//
//===----------------------------------------------------------------------===//
-#include "Windows.h"
-#include "llvm/ADT/OwningPtr.h"
+#include "WindowsSupport.h"
#include "llvm/Support/FileSystem.h"
#include <cstdio>
#include <fcntl.h>
namespace llvm {
using namespace sys;
-ProcessInfo::ProcessInfo() : Pid(0), ProcessHandle(0), ReturnCode(0) {}
+ProcessInfo::ProcessInfo() : ProcessHandle(0), Pid(0), ReturnCode(0) {}
// This function just uses the PATH environment variable to find the program.
std::string sys::FindProgramByName(const std::string &progName) {
// At this point, the file name is valid and does not contain slashes.
// Let Windows search for it.
- std::string buffer;
- buffer.resize(MAX_PATH);
- char *dummy = NULL;
- DWORD len = SearchPath(NULL, progName.c_str(), ".exe", MAX_PATH,
- &buffer[0], &dummy);
-
- // See if it wasn't found.
- if (len == 0)
+ SmallVector<wchar_t, MAX_PATH> progNameUnicode;
+ if (windows::UTF8ToUTF16(progName, progNameUnicode))
return "";
- // See if we got the entire path.
- if (len < MAX_PATH)
- return buffer;
+ SmallVector<wchar_t, MAX_PATH> buffer;
+ DWORD len = MAX_PATH;
+ do {
+ buffer.reserve(len);
+ len = ::SearchPathW(NULL, progNameUnicode.data(), L".exe",
+ buffer.capacity(), buffer.data(), NULL);
- // Buffer was too small; grow and retry.
- while (true) {
- buffer.resize(len+1);
- DWORD len2 = SearchPath(NULL, progName.c_str(), ".exe", len+1, &buffer[0], &dummy);
-
- // It is unlikely the search failed, but it's always possible some file
- // was added or removed since the last search, so be paranoid...
- if (len2 == 0)
+ // See if it wasn't found.
+ if (len == 0)
return "";
- else if (len2 <= len)
- return buffer;
- len = len2;
- }
+ // Buffer was too small; grow and retry.
+ } while (len > buffer.capacity());
+
+ buffer.set_size(len);
+ SmallVector<char, MAX_PATH> result;
+ if (windows::UTF16ToUTF8(buffer.begin(), buffer.size(), result))
+ return "";
+
+ return std::string(result.data(), result.size());
}
static HANDLE RedirectIO(const StringRef *path, int fd, std::string* ErrMsg) {
HANDLE h;
if (path == 0) {
- DuplicateHandle(GetCurrentProcess(), (HANDLE)_get_osfhandle(fd),
- GetCurrentProcess(), &h,
- 0, TRUE, DUPLICATE_SAME_ACCESS);
+ if (!DuplicateHandle(GetCurrentProcess(), (HANDLE)_get_osfhandle(fd),
+ GetCurrentProcess(), &h,
+ 0, TRUE, DUPLICATE_SAME_ACCESS))
+ return INVALID_HANDLE_VALUE;
return h;
}
sa.lpSecurityDescriptor = 0;
sa.bInheritHandle = TRUE;
- h = CreateFile(fname.c_str(), fd ? GENERIC_WRITE : GENERIC_READ,
- FILE_SHARE_READ, &sa, fd == 0 ? OPEN_EXISTING : CREATE_ALWAYS,
- FILE_ATTRIBUTE_NORMAL, NULL);
+ SmallVector<wchar_t, 128> fnameUnicode;
+ if (windows::UTF8ToUTF16(fname, fnameUnicode))
+ return INVALID_HANDLE_VALUE;
+
+ h = CreateFileW(fnameUnicode.data(), fd ? GENERIC_WRITE : GENERIC_READ,
+ FILE_SHARE_READ, &sa, fd == 0 ? OPEN_EXISTING : CREATE_ALWAYS,
+ FILE_ATTRIBUTE_NORMAL, NULL);
if (h == INVALID_HANDLE_VALUE) {
MakeErrMsg(ErrMsg, std::string(fname) + ": Can't open file for " +
(fd ? "input: " : "output: "));
}
// Now build the command line.
- OwningArrayPtr<char> command(new char[len+1]);
+ std::unique_ptr<char[]> command(new char[len+1]);
char *p = command.get();
for (unsigned i = 0; args[i]; i++) {
*p = 0;
// The pointer to the environment block for the new process.
- OwningArrayPtr<char> envblock;
+ std::vector<wchar_t> EnvBlock;
if (envp) {
// An environment block consists of a null-terminated block of
// null-terminated strings. Convert the array of environment variables to
// an environment block by concatenating them.
+ for (unsigned i = 0; envp[i]; ++i) {
+ SmallVector<wchar_t, MAX_PATH> EnvString;
+ if (error_code ec = windows::UTF8ToUTF16(envp[i], EnvString)) {
+ SetLastError(ec.value());
+ MakeErrMsg(ErrMsg, "Unable to convert environment variable to UTF-16");
+ return false;
+ }
- // First, determine the length of the environment block.
- len = 0;
- for (unsigned i = 0; envp[i]; i++)
- len += strlen(envp[i]) + 1;
-
- // Now build the environment block.
- envblock.reset(new char[len+1]);
- p = envblock.get();
-
- for (unsigned i = 0; envp[i]; i++) {
- const char *ev = envp[i];
- size_t len = strlen(ev) + 1;
- memcpy(p, ev, len);
- p += len;
+ EnvBlock.insert(EnvBlock.end(), EnvString.begin(), EnvString.end());
+ EnvBlock.push_back(0);
}
-
- *p = 0;
+ EnvBlock.push_back(0);
}
// Create a child process.
- STARTUPINFO si;
+ STARTUPINFOW si;
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
si.hStdInput = INVALID_HANDLE_VALUE;
if (redirects[1] && redirects[2] && *(redirects[1]) == *(redirects[2])) {
// If stdout and stderr should go to the same place, redirect stderr
// to the handle already open for stdout.
- DuplicateHandle(GetCurrentProcess(), si.hStdOutput,
- GetCurrentProcess(), &si.hStdError,
- 0, TRUE, DUPLICATE_SAME_ACCESS);
+ if (!DuplicateHandle(GetCurrentProcess(), si.hStdOutput,
+ GetCurrentProcess(), &si.hStdError,
+ 0, TRUE, DUPLICATE_SAME_ACCESS)) {
+ CloseHandle(si.hStdInput);
+ CloseHandle(si.hStdOutput);
+ MakeErrMsg(ErrMsg, "can't dup stderr to stdout");
+ return false;
+ }
} else {
// Just redirect stderr
si.hStdError = RedirectIO(redirects[2], 2, ErrMsg);
fflush(stdout);
fflush(stderr);
- std::string ProgramStr = Program;
- BOOL rc = CreateProcess(ProgramStr.c_str(), command.get(), NULL, NULL, TRUE,
- 0, envblock.get(), NULL, &si, &pi);
+
+ SmallVector<wchar_t, MAX_PATH> ProgramUtf16;
+ if (error_code ec = windows::UTF8ToUTF16(Program, ProgramUtf16)) {
+ SetLastError(ec.value());
+ MakeErrMsg(ErrMsg,
+ std::string("Unable to convert application name to UTF-16"));
+ return false;
+ }
+
+ SmallVector<wchar_t, MAX_PATH> CommandUtf16;
+ if (error_code ec = windows::UTF8ToUTF16(command.get(), CommandUtf16)) {
+ SetLastError(ec.value());
+ MakeErrMsg(ErrMsg,
+ std::string("Unable to convert command-line to UTF-16"));
+ return false;
+ }
+
+ BOOL rc = CreateProcessW(ProgramUtf16.data(), CommandUtf16.data(), 0, 0,
+ TRUE, CREATE_UNICODE_ENVIRONMENT,
+ EnvBlock.empty() ? 0 : EnvBlock.data(), 0, &si,
+ &pi);
DWORD err = GetLastError();
// Regardless of whether the process got created or not, we are done with
if (!rc) {
SetLastError(err);
MakeErrMsg(ErrMsg, std::string("Couldn't execute program '") +
- ProgramStr + "'");
+ Program.str() + "'");
return false;
}
// Assign the process to a job if a memory limit is defined.
ScopedJobHandle hJob;
if (memoryLimit != 0) {
- hJob = CreateJobObject(0, 0);
+ hJob = CreateJobObjectW(0, 0);
bool success = false;
if (hJob) {
JOBOBJECT_EXTENDED_LIMIT_INFORMATION jeli;
int result = _setmode( _fileno(stdin), _O_BINARY );
if (result == -1)
return error_code(errno, generic_category());
- return make_error_code(errc::success);
+ return error_code();
}
error_code sys::ChangeStdoutToBinary(){
int result = _setmode( _fileno(stdout), _O_BINARY );
if (result == -1)
return error_code(errno, generic_category());
- return make_error_code(errc::success);
-}
-
-error_code sys::ChangeStderrToBinary(){
- int result = _setmode( _fileno(stderr), _O_BINARY );
- if (result == -1)
- return error_code(errno, generic_category());
- return make_error_code(errc::success);
+ return error_code();
}
bool llvm::sys::argumentsFitWithinSystemLimits(ArrayRef<const char*> Args) {