You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@couchdb.apache.org by da...@apache.org on 2014/02/05 00:44:55 UTC
[42/44] couchdb commit: updated
refs/heads/1843-feature-bigcouch-multi-repo to 2385a37
Remove src/snappy
Project: http://git-wip-us.apache.org/repos/asf/couchdb/repo
Commit: http://git-wip-us.apache.org/repos/asf/couchdb/commit/350a7efd
Tree: http://git-wip-us.apache.org/repos/asf/couchdb/tree/350a7efd
Diff: http://git-wip-us.apache.org/repos/asf/couchdb/diff/350a7efd
Branch: refs/heads/1843-feature-bigcouch-multi-repo
Commit: 350a7efda65c8526f72f30406abb4f041dc1b2a3
Parents: 834aeb0
Author: Paul J. Davis <pa...@gmail.com>
Authored: Tue Feb 4 17:42:46 2014 -0600
Committer: Paul J. Davis <pa...@gmail.com>
Committed: Tue Feb 4 17:42:46 2014 -0600
----------------------------------------------------------------------
src/snappy/c_src/erl_nif_compat.h | 129 --
src/snappy/c_src/google-snappy/AUTHORS | 1 -
src/snappy/c_src/google-snappy/COPYING | 28 -
src/snappy/c_src/google-snappy/config.h.in | 125 --
.../c_src/google-snappy/snappy-internal.h | 150 ---
.../c_src/google-snappy/snappy-sinksource.cc | 71 --
.../c_src/google-snappy/snappy-sinksource.h | 137 ---
.../google-snappy/snappy-stubs-internal.cc | 42 -
.../c_src/google-snappy/snappy-stubs-internal.h | 571 ---------
.../google-snappy/snappy-stubs-public.h.in | 85 --
src/snappy/c_src/google-snappy/snappy.cc | 1111 ------------------
src/snappy/c_src/google-snappy/snappy.h | 155 ---
src/snappy/c_src/snappy_nif.cc | 265 -----
src/snappy/src/snappy.app.src | 12 -
src/snappy/src/snappy.erl | 56 -
15 files changed, 2938 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/couchdb/blob/350a7efd/src/snappy/c_src/erl_nif_compat.h
----------------------------------------------------------------------
diff --git a/src/snappy/c_src/erl_nif_compat.h b/src/snappy/c_src/erl_nif_compat.h
deleted file mode 100644
index b8eb9b0..0000000
--- a/src/snappy/c_src/erl_nif_compat.h
+++ /dev/null
@@ -1,129 +0,0 @@
-/* Copyright (c) 2010-2011 Basho Technologies, Inc.
- * With some minor modifications by Filipe David Manana
- * <fd...@apache.org>
- *
- * This file is provided to you under the Apache License,
- * Version 2.0 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain
- * a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
-*/
-
-#ifndef ERL_NIF_COMPAT_H_
-#define ERL_NIF_COMPAT_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-#include "erl_nif.h"
-
-
-#if ERL_NIF_MAJOR_VERSION == 0 && ERL_NIF_MINOR_VERSION == 1
-#define OTP_R13B03
-#elif ERL_NIF_MAJOR_VERSION == 1 && ERL_NIF_MINOR_VERSION == 0
-#define OTP_R13B04
-#elif ERL_NIF_MAJOR_VERSION == 2 && ERL_NIF_MINOR_VERSION == 0
-#define OTP_R14A
-#define OTP_R14B
-#define OTP_R14B01
-#elif ERL_NIF_MAJOR_VERSION == 2 && ERL_NIF_MINOR_VERSION == 1
-#define OTP_R14B02
-#endif
-
-
-#ifdef OTP_R13B03
-
-#define enif_open_resource_type_compat enif_open_resource_type
-#define enif_alloc_resource_compat enif_alloc_resource
-#define enif_release_resource_compat enif_release_resource
-#define enif_alloc_binary_compat enif_alloc_binary
-#define enif_alloc_compat enif_alloc
-#define enif_release_binary_compat enif_release_binary
-#define enif_free_compat enif_free
-#define enif_get_atom_compat enif_get_atom
-#define enif_priv_data_compat enif_get_data
-#define enif_make_uint_compat enif_make_ulong
-
-#define enif_make_existing_atom_compat(E, N, R, Enc) \
- enif_make_existing_atom(E, N, R)
-
-#define enif_make_string_compat(E, B, Enc) \
- enif_make_string(E, B)
-
-#endif /* R13B03 */
-
-
-#ifdef OTP_R13B04
-
-#define enif_open_resource_type_compat enif_open_resource_type
-#define enif_alloc_resource_compat enif_alloc_resource
-#define enif_release_resource_compat enif_release_resource
-#define enif_alloc_binary_compat enif_alloc_binary
-#define enif_realloc_binary_compat enif_realloc_binary
-#define enif_release_binary_compat enif_release_binary
-#define enif_alloc_compat enif_alloc
-#define enif_free_compat enif_free
-#define enif_get_atom_compat enif_get_atom
-#define enif_priv_data_compat enif_priv_data
-#define enif_make_string_compat enif_make_string
-#define enif_make_uint_compat enif_make_uint
-
-#define enif_make_existing_atom_compat(E, N, R, Enc) \
- enif_make_existing_atom(E, N, R)
-
-
-#endif /* R13B04 */
-
-
-/* OTP R14A and future releases */
-#if !defined(OTP_R13B03) && !defined(OTP_R13B04)
-
-#define enif_open_resource_type_compat(E, N, D, F, T) \
- enif_open_resource_type(E, NULL, N, D, F, T)
-
-#define enif_alloc_resource_compat(E, T, S) \
- enif_alloc_resource(T, S)
-
-#define enif_release_resource_compat(E, H) \
- enif_release_resource(H)
-
-#define enif_alloc_binary_compat(E, S, B) \
- enif_alloc_binary(S, B)
-
-#define enif_realloc_binary_compat(E, S, B) \
- enif_realloc_binary(S, B)
-
-#define enif_release_binary_compat(E, B) \
- enif_release_binary(B)
-
-#define enif_alloc_compat(E, S) \
- enif_alloc(S)
-
-#define enif_free_compat(E, P) \
- enif_free(P)
-
-#define enif_get_atom_compat(E, T, B, S) \
- enif_get_atom(E, T, B, S, ERL_NIF_LATIN1)
-
-#define enif_priv_data_compat enif_priv_data
-#define enif_make_string_compat enif_make_string
-#define enif_make_existing_atom_compat enif_make_existing_atom
-#define enif_make_uint_compat enif_make_uint
-
-#endif /* R14 and future releases */
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* ERL_NIF_COMPAT_H_ */
http://git-wip-us.apache.org/repos/asf/couchdb/blob/350a7efd/src/snappy/c_src/google-snappy/AUTHORS
----------------------------------------------------------------------
diff --git a/src/snappy/c_src/google-snappy/AUTHORS b/src/snappy/c_src/google-snappy/AUTHORS
deleted file mode 100644
index 4858b37..0000000
--- a/src/snappy/c_src/google-snappy/AUTHORS
+++ /dev/null
@@ -1 +0,0 @@
-opensource@google.com
http://git-wip-us.apache.org/repos/asf/couchdb/blob/350a7efd/src/snappy/c_src/google-snappy/COPYING
----------------------------------------------------------------------
diff --git a/src/snappy/c_src/google-snappy/COPYING b/src/snappy/c_src/google-snappy/COPYING
deleted file mode 100644
index 8d6bd9f..0000000
--- a/src/snappy/c_src/google-snappy/COPYING
+++ /dev/null
@@ -1,28 +0,0 @@
-Copyright 2011, Google Inc.
-All rights reserved.
-
-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.
- * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-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.
http://git-wip-us.apache.org/repos/asf/couchdb/blob/350a7efd/src/snappy/c_src/google-snappy/config.h.in
----------------------------------------------------------------------
diff --git a/src/snappy/c_src/google-snappy/config.h.in b/src/snappy/c_src/google-snappy/config.h.in
deleted file mode 100644
index 28f57c2..0000000
--- a/src/snappy/c_src/google-snappy/config.h.in
+++ /dev/null
@@ -1,125 +0,0 @@
-/* config.h.in. Generated from configure.ac by autoheader. */
-
-/* Define if building universal (internal helper macro) */
-#undef AC_APPLE_UNIVERSAL_BUILD
-
-/* Define to 1 if the compiler supports __builtin_ctz and friends. */
-#undef HAVE_BUILTIN_CTZ
-
-/* Define to 1 if the compiler supports __builtin_expect. */
-#undef HAVE_BUILTIN_EXPECT
-
-/* Define to 1 if you have the <byteswap.h> header file. */
-#undef HAVE_BYTESWAP_H
-
-/* Define to 1 if you have the <dlfcn.h> header file. */
-#undef HAVE_DLFCN_H
-
-/* Use the gflags package for command-line parsing. */
-#undef HAVE_GFLAGS
-
-/* Defined when Google Test is available. */
-#undef HAVE_GTEST
-
-/* Define to 1 if you have the <inttypes.h> header file. */
-#undef HAVE_INTTYPES_H
-
-/* Define to 1 if you have the `fastlz' library (-lfastlz). */
-#undef HAVE_LIBFASTLZ
-
-/* Define to 1 if you have the `lzf' library (-llzf). */
-#undef HAVE_LIBLZF
-
-/* Define to 1 if you have the `lzo2' library (-llzo2). */
-#undef HAVE_LIBLZO2
-
-/* Define to 1 if you have the `quicklz' library (-lquicklz). */
-#undef HAVE_LIBQUICKLZ
-
-/* Define to 1 if you have the `z' library (-lz). */
-#undef HAVE_LIBZ
-
-/* Define to 1 if you have the <memory.h> header file. */
-#undef HAVE_MEMORY_H
-
-/* Define to 1 if you have the <stddef.h> header file. */
-#undef HAVE_STDDEF_H
-
-/* Define to 1 if you have the <stdint.h> header file. */
-#undef HAVE_STDINT_H
-
-/* Define to 1 if you have the <stdlib.h> header file. */
-#undef HAVE_STDLIB_H
-
-/* Define to 1 if you have the <strings.h> header file. */
-#undef HAVE_STRINGS_H
-
-/* Define to 1 if you have the <string.h> header file. */
-#undef HAVE_STRING_H
-
-/* Define to 1 if you have the <sys/byteswap.h> header file. */
-#undef HAVE_SYS_BYTESWAP_H
-
-/* Define to 1 if you have the <sys/endian.h> header file. */
-#undef HAVE_SYS_ENDIAN_H
-
-/* Define to 1 if you have the <sys/mman.h> header file. */
-#undef HAVE_SYS_MMAN_H
-
-/* Define to 1 if you have the <sys/resource.h> header file. */
-#undef HAVE_SYS_RESOURCE_H
-
-/* Define to 1 if you have the <sys/stat.h> header file. */
-#undef HAVE_SYS_STAT_H
-
-/* Define to 1 if you have the <sys/types.h> header file. */
-#undef HAVE_SYS_TYPES_H
-
-/* Define to 1 if you have the <unistd.h> header file. */
-#undef HAVE_UNISTD_H
-
-/* Define to 1 if you have the <windows.h> header file. */
-#undef HAVE_WINDOWS_H
-
-/* Define to the sub-directory in which libtool stores uninstalled libraries.
- */
-#undef LT_OBJDIR
-
-/* Name of package */
-#undef PACKAGE
-
-/* Define to the address where bug reports for this package should be sent. */
-#undef PACKAGE_BUGREPORT
-
-/* Define to the full name of this package. */
-#undef PACKAGE_NAME
-
-/* Define to the full name and version of this package. */
-#undef PACKAGE_STRING
-
-/* Define to the one symbol short name of this package. */
-#undef PACKAGE_TARNAME
-
-/* Define to the home page for this package. */
-#undef PACKAGE_URL
-
-/* Define to the version of this package. */
-#undef PACKAGE_VERSION
-
-/* Define to 1 if you have the ANSI C header files. */
-#undef STDC_HEADERS
-
-/* Version number of package */
-#undef VERSION
-
-/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
- significant byte first (like Motorola and SPARC, unlike Intel). */
-#if defined AC_APPLE_UNIVERSAL_BUILD
-# if defined __BIG_ENDIAN__
-# define WORDS_BIGENDIAN 1
-# endif
-#else
-# ifndef WORDS_BIGENDIAN
-# undef WORDS_BIGENDIAN
-# endif
-#endif
http://git-wip-us.apache.org/repos/asf/couchdb/blob/350a7efd/src/snappy/c_src/google-snappy/snappy-internal.h
----------------------------------------------------------------------
diff --git a/src/snappy/c_src/google-snappy/snappy-internal.h b/src/snappy/c_src/google-snappy/snappy-internal.h
deleted file mode 100644
index a32eda5..0000000
--- a/src/snappy/c_src/google-snappy/snappy-internal.h
+++ /dev/null
@@ -1,150 +0,0 @@
-// Copyright 2008 Google Inc. All Rights Reserved.
-//
-// 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.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// 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.
-//
-// Internals shared between the Snappy implementation and its unittest.
-
-#ifndef UTIL_SNAPPY_SNAPPY_INTERNAL_H_
-#define UTIL_SNAPPY_SNAPPY_INTERNAL_H_
-
-#include "snappy-stubs-internal.h"
-
-namespace snappy {
-namespace internal {
-
-class WorkingMemory {
- public:
- WorkingMemory() : large_table_(NULL) { }
- ~WorkingMemory() { delete[] large_table_; }
-
- // Allocates and clears a hash table using memory in "*this",
- // stores the number of buckets in "*table_size" and returns a pointer to
- // the base of the hash table.
- uint16* GetHashTable(size_t input_size, int* table_size);
-
- private:
- uint16 small_table_[1<<10]; // 2KB
- uint16* large_table_; // Allocated only when needed
-
- DISALLOW_COPY_AND_ASSIGN(WorkingMemory);
-};
-
-// Flat array compression that does not emit the "uncompressed length"
-// prefix. Compresses "input" string to the "*op" buffer.
-//
-// REQUIRES: "input_length <= kBlockSize"
-// REQUIRES: "op" points to an array of memory that is at least
-// "MaxCompressedLength(input_length)" in size.
-// REQUIRES: All elements in "table[0..table_size-1]" are initialized to zero.
-// REQUIRES: "table_size" is a power of two
-//
-// Returns an "end" pointer into "op" buffer.
-// "end - op" is the compressed size of "input".
-char* CompressFragment(const char* input,
- size_t input_length,
- char* op,
- uint16* table,
- const int table_size);
-
-// Return the largest n such that
-//
-// s1[0,n-1] == s2[0,n-1]
-// and n <= (s2_limit - s2).
-//
-// Does not read *s2_limit or beyond.
-// Does not read *(s1 + (s2_limit - s2)) or beyond.
-// Requires that s2_limit >= s2.
-//
-// Separate implementation for x86_64, for speed. Uses the fact that
-// x86_64 is little endian.
-#if defined(ARCH_K8)
-static inline int FindMatchLength(const char* s1,
- const char* s2,
- const char* s2_limit) {
- DCHECK_GE(s2_limit, s2);
- int matched = 0;
-
- // Find out how long the match is. We loop over the data 64 bits at a
- // time until we find a 64-bit block that doesn't match; then we find
- // the first non-matching bit and use that to calculate the total
- // length of the match.
- while (PREDICT_TRUE(s2 <= s2_limit - 8)) {
- if (PREDICT_FALSE(UNALIGNED_LOAD64(s2) == UNALIGNED_LOAD64(s1 + matched))) {
- s2 += 8;
- matched += 8;
- } else {
- // On current (mid-2008) Opteron models there is a 3% more
- // efficient code sequence to find the first non-matching byte.
- // However, what follows is ~10% better on Intel Core 2 and newer,
- // and we expect AMD's bsf instruction to improve.
- uint64 x = UNALIGNED_LOAD64(s2) ^ UNALIGNED_LOAD64(s1 + matched);
- int matching_bits = Bits::FindLSBSetNonZero64(x);
- matched += matching_bits >> 3;
- return matched;
- }
- }
- while (PREDICT_TRUE(s2 < s2_limit)) {
- if (PREDICT_TRUE(s1[matched] == *s2)) {
- ++s2;
- ++matched;
- } else {
- return matched;
- }
- }
- return matched;
-}
-#else
-static inline int FindMatchLength(const char* s1,
- const char* s2,
- const char* s2_limit) {
- // Implementation based on the x86-64 version, above.
- DCHECK_GE(s2_limit, s2);
- int matched = 0;
-
- while (s2 <= s2_limit - 4 &&
- UNALIGNED_LOAD32(s2) == UNALIGNED_LOAD32(s1 + matched)) {
- s2 += 4;
- matched += 4;
- }
- if (LittleEndian::IsLittleEndian() && s2 <= s2_limit - 4) {
- uint32 x = UNALIGNED_LOAD32(s2) ^ UNALIGNED_LOAD32(s1 + matched);
- int matching_bits = Bits::FindLSBSetNonZero(x);
- matched += matching_bits >> 3;
- } else {
- while ((s2 < s2_limit) && (s1[matched] == *s2)) {
- ++s2;
- ++matched;
- }
- }
- return matched;
-}
-#endif
-
-} // end namespace internal
-} // end namespace snappy
-
-#endif // UTIL_SNAPPY_SNAPPY_INTERNAL_H_
http://git-wip-us.apache.org/repos/asf/couchdb/blob/350a7efd/src/snappy/c_src/google-snappy/snappy-sinksource.cc
----------------------------------------------------------------------
diff --git a/src/snappy/c_src/google-snappy/snappy-sinksource.cc b/src/snappy/c_src/google-snappy/snappy-sinksource.cc
deleted file mode 100644
index 5844552..0000000
--- a/src/snappy/c_src/google-snappy/snappy-sinksource.cc
+++ /dev/null
@@ -1,71 +0,0 @@
-// Copyright 2011 Google Inc. All Rights Reserved.
-//
-// 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.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// 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.
-
-#include <string.h>
-
-#include "snappy-sinksource.h"
-
-namespace snappy {
-
-Source::~Source() { }
-
-Sink::~Sink() { }
-
-char* Sink::GetAppendBuffer(size_t length, char* scratch) {
- return scratch;
-}
-
-ByteArraySource::~ByteArraySource() { }
-
-size_t ByteArraySource::Available() const { return left_; }
-
-const char* ByteArraySource::Peek(size_t* len) {
- *len = left_;
- return ptr_;
-}
-
-void ByteArraySource::Skip(size_t n) {
- left_ -= n;
- ptr_ += n;
-}
-
-UncheckedByteArraySink::~UncheckedByteArraySink() { }
-
-void UncheckedByteArraySink::Append(const char* data, size_t n) {
- // Do no copying if the caller filled in the result of GetAppendBuffer()
- if (data != dest_) {
- memcpy(dest_, data, n);
- }
- dest_ += n;
-}
-
-char* UncheckedByteArraySink::GetAppendBuffer(size_t len, char* scratch) {
- return dest_;
-}
-
-}
http://git-wip-us.apache.org/repos/asf/couchdb/blob/350a7efd/src/snappy/c_src/google-snappy/snappy-sinksource.h
----------------------------------------------------------------------
diff --git a/src/snappy/c_src/google-snappy/snappy-sinksource.h b/src/snappy/c_src/google-snappy/snappy-sinksource.h
deleted file mode 100644
index faabfa1..0000000
--- a/src/snappy/c_src/google-snappy/snappy-sinksource.h
+++ /dev/null
@@ -1,137 +0,0 @@
-// Copyright 2011 Google Inc. All Rights Reserved.
-//
-// 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.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// 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.
-
-#ifndef UTIL_SNAPPY_SNAPPY_SINKSOURCE_H_
-#define UTIL_SNAPPY_SNAPPY_SINKSOURCE_H_
-
-#include <stddef.h>
-
-
-namespace snappy {
-
-// A Sink is an interface that consumes a sequence of bytes.
-class Sink {
- public:
- Sink() { }
- virtual ~Sink();
-
- // Append "bytes[0,n-1]" to this.
- virtual void Append(const char* bytes, size_t n) = 0;
-
- // Returns a writable buffer of the specified length for appending.
- // May return a pointer to the caller-owned scratch buffer which
- // must have at least the indicated length. The returned buffer is
- // only valid until the next operation on this Sink.
- //
- // After writing at most "length" bytes, call Append() with the
- // pointer returned from this function and the number of bytes
- // written. Many Append() implementations will avoid copying
- // bytes if this function returned an internal buffer.
- //
- // If a non-scratch buffer is returned, the caller may only pass a
- // prefix of it to Append(). That is, it is not correct to pass an
- // interior pointer of the returned array to Append().
- //
- // The default implementation always returns the scratch buffer.
- virtual char* GetAppendBuffer(size_t length, char* scratch);
-
-
- private:
- // No copying
- Sink(const Sink&);
- void operator=(const Sink&);
-};
-
-// A Source is an interface that yields a sequence of bytes
-class Source {
- public:
- Source() { }
- virtual ~Source();
-
- // Return the number of bytes left to read from the source
- virtual size_t Available() const = 0;
-
- // Peek at the next flat region of the source. Does not reposition
- // the source. The returned region is empty iff Available()==0.
- //
- // Returns a pointer to the beginning of the region and store its
- // length in *len.
- //
- // The returned region is valid until the next call to Skip() or
- // until this object is destroyed, whichever occurs first.
- //
- // The returned region may be larger than Available() (for example
- // if this ByteSource is a view on a substring of a larger source).
- // The caller is responsible for ensuring that it only reads the
- // Available() bytes.
- virtual const char* Peek(size_t* len) = 0;
-
- // Skip the next n bytes. Invalidates any buffer returned by
- // a previous call to Peek().
- // REQUIRES: Available() >= n
- virtual void Skip(size_t n) = 0;
-
- private:
- // No copying
- Source(const Source&);
- void operator=(const Source&);
-};
-
-// A Source implementation that yields the contents of a flat array
-class ByteArraySource : public Source {
- public:
- ByteArraySource(const char* p, size_t n) : ptr_(p), left_(n) { }
- virtual ~ByteArraySource();
- virtual size_t Available() const;
- virtual const char* Peek(size_t* len);
- virtual void Skip(size_t n);
- private:
- const char* ptr_;
- size_t left_;
-};
-
-// A Sink implementation that writes to a flat array without any bound checks.
-class UncheckedByteArraySink : public Sink {
- public:
- explicit UncheckedByteArraySink(char* dest) : dest_(dest) { }
- virtual ~UncheckedByteArraySink();
- virtual void Append(const char* data, size_t n);
- virtual char* GetAppendBuffer(size_t len, char* scratch);
-
- // Return the current output pointer so that a caller can see how
- // many bytes were produced.
- // Note: this is not a Sink method.
- char* CurrentDestination() const { return dest_; }
- private:
- char* dest_;
-};
-
-
-}
-
-#endif // UTIL_SNAPPY_SNAPPY_SINKSOURCE_H_
http://git-wip-us.apache.org/repos/asf/couchdb/blob/350a7efd/src/snappy/c_src/google-snappy/snappy-stubs-internal.cc
----------------------------------------------------------------------
diff --git a/src/snappy/c_src/google-snappy/snappy-stubs-internal.cc b/src/snappy/c_src/google-snappy/snappy-stubs-internal.cc
deleted file mode 100644
index 6ed3343..0000000
--- a/src/snappy/c_src/google-snappy/snappy-stubs-internal.cc
+++ /dev/null
@@ -1,42 +0,0 @@
-// Copyright 2011 Google Inc. All Rights Reserved.
-//
-// 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.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// 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.
-
-#include <algorithm>
-#include <string>
-
-#include "snappy-stubs-internal.h"
-
-namespace snappy {
-
-void Varint::Append32(string* s, uint32 value) {
- char buf[Varint::kMax32];
- const char* p = Varint::Encode32(buf, value);
- s->append(buf, p - buf);
-}
-
-} // namespace snappy
http://git-wip-us.apache.org/repos/asf/couchdb/blob/350a7efd/src/snappy/c_src/google-snappy/snappy-stubs-internal.h
----------------------------------------------------------------------
diff --git a/src/snappy/c_src/google-snappy/snappy-stubs-internal.h b/src/snappy/c_src/google-snappy/snappy-stubs-internal.h
deleted file mode 100644
index 6033cdf..0000000
--- a/src/snappy/c_src/google-snappy/snappy-stubs-internal.h
+++ /dev/null
@@ -1,571 +0,0 @@
-// Copyright 2011 Google Inc. All Rights Reserved.
-//
-// 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.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// 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.
-//
-// Various stubs for the open-source version of Snappy.
-
-#ifndef UTIL_SNAPPY_OPENSOURCE_SNAPPY_STUBS_INTERNAL_H_
-#define UTIL_SNAPPY_OPENSOURCE_SNAPPY_STUBS_INTERNAL_H_
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <iostream>
-#include <string>
-
-#include <assert.h>
-#include <stdlib.h>
-#include <string.h>
-
-#ifdef HAVE_SYS_MMAN_H
-#include <sys/mman.h>
-#endif
-
-#include "snappy-stubs-public.h"
-
-#if defined(__x86_64__)
-
-// Enable 64-bit optimized versions of some routines.
-#define ARCH_K8 1
-
-#endif
-
-// Needed by OS X, among others.
-#ifndef MAP_ANONYMOUS
-#define MAP_ANONYMOUS MAP_ANON
-#endif
-
-// Pull in std::min, std::ostream, and the likes. This is safe because this
-// header file is never used from any public header files.
-using namespace std;
-
-// The size of an array, if known at compile-time.
-// Will give unexpected results if used on a pointer.
-// We undefine it first, since some compilers already have a definition.
-#ifdef ARRAYSIZE
-#undef ARRAYSIZE
-#endif
-#define ARRAYSIZE(a) (sizeof(a) / sizeof(*(a)))
-
-// Static prediction hints.
-#ifdef HAVE_BUILTIN_EXPECT
-#define PREDICT_FALSE(x) (__builtin_expect(x, 0))
-#define PREDICT_TRUE(x) (__builtin_expect(!!(x), 1))
-#else
-#define PREDICT_FALSE(x) x
-#define PREDICT_TRUE(x) x
-#endif
-
-// This is only used for recomputing the tag byte table used during
-// decompression; for simplicity we just remove it from the open-source
-// version (anyone who wants to regenerate it can just do the call
-// themselves within main()).
-#define DEFINE_bool(flag_name, default_value, description) \
- bool FLAGS_ ## flag_name = default_value
-#define DECLARE_bool(flag_name) \
- extern bool FLAGS_ ## flag_name
-
-namespace snappy {
-
-static const uint32 kuint32max = static_cast<uint32>(0xFFFFFFFF);
-static const int64 kint64max = static_cast<int64>(0x7FFFFFFFFFFFFFFFLL);
-
-// Logging.
-
-#define LOG(level) LogMessage()
-#define VLOG(level) true ? (void)0 : \
- snappy::LogMessageVoidify() & snappy::LogMessage()
-
-class LogMessage {
- public:
- LogMessage() { }
- ~LogMessage() {
- cerr << endl;
- }
-
- LogMessage& operator<<(const std::string& msg) {
- cerr << msg;
- return *this;
- }
- LogMessage& operator<<(int x) {
- cerr << x;
- return *this;
- }
-};
-
-// Asserts, both versions activated in debug mode only,
-// and ones that are always active.
-
-#define CRASH_UNLESS(condition) \
- PREDICT_TRUE(condition) ? (void)0 : \
- snappy::LogMessageVoidify() & snappy::LogMessageCrash()
-
-class LogMessageCrash : public LogMessage {
- public:
- LogMessageCrash() { }
- ~LogMessageCrash() {
- cerr << endl;
- abort();
- }
-};
-
-// This class is used to explicitly ignore values in the conditional
-// logging macros. This avoids compiler warnings like "value computed
-// is not used" and "statement has no effect".
-
-class LogMessageVoidify {
- public:
- LogMessageVoidify() { }
- // This has to be an operator with a precedence lower than << but
- // higher than ?:
- void operator&(const LogMessage&) { }
-};
-
-#define CHECK(cond) CRASH_UNLESS(cond)
-#define CHECK_LE(a, b) CRASH_UNLESS((a) <= (b))
-#define CHECK_GE(a, b) CRASH_UNLESS((a) >= (b))
-#define CHECK_EQ(a, b) CRASH_UNLESS((a) == (b))
-#define CHECK_NE(a, b) CRASH_UNLESS((a) != (b))
-#define CHECK_LT(a, b) CRASH_UNLESS((a) < (b))
-#define CHECK_GT(a, b) CRASH_UNLESS((a) > (b))
-
-#ifdef NDEBUG
-
-#define DCHECK(cond) CRASH_UNLESS(true)
-#define DCHECK_LE(a, b) CRASH_UNLESS(true)
-#define DCHECK_GE(a, b) CRASH_UNLESS(true)
-#define DCHECK_EQ(a, b) CRASH_UNLESS(true)
-#define DCHECK_NE(a, b) CRASH_UNLESS(true)
-#define DCHECK_LT(a, b) CRASH_UNLESS(true)
-#define DCHECK_GT(a, b) CRASH_UNLESS(true)
-
-#else
-
-#define DCHECK(cond) CHECK(cond)
-#define DCHECK_LE(a, b) CHECK_LE(a, b)
-#define DCHECK_GE(a, b) CHECK_GE(a, b)
-#define DCHECK_EQ(a, b) CHECK_EQ(a, b)
-#define DCHECK_NE(a, b) CHECK_NE(a, b)
-#define DCHECK_LT(a, b) CHECK_LT(a, b)
-#define DCHECK_GT(a, b) CHECK_GT(a, b)
-
-#endif
-
-// Potentially unaligned loads and stores.
-
-// x86 and PowerPC can simply do these loads and stores native.
-
-#if defined(__i386__) || defined(__x86_64__) || defined(__powerpc__)
-
-#define UNALIGNED_LOAD16(_p) (*reinterpret_cast<const uint16 *>(_p))
-#define UNALIGNED_LOAD32(_p) (*reinterpret_cast<const uint32 *>(_p))
-#define UNALIGNED_LOAD64(_p) (*reinterpret_cast<const uint64 *>(_p))
-
-#define UNALIGNED_STORE16(_p, _val) (*reinterpret_cast<uint16 *>(_p) = (_val))
-#define UNALIGNED_STORE32(_p, _val) (*reinterpret_cast<uint32 *>(_p) = (_val))
-#define UNALIGNED_STORE64(_p, _val) (*reinterpret_cast<uint64 *>(_p) = (_val))
-
-// ARMv7 and newer support native unaligned accesses, but only of 16-bit
-// and 32-bit values (not 64-bit); older versions either raise a fatal signal,
-// do an unaligned read and rotate the words around a bit, or do the reads very
-// slowly (trip through kernel mode). There's no simple #define that says just
-// “ARMv7 or higher”, so we have to filter away all ARMv5 and ARMv6
-// sub-architectures.
-//
-// This is a mess, but there's not much we can do about it.
-
-#elif defined(__arm__) && \
- !defined(__ARM_ARCH_5__) && \
- !defined(__ARM_ARCH_5T__) && \
- !defined(__ARM_ARCH_5TE__) && \
- !defined(__ARM_ARCH_5TEJ__) && \
- !defined(__ARM_ARCH_6__) && \
- !defined(__ARM_ARCH_6J__) && \
- !defined(__ARM_ARCH_6K__) && \
- !defined(__ARM_ARCH_6Z__) && \
- !defined(__ARM_ARCH_6ZK__) && \
- !defined(__ARM_ARCH_6T2__)
-
-#define UNALIGNED_LOAD16(_p) (*reinterpret_cast<const uint16 *>(_p))
-#define UNALIGNED_LOAD32(_p) (*reinterpret_cast<const uint32 *>(_p))
-
-#define UNALIGNED_STORE16(_p, _val) (*reinterpret_cast<uint16 *>(_p) = (_val))
-#define UNALIGNED_STORE32(_p, _val) (*reinterpret_cast<uint32 *>(_p) = (_val))
-
-// TODO(user): NEON supports unaligned 64-bit loads and stores.
-// See if that would be more efficient on platforms supporting it,
-// at least for copies.
-
-inline uint64 UNALIGNED_LOAD64(const void *p) {
- uint64 t;
- memcpy(&t, p, sizeof t);
- return t;
-}
-
-inline void UNALIGNED_STORE64(void *p, uint64 v) {
- memcpy(p, &v, sizeof v);
-}
-
-#else
-
-// These functions are provided for architectures that don't support
-// unaligned loads and stores.
-
-inline uint16 UNALIGNED_LOAD16(const void *p) {
- uint16 t;
- memcpy(&t, p, sizeof t);
- return t;
-}
-
-inline uint32 UNALIGNED_LOAD32(const void *p) {
- uint32 t;
- memcpy(&t, p, sizeof t);
- return t;
-}
-
-inline uint64 UNALIGNED_LOAD64(const void *p) {
- uint64 t;
- memcpy(&t, p, sizeof t);
- return t;
-}
-
-inline void UNALIGNED_STORE16(void *p, uint16 v) {
- memcpy(p, &v, sizeof v);
-}
-
-inline void UNALIGNED_STORE32(void *p, uint32 v) {
- memcpy(p, &v, sizeof v);
-}
-
-inline void UNALIGNED_STORE64(void *p, uint64 v) {
- memcpy(p, &v, sizeof v);
-}
-
-#endif
-
-// This can be more efficient than UNALIGNED_LOAD64 + UNALIGNED_STORE64
-// on some platforms, in particular ARM.
-inline void UnalignedCopy64(const void *src, void *dst) {
- if (sizeof(void *) == 8) {
- UNALIGNED_STORE64(dst, UNALIGNED_LOAD64(src));
- } else {
- const char *src_char = reinterpret_cast<const char *>(src);
- char *dst_char = reinterpret_cast<char *>(dst);
-
- UNALIGNED_STORE32(dst_char, UNALIGNED_LOAD32(src_char));
- UNALIGNED_STORE32(dst_char + 4, UNALIGNED_LOAD32(src_char + 4));
- }
-}
-
-// The following guarantees declaration of the byte swap functions.
-#ifdef WORDS_BIGENDIAN
-
-#ifdef HAVE_SYS_BYTEORDER_H
-#include <sys/byteorder.h>
-#endif
-
-#ifdef HAVE_SYS_ENDIAN_H
-#include <sys/endian.h>
-#endif
-
-#ifdef _MSC_VER
-#include <stdlib.h>
-#define bswap_16(x) _byteswap_ushort(x)
-#define bswap_32(x) _byteswap_ulong(x)
-#define bswap_64(x) _byteswap_uint64(x)
-
-#elif defined(__APPLE__)
-// Mac OS X / Darwin features
-#include <libkern/OSByteOrder.h>
-#define bswap_16(x) OSSwapInt16(x)
-#define bswap_32(x) OSSwapInt32(x)
-#define bswap_64(x) OSSwapInt64(x)
-
-#elif defined(HAVE_BYTESWAP_H)
-#include <byteswap.h>
-
-#elif defined(bswap32)
-// FreeBSD defines bswap{16,32,64} in <sys/endian.h> (already #included).
-#define bswap_16(x) bswap16(x)
-#define bswap_32(x) bswap32(x)
-#define bswap_64(x) bswap64(x)
-
-#elif defined(BSWAP_64)
-// Solaris 10 defines BSWAP_{16,32,64} in <sys/byteorder.h> (already #included).
-#define bswap_16(x) BSWAP_16(x)
-#define bswap_32(x) BSWAP_32(x)
-#define bswap_64(x) BSWAP_64(x)
-
-#else
-
-inline uint16 bswap_16(uint16 x) {
- return (x << 8) | (x >> 8);
-}
-
-inline uint32 bswap_32(uint32 x) {
- x = ((x & 0xff00ff00UL) >> 8) | ((x & 0x00ff00ffUL) << 8);
- return (x >> 16) | (x << 16);
-}
-
-inline uint64 bswap_64(uint64 x) {
- x = ((x & 0xff00ff00ff00ff00ULL) >> 8) | ((x & 0x00ff00ff00ff00ffULL) << 8);
- x = ((x & 0xffff0000ffff0000ULL) >> 16) | ((x & 0x0000ffff0000ffffULL) << 16);
- return (x >> 32) | (x << 32);
-}
-
-#endif
-
-#endif // WORDS_BIGENDIAN
-
-// Convert to little-endian storage, opposite of network format.
-// Convert x from host to little endian: x = LittleEndian.FromHost(x);
-// convert x from little endian to host: x = LittleEndian.ToHost(x);
-//
-// Store values into unaligned memory converting to little endian order:
-// LittleEndian.Store16(p, x);
-//
-// Load unaligned values stored in little endian converting to host order:
-// x = LittleEndian.Load16(p);
-class LittleEndian {
- public:
- // Conversion functions.
-#ifdef WORDS_BIGENDIAN
-
- static uint16 FromHost16(uint16 x) { return bswap_16(x); }
- static uint16 ToHost16(uint16 x) { return bswap_16(x); }
-
- static uint32 FromHost32(uint32 x) { return bswap_32(x); }
- static uint32 ToHost32(uint32 x) { return bswap_32(x); }
-
- static bool IsLittleEndian() { return false; }
-
-#else // !defined(WORDS_BIGENDIAN)
-
- static uint16 FromHost16(uint16 x) { return x; }
- static uint16 ToHost16(uint16 x) { return x; }
-
- static uint32 FromHost32(uint32 x) { return x; }
- static uint32 ToHost32(uint32 x) { return x; }
-
- static bool IsLittleEndian() { return true; }
-
-#endif // !defined(WORDS_BIGENDIAN)
-
- // Functions to do unaligned loads and stores in little-endian order.
- static uint16 Load16(const void *p) {
- return ToHost16(UNALIGNED_LOAD16(p));
- }
-
- static void Store16(void *p, uint16 v) {
- UNALIGNED_STORE16(p, FromHost16(v));
- }
-
- static uint32 Load32(const void *p) {
- return ToHost32(UNALIGNED_LOAD32(p));
- }
-
- static void Store32(void *p, uint32 v) {
- UNALIGNED_STORE32(p, FromHost32(v));
- }
-};
-
-// Some bit-manipulation functions.
-class Bits {
- public:
- // Return floor(log2(n)) for positive integer n. Returns -1 iff n == 0.
- static int Log2Floor(uint32 n);
-
- // Return the first set least / most significant bit, 0-indexed. Returns an
- // undefined value if n == 0. FindLSBSetNonZero() is similar to ffs() except
- // that it's 0-indexed.
- static int FindLSBSetNonZero(uint32 n);
- static int FindLSBSetNonZero64(uint64 n);
-
- private:
- DISALLOW_COPY_AND_ASSIGN(Bits);
-};
-
-#ifdef HAVE_BUILTIN_CTZ
-
-inline int Bits::Log2Floor(uint32 n) {
- return n == 0 ? -1 : 31 ^ __builtin_clz(n);
-}
-
-inline int Bits::FindLSBSetNonZero(uint32 n) {
- return __builtin_ctz(n);
-}
-
-inline int Bits::FindLSBSetNonZero64(uint64 n) {
- return __builtin_ctzll(n);
-}
-
-#else // Portable versions.
-
-inline int Bits::Log2Floor(uint32 n) {
- if (n == 0)
- return -1;
- int log = 0;
- uint32 value = n;
- for (int i = 4; i >= 0; --i) {
- int shift = (1 << i);
- uint32 x = value >> shift;
- if (x != 0) {
- value = x;
- log += shift;
- }
- }
- assert(value == 1);
- return log;
-}
-
-inline int Bits::FindLSBSetNonZero(uint32 n) {
- int rc = 31;
- for (int i = 4, shift = 1 << 4; i >= 0; --i) {
- const uint32 x = n << shift;
- if (x != 0) {
- n = x;
- rc -= shift;
- }
- shift >>= 1;
- }
- return rc;
-}
-
-// FindLSBSetNonZero64() is defined in terms of FindLSBSetNonZero().
-inline int Bits::FindLSBSetNonZero64(uint64 n) {
- const uint32 bottombits = static_cast<uint32>(n);
- if (bottombits == 0) {
- // Bottom bits are zero, so scan in top bits
- return 32 + FindLSBSetNonZero(static_cast<uint32>(n >> 32));
- } else {
- return FindLSBSetNonZero(bottombits);
- }
-}
-
-#endif // End portable versions.
-
-// Variable-length integer encoding.
-class Varint {
- public:
- // Maximum lengths of varint encoding of uint32.
- static const int kMax32 = 5;
-
- // Attempts to parse a varint32 from a prefix of the bytes in [ptr,limit-1].
- // Never reads a character at or beyond limit. If a valid/terminated varint32
- // was found in the range, stores it in *OUTPUT and returns a pointer just
- // past the last byte of the varint32. Else returns NULL. On success,
- // "result <= limit".
- static const char* Parse32WithLimit(const char* ptr, const char* limit,
- uint32* OUTPUT);
-
- // REQUIRES "ptr" points to a buffer of length sufficient to hold "v".
- // EFFECTS Encodes "v" into "ptr" and returns a pointer to the
- // byte just past the last encoded byte.
- static char* Encode32(char* ptr, uint32 v);
-
- // EFFECTS Appends the varint representation of "value" to "*s".
- static void Append32(string* s, uint32 value);
-};
-
-inline const char* Varint::Parse32WithLimit(const char* p,
- const char* l,
- uint32* OUTPUT) {
- const unsigned char* ptr = reinterpret_cast<const unsigned char*>(p);
- const unsigned char* limit = reinterpret_cast<const unsigned char*>(l);
- uint32 b, result;
- if (ptr >= limit) return NULL;
- b = *(ptr++); result = b & 127; if (b < 128) goto done;
- if (ptr >= limit) return NULL;
- b = *(ptr++); result |= (b & 127) << 7; if (b < 128) goto done;
- if (ptr >= limit) return NULL;
- b = *(ptr++); result |= (b & 127) << 14; if (b < 128) goto done;
- if (ptr >= limit) return NULL;
- b = *(ptr++); result |= (b & 127) << 21; if (b < 128) goto done;
- if (ptr >= limit) return NULL;
- b = *(ptr++); result |= (b & 127) << 28; if (b < 16) goto done;
- return NULL; // Value is too long to be a varint32
- done:
- *OUTPUT = result;
- return reinterpret_cast<const char*>(ptr);
-}
-
-inline char* Varint::Encode32(char* sptr, uint32 v) {
- // Operate on characters as unsigneds
- unsigned char* ptr = reinterpret_cast<unsigned char*>(sptr);
- static const int B = 128;
- if (v < (1<<7)) {
- *(ptr++) = v;
- } else if (v < (1<<14)) {
- *(ptr++) = v | B;
- *(ptr++) = v>>7;
- } else if (v < (1<<21)) {
- *(ptr++) = v | B;
- *(ptr++) = (v>>7) | B;
- *(ptr++) = v>>14;
- } else if (v < (1<<28)) {
- *(ptr++) = v | B;
- *(ptr++) = (v>>7) | B;
- *(ptr++) = (v>>14) | B;
- *(ptr++) = v>>21;
- } else {
- *(ptr++) = v | B;
- *(ptr++) = (v>>7) | B;
- *(ptr++) = (v>>14) | B;
- *(ptr++) = (v>>21) | B;
- *(ptr++) = v>>28;
- }
- return reinterpret_cast<char*>(ptr);
-}
-
-// If you know the internal layout of the std::string in use, you can
-// replace this function with one that resizes the string without
-// filling the new space with zeros (if applicable) --
-// it will be non-portable but faster.
-inline void STLStringResizeUninitialized(string* s, size_t new_size) {
- s->resize(new_size);
-}
-
-// Return a mutable char* pointing to a string's internal buffer,
-// which may not be null-terminated. Writing through this pointer will
-// modify the string.
-//
-// string_as_array(&str)[i] is valid for 0 <= i < str.size() until the
-// next call to a string method that invalidates iterators.
-//
-// As of 2006-04, there is no standard-blessed way of getting a
-// mutable reference to a string's internal buffer. However, issue 530
-// (http://www.open-std.org/JTC1/SC22/WG21/docs/lwg-defects.html#530)
-// proposes this as the method. It will officially be part of the standard
-// for C++0x. This should already work on all current implementations.
-inline char* string_as_array(string* str) {
- return str->empty() ? NULL : &*str->begin();
-}
-
-} // namespace snappy
-
-#endif // UTIL_SNAPPY_OPENSOURCE_SNAPPY_STUBS_INTERNAL_H_
http://git-wip-us.apache.org/repos/asf/couchdb/blob/350a7efd/src/snappy/c_src/google-snappy/snappy-stubs-public.h.in
----------------------------------------------------------------------
diff --git a/src/snappy/c_src/google-snappy/snappy-stubs-public.h.in b/src/snappy/c_src/google-snappy/snappy-stubs-public.h.in
deleted file mode 100644
index f0babcb..0000000
--- a/src/snappy/c_src/google-snappy/snappy-stubs-public.h.in
+++ /dev/null
@@ -1,85 +0,0 @@
-// Copyright 2011 Google Inc. All Rights Reserved.
-// Author: sesse@google.com (Steinar H. Gunderson)
-//
-// 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.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// 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.
-//
-// Various type stubs for the open-source version of Snappy.
-//
-// This file cannot include config.h, as it is included from snappy.h,
-// which is a public header. Instead, snappy-stubs-public.h is generated by
-// from snappy-stubs-public.h.in at configure time.
-
-#ifndef UTIL_SNAPPY_OPENSOURCE_SNAPPY_STUBS_PUBLIC_H_
-#define UTIL_SNAPPY_OPENSOURCE_SNAPPY_STUBS_PUBLIC_H_
-
-#if @ac_cv_have_stdint_h@
-#include <stdint.h>
-#endif
-
-#if @ac_cv_have_stddef_h@
-#include <stddef.h>
-#endif
-
-#define SNAPPY_MAJOR @SNAPPY_MAJOR@
-#define SNAPPY_MINOR @SNAPPY_MINOR@
-#define SNAPPY_PATCHLEVEL @SNAPPY_PATCHLEVEL@
-#define SNAPPY_VERSION \
- ((SNAPPY_MAJOR << 16) | (SNAPPY_MINOR << 8) | SNAPPY_PATCHLEVEL)
-
-#include <string>
-
-namespace snappy {
-
-#if @ac_cv_have_stdint_h@
-typedef int8_t int8;
-typedef uint8_t uint8;
-typedef int16_t int16;
-typedef uint16_t uint16;
-typedef int32_t int32;
-typedef uint32_t uint32;
-typedef int64_t int64;
-typedef uint64_t uint64;
-#else
-typedef signed char int8;
-typedef unsigned char uint8;
-typedef short int16;
-typedef unsigned short uint16;
-typedef int int32;
-typedef unsigned int uint32;
-typedef long long int64;
-typedef unsigned long long uint64;
-#endif
-
-typedef std::string string;
-
-#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
- TypeName(const TypeName&); \
- void operator=(const TypeName&)
-
-} // namespace snappy
-
-#endif // UTIL_SNAPPY_OPENSOURCE_SNAPPY_STUBS_PUBLIC_H_