zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libwolfssl/install/include/wolfssl/openssl/stack.h b/ap/lib/libwolfssl/install/include/wolfssl/openssl/stack.h
new file mode 100644
index 0000000..8040574
--- /dev/null
+++ b/ap/lib/libwolfssl/install/include/wolfssl/openssl/stack.h
@@ -0,0 +1,58 @@
+/* stack.h
+ *
+ * Copyright (C) 2006-2021 wolfSSL Inc.
+ *
+ * This file is part of wolfSSL.
+ *
+ * wolfSSL is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * wolfSSL is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
+ */
+
+/* stack.h for openSSL */
+
+#ifndef WOLFSSL_STACK_H_
+#define WOLFSSL_STACK_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+typedef void (*wolfSSL_sk_freefunc)(void *);
+
+WOLFSSL_API void wolfSSL_sk_GENERIC_pop_free(WOLFSSL_STACK* sk, wolfSSL_sk_freefunc);
+WOLFSSL_API void wolfSSL_sk_GENERIC_free(WOLFSSL_STACK *);
+WOLFSSL_API int wolfSSL_sk_GENERIC_push(WOLFSSL_STACK *sk, void *data);
+WOLFSSL_API void wolfSSL_sk_pop_free(WOLFSSL_STACK *st, void (*func) (void *));
+WOLFSSL_API WOLFSSL_STACK *wolfSSL_sk_new_null(void);
+
+WOLFSSL_API int wolfSSL_sk_CIPHER_push(WOLFSSL_STACK *st,WOLFSSL_CIPHER *cipher);
+WOLFSSL_API WOLFSSL_CIPHER* wolfSSL_sk_CIPHER_pop(WOLF_STACK_OF(WOLFSSL_CIPHER)* sk);
+WOLFSSL_API WOLFSSL_STACK* wolfSSL_sk_new_cipher(void);
+
+#define OPENSSL_sk_free wolfSSL_sk_free
+#define OPENSSL_sk_pop_free wolfSSL_sk_pop_free
+#define OPENSSL_sk_new_null wolfSSL_sk_new_null
+#define OPENSSL_sk_push wolfSSL_sk_push
+
+/* provides older OpenSSL API compatibility */
+#define sk_free OPENSSL_sk_free
+#define sk_pop_free OPENSSL_sk_pop_free
+#define sk_new_null OPENSSL_sk_new_null
+#define sk_push OPENSSL_sk_push
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif