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-rw-r--r--third_party/abseil_cpp/absl/strings/str_cat.cc246
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diff --git a/third_party/abseil_cpp/absl/strings/str_cat.cc b/third_party/abseil_cpp/absl/strings/str_cat.cc
deleted file mode 100644
index dd5d25b0d6df..000000000000
--- a/third_party/abseil_cpp/absl/strings/str_cat.cc
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@@ -1,246 +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/strings/str_cat.h"
-
-#include <assert.h>
-
-#include <algorithm>
-#include <cstdint>
-#include <cstring>
-
-#include "absl/strings/ascii.h"
-#include "absl/strings/internal/resize_uninitialized.h"
-#include "absl/strings/numbers.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-
-AlphaNum::AlphaNum(Hex hex) {
-  static_assert(numbers_internal::kFastToBufferSize >= 32,
-                "This function only works when output buffer >= 32 bytes long");
-  char* const end = &digits_[numbers_internal::kFastToBufferSize];
-  auto real_width =
-      absl::numbers_internal::FastHexToBufferZeroPad16(hex.value, end - 16);
-  if (real_width >= hex.width) {
-    piece_ = absl::string_view(end - real_width, real_width);
-  } else {
-    // Pad first 16 chars because FastHexToBufferZeroPad16 pads only to 16 and
-    // max pad width can be up to 20.
-    std::memset(end - 32, hex.fill, 16);
-    // Patch up everything else up to the real_width.
-    std::memset(end - real_width - 16, hex.fill, 16);
-    piece_ = absl::string_view(end - hex.width, hex.width);
-  }
-}
-
-AlphaNum::AlphaNum(Dec dec) {
-  assert(dec.width <= numbers_internal::kFastToBufferSize);
-  char* const end = &digits_[numbers_internal::kFastToBufferSize];
-  char* const minfill = end - dec.width;
-  char* writer = end;
-  uint64_t value = dec.value;
-  bool neg = dec.neg;
-  while (value > 9) {
-    *--writer = '0' + (value % 10);
-    value /= 10;
-  }
-  *--writer = '0' + value;
-  if (neg) *--writer = '-';
-
-  ptrdiff_t fillers = writer - minfill;
-  if (fillers > 0) {
-    // Tricky: if the fill character is ' ', then it's <fill><+/-><digits>
-    // But...: if the fill character is '0', then it's <+/-><fill><digits>
-    bool add_sign_again = false;
-    if (neg && dec.fill == '0') {  // If filling with '0',
-      ++writer;                    // ignore the sign we just added
-      add_sign_again = true;       // and re-add the sign later.
-    }
-    writer -= fillers;
-    std::fill_n(writer, fillers, dec.fill);
-    if (add_sign_again) *--writer = '-';
-  }
-
-  piece_ = absl::string_view(writer, end - writer);
-}
-
-// ----------------------------------------------------------------------
-// StrCat()
-//    This merges the given strings or integers, with no delimiter. This
-//    is designed to be the fastest possible way to construct a string out
-//    of a mix of raw C strings, string_views, strings, and integer values.
-// ----------------------------------------------------------------------
-
-// Append is merely a version of memcpy that returns the address of the byte
-// after the area just overwritten.
-static char* Append(char* out, const AlphaNum& x) {
-  // memcpy is allowed to overwrite arbitrary memory, so doing this after the
-  // call would force an extra fetch of x.size().
-  char* after = out + x.size();
-  if (x.size() != 0) {
-    memcpy(out, x.data(), x.size());
-  }
-  return after;
-}
-
-std::string StrCat(const AlphaNum& a, const AlphaNum& b) {
-  std::string result;
-  absl::strings_internal::STLStringResizeUninitialized(&result,
-                                                       a.size() + b.size());
-  char* const begin = &result[0];
-  char* out = begin;
-  out = Append(out, a);
-  out = Append(out, b);
-  assert(out == begin + result.size());
-  return result;
-}
-
-std::string StrCat(const AlphaNum& a, const AlphaNum& b, const AlphaNum& c) {
-  std::string result;
-  strings_internal::STLStringResizeUninitialized(
-      &result, a.size() + b.size() + c.size());
-  char* const begin = &result[0];
-  char* out = begin;
-  out = Append(out, a);
-  out = Append(out, b);
-  out = Append(out, c);
-  assert(out == begin + result.size());
-  return result;
-}
-
-std::string StrCat(const AlphaNum& a, const AlphaNum& b, const AlphaNum& c,
-                   const AlphaNum& d) {
-  std::string result;
-  strings_internal::STLStringResizeUninitialized(
-      &result, a.size() + b.size() + c.size() + d.size());
-  char* const begin = &result[0];
-  char* out = begin;
-  out = Append(out, a);
-  out = Append(out, b);
-  out = Append(out, c);
-  out = Append(out, d);
-  assert(out == begin + result.size());
-  return result;
-}
-
-namespace strings_internal {
-
-// Do not call directly - these are not part of the public API.
-std::string CatPieces(std::initializer_list<absl::string_view> pieces) {
-  std::string result;
-  size_t total_size = 0;
-  for (const absl::string_view& piece : pieces) total_size += piece.size();
-  strings_internal::STLStringResizeUninitialized(&result, total_size);
-
-  char* const begin = &result[0];
-  char* out = begin;
-  for (const absl::string_view& piece : pieces) {
-    const size_t this_size = piece.size();
-    if (this_size != 0) {
-      memcpy(out, piece.data(), this_size);
-      out += this_size;
-    }
-  }
-  assert(out == begin + result.size());
-  return result;
-}
-
-// It's possible to call StrAppend with an absl::string_view that is itself a
-// fragment of the string we're appending to.  However the results of this are
-// random. Therefore, check for this in debug mode.  Use unsigned math so we
-// only have to do one comparison. Note, there's an exception case: appending an
-// empty string is always allowed.
-#define ASSERT_NO_OVERLAP(dest, src) \
-  assert(((src).size() == 0) ||      \
-         (uintptr_t((src).data() - (dest).data()) > uintptr_t((dest).size())))
-
-void AppendPieces(std::string* dest,
-                  std::initializer_list<absl::string_view> pieces) {
-  size_t old_size = dest->size();
-  size_t total_size = old_size;
-  for (const absl::string_view& piece : pieces) {
-    ASSERT_NO_OVERLAP(*dest, piece);
-    total_size += piece.size();
-  }
-  strings_internal::STLStringResizeUninitialized(dest, total_size);
-
-  char* const begin = &(*dest)[0];
-  char* out = begin + old_size;
-  for (const absl::string_view& piece : pieces) {
-    const size_t this_size = piece.size();
-    if (this_size != 0) {
-      memcpy(out, piece.data(), this_size);
-      out += this_size;
-    }
-  }
-  assert(out == begin + dest->size());
-}
-
-}  // namespace strings_internal
-
-void StrAppend(std::string* dest, const AlphaNum& a) {
-  ASSERT_NO_OVERLAP(*dest, a);
-  dest->append(a.data(), a.size());
-}
-
-void StrAppend(std::string* dest, const AlphaNum& a, const AlphaNum& b) {
-  ASSERT_NO_OVERLAP(*dest, a);
-  ASSERT_NO_OVERLAP(*dest, b);
-  std::string::size_type old_size = dest->size();
-  strings_internal::STLStringResizeUninitialized(
-      dest, old_size + a.size() + b.size());
-  char* const begin = &(*dest)[0];
-  char* out = begin + old_size;
-  out = Append(out, a);
-  out = Append(out, b);
-  assert(out == begin + dest->size());
-}
-
-void StrAppend(std::string* dest, const AlphaNum& a, const AlphaNum& b,
-               const AlphaNum& c) {
-  ASSERT_NO_OVERLAP(*dest, a);
-  ASSERT_NO_OVERLAP(*dest, b);
-  ASSERT_NO_OVERLAP(*dest, c);
-  std::string::size_type old_size = dest->size();
-  strings_internal::STLStringResizeUninitialized(
-      dest, old_size + a.size() + b.size() + c.size());
-  char* const begin = &(*dest)[0];
-  char* out = begin + old_size;
-  out = Append(out, a);
-  out = Append(out, b);
-  out = Append(out, c);
-  assert(out == begin + dest->size());
-}
-
-void StrAppend(std::string* dest, const AlphaNum& a, const AlphaNum& b,
-               const AlphaNum& c, const AlphaNum& d) {
-  ASSERT_NO_OVERLAP(*dest, a);
-  ASSERT_NO_OVERLAP(*dest, b);
-  ASSERT_NO_OVERLAP(*dest, c);
-  ASSERT_NO_OVERLAP(*dest, d);
-  std::string::size_type old_size = dest->size();
-  strings_internal::STLStringResizeUninitialized(
-      dest, old_size + a.size() + b.size() + c.size() + d.size());
-  char* const begin = &(*dest)[0];
-  char* out = begin + old_size;
-  out = Append(out, a);
-  out = Append(out, b);
-  out = Append(out, c);
-  out = Append(out, d);
-  assert(out == begin + dest->size());
-}
-
-ABSL_NAMESPACE_END
-}  // namespace absl