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Diffstat (limited to 'third_party/abseil_cpp/absl/base/internal/raw_logging.cc')
-rw-r--r--third_party/abseil_cpp/absl/base/internal/raw_logging.cc240
1 files changed, 0 insertions, 240 deletions
diff --git a/third_party/abseil_cpp/absl/base/internal/raw_logging.cc b/third_party/abseil_cpp/absl/base/internal/raw_logging.cc
deleted file mode 100644
index 40cea55061..0000000000
--- a/third_party/abseil_cpp/absl/base/internal/raw_logging.cc
+++ /dev/null
@@ -1,240 +0,0 @@
-// Copyright 2017 The Abseil Authors.
-//
-// Licensed 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
-//
-//      https://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.
-
-#include "absl/base/internal/raw_logging.h"
-
-#include <stddef.h>
-#include <cstdarg>
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-
-#include "absl/base/attributes.h"
-#include "absl/base/config.h"
-#include "absl/base/internal/atomic_hook.h"
-#include "absl/base/log_severity.h"
-
-// We know how to perform low-level writes to stderr in POSIX and Windows.  For
-// these platforms, we define the token ABSL_LOW_LEVEL_WRITE_SUPPORTED.
-// Much of raw_logging.cc becomes a no-op when we can't output messages,
-// although a FATAL ABSL_RAW_LOG message will still abort the process.
-
-// ABSL_HAVE_POSIX_WRITE is defined when the platform provides posix write()
-// (as from unistd.h)
-//
-// This preprocessor token is also defined in raw_io.cc.  If you need to copy
-// this, consider moving both to config.h instead.
-#if defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || \
-    defined(__Fuchsia__) || defined(__native_client__) || \
-    defined(__EMSCRIPTEN__) || defined(__ASYLO__)
-
-#include <unistd.h>
-
-#define ABSL_HAVE_POSIX_WRITE 1
-#define ABSL_LOW_LEVEL_WRITE_SUPPORTED 1
-#else
-#undef ABSL_HAVE_POSIX_WRITE
-#endif
-
-// ABSL_HAVE_SYSCALL_WRITE is defined when the platform provides the syscall
-//   syscall(SYS_write, /*int*/ fd, /*char* */ buf, /*size_t*/ len);
-// for low level operations that want to avoid libc.
-#if (defined(__linux__) || defined(__FreeBSD__)) && !defined(__ANDROID__)
-#include <sys/syscall.h>
-#define ABSL_HAVE_SYSCALL_WRITE 1
-#define ABSL_LOW_LEVEL_WRITE_SUPPORTED 1
-#else
-#undef ABSL_HAVE_SYSCALL_WRITE
-#endif
-
-#ifdef _WIN32
-#include <io.h>
-
-#define ABSL_HAVE_RAW_IO 1
-#define ABSL_LOW_LEVEL_WRITE_SUPPORTED 1
-#else
-#undef ABSL_HAVE_RAW_IO
-#endif
-
-// TODO(gfalcon): We want raw-logging to work on as many platforms as possible.
-// Explicitly #error out when not ABSL_LOW_LEVEL_WRITE_SUPPORTED, except for a
-// whitelisted set of platforms for which we expect not to be able to raw log.
-
-ABSL_INTERNAL_ATOMIC_HOOK_ATTRIBUTES static absl::base_internal::AtomicHook<
-    absl::raw_logging_internal::LogPrefixHook>
-    log_prefix_hook;
-ABSL_INTERNAL_ATOMIC_HOOK_ATTRIBUTES static absl::base_internal::AtomicHook<
-    absl::raw_logging_internal::AbortHook>
-    abort_hook;
-
-#ifdef ABSL_LOW_LEVEL_WRITE_SUPPORTED
-static const char kTruncated[] = " ... (message truncated)\n";
-
-// sprintf the format to the buffer, adjusting *buf and *size to reflect the
-// consumed bytes, and return whether the message fit without truncation.  If
-// truncation occurred, if possible leave room in the buffer for the message
-// kTruncated[].
-inline static bool VADoRawLog(char** buf, int* size, const char* format,
-                              va_list ap) ABSL_PRINTF_ATTRIBUTE(3, 0);
-inline static bool VADoRawLog(char** buf, int* size,
-                              const char* format, va_list ap) {
-  int n = vsnprintf(*buf, *size, format, ap);
-  bool result = true;
-  if (n < 0 || n > *size) {
-    result = false;
-    if (static_cast<size_t>(*size) > sizeof(kTruncated)) {
-      n = *size - sizeof(kTruncated);  // room for truncation message
-    } else {
-      n = 0;                           // no room for truncation message
-    }
-  }
-  *size -= n;
-  *buf += n;
-  return result;
-}
-#endif  // ABSL_LOW_LEVEL_WRITE_SUPPORTED
-
-static constexpr int kLogBufSize = 3000;
-
-namespace {
-
-// CAVEAT: vsnprintf called from *DoRawLog below has some (exotic) code paths
-// that invoke malloc() and getenv() that might acquire some locks.
-
-// Helper for RawLog below.
-// *DoRawLog writes to *buf of *size and move them past the written portion.
-// It returns true iff there was no overflow or error.
-bool DoRawLog(char** buf, int* size, const char* format, ...)
-    ABSL_PRINTF_ATTRIBUTE(3, 4);
-bool DoRawLog(char** buf, int* size, const char* format, ...) {
-  va_list ap;
-  va_start(ap, format);
-  int n = vsnprintf(*buf, *size, format, ap);
-  va_end(ap);
-  if (n < 0 || n > *size) return false;
-  *size -= n;
-  *buf += n;
-  return true;
-}
-
-void RawLogVA(absl::LogSeverity severity, const char* file, int line,
-              const char* format, va_list ap) ABSL_PRINTF_ATTRIBUTE(4, 0);
-void RawLogVA(absl::LogSeverity severity, const char* file, int line,
-              const char* format, va_list ap) {
-  char buffer[kLogBufSize];
-  char* buf = buffer;
-  int size = sizeof(buffer);
-#ifdef ABSL_LOW_LEVEL_WRITE_SUPPORTED
-  bool enabled = true;
-#else
-  bool enabled = false;
-#endif
-
-#ifdef ABSL_MIN_LOG_LEVEL
-  if (severity < static_cast<absl::LogSeverity>(ABSL_MIN_LOG_LEVEL) &&
-      severity < absl::LogSeverity::kFatal) {
-    enabled = false;
-  }
-#endif
-
-  auto log_prefix_hook_ptr = log_prefix_hook.Load();
-  if (log_prefix_hook_ptr) {
-    enabled = log_prefix_hook_ptr(severity, file, line, &buf, &size);
-  } else {
-    if (enabled) {
-      DoRawLog(&buf, &size, "[%s : %d] RAW: ", file, line);
-    }
-  }
-  const char* const prefix_end = buf;
-
-#ifdef ABSL_LOW_LEVEL_WRITE_SUPPORTED
-  if (enabled) {
-    bool no_chop = VADoRawLog(&buf, &size, format, ap);
-    if (no_chop) {
-      DoRawLog(&buf, &size, "\n");
-    } else {
-      DoRawLog(&buf, &size, "%s", kTruncated);
-    }
-    absl::raw_logging_internal::SafeWriteToStderr(buffer, strlen(buffer));
-  }
-#else
-  static_cast<void>(format);
-  static_cast<void>(ap);
-#endif
-
-  // Abort the process after logging a FATAL message, even if the output itself
-  // was suppressed.
-  if (severity == absl::LogSeverity::kFatal) {
-    abort_hook(file, line, buffer, prefix_end, buffer + kLogBufSize);
-    abort();
-  }
-}
-
-}  // namespace
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-namespace raw_logging_internal {
-void SafeWriteToStderr(const char *s, size_t len) {
-#if defined(ABSL_HAVE_SYSCALL_WRITE)
-  syscall(SYS_write, STDERR_FILENO, s, len);
-#elif defined(ABSL_HAVE_POSIX_WRITE)
-  write(STDERR_FILENO, s, len);
-#elif defined(ABSL_HAVE_RAW_IO)
-  _write(/* stderr */ 2, s, len);
-#else
-  // stderr logging unsupported on this platform
-  (void) s;
-  (void) len;
-#endif
-}
-
-void RawLog(absl::LogSeverity severity, const char* file, int line,
-            const char* format, ...) ABSL_PRINTF_ATTRIBUTE(4, 5);
-void RawLog(absl::LogSeverity severity, const char* file, int line,
-            const char* format, ...) {
-  va_list ap;
-  va_start(ap, format);
-  RawLogVA(severity, file, line, format, ap);
-  va_end(ap);
-}
-
-// Non-formatting version of RawLog().
-//
-// TODO(gfalcon): When string_view no longer depends on base, change this
-// interface to take its message as a string_view instead.
-static void DefaultInternalLog(absl::LogSeverity severity, const char* file,
-                               int line, const std::string& message) {
-  RawLog(severity, file, line, "%s", message.c_str());
-}
-
-bool RawLoggingFullySupported() {
-#ifdef ABSL_LOW_LEVEL_WRITE_SUPPORTED
-  return true;
-#else  // !ABSL_LOW_LEVEL_WRITE_SUPPORTED
-  return false;
-#endif  // !ABSL_LOW_LEVEL_WRITE_SUPPORTED
-}
-
-ABSL_DLL ABSL_INTERNAL_ATOMIC_HOOK_ATTRIBUTES
-    absl::base_internal::AtomicHook<InternalLogFunction>
-        internal_log_function(DefaultInternalLog);
-
-void RegisterInternalLogFunction(InternalLogFunction func) {
-  internal_log_function.Store(func);
-}
-
-}  // namespace raw_logging_internal
-ABSL_NAMESPACE_END
-}  // namespace absl