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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /toolkit/mozapps/update/updater/win_dirent.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'toolkit/mozapps/update/updater/win_dirent.cpp')
-rw-r--r--toolkit/mozapps/update/updater/win_dirent.cpp78
1 files changed, 78 insertions, 0 deletions
diff --git a/toolkit/mozapps/update/updater/win_dirent.cpp b/toolkit/mozapps/update/updater/win_dirent.cpp
new file mode 100644
index 000000000..b0807ba5e
--- /dev/null
+++ b/toolkit/mozapps/update/updater/win_dirent.cpp
@@ -0,0 +1,78 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "win_dirent.h"
+#include <errno.h>
+#include <string.h>
+
+// This file implements the minimum set of dirent APIs used by updater.cpp on
+// Windows. If updater.cpp is modified to use more of this API, we need to
+// implement those parts here too.
+
+static dirent gDirEnt;
+
+DIR::DIR(const WCHAR* path)
+ : findHandle(INVALID_HANDLE_VALUE)
+{
+ memset(name, 0, sizeof(name));
+ wcsncpy(name, path, sizeof(name)/sizeof(name[0]));
+ wcsncat(name, L"\\*", sizeof(name)/sizeof(name[0]) - wcslen(name) - 1);
+}
+
+DIR::~DIR()
+{
+ if (findHandle != INVALID_HANDLE_VALUE) {
+ FindClose(findHandle);
+ }
+}
+
+dirent::dirent()
+{
+ d_name[0] = L'\0';
+}
+
+DIR*
+opendir(const WCHAR* path)
+{
+ return new DIR(path);
+}
+
+int
+closedir(DIR* dir)
+{
+ delete dir;
+ return 0;
+}
+
+dirent* readdir(DIR* dir)
+{
+ WIN32_FIND_DATAW data;
+ if (dir->findHandle != INVALID_HANDLE_VALUE) {
+ BOOL result = FindNextFileW(dir->findHandle, &data);
+ if (!result) {
+ if (GetLastError() != ERROR_FILE_NOT_FOUND) {
+ errno = ENOENT;
+ }
+ return 0;
+ }
+ } else {
+ // Reading the first directory entry
+ dir->findHandle = FindFirstFileW(dir->name, &data);
+ if (dir->findHandle == INVALID_HANDLE_VALUE) {
+ if (GetLastError() == ERROR_FILE_NOT_FOUND) {
+ errno = ENOENT;
+ } else {
+ errno = EBADF;
+ }
+ return 0;
+ }
+ }
+ memset(gDirEnt.d_name, 0, sizeof(gDirEnt.d_name));
+ wcsncpy(gDirEnt.d_name, data.cFileName,
+ sizeof(gDirEnt.d_name)/sizeof(gDirEnt.d_name[0]));
+ return &gDirEnt;
+}
+