Update LLVM to r100181.

4 files changed, 31 insertions, 14 deletions

diff --git a/lib/System/Unix/Mutex.inc b/lib/System/Unix/Mutex.inc
index 10e7ecb..4a5e28d 100644
--- a/lib/System/Unix/Mutex.inc
+++ b/lib/System/Unix/Mutex.inc
@@ -29,12 +29,6 @@ MutexImpl::~MutexImpl()
 }
 
 bool 
-MutexImpl::MutexImpl()
-{
-  return true;
-}
-
-bool 
 MutexImpl::release()
 {
   return true;
diff --git a/lib/System/Unix/Path.inc b/lib/System/Unix/Path.inc
index a99720c..52253b3 100644
--- a/lib/System/Unix/Path.inc
+++ b/lib/System/Unix/Path.inc
@@ -454,7 +454,7 @@ Path::canWrite() const {
 
 bool
 Path::isRegularFile() const {
-  // Get the status so we can determine if its a file or directory
+  // Get the status so we can determine if it's a file or directory
   struct stat buf;
 
   if (0 != stat(path.c_str(), &buf))
@@ -736,7 +736,7 @@ Path::createTemporaryFileOnDisk(bool reuse_current, std::string* ErrMsg) {
 
 bool
 Path::eraseFromDisk(bool remove_contents, std::string *ErrStr) const {
-  // Get the status so we can determine if its a file or directory
+  // Get the status so we can determine if it's a file or directory.
   struct stat buf;
   if (0 != stat(path.c_str(), &buf)) {
     MakeErrMsg(ErrStr, path + ": can't get status of file");
diff --git a/lib/System/Win32/Program.inc b/lib/System/Win32/Program.inc
index a3b40d0..16bb28e 100644
--- a/lib/System/Win32/Program.inc
+++ b/lib/System/Win32/Program.inc
@@ -138,6 +138,24 @@ static bool ArgNeedsQuotes(const char *Str) {
   return Str[0] == '\0' || strchr(Str, ' ') != 0;
 }
 
+
+/// ArgLenWithQuotes - Check whether argument needs to be quoted when calling
+/// CreateProcess and returns length of quoted arg with escaped quotes
+static unsigned int ArgLenWithQuotes(const char *Str) {
+  unsigned int len = ArgNeedsQuotes(Str) ? 2 : 0;
+
+  while (*Str != '\0') {
+    if (*Str == '\"')
+      ++len;
+
+    ++len;
+    ++Str;
+  }
+
+  return len;
+}
+
+
 bool
 Program::Execute(const Path& path,
                  const char** args,
@@ -165,9 +183,7 @@ Program::Execute(const Path& path,
   // First, determine the length of the command line.
   unsigned len = 0;
   for (unsigned i = 0; args[i]; i++) {
-    len += strlen(args[i]) + 1;
-    if (ArgNeedsQuotes(args[i]))
-      len += 2;
+    len += ArgLenWithQuotes(args[i]) + 1;
   }
 
   // Now build the command line.
@@ -176,12 +192,18 @@ Program::Execute(const Path& path,
 
   for (unsigned i = 0; args[i]; i++) {
     const char *arg = args[i];
-    size_t len = strlen(arg);
+
     bool needsQuoting = ArgNeedsQuotes(arg);
     if (needsQuoting)
       *p++ = '"';
-    memcpy(p, arg, len);
-    p += len;
+
+    while (*arg != '\0') {
+      if (*arg == '\"')
+        *p++ = '\\';
+
+      *p++ = *arg++;
+    }
+
     if (needsQuoting)
       *p++ = '"';
     *p++ = ' ';
diff --git a/lib/System/Win32/Signals.inc b/lib/System/Win32/Signals.inc
index dba2218..f2b72ca 100644
--- a/lib/System/Win32/Signals.inc
+++ b/lib/System/Win32/Signals.inc
@@ -163,6 +163,7 @@ void sys::AddSignalHandler(void (*FnPtr)(void *), void *Cookie) {
     CallBacksToRun = new std::vector<std::pair<void(*)(void*), void*> >();
   CallBacksToRun->push_back(std::make_pair(FnPtr, Cookie));
   RegisterHandler();
+  LeaveCriticalSection(&CriticalSection);
 }
 }