| Index: breakpad/linux/directory_reader.h
|
| ===================================================================
|
| --- breakpad/linux/directory_reader.h (revision 32662)
|
| +++ breakpad/linux/directory_reader.h (working copy)
|
| @@ -1,105 +0,0 @@
|
| -// Copyright (c) 2009, 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.
|
| -
|
| -#ifndef CLIENT_LINUX_HANDLE_DIRECTORY_READER_H_
|
| -#define CLIENT_LINUX_HANDLE_DIRECTORY_READER_H_
|
| -
|
| -#include <stdint.h>
|
| -#include <unistd.h>
|
| -#include <limits.h>
|
| -#include <assert.h>
|
| -#include <errno.h>
|
| -#include <string.h>
|
| -
|
| -#include "breakpad/linux/linux_syscall_support.h"
|
| -
|
| -namespace google_breakpad {
|
| -
|
| -// A class for enumerating a directory without using diropen/readdir or other
|
| -// functions which may allocate memory.
|
| -class DirectoryReader {
|
| - public:
|
| - DirectoryReader(int fd)
|
| - : fd_(fd),
|
| - buf_used_(0) {
|
| - }
|
| -
|
| - // Return the next entry from the directory
|
| - // name: (output) the NUL terminated entry name
|
| - //
|
| - // Returns true iff successful (false on EOF).
|
| - //
|
| - // After calling this, one must call |PopEntry| otherwise you'll get the same
|
| - // entry over and over.
|
| - bool GetNextEntry(const char** name) {
|
| - struct kernel_dirent* const dent =
|
| - reinterpret_cast<kernel_dirent*>(buf_);
|
| -
|
| - if (buf_used_ == 0) {
|
| - // need to read more entries.
|
| - const int n = sys_getdents(fd_, dent, sizeof(buf_));
|
| - if (n < 0) {
|
| - return false;
|
| - } else if (n == 0) {
|
| - hit_eof_ = true;
|
| - } else {
|
| - buf_used_ += n;
|
| - }
|
| - }
|
| -
|
| - if (buf_used_ == 0 && hit_eof_)
|
| - return false;
|
| -
|
| - assert(buf_used_ > 0);
|
| -
|
| - *name = dent->d_name;
|
| - return true;
|
| - }
|
| -
|
| - void PopEntry() {
|
| - if (!buf_used_)
|
| - return;
|
| -
|
| - const struct kernel_dirent* const dent =
|
| - reinterpret_cast<kernel_dirent*>(buf_);
|
| -
|
| - buf_used_ -= dent->d_reclen;
|
| - memmove(buf_, buf_ + dent->d_reclen, buf_used_);
|
| - }
|
| -
|
| - private:
|
| - const int fd_;
|
| - bool hit_eof_;
|
| - unsigned buf_used_;
|
| - uint8_t buf_[sizeof(struct kernel_dirent) + NAME_MAX + 1];
|
| -};
|
| -
|
| -} // namespace google_breakpad
|
| -
|
| -#endif // CLIENT_LINUX_HANDLE_DIRECTORY_READER_H_
|
|
|