diff options
Diffstat (limited to 'find_java/src/source/utils.cpp')
| -rwxr-xr-x | find_java/src/source/utils.cpp | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/find_java/src/source/utils.cpp b/find_java/src/source/utils.cpp new file mode 100755 index 000000000..e2ce58f16 --- /dev/null +++ b/find_java/src/source/utils.cpp @@ -0,0 +1,202 @@ +/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifdef _WIN32
+
+#include "utils.h"
+
+#define _CRT_SECURE_NO_WARNINGS 1
+
+// Set to true to get some extra debug information
+bool gIsDebug = false;
+// Set to true to output errors to stderr (for a Console app)
+// or to false to output using msg box (for a Windows UI app)
+bool gIsConsole = false;
+
+// Displays a message in an ok+info dialog box.
+void msgBox(const char* text, ...) {
+ CString formatted;
+ va_list ap;
+ va_start(ap, text);
+ formatted.setv(text, ap);
+ va_end(ap);
+
+ MessageBoxA(NULL, formatted.cstr(), "Android SDK Manager", MB_OK | MB_ICONINFORMATION);
+}
+
+// Displays GetLastError prefixed with a description in an error dialog box
+void displayLastError(const char *description, ...) {
+ CString formatted;
+ va_list ap;
+ va_start(ap, description);
+ formatted.setv(description, ap);
+ va_end(ap);
+
+ CString error;
+ error.setLastWin32Error(NULL);
+ formatted.add("\r\n");
+ formatted.add(error.cstr());
+
+ if (gIsConsole) {
+ fprintf(stderr, "%s\n", formatted.cstr());
+ } else {
+ MessageBox(NULL, formatted.cstr(), "Android SDK Manager - Error", MB_OK | MB_ICONERROR);
+ }
+}
+
+// Executes the command line. Does not wait for the program to finish.
+// The return code is from CreateProcess (0 means failure), not the running app.
+int execNoWait(const char *app, const char *params, const char *workDir) {
+ STARTUPINFO startup;
+ PROCESS_INFORMATION pinfo;
+
+ ZeroMemory(&pinfo, sizeof(pinfo));
+
+ ZeroMemory(&startup, sizeof(startup));
+ startup.cb = sizeof(startup);
+ startup.dwFlags = STARTF_USESHOWWINDOW;
+ startup.wShowWindow = SW_SHOWDEFAULT;
+
+ int ret = CreateProcessA(
+ (LPSTR) app, /* program path */
+ (LPSTR) params, /* command-line */
+ NULL, /* process handle is not inheritable */
+ NULL, /* thread handle is not inheritable */
+ TRUE, /* yes, inherit some handles */
+ 0, /* create flags */
+ NULL, /* use parent's environment block */
+ workDir, /* use parent's starting directory */
+ &startup, /* startup info, i.e. std handles */
+ &pinfo);
+
+ if (ret) {
+ CloseHandle(pinfo.hProcess);
+ CloseHandle(pinfo.hThread);
+ }
+
+ return ret;
+}
+
+// Executes command, waits for completion and returns exit code.
+// As indicated in MSDN for CreateProcess, callers should double-quote the program name
+// e.g. cmd="\"c:\program files\myapp.exe\" arg1 arg2";
+int execWait(const char *cmd) {
+ STARTUPINFO startup;
+ PROCESS_INFORMATION pinfo;
+
+ ZeroMemory(&pinfo, sizeof(pinfo));
+
+ ZeroMemory(&startup, sizeof(startup));
+ startup.cb = sizeof(startup);
+ startup.dwFlags = STARTF_USESHOWWINDOW;
+ startup.wShowWindow = SW_HIDE|SW_MINIMIZE;
+
+ int ret = CreateProcessA(
+ NULL, /* program path */
+ (LPSTR) cmd, /* command-line */
+ NULL, /* process handle is not inheritable */
+ NULL, /* thread handle is not inheritable */
+ TRUE, /* yes, inherit some handles */
+ CREATE_NO_WINDOW, /* we don't want a console */
+ NULL, /* use parent's environment block */
+ NULL, /* use parent's starting directory */
+ &startup, /* startup info, i.e. std handles */
+ &pinfo);
+
+ int result = -1;
+ if (ret) {
+ WaitForSingleObject(pinfo.hProcess, INFINITE);
+
+ DWORD exitCode;
+ if (GetExitCodeProcess(pinfo.hProcess, &exitCode)) {
+ // this should not return STILL_ACTIVE (259)
+ result = exitCode;
+ }
+ CloseHandle(pinfo.hProcess);
+ CloseHandle(pinfo.hThread);
+ }
+
+ return result;
+}
+
+bool getModuleDir(CPath *outDir) {
+ CHAR programDir[MAX_PATH];
+ int ret = GetModuleFileName(NULL, programDir, sizeof(programDir));
+ if (ret != 0) {
+ // Remove the last segment to keep only the directory.
+ int pos = ret - 1;
+ while (pos > 0 && programDir[pos] != '\\') {
+ --pos;
+ }
+ outDir->set(programDir, pos);
+ return true;
+ }
+ return false;
+}
+
+// Disables the FS redirection done by WOW64.
+// Because this runs as a 32-bit app, Windows automagically remaps some
+// folder under the hood (e.g. "Programs Files(x86)" is mapped as "Program Files").
+// This prevents the app from correctly searching for java.exe in these folders.
+// The registry is also remapped. This method disables this redirection.
+// Caller should restore the redirection later by using revertWow64FsRedirection().
+PVOID disableWow64FsRedirection() {
+
+ // The call we want to make is the following:
+ // PVOID oldWow64Value;
+ // Wow64DisableWow64FsRedirection(&oldWow64Value);
+ // However that method may not exist (e.g. on XP non-64 systems) so
+ // we must not call it directly.
+
+ PVOID oldWow64Value = 0;
+
+ HMODULE hmod = LoadLibrary("kernel32.dll");
+ if (hmod != NULL) {
+ FARPROC proc = GetProcAddress(hmod, "Wow64DisableWow64FsRedirection");
+ if (proc != NULL) {
+ typedef BOOL (WINAPI *disableWow64FuncType)(PVOID *);
+ disableWow64FuncType funcPtr = (disableWow64FuncType)proc;
+ funcPtr(&oldWow64Value);
+ }
+
+ FreeLibrary(hmod);
+ }
+
+ return oldWow64Value;
+}
+
+// Reverts the redirection disabled in disableWow64FsRedirection.
+void revertWow64FsRedirection(PVOID oldWow64Value) {
+
+ // The call we want to make is the following:
+ // Wow64RevertWow64FsRedirection(oldWow64Value);
+ // However that method may not exist (e.g. on XP non-64 systems) so
+ // we must not call it directly.
+
+ HMODULE hmod = LoadLibrary("kernel32.dll");
+ if (hmod != NULL) {
+ FARPROC proc = GetProcAddress(hmod, "Wow64RevertWow64FsRedirection");
+ if (proc != NULL) {
+ typedef BOOL (WINAPI *revertWow64FuncType)(PVOID);
+ revertWow64FuncType funcPtr = (revertWow64FuncType)proc;
+ funcPtr(oldWow64Value);
+ }
+
+ FreeLibrary(hmod);
+ }
+}
+
+#endif /* _WIN32 */
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