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Update LLVM to latest upstream. (#1080)

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Also change header guards to WPI header guards.
Remove StringRef::c_str() customization, replacing the handful of uses with Twine or SmallString.
TCPStream: Include errno.h and make Windows includes lowercase for consistency.

Upstream LLVM version: eb4186cca7924fb1706357545311a2fa3de40c59
This commit is contained in:
Peter Johnson
2018-05-22 23:31:08 -07:00
committed by GitHub
parent 680aabbe7c
commit a2ecb1027a
62 changed files with 5956 additions and 2522 deletions
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31
wpiutil/src/main/native/cpp/llvm/Unix/Path.inc
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@@ -145,21 +145,20 @@ static std::error_code fillStatus(int StatRet, const struct stat &Status,
else if (S_ISLNK(Status.st_mode))
Type = file_type::symlink_file;
perms Perms = static_cast<perms>(Status.st_mode);
Result =
file_status(Type, Perms, Status.st_dev, Status.st_ino, Status.st_atime,
Status.st_mtime, Status.st_uid, Status.st_gid,
Status.st_size);
perms Perms = static_cast<perms>(Status.st_mode) & all_perms;
Result = file_status(Type, Perms, Status.st_dev, Status.st_nlink,
Status.st_ino, Status.st_atime, Status.st_mtime,
Status.st_uid, Status.st_gid, Status.st_size);
return std::error_code();
}
std::error_code status(const Twine &Path, file_status &Result) {
std::error_code status(const Twine &Path, file_status &Result, bool Follow) {
SmallString<128> PathStorage;
StringRef P = Path.toNullTerminatedStringRef(PathStorage);
struct stat Status;
int StatRet = ::lstat(P.begin(), &Status);
int StatRet = (Follow ? ::stat : ::lstat)(P.begin(), &Status);
return fillStatus(StatRet, Status, Result);
}
@@ -170,7 +169,8 @@ std::error_code status(int FD, file_status &Result) {
}
std::error_code detail::directory_iterator_construct(detail::DirIterState &it,
StringRef path){
StringRef path,
bool follow_symlinks) {
SmallString<128> path_null(path);
DIR *directory = ::opendir(path_null.c_str());
if (!directory)
@@ -179,7 +179,7 @@ std::error_code detail::directory_iterator_construct(detail::DirIterState &it,
it.IterationHandle = reinterpret_cast<intptr_t>(directory);
// Add something for replace_filename to replace.
path::append(path_null, ".");
it.CurrentEntry = directory_entry(path_null.str());
it.CurrentEntry = directory_entry(path_null.str(), follow_symlinks);
return directory_iterator_increment(it);
}
@@ -208,6 +208,13 @@ std::error_code detail::directory_iterator_increment(detail::DirIterState &it) {
return std::error_code();
}
ErrorOr<basic_file_status> directory_entry::status() const {
file_status s;
if (auto EC = fs::status(Path, s, FollowSymlinks))
return EC;
return s;
}
#if !defined(F_GETPATH)
static bool hasProcSelfFD() {
// If we have a /proc filesystem mounted, we can quickly establish the
@@ -260,6 +267,10 @@ std::error_code openFileForWrite(const Twine &Name, int &ResultFD,
int OpenFlags = O_CREAT;
#ifdef O_CLOEXEC
OpenFlags |= O_CLOEXEC;
#endif
if (Flags & F_RW)
OpenFlags |= O_RDWR;
else
@@ -267,7 +278,7 @@ std::error_code openFileForWrite(const Twine &Name, int &ResultFD,
if (Flags & F_Append)
OpenFlags |= O_APPEND;
else
else if (!(Flags & F_NoTrunc))
OpenFlags |= O_TRUNC;
if (Flags & F_Excl)