quick first zstdhc version

2015-10-22 15:31:46 +01:00
parent 353c5d26cf
commit f3eca25322
9 changed files with 866 additions and 267 deletions
@@ -0,0 +1,76 @@
+/*
+    zstdhc - high compression variant
+    Header File
+    Copyright (C) 2015, Yann Collet.
+
+    BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are
+    met:
+    * Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+    copyright notice, this list of conditions and the following disclaimer
+    in the documentation and/or other materials provided with the
+    distribution.
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+    OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+    You can contact the author at :
+    - zstd source repository : http://www.zstd.net
+*/
+#pragma once
+
+#if defined (__cplusplus)
+extern "C" {
+#endif
+
+/* *************************************
+*  Includes
+***************************************/
+#include <stddef.h>   /* size_t */
+
+
+/* *************************************
+*  Simple function
+***************************************/
+/**
+ZSTD_HC_compress() :
+    Compresses 'srcSize' bytes from buffer 'src' into buffer 'dst', of maximum size 'dstSize'.
+    Destination buffer must be already allocated.
+    Compression runs faster if maxDstSize >=  ZSTD_compressBound(srcSize).
+    @return : the number of bytes written into buffer 'dst'
+              or an error code if it fails (which can be tested using ZSTD_isError())
+*/
+size_t ZSTD_HC_compress(void* dst, size_t maxDstSize,
+                  const void* src, size_t srcSize,
+                  unsigned compressionLevel);
+
+
+/* *************************************
+*  Advanced functions
+***************************************/
+typedef struct ZSTD_HC_CCtx_s ZSTD_HC_CCtx;   /* incomplete type */
+ZSTD_HC_CCtx* ZSTD_HC_createCCtx(void);
+size_t ZSTD_HC_freeCCtx(ZSTD_HC_CCtx* cctx);
+
+/**
+ZSTD_HC_compressCCtx() :
+    Same as ZSTD_compress(), but requires a ZSTD_HC_CCtx working space already allocated
+*/
+size_t ZSTD_HC_compressCCtx(ZSTD_HC_CCtx* ctx, void* dst, size_t maxDstSize, const void* src, size_t srcSize, unsigned compressionLevel);
+
+
+#if defined (__cplusplus)
+}
+#endif