Linux: Use upstream google-breakpad instead of our fork....

breakpad/linux/minidump_file_writer.cc

Index: breakpad/linux/minidump_file_writer.cc
===================================================================
--- breakpad/linux/minidump_file_writer.cc	(revision 32601)
+++ breakpad/linux/minidump_file_writer.cc	(working copy)
@@ -1,254 +0,0 @@
-// Copyright (c) 2006, 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.
-
-// minidump_file_writer.cc: Minidump file writer implementation.
-//
-// See minidump_file_writer.h for documentation.
-
-#include <fcntl.h>
-#include <limits.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "breakpad/linux/linux_syscall_support.h"
-#include "breakpad/linux/linux_libc_support.h"
-#include "client/minidump_file_writer-inl.h"
-#include "common/string_conversion.h"
-
-namespace google_breakpad {
-
-const MDRVA MinidumpFileWriter::kInvalidMDRVA = static_cast<MDRVA>(-1);
-
-MinidumpFileWriter::MinidumpFileWriter() : file_(-1), position_(0), size_(0) {
-}
-
-MinidumpFileWriter::~MinidumpFileWriter() {
-  Close();
-}
-
-bool MinidumpFileWriter::Open(const char *path) {
-  assert(file_ == -1);
-  file_ = sys_open(path, O_WRONLY | O_CREAT | O_EXCL, 0600);
-
-  return file_ != -1;
-}
-
-bool MinidumpFileWriter::Close() {
-  bool result = true;
-
-  if (file_ != -1) {
-    ftruncate(file_, position_);
-    result = (sys_close(file_) == 0);
-    file_ = -1;
-  }
-
-  return result;
-}
-
-bool MinidumpFileWriter::CopyStringToMDString(const wchar_t *str,
-                                              unsigned int length,
-                                              TypedMDRVA<MDString> *mdstring) {
-  bool result = true;
-  if (sizeof(wchar_t) == sizeof(u_int16_t)) {
-    // Shortcut if wchar_t is the same size as MDString's buffer
-    result = mdstring->Copy(str, mdstring->get()->length);
-  } else {
-    u_int16_t out[2];
-    int out_idx = 0;
-    
-    // Copy the string character by character
-    while (length && result) {
-      UTF32ToUTF16Char(*str, out);
-      if (!out[0])
-        return false;
-      
-      // Process one character at a time
-      --length;
-      ++str;
-      
-      // Append the one or two UTF-16 characters.  The first one will be non-
-      // zero, but the second one may be zero, depending on the conversion from
-      // UTF-32.
-      int out_count = out[1] ? 2 : 1;
-      int out_size = sizeof(u_int16_t) * out_count;
-      result = mdstring->CopyIndexAfterObject(out_idx, out, out_size);
-      out_idx += out_count;
-    }
-  }
-  return result;
-}
-
-bool MinidumpFileWriter::CopyStringToMDString(const char *str,
-                                              unsigned int length,
-                                              TypedMDRVA<MDString> *mdstring) {
-  bool result = true;
-  u_int16_t out[2];
-  int out_idx = 0;
-
-  // Copy the string character by character
-  while (length && result) {
-    int conversion_count = UTF8ToUTF16Char(str, length, out);
-    if (!conversion_count)
-      return false;
-    
-    // Move the pointer along based on the nubmer of converted characters
-    length -= conversion_count;
-    str += conversion_count;
-    
-    // Append the one or two UTF-16 characters
-    int out_count = out[1] ? 2 : 1;
-    int out_size = sizeof(u_int16_t) * out_count;
-    result = mdstring->CopyIndexAfterObject(out_idx, out, out_size);
-    out_idx += out_count;
-  }
-  return result;
-}
-
-template <typename CharType>
-bool MinidumpFileWriter::WriteStringCore(const CharType *str,
-                                         unsigned int length,
-                                         MDLocationDescriptor *location) {
-  assert(str);
-  assert(location);
-  // Calculate the mdstring length by either limiting to |length| as passed in
-  // or by finding the location of the NULL character.
-  unsigned int mdstring_length = 0;
-  if (!length)
-    length = INT_MAX;
-  for (; mdstring_length < length && str[mdstring_length]; ++mdstring_length)
-    ;
-
-  // Allocate the string buffer
-  TypedMDRVA<MDString> mdstring(this);
-  if (!mdstring.AllocateObjectAndArray(mdstring_length + 1, sizeof(u_int16_t)))
-    return false;
-
-  // Set length excluding the NULL and copy the string
-  mdstring.get()->length = mdstring_length * sizeof(u_int16_t);
-  bool result = CopyStringToMDString(str, mdstring_length, &mdstring);
-
-  // NULL terminate
-  if (result) {
-    u_int16_t ch = 0;
-    result = mdstring.CopyIndexAfterObject(mdstring_length, &ch, sizeof(ch));
-
-    if (result)
-      *location = mdstring.location();
-  }
-
-  return result;
-}
-
-bool MinidumpFileWriter::WriteString(const wchar_t *str, unsigned int length,
-                 MDLocationDescriptor *location) {
-  return WriteStringCore(str, length, location);
-}
-
-bool MinidumpFileWriter::WriteString(const char *str, unsigned int length,
-                 MDLocationDescriptor *location) {
-  return WriteStringCore(str, length, location);
-}
-
-bool MinidumpFileWriter::WriteMemory(const void *src, size_t size,
-                                     MDMemoryDescriptor *output) {
-  assert(src);
-  assert(output);
-  UntypedMDRVA mem(this);
-
-  if (!mem.Allocate(size))
-    return false;
-  if (!mem.Copy(src, mem.size()))
-    return false;
-
-  output->start_of_memory_range = reinterpret_cast<u_int64_t>(src);
-  output->memory = mem.location();
-
-  return true;
-}
-
-MDRVA MinidumpFileWriter::Allocate(size_t size) {
-  assert(size);
-  assert(file_ != -1);
-  size_t aligned_size = (size + 7) & ~7;  // 64-bit alignment
-
-  if (position_ + aligned_size > size_) {
-    size_t growth = aligned_size;
-    size_t minimal_growth = getpagesize();
-
-    // Ensure that the file grows by at least the size of a memory page
-    if (growth < minimal_growth)
-      growth = minimal_growth;
-
-    size_t new_size = size_ + growth;
-    if (ftruncate(file_, new_size) != 0)
-      return kInvalidMDRVA;
-
-    size_ = new_size;
-  }
-
-  MDRVA current_position = position_;
-  position_ += static_cast<MDRVA>(aligned_size);
-
-  return current_position;
-}
-
-bool MinidumpFileWriter::Copy(MDRVA position, const void *src, ssize_t size) {
-  assert(src);
-  assert(size);
-  assert(file_ != -1);
-
-  // Ensure that the data will fit in the allocated space
-  if (size + position > size_)
-    return false;
-
-  // Seek and write the data
-  if (sys_lseek(file_, position, SEEK_SET) == static_cast<off_t>(position)) {
-    if (sys_write(file_, src, size) == size)
-      return true;
-  }
-
-  return false;
-}
-
-bool UntypedMDRVA::Allocate(size_t size) {
-  assert(size_ == 0);
-  size_ = size;
-  position_ = writer_->Allocate(size_);
-  return position_ != MinidumpFileWriter::kInvalidMDRVA;
-}
-
-bool UntypedMDRVA::Copy(MDRVA position, const void *src, size_t size) {
-  assert(src);
-  assert(size);
-  assert(position + size <= position_ + size_);
-  return writer_->Copy(position, src, size);
-}
-
-}  // namespace google_breakpad