toolkit/mozapps/update/updater/win_dirent.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/mozapps/update/updater/win_dirent.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,78 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* vim:set ts=2 sw=2 sts=2 et cindent: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +#include "win_dirent.h"
    1.11 +#include <errno.h>
    1.12 +#include <string.h>
    1.13 +
    1.14 +// This file implements the minimum set of dirent APIs used by updater.cpp on
    1.15 +// Windows.  If updater.cpp is modified to use more of this API, we need to
    1.16 +// implement those parts here too.
    1.17 +
    1.18 +static dirent gDirEnt;
    1.19 +
    1.20 +DIR::DIR(const WCHAR* path)
    1.21 +  : findHandle(INVALID_HANDLE_VALUE)
    1.22 +{
    1.23 +  memset(name, 0, sizeof(name));
    1.24 +  wcsncpy(name, path, sizeof(name)/sizeof(name[0]));
    1.25 +  wcsncat(name, L"\\*", sizeof(name)/sizeof(name[0]) - wcslen(name) - 1);
    1.26 +}
    1.27 +
    1.28 +DIR::~DIR()
    1.29 +{
    1.30 +  if (findHandle != INVALID_HANDLE_VALUE) {
    1.31 +    FindClose(findHandle);
    1.32 +  }
    1.33 +}
    1.34 +
    1.35 +dirent::dirent()
    1.36 +{
    1.37 +  d_name[0] = L'\0';
    1.38 +}
    1.39 +
    1.40 +DIR*
    1.41 +opendir(const WCHAR* path)
    1.42 +{
    1.43 +  return new DIR(path);
    1.44 +}
    1.45 +
    1.46 +int
    1.47 +closedir(DIR* dir)
    1.48 +{
    1.49 +  delete dir;
    1.50 +  return 0;
    1.51 +}
    1.52 +
    1.53 +dirent* readdir(DIR* dir)
    1.54 +{
    1.55 +  WIN32_FIND_DATAW data;
    1.56 +  if (dir->findHandle != INVALID_HANDLE_VALUE) {
    1.57 +    BOOL result = FindNextFileW(dir->findHandle, &data);
    1.58 +    if (!result) {
    1.59 +      if (GetLastError() != ERROR_FILE_NOT_FOUND) {
    1.60 +        errno = ENOENT;
    1.61 +      }
    1.62 +      return 0;
    1.63 +    }
    1.64 +  } else {
    1.65 +    // Reading the first directory entry
    1.66 +    dir->findHandle = FindFirstFileW(dir->name, &data);
    1.67 +    if (dir->findHandle == INVALID_HANDLE_VALUE) {
    1.68 +      if (GetLastError() == ERROR_FILE_NOT_FOUND) {
    1.69 +        errno = ENOENT;
    1.70 +      } else {
    1.71 +        errno = EBADF;
    1.72 +      }
    1.73 +      return 0;
    1.74 +    }
    1.75 +  }
    1.76 +  memset(gDirEnt.d_name, 0, sizeof(gDirEnt.d_name));
    1.77 +  wcsncpy(gDirEnt.d_name, data.cFileName,
    1.78 +           sizeof(gDirEnt.d_name)/sizeof(gDirEnt.d_name[0]));
    1.79 +  return &gDirEnt;
    1.80 +}
    1.81 +

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