Ben Konyi
05e43cff92
Reverting temporarily to ensure issues are cleared up for 2.8 release
This reverts commit 99a5117411.
Change-Id: I2ee987d88c6c106882ad027525de25e4af4fbbbd
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/142441
Reviewed-by: Siva Annamalai <asiva@google.com>
68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
#include "bin/exe_utils.h"
|
|
|
|
#include "bin/directory.h"
|
|
#include "bin/file.h"
|
|
#include "bin/platform.h"
|
|
#include "platform/utils.h"
|
|
|
|
namespace dart {
|
|
namespace bin {
|
|
|
|
char* EXEUtils::GetDirectoryPrefixFromExeName() {
|
|
const char* name = nullptr;
|
|
const int kTargetSize = 4096;
|
|
char target[kTargetSize];
|
|
intptr_t target_size =
|
|
Platform::ResolveExecutablePathInto(target, kTargetSize);
|
|
if (target_size > 0 && target_size < kTargetSize - 1) {
|
|
target[target_size] = 0;
|
|
name = target;
|
|
}
|
|
if (name == nullptr) {
|
|
name = Platform::GetExecutableName();
|
|
target_size = strlen(name);
|
|
}
|
|
Namespace* namespc = Namespace::Create(Namespace::Default());
|
|
|
|
// We might run into symlinks of symlinks, so make sure we follow the
|
|
// links all the way. See https://github.com/dart-lang/sdk/issues/41057 for
|
|
// an example where this happens with brew on MacOS.
|
|
bool followedSymlink = false;
|
|
while (File::GetType(namespc, name, false) == File::kIsLink) {
|
|
// Resolve the link without creating Dart scope String.
|
|
name = File::LinkTarget(namespc, name, target, kTargetSize);
|
|
if (name == NULL) {
|
|
return strdup("");
|
|
}
|
|
followedSymlink = true;
|
|
}
|
|
if (followedSymlink) {
|
|
target_size = strlen(name);
|
|
}
|
|
namespc->Release();
|
|
const char* sep = File::PathSeparator();
|
|
const intptr_t sep_length = strlen(sep);
|
|
|
|
for (intptr_t i = target_size - 1; i >= 0; --i) {
|
|
const char* str = name + i;
|
|
if (strncmp(str, sep, sep_length) == 0
|
|
#if defined(HOST_OS_WINDOWS)
|
|
// TODO(aam): GetExecutableName doesn't work reliably on Windows,
|
|
// the code below is a workaround for that (we would be using
|
|
// just single Platform::Separator instead of both slashes if it did).
|
|
|| *str == '/'
|
|
#endif
|
|
) {
|
|
return Utils::StrNDup(name, i + 1);
|
|
}
|
|
}
|
|
return strdup("");
|
|
}
|
|
|
|
} // namespace bin
|
|
} // namespace dart
|