Move the declaration of query_config() to a dedicated header file
Declaring query_config() belongs with the query_config program, not in
ssl_test_lib.h, so move the declaration to a new header file
query_config.h.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/programs/test/query_config.h b/programs/test/query_config.h
new file mode 100644
index 0000000..23009c4
--- /dev/null
+++ b/programs/test/query_config.h
@@ -0,0 +1,42 @@
+/*
+ * Query Mbed TLS compile time configurations from config.h
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MBEDTLS_PROGRAMS_TEST_QUERY_CONFIG_H
+#define MBEDTLS_PROGRAMS_TEST_QUERY_CONFIG_H
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+/** Check whether a given configuration symbol is enabled.
+ *
+ * \param config The symbol to query (e.g. "MBEDTLS_RSA_C").
+ * \return \c 0 if the symbol was defined at compile time
+ * (in MBEDTLS_CONFIG_FILE or config.h),
+ * \c 1 otherwise.
+ *
+ * \note This function is defined in `programs/test/query_config.c`
+ * which is automatically generated by
+ * `scripts/generate_query_config.pl`.
+ */
+int query_config( const char *config );
+
+#endif /* MBEDTLS_PROGRAMS_TEST_QUERY_CONFIG_H */