zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/asn1/a_dup.c b/ap/lib/libssl/openssl-1.1.1o/crypto/asn1/a_dup.c
new file mode 100644
index 0000000..50af6b0
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/asn1/a_dup.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include "internal/cryptlib.h"
+#include <openssl/asn1.h>
+
+#ifndef NO_OLD_ASN1
+
+void *ASN1_dup(i2d_of_void *i2d, d2i_of_void *d2i, void *x)
+{
+ unsigned char *b, *p;
+ const unsigned char *p2;
+ int i;
+ char *ret;
+
+ if (x == NULL)
+ return NULL;
+
+ i = i2d(x, NULL);
+ b = OPENSSL_malloc(i + 10);
+ if (b == NULL) {
+ ASN1err(ASN1_F_ASN1_DUP, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ p = b;
+ i = i2d(x, &p);
+ p2 = b;
+ ret = d2i(NULL, &p2, i);
+ OPENSSL_free(b);
+ return ret;
+}
+
+#endif
+
+/*
+ * ASN1_ITEM version of dup: this follows the model above except we don't
+ * need to allocate the buffer. At some point this could be rewritten to
+ * directly dup the underlying structure instead of doing and encode and
+ * decode.
+ */
+
+void *ASN1_item_dup(const ASN1_ITEM *it, void *x)
+{
+ unsigned char *b = NULL;
+ const unsigned char *p;
+ long i;
+ void *ret;
+
+ if (x == NULL)
+ return NULL;
+
+ i = ASN1_item_i2d(x, &b, it);
+ if (b == NULL) {
+ ASN1err(ASN1_F_ASN1_ITEM_DUP, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ p = b;
+ ret = ASN1_item_d2i(NULL, &p, i, it);
+ OPENSSL_free(b);
+ return ret;
+}