Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 342 insertions, 0 deletions

diff --git a/other-licenses/snappy/src/snappy-test.h b/other-licenses/snappy/src/snappy-test.h
new file mode 100644
index 0000000000..f80d343377
--- /dev/null
+++ b/other-licenses/snappy/src/snappy-test.h
@@ -0,0 +1,342 @@
+// 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 unit tests for the open-source version of Snappy.
+
+#ifndef THIRD_PARTY_SNAPPY_OPENSOURCE_SNAPPY_TEST_H_
+#define THIRD_PARTY_SNAPPY_OPENSOURCE_SNAPPY_TEST_H_
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "snappy-stubs-internal.h"
+
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#endif
+
+#ifdef HAVE_SYS_RESOURCE_H
+#include <sys/resource.h>
+#endif
+
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+
+#ifdef HAVE_WINDOWS_H
+// Needed to be able to use std::max without workarounds in the source code.
+// https://support.microsoft.com/en-us/help/143208/prb-using-stl-in-windows-program-can-cause-min-max-conflicts
+#define NOMINMAX
+#include <windows.h>
+#endif
+
+#define InitGoogle(argv0, argc, argv, remove_flags) ((void)(0))
+
+#ifdef HAVE_LIBZ
+#include "zlib.h"
+#endif
+
+#ifdef HAVE_LIBLZO2
+#include "lzo/lzo1x.h"
+#endif
+
+#ifdef HAVE_LIBLZ4
+#include "lz4.h"
+#endif
+
+namespace file {
+
+// Stubs the class file::Options.
+//
+// This class should not be instantiated explicitly. It should only be used by
+// passing file::Defaults() to file::GetContents() / file::SetContents().
+class OptionsStub {
+ public:
+  OptionsStub();
+  OptionsStub(const OptionsStub &) = delete;
+  OptionsStub &operator=(const OptionsStub &) = delete;
+  ~OptionsStub();
+};
+
+const OptionsStub &Defaults();
+
+// Stubs the class absl::Status.
+//
+// This class should not be instantiated explicitly. It should only be used by
+// passing the result of file::GetContents() / file::SetContents() to
+// CHECK_OK().
+class StatusStub {
+ public:
+  StatusStub();
+  StatusStub(const StatusStub &);
+  StatusStub &operator=(const StatusStub &);
+  ~StatusStub();
+
+  bool ok();
+};
+
+StatusStub GetContents(const std::string &file_name, std::string *output,
+                       const OptionsStub & /* options */);
+
+StatusStub SetContents(const std::string &file_name, const std::string &content,
+                       const OptionsStub & /* options */);
+
+}  // namespace file
+
+namespace snappy {
+
+#define FLAGS_test_random_seed 301
+
+std::string ReadTestDataFile(const std::string& base, size_t size_limit);
+
+// A std::sprintf() variant that returns a std::string.
+// Not safe for general use due to truncation issues.
+std::string StrFormat(const char* format, ...);
+
+// A wall-time clock. This stub is not super-accurate, nor resistant to the
+// system time changing.
+class CycleTimer {
+ public:
+  inline CycleTimer() : real_time_us_(0) {}
+  inline ~CycleTimer() = default;
+
+  inline void Start() {
+#ifdef WIN32
+    QueryPerformanceCounter(&start_);
+#else
+    ::gettimeofday(&start_, nullptr);
+#endif
+  }
+
+  inline void Stop() {
+#ifdef WIN32
+    LARGE_INTEGER stop;
+    LARGE_INTEGER frequency;
+    QueryPerformanceCounter(&stop);
+    QueryPerformanceFrequency(&frequency);
+
+    double elapsed = static_cast<double>(stop.QuadPart - start_.QuadPart) /
+        frequency.QuadPart;
+    real_time_us_ += elapsed * 1e6 + 0.5;
+#else
+    struct ::timeval stop;
+    ::gettimeofday(&stop, nullptr);
+
+    real_time_us_ += 1000000 * (stop.tv_sec - start_.tv_sec);
+    real_time_us_ += (stop.tv_usec - start_.tv_usec);
+#endif
+  }
+
+  inline double Get() { return real_time_us_ * 1e-6; }
+
+ private:
+  int64_t real_time_us_;
+#ifdef WIN32
+  LARGE_INTEGER start_;
+#else
+  struct ::timeval start_;
+#endif
+};
+
+// Logging.
+
+class LogMessage {
+ public:
+  inline LogMessage() = default;
+  ~LogMessage();
+
+  LogMessage &operator<<(const std::string &message);
+  LogMessage &operator<<(int number);
+};
+
+class LogMessageCrash : public LogMessage {
+ public:
+  inline LogMessageCrash() = default;
+  ~LogMessageCrash();
+};
+
+// 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:
+  inline LogMessageVoidify() = default;
+  inline ~LogMessageVoidify() = default;
+
+  // This has to be an operator with a precedence lower than << but
+  // higher than ?:
+  inline void operator&(const LogMessage &) {}
+};
+
+// Asserts, both versions activated in debug mode only,
+// and ones that are always active.
+
+#define CRASH_UNLESS(condition)  \
+  SNAPPY_PREDICT_TRUE(condition) \
+      ? (void)0                  \
+      : snappy::LogMessageVoidify() & snappy::LogMessageCrash()
+
+#define LOG(level) LogMessage()
+#define VLOG(level) \
+  true ? (void)0 : snappy::LogMessageVoidify() & snappy::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))
+#define CHECK_OK(cond) (cond).ok()
+
+#ifdef HAVE_LIBZ
+
+// Object-oriented wrapper around zlib.
+class ZLib {
+ public:
+  ZLib();
+  ~ZLib();
+
+  // Wipe a ZLib object to a virgin state.  This differs from Reset()
+  // in that it also breaks any state.
+  void Reinit();
+
+  // Call this to make a zlib buffer as good as new.  Here's the only
+  // case where they differ:
+  //    CompressChunk(a); CompressChunk(b); CompressChunkDone();   vs
+  //    CompressChunk(a); Reset(); CompressChunk(b); CompressChunkDone();
+  // You'll want to use Reset(), then, when you interrupt a compress
+  // (or uncompress) in the middle of a chunk and want to start over.
+  void Reset();
+
+  // According to the zlib manual, when you Compress, the destination
+  // buffer must have size at least src + .1%*src + 12.  This function
+  // helps you calculate that.  Augment this to account for a potential
+  // gzip header and footer, plus a few bytes of slack.
+  static int MinCompressbufSize(int uncompress_size) {
+    return uncompress_size + uncompress_size/1000 + 40;
+  }
+
+  // Compresses the source buffer into the destination buffer.
+  // sourceLen is the byte length of the source buffer.
+  // Upon entry, destLen is the total size of the destination buffer,
+  // which must be of size at least MinCompressbufSize(sourceLen).
+  // Upon exit, destLen is the actual size of the compressed buffer.
+  //
+  // This function can be used to compress a whole file at once if the
+  // input file is mmap'ed.
+  //
+  // Returns Z_OK if success, Z_MEM_ERROR if there was not
+  // enough memory, Z_BUF_ERROR if there was not enough room in the
+  // output buffer. Note that if the output buffer is exactly the same
+  // size as the compressed result, we still return Z_BUF_ERROR.
+  // (check CL#1936076)
+  int Compress(Bytef *dest, uLongf *destLen,
+               const Bytef *source, uLong sourceLen);
+
+  // Uncompresses the source buffer into the destination buffer.
+  // The destination buffer must be long enough to hold the entire
+  // decompressed contents.
+  //
+  // Returns Z_OK on success, otherwise, it returns a zlib error code.
+  int Uncompress(Bytef *dest, uLongf *destLen,
+                 const Bytef *source, uLong sourceLen);
+
+  // Uncompress data one chunk at a time -- ie you can call this
+  // more than once.  To get this to work you need to call per-chunk
+  // and "done" routines.
+  //
+  // Returns Z_OK if success, Z_MEM_ERROR if there was not
+  // enough memory, Z_BUF_ERROR if there was not enough room in the
+  // output buffer.
+
+  int UncompressAtMost(Bytef *dest, uLongf *destLen,
+                       const Bytef *source, uLong *sourceLen);
+
+  // Checks gzip footer information, as needed.  Mostly this just
+  // makes sure the checksums match.  Whenever you call this, it
+  // will assume the last 8 bytes from the previous UncompressChunk
+  // call are the footer.  Returns true iff everything looks ok.
+  bool UncompressChunkDone();
+
+ private:
+  int InflateInit();       // sets up the zlib inflate structure
+  int DeflateInit();       // sets up the zlib deflate structure
+
+  // These init the zlib data structures for compressing/uncompressing
+  int CompressInit(Bytef *dest, uLongf *destLen,
+                   const Bytef *source, uLong *sourceLen);
+  int UncompressInit(Bytef *dest, uLongf *destLen,
+                     const Bytef *source, uLong *sourceLen);
+  // Initialization method to be called if we hit an error while
+  // uncompressing. On hitting an error, call this method before
+  // returning the error.
+  void UncompressErrorInit();
+
+  // Helper function for Compress
+  int CompressChunkOrAll(Bytef *dest, uLongf *destLen,
+                         const Bytef *source, uLong sourceLen,
+                         int flush_mode);
+  int CompressAtMostOrAll(Bytef *dest, uLongf *destLen,
+                          const Bytef *source, uLong *sourceLen,
+                          int flush_mode);
+
+  // Likewise for UncompressAndUncompressChunk
+  int UncompressChunkOrAll(Bytef *dest, uLongf *destLen,
+                           const Bytef *source, uLong sourceLen,
+                           int flush_mode);
+
+  int UncompressAtMostOrAll(Bytef *dest, uLongf *destLen,
+                            const Bytef *source, uLong *sourceLen,
+                            int flush_mode);
+
+  // Initialization method to be called if we hit an error while
+  // compressing. On hitting an error, call this method before
+  // returning the error.
+  void CompressErrorInit();
+
+  int compression_level_;   // compression level
+  int window_bits_;         // log base 2 of the window size used in compression
+  int mem_level_;           // specifies the amount of memory to be used by
+                            // compressor (1-9)
+  z_stream comp_stream_;    // Zlib stream data structure
+  bool comp_init_;          // True if we have initialized comp_stream_
+  z_stream uncomp_stream_;  // Zlib stream data structure
+  bool uncomp_init_;        // True if we have initialized uncomp_stream_
+
+  // These are used only with chunked compression.
+  bool first_chunk_;       // true if we need to emit headers with this chunk
+};
+
+#endif  // HAVE_LIBZ
+
+}  // namespace snappy
+
+#endif  // THIRD_PARTY_SNAPPY_OPENSOURCE_SNAPPY_TEST_H_