kernel32: Set environment variable %PUBLIC% at process start-up.

dlls/kernel32/process.c

@@ -517,12 +517,14 @@ static void set_additional_environment(void)
                                          'P','r','o','f','i','l','e','L','i','s','t',0};
     static const WCHAR profiles_valueW[] = {'P','r','o','f','i','l','e','s','D','i','r','e','c','t','o','r','y',0};
     static const WCHAR all_users_valueW[] = {'A','l','l','U','s','e','r','s','P','r','o','f','i','l','e','\0'};
+    static const WCHAR public_valueW[] = {'P','u','b','l','i','c',0};
     static const WCHAR computernameW[] = {'C','O','M','P','U','T','E','R','N','A','M','E',0};
     static const WCHAR allusersW[] = {'A','L','L','U','S','E','R','S','P','R','O','F','I','L','E',0};
     static const WCHAR programdataW[] = {'P','r','o','g','r','a','m','D','a','t','a',0};
+    static const WCHAR publicW[] = {'P','U','B','L','I','C',0};
     OBJECT_ATTRIBUTES attr;
     UNICODE_STRING nameW;
-    WCHAR *profile_dir = NULL, *all_users_dir = NULL, *program_data_dir = NULL;
+    WCHAR *profile_dir = NULL, *all_users_dir = NULL, *program_data_dir = NULL, *public_dir = NULL;
     WCHAR buf[MAX_COMPUTERNAME_LENGTH+1];
     HANDLE hkey;
     DWORD len;
@@ -546,6 +548,7 @@ static void set_additional_environment(void)
         profile_dir = get_reg_value( hkey, profiles_valueW );
         all_users_dir = get_reg_value( hkey, all_users_valueW );
         program_data_dir = get_reg_value( hkey, programdataW );
+        public_dir = get_reg_value( hkey, public_valueW );
         NtClose( hkey );
     }
 
@@ -568,9 +571,15 @@ static void set_additional_environment(void)
         SetEnvironmentVariableW( programdataW, program_data_dir );
     }
 
+    if (public_dir)
+    {
+        SetEnvironmentVariableW( publicW, public_dir );
+    }
+
     HeapFree( GetProcessHeap(), 0, all_users_dir );
     HeapFree( GetProcessHeap(), 0, profile_dir );
     HeapFree( GetProcessHeap(), 0, program_data_dir );
+    HeapFree( GetProcessHeap(), 0, public_dir );
 }
 
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