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-rw-r--r--lib/Support/Unix/Memory.inc14
-rw-r--r--lib/Support/Unix/Path.inc22
-rw-r--r--lib/Support/Unix/Process.inc4
-rw-r--r--lib/Support/Unix/Program.inc23
-rw-r--r--lib/Support/Unix/Signals.inc28
-rw-r--r--lib/Support/Unix/TimeValue.inc2
6 files changed, 47 insertions, 46 deletions
diff --git a/lib/Support/Unix/Memory.inc b/lib/Support/Unix/Memory.inc
index 08cd34d532..23b49b75fa 100644
--- a/lib/Support/Unix/Memory.inc
+++ b/lib/Support/Unix/Memory.inc
@@ -121,7 +121,7 @@ Memory::allocateMappedMemory(size_t NumBytes,
Protect, MMFlags, fd, 0);
if (Addr == MAP_FAILED) {
if (NearBlock) //Try again without a near hint
- return allocateMappedMemory(NumBytes, 0, PFlags, EC);
+ return allocateMappedMemory(NumBytes, nullptr, PFlags, EC);
EC = error_code(errno, system_category());
return MemoryBlock();
@@ -139,13 +139,13 @@ Memory::allocateMappedMemory(size_t NumBytes,
error_code
Memory::releaseMappedMemory(MemoryBlock &M) {
- if (M.Address == 0 || M.Size == 0)
+ if (M.Address == nullptr || M.Size == 0)
return error_code::success();
if (0 != ::munmap(M.Address, M.Size))
return error_code(errno, system_category());
- M.Address = 0;
+ M.Address = nullptr;
M.Size = 0;
return error_code::success();
@@ -153,7 +153,7 @@ Memory::releaseMappedMemory(MemoryBlock &M) {
error_code
Memory::protectMappedMemory(const MemoryBlock &M, unsigned Flags) {
- if (M.Address == 0 || M.Size == 0)
+ if (M.Address == nullptr || M.Size == 0)
return error_code::success();
if (!Flags)
@@ -203,7 +203,7 @@ Memory::AllocateRWX(size_t NumBytes, const MemoryBlock* NearBlock,
;
void* start = NearBlock ? (unsigned char*)NearBlock->base() +
- NearBlock->size() : 0;
+ NearBlock->size() : nullptr;
#if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
void *pa = ::mmap(start, PageSize*NumPages, PROT_READ|PROT_EXEC,
@@ -214,7 +214,7 @@ Memory::AllocateRWX(size_t NumBytes, const MemoryBlock* NearBlock,
#endif
if (pa == MAP_FAILED) {
if (NearBlock) //Try again without a near hint
- return AllocateRWX(NumBytes, 0);
+ return AllocateRWX(NumBytes, nullptr);
MakeErrMsg(ErrMsg, "Can't allocate RWX Memory");
return MemoryBlock();
@@ -246,7 +246,7 @@ Memory::AllocateRWX(size_t NumBytes, const MemoryBlock* NearBlock,
}
bool Memory::ReleaseRWX(MemoryBlock &M, std::string *ErrMsg) {
- if (M.Address == 0 || M.Size == 0) return false;
+ if (M.Address == nullptr || M.Size == 0) return false;
if (0 != ::munmap(M.Address, M.Size))
return MakeErrMsg(ErrMsg, "Can't release RWX Memory");
return false;
diff --git a/lib/Support/Unix/Path.inc b/lib/Support/Unix/Path.inc
index 1c91053610..519a016a84 100644
--- a/lib/Support/Unix/Path.inc
+++ b/lib/Support/Unix/Path.inc
@@ -89,7 +89,7 @@ namespace {
static error_code TempDir(SmallVectorImpl<char> &result) {
// FIXME: Don't use TMPDIR if program is SUID or SGID enabled.
- const char *dir = 0;
+ const char *dir = nullptr;
(dir = std::getenv("TMPDIR")) || (dir = std::getenv("TMP")) ||
(dir = std::getenv("TEMP")) || (dir = std::getenv("TEMPDIR")) ||
#ifdef P_tmpdir
@@ -246,7 +246,7 @@ error_code current_path(SmallVectorImpl<char> &result) {
#endif
while (true) {
- if (::getcwd(result.data(), result.capacity()) == 0) {
+ if (::getcwd(result.data(), result.capacity()) == nullptr) {
// See if there was a real error.
if (errno != errc::not_enough_memory)
return error_code(errno, system_category());
@@ -494,7 +494,7 @@ error_code mapped_file_region::init(int FD, bool CloseFD, uint64_t Offset) {
#ifdef MAP_FILE
flags |= MAP_FILE;
#endif
- Mapping = ::mmap(0, Size, prot, flags, FD, Offset);
+ Mapping = ::mmap(nullptr, Size, prot, flags, FD, Offset);
if (Mapping == MAP_FAILED)
return error_code(errno, system_category());
return error_code::success();
@@ -525,7 +525,7 @@ mapped_file_region::mapped_file_region(const Twine &path,
ec = init(ofd, true, offset);
if (ec)
- Mapping = 0;
+ Mapping = nullptr;
}
mapped_file_region::mapped_file_region(int fd,
@@ -545,7 +545,7 @@ mapped_file_region::mapped_file_region(int fd,
ec = init(fd, closefd, offset);
if (ec)
- Mapping = 0;
+ Mapping = nullptr;
}
mapped_file_region::~mapped_file_region() {
@@ -555,7 +555,7 @@ mapped_file_region::~mapped_file_region() {
mapped_file_region::mapped_file_region(mapped_file_region &&other)
: Mode(other.Mode), Size(other.Size), Mapping(other.Mapping) {
- other.Mapping = 0;
+ other.Mapping = nullptr;
}
mapped_file_region::mapmode mapped_file_region::flags() const {
@@ -587,7 +587,7 @@ error_code detail::directory_iterator_construct(detail::DirIterState &it,
StringRef path){
SmallString<128> path_null(path);
DIR *directory = ::opendir(path_null.c_str());
- if (directory == 0)
+ if (!directory)
return error_code(errno, system_category());
it.IterationHandle = reinterpret_cast<intptr_t>(directory);
@@ -608,9 +608,9 @@ error_code detail::directory_iterator_destruct(detail::DirIterState &it) {
error_code detail::directory_iterator_increment(detail::DirIterState &it) {
errno = 0;
dirent *cur_dir = ::readdir(reinterpret_cast<DIR *>(it.IterationHandle));
- if (cur_dir == 0 && errno != 0) {
+ if (cur_dir == nullptr && errno != 0) {
return error_code(errno, system_category());
- } else if (cur_dir != 0) {
+ } else if (cur_dir != nullptr) {
StringRef name(cur_dir->d_name, NAMLEN(cur_dir));
if ((name.size() == 1 && name[0] == '.') ||
(name.size() == 2 && name[0] == '.' && name[1] == '.'))
@@ -630,7 +630,7 @@ error_code get_magic(const Twine &path, uint32_t len,
// Open path.
std::FILE *file = std::fopen(Path.data(), "rb");
- if (file == 0)
+ if (!file)
return error_code(errno, system_category());
// Reserve storage.
@@ -667,7 +667,7 @@ error_code map_file_pages(const Twine &path, off_t file_offset, size_t size,
#ifdef MAP_FILE
flags |= MAP_FILE;
#endif
- result = ::mmap(0, size, prot, flags, fd, file_offset);
+ result = ::mmap(nullptr, size, prot, flags, fd, file_offset);
if (result == MAP_FAILED) {
return error_code(errno, system_category());
}
diff --git a/lib/Support/Unix/Process.inc b/lib/Support/Unix/Process.inc
index 9fb4356ddc..8faa638ec8 100644
--- a/lib/Support/Unix/Process.inc
+++ b/lib/Support/Unix/Process.inc
@@ -270,7 +270,7 @@ static bool terminalHasColors(int fd) {
MutexGuard G(M);
int errret = 0;
- if (setupterm((char *)0, fd, &errret) != 0)
+ if (setupterm((char *)nullptr, fd, &errret) != 0)
// Regardless of why, if we can't get terminfo, we shouldn't try to print
// colors.
return false;
@@ -292,7 +292,7 @@ static bool terminalHasColors(int fd) {
// Now extract the structure allocated by setupterm and free its memory
// through a really silly dance.
- struct term *termp = set_curterm((struct term *)0);
+ struct term *termp = set_curterm((struct term *)nullptr);
(void)del_curterm(termp); // Drop any errors here.
// Return true if we found a color capabilities for the current terminal.
diff --git a/lib/Support/Unix/Program.inc b/lib/Support/Unix/Program.inc
index b4df928489..1225a9c042 100644
--- a/lib/Support/Unix/Program.inc
+++ b/lib/Support/Unix/Program.inc
@@ -70,7 +70,7 @@ sys::FindProgramByName(const std::string& progName) {
// Get the path. If its empty, we can't do anything to find it.
const char *PathStr = getenv("PATH");
- if (PathStr == 0)
+ if (!PathStr)
return "";
// Now we have a colon separated list of directories to search; try them.
@@ -99,7 +99,7 @@ sys::FindProgramByName(const std::string& progName) {
}
static bool RedirectIO(const StringRef *Path, int FD, std::string* ErrMsg) {
- if (Path == 0) // Noop
+ if (!Path) // Noop
return false;
std::string File;
if (Path->empty())
@@ -129,7 +129,7 @@ static bool RedirectIO(const StringRef *Path, int FD, std::string* ErrMsg) {
#ifdef HAVE_POSIX_SPAWN
static bool RedirectIO_PS(const std::string *Path, int FD, std::string *ErrMsg,
posix_spawn_file_actions_t *FileActions) {
- if (Path == 0) // Noop
+ if (!Path) // Noop
return false;
const char *File;
if (Path->empty())
@@ -195,7 +195,7 @@ static bool Execute(ProcessInfo &PI, StringRef Program, const char **args,
#ifdef HAVE_POSIX_SPAWN
if (memoryLimit == 0) {
posix_spawn_file_actions_t FileActionsStore;
- posix_spawn_file_actions_t *FileActions = 0;
+ posix_spawn_file_actions_t *FileActions = nullptr;
// If we call posix_spawn_file_actions_addopen we have to make sure the
// c strings we pass to it stay alive until the call to posix_spawn,
@@ -203,7 +203,7 @@ static bool Execute(ProcessInfo &PI, StringRef Program, const char **args,
std::string RedirectsStorage[3];
if (redirects) {
- std::string *RedirectsStr[3] = {0, 0, 0};
+ std::string *RedirectsStr[3] = {nullptr, nullptr, nullptr};
for (int I = 0; I < 3; ++I) {
if (redirects[I]) {
RedirectsStorage[I] = *redirects[I];
@@ -218,7 +218,7 @@ static bool Execute(ProcessInfo &PI, StringRef Program, const char **args,
if (RedirectIO_PS(RedirectsStr[0], 0, ErrMsg, FileActions) ||
RedirectIO_PS(RedirectsStr[1], 1, ErrMsg, FileActions))
return false;
- if (redirects[1] == 0 || redirects[2] == 0 ||
+ if (redirects[1] == nullptr || redirects[2] == nullptr ||
*redirects[1] != *redirects[2]) {
// Just redirect stderr
if (RedirectIO_PS(RedirectsStr[2], 2, ErrMsg, FileActions))
@@ -242,8 +242,9 @@ static bool Execute(ProcessInfo &PI, StringRef Program, const char **args,
// Explicitly initialized to prevent what appears to be a valgrind false
// positive.
pid_t PID = 0;
- int Err = posix_spawn(&PID, Program.str().c_str(), FileActions, /*attrp*/0,
- const_cast<char **>(args), const_cast<char **>(envp));
+ int Err = posix_spawn(&PID, Program.str().c_str(), FileActions,
+ /*attrp*/nullptr, const_cast<char **>(args),
+ const_cast<char **>(envp));
if (FileActions)
posix_spawn_file_actions_destroy(FileActions);
@@ -294,7 +295,7 @@ static bool Execute(ProcessInfo &PI, StringRef Program, const char **args,
// Execute!
std::string PathStr = Program;
- if (envp != 0)
+ if (envp != nullptr)
execve(PathStr.c_str(),
const_cast<char **>(args),
const_cast<char **>(envp));
@@ -360,7 +361,7 @@ ProcessInfo sys::Wait(const ProcessInfo &PI, unsigned SecondsToWait,
// Turn off the alarm and restore the signal handler
alarm(0);
- sigaction(SIGALRM, &Old, 0);
+ sigaction(SIGALRM, &Old, nullptr);
// Wait for child to die
if (wait(&status) != ChildPid)
@@ -381,7 +382,7 @@ ProcessInfo sys::Wait(const ProcessInfo &PI, unsigned SecondsToWait,
// We exited normally without timeout, so turn off the timer.
if (SecondsToWait && !WaitUntilTerminates) {
alarm(0);
- sigaction(SIGALRM, &Old, 0);
+ sigaction(SIGALRM, &Old, nullptr);
}
// Return the proper exit status. Detect error conditions
diff --git a/lib/Support/Unix/Signals.inc b/lib/Support/Unix/Signals.inc
index ef62d52a34..1841fea25e 100644
--- a/lib/Support/Unix/Signals.inc
+++ b/lib/Support/Unix/Signals.inc
@@ -44,7 +44,7 @@ static RETSIGTYPE SignalHandler(int Sig); // defined below.
static SmartMutex<true> SignalsMutex;
/// InterruptFunction - The function to call if ctrl-c is pressed.
-static void (*InterruptFunction)() = 0;
+static void (*InterruptFunction)() = nullptr;
static std::vector<std::string> FilesToRemove;
static std::vector<std::pair<void(*)(void*), void*> > CallBacksToRun;
@@ -113,7 +113,7 @@ static void UnregisterHandlers() {
// Restore all of the signal handlers to how they were before we showed up.
for (unsigned i = 0, e = NumRegisteredSignals; i != e; ++i)
sigaction(RegisteredSignalInfo[i].SigNo,
- &RegisteredSignalInfo[i].SA, 0);
+ &RegisteredSignalInfo[i].SA, nullptr);
NumRegisteredSignals = 0;
}
@@ -160,7 +160,7 @@ static RETSIGTYPE SignalHandler(int Sig) {
// Unmask all potentially blocked kill signals.
sigset_t SigMask;
sigfillset(&SigMask);
- sigprocmask(SIG_UNBLOCK, &SigMask, 0);
+ sigprocmask(SIG_UNBLOCK, &SigMask, nullptr);
SignalsMutex.acquire();
RemoveFilesToRemove();
@@ -169,7 +169,7 @@ static RETSIGTYPE SignalHandler(int Sig) {
if (InterruptFunction) {
void (*IF)() = InterruptFunction;
SignalsMutex.release();
- InterruptFunction = 0;
+ InterruptFunction = nullptr;
IF(); // run the interrupt function.
return;
}
@@ -212,7 +212,7 @@ void llvm::sys::SetInterruptFunction(void (*IF)()) {
bool llvm::sys::RemoveFileOnSignal(StringRef Filename,
std::string* ErrMsg) {
SignalsMutex.acquire();
- std::string *OldPtr = FilesToRemove.empty() ? 0 : &FilesToRemove[0];
+ std::string *OldPtr = FilesToRemove.empty() ? nullptr : &FilesToRemove[0];
FilesToRemove.push_back(Filename);
// We want to call 'c_str()' on every std::string in this vector so that if
@@ -279,8 +279,8 @@ void llvm::sys::PrintStackTrace(FILE *FD) {
const char* name = strrchr(dlinfo.dli_fname, '/');
int nwidth;
- if (name == NULL) nwidth = strlen(dlinfo.dli_fname);
- else nwidth = strlen(name) - 1;
+ if (!name) nwidth = strlen(dlinfo.dli_fname);
+ else nwidth = strlen(name) - 1;
if (nwidth > width) width = nwidth;
}
@@ -292,22 +292,22 @@ void llvm::sys::PrintStackTrace(FILE *FD) {
fprintf(FD, "%-2d", i);
const char* name = strrchr(dlinfo.dli_fname, '/');
- if (name == NULL) fprintf(FD, " %-*s", width, dlinfo.dli_fname);
- else fprintf(FD, " %-*s", width, name+1);
+ if (!name) fprintf(FD, " %-*s", width, dlinfo.dli_fname);
+ else fprintf(FD, " %-*s", width, name+1);
fprintf(FD, " %#0*lx",
(int)(sizeof(void*) * 2) + 2, (unsigned long)StackTrace[i]);
- if (dlinfo.dli_sname != NULL) {
+ if (dlinfo.dli_sname != nullptr) {
fputc(' ', FD);
# if HAVE_CXXABI_H
int res;
- char* d = abi::__cxa_demangle(dlinfo.dli_sname, NULL, NULL, &res);
+ char* d = abi::__cxa_demangle(dlinfo.dli_sname, nullptr, nullptr, &res);
# else
char* d = NULL;
# endif
- if (d == NULL) fputs(dlinfo.dli_sname, FD);
- else fputs(d, FD);
+ if (!d) fputs(dlinfo.dli_sname, FD);
+ else fputs(d, FD);
free(d);
// FIXME: When we move to C++11, use %t length modifier. It's not in
@@ -331,7 +331,7 @@ static void PrintStackTraceSignalHandler(void *) {
/// PrintStackTraceOnErrorSignal - When an error signal (such as SIGABRT or
/// SIGSEGV) is delivered to the process, print a stack trace and then exit.
void llvm::sys::PrintStackTraceOnErrorSignal() {
- AddSignalHandler(PrintStackTraceSignalHandler, 0);
+ AddSignalHandler(PrintStackTraceSignalHandler, nullptr);
#if defined(__APPLE__) && defined(ENABLE_CRASH_OVERRIDES)
// Environment variable to disable any kind of crash dialog.
diff --git a/lib/Support/Unix/TimeValue.inc b/lib/Support/Unix/TimeValue.inc
index 58c7ba3094..7d4acf7bf6 100644
--- a/lib/Support/Unix/TimeValue.inc
+++ b/lib/Support/Unix/TimeValue.inc
@@ -36,7 +36,7 @@ std::string TimeValue::str() const {
TimeValue TimeValue::now() {
struct timeval the_time;
timerclear(&the_time);
- if (0 != ::gettimeofday(&the_time,0)) {
+ if (0 != ::gettimeofday(&the_time,nullptr)) {
// This is *really* unlikely to occur because the only gettimeofday
// errors concern the timezone parameter which we're passing in as 0.
// In the unlikely case it does happen, just return MinTime, no error
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-23 09:36:31 +0000