pull some win32 code into common code, add bitcode identification support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36846 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 31 deletions

diff --git a/lib/System/Unix/Path.inc b/lib/System/Unix/Path.inc
index 53906d99ce..db95e3c216 100644
--- a/lib/System/Unix/Path.inc
+++ b/lib/System/Unix/Path.inc
@@ -267,21 +267,6 @@ Path::getBasename() const {
     return path.substr(slash, dot - slash);
 }
 
-bool Path::hasMagicNumber(const std::string &Magic) const {
-  size_t len = Magic.size();
-  assert(len < 1024 && "Request for magic string too long");
-  char* buf = (char*) alloca(1 + len);
-  int fd = ::open(path.c_str(), O_RDONLY);
-  if (fd < 0)
-    return false;
-  size_t read_len = ::read(fd, buf, len);
-  close(fd);
-  if (len != read_len)
-    return false;
-  buf[len] = '\0';
-  return Magic == buf;
-}
-
 bool Path::getMagicNumber(std::string& Magic, unsigned len) const {
   assert(len < 1024 && "Request for magic string too long");
   char* buf = (char*) alloca(1 + len);
@@ -298,22 +283,6 @@ bool Path::getMagicNumber(std::string& Magic, unsigned len) const {
   return true;
 }
 
-bool 
-Path::isBytecodeFile() const {
-  char buffer[4];
-  buffer[0] = 0;
-  int fd = ::open(path.c_str(), O_RDONLY);
-  if (fd < 0)
-    return false;
-  ssize_t bytes_read = ::read(fd, buffer, 4);
-  ::close(fd);
-  if (4 != bytes_read) 
-    return false;
-
-  return (buffer[0] == 'l' && buffer[1] == 'l' && buffer[2] == 'v' &&
-         (buffer[3] == 'c' || buffer[3] == 'm'));
-}
-
 bool
 Path::exists() const {
   return 0 == access(path.c_str(), F_OK );