From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>
Date: Fri, 30 Apr 2021 00:33:56 +0200
Subject: initial/final commit

---
 openssl-1.1.0h/crypto/comp/comp_lib.c | 91 +++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 openssl-1.1.0h/crypto/comp/comp_lib.c

(limited to 'openssl-1.1.0h/crypto/comp/comp_lib.c')

diff --git a/openssl-1.1.0h/crypto/comp/comp_lib.c b/openssl-1.1.0h/crypto/comp/comp_lib.c
new file mode 100644
index 0000000..32afd0d
--- /dev/null
+++ b/openssl-1.1.0h/crypto/comp/comp_lib.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright 1998-2016 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 <stdlib.h>
+#include <string.h>
+#include <openssl/objects.h>
+#include <openssl/comp.h>
+#include "comp_lcl.h"
+
+COMP_CTX *COMP_CTX_new(COMP_METHOD *meth)
+{
+    COMP_CTX *ret;
+
+    if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL)
+        return (NULL);
+    ret->meth = meth;
+    if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
+        OPENSSL_free(ret);
+        ret = NULL;
+    }
+    return (ret);
+}
+
+const COMP_METHOD *COMP_CTX_get_method(const COMP_CTX *ctx)
+{
+    return ctx->meth;
+}
+
+int COMP_get_type(const COMP_METHOD *meth)
+{
+    return meth->type;
+}
+
+const char *COMP_get_name(const COMP_METHOD *meth)
+{
+    return meth->name;
+}
+
+void COMP_CTX_free(COMP_CTX *ctx)
+{
+    if (ctx == NULL)
+        return;
+
+    if (ctx->meth->finish != NULL)
+        ctx->meth->finish(ctx);
+
+    OPENSSL_free(ctx);
+}
+
+int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
+                        unsigned char *in, int ilen)
+{
+    int ret;
+    if (ctx->meth->compress == NULL) {
+        return (-1);
+    }
+    ret = ctx->meth->compress(ctx, out, olen, in, ilen);
+    if (ret > 0) {
+        ctx->compress_in += ilen;
+        ctx->compress_out += ret;
+    }
+    return (ret);
+}
+
+int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
+                      unsigned char *in, int ilen)
+{
+    int ret;
+
+    if (ctx->meth->expand == NULL) {
+        return (-1);
+    }
+    ret = ctx->meth->expand(ctx, out, olen, in, ilen);
+    if (ret > 0) {
+        ctx->expand_in += ilen;
+        ctx->expand_out += ret;
+    }
+    return (ret);
+}
+
+int COMP_CTX_get_type(const COMP_CTX* comp)
+{
+    return comp->meth ? comp->meth->type : NID_undef;
+}
-- 
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