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-rw-r--r--breakpad/linux/minidump_file_writer.cc254
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diff --git a/breakpad/linux/minidump_file_writer.cc b/breakpad/linux/minidump_file_writer.cc
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--- a/breakpad/linux/minidump_file_writer.cc
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@@ -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
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