1 files changed, 30 insertions, 0 deletions
diff --git a/crypto/comp/comp_local.h b/crypto/comp/comp_local.h
new file mode 100644
index 0000000000..acf113e31c
--- /dev/null
+++ b/crypto/comp/comp_local.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (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
+ */
+
+struct comp_method_st {
+    int type;                   /* NID for compression library */
+    const char *name;           /* A text string to identify the library */
+    int (*init) (COMP_CTX *ctx);
+    void (*finish) (COMP_CTX *ctx);
+    int (*compress) (COMP_CTX *ctx,
+                     unsigned char *out, unsigned int olen,
+                     unsigned char *in, unsigned int ilen);
+    int (*expand) (COMP_CTX *ctx,
+                   unsigned char *out, unsigned int olen,
+                   unsigned char *in, unsigned int ilen);
+};
+
+struct comp_ctx_st {
+    struct comp_method_st *meth;
+    unsigned long compress_in;
+    unsigned long compress_out;
+    unsigned long expand_in;
+    unsigned long expand_out;
+    void* data;
+};