIS_CONFIG_VISIBLE_SUPPORT
     case EW_SETFILEATTRIBUTES: {
       char *buf1=GetStringFromParm(-0x10);
       log_printf3("SetFileAttributes: \"%s\":%08X",buf1,parm1);
@@ -944,12 +948,16 @@ static int NSISCALL ExecuteEntry(entry *entry_)
               {
                 void (*func)(HWND,int,char*,void*);
                 func=(void*)funke;
-                func(g_hwnd,NSIS_MAX_STRLEN,(char*)g_usrvars,
+                func(
+                  g_hwnd,
+                  NSIS_MAX_STRLEN,
+                  (char*)g_usrvars,
 #ifdef NSIS_SUPPORT_STACK
-                (void*)&g_st);
+                  (void*)&g_st
 #else
-                NULL);
-#endif
+                  NULL
+#endif//NSIS_SUPPORT_STACK
+                );
               }
             }
             else

Source/exehead/state.h

@@ -16,7 +16,13 @@
 #endif
 
 extern char g_caption[NSIS_MAX_STRLEN*2];
+#ifdef NSIS_CONFIG_VISIBLE_SUPPORT
 extern HWND g_hwnd;
 extern HANDLE g_hInstance;
 extern HWND insthwnd,insthwndbutton;
-extern HICON g_hIcon;
+extern HICON g_hIcon;
+#else
+#define g_hwnd 0
+#define g_hInstance 0
+#define g_hIcon 0
+#endif//NSIS_CONFIG_VISIBLE_SUPPORT

Source/exehead/util.c

@@ -40,8 +40,6 @@ char g_log_file[1024];
   char *state_plugins_dir=g_usrvars[36];
 #endif
 
-HANDLE g_hInstance;
-
 #ifndef INVALID_FILE_ATTRIBUTES
 #define INVALID_FILE_ATTRIBUTES ((DWORD)-1)
 #endif