1 files changed, 72 insertions, 0 deletions
diff --git a/crypto/comp/comp_lib.c b/crypto/comp/comp_lib.c
new file mode 100644
index 000000000000..b60ae371e8d1
--- /dev/null
+++ b/crypto/comp/comp_lib.c
@@ -0,0 +1,72 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <openssl/objects.h>
+#include <openssl/comp.h>
+
+COMP_CTX *COMP_CTX_new(COMP_METHOD *meth)
+	{
+	COMP_CTX *ret;
+
+	if ((ret=(COMP_CTX *)OPENSSL_malloc(sizeof(COMP_CTX))) == NULL)
+		{
+		/* ZZZZZZZZZZZZZZZZ */
+		return(NULL);
+		}
+	memset(ret,0,sizeof(COMP_CTX));
+	ret->meth=meth;
+	if ((ret->meth->init != NULL) && !ret->meth->init(ret))
+		{
+		OPENSSL_free(ret);
+		ret=NULL;
+		}
+	return(ret);
+	}
+
+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)
+		{
+		/* ZZZZZZZZZZZZZZZZZ */
+		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)
+		{
+		/* ZZZZZZZZZZZZZZZZZ */
+		return(-1);
+		}
+	ret=ctx->meth->expand(ctx,out,olen,in,ilen);
+	if (ret > 0)
+		{
+		ctx->expand_in+=ilen;
+		ctx->expand_out+=ret;
+		}
+	return(ret);
+	}