setupapi: Search for substituted strings in SetupFindNextMatchLine().

dlls/setupapi/parser.c

@@ -1557,6 +1557,7 @@ BOOL WINAPI SetupFindNextMatchLineW( PINFCONTEXT context_in, PCWSTR key,
                                      PINFCONTEXT context_out )
 {
     struct inf_file *file = context_in->CurrentInf;
+    WCHAR buffer[MAX_STRING_LEN + 1];
     struct section *section;
     struct line *line;
     unsigned int i;
@@ -1570,7 +1571,8 @@ BOOL WINAPI SetupFindNextMatchLineW( PINFCONTEXT context_in, PCWSTR key,
     for (i = context_in->Line+1, line = &section->lines[i]; i < section->nb_lines; i++, line++)
     {
         if (line->key_field == -1) continue;
-        if (!strcmpiW( key, file->fields[line->key_field].text ))
+        PARSER_string_substW( file, file->fields[line->key_field].text, buffer, ARRAY_SIZE(buffer) );
+        if (!strcmpiW( key, buffer ))
         {
             if (context_out != context_in) *context_out = *context_in;
             context_out->Line = i;

dlls/setupapi/tests/parser.c

@@ -428,6 +428,16 @@ static void test_key_names(void)
         ok( hinf != INVALID_HANDLE_VALUE, "line %u: open failed err %u\n", i, GetLastError() );
         if (hinf == INVALID_HANDLE_VALUE) continue;
 
+        ret = SetupFindFirstLineA( hinf, "Test", key_names[i].key, &context );
+        ok(ret, "Test %d: failed to find key %s\n", i, key_names[i].key);
+
+        if (!strncmp( key_names[i].data, "%foo%", strlen( "%foo%" ) ))
+        {
+            ret = SetupFindFirstLineA( hinf, "Test", "%foo%", &context );
+            ok(!ret, "SetupFindFirstLine() should not match unsubstituted keys\n");
+            ok(GetLastError() == ERROR_LINE_NOT_FOUND, "got wrong error %u\n", GetLastError());
+        }
+
         ret = SetupFindFirstLineA( hinf, "Test", 0, &context );
         ok(ret, "SetupFindFirstLineA failed: le=%u\n", GetLastError());
         if (!ret)