Add llvm::sys::{osName,osVersion} for retrieving operating system name

& version as strings.
 - Win32 code is untested.

llvm-svn: 56942

1 files changed, 42 insertions, 0 deletions

diff --git a/llvm/lib/System/Unix/Host.inc b/llvm/lib/System/Unix/Host.inc
new file mode 100644
index 00000000000..7bee66fd0d6
--- /dev/null
+++ b/llvm/lib/System/Unix/Host.inc
@@ -0,0 +1,42 @@
+ //===- llvm/System/Unix/Host.inc --------------------------------*- C++ -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+// This file implements the UNIX Host support.
+//
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+//=== WARNING: Implementation here must contain only generic UNIX code that
+//===          is guaranteed to work on *all* UNIX variants.
+//===----------------------------------------------------------------------===//
+
+#include <llvm/Config/config.h>
+#include "Unix.h"
+#include <sys/utsname.h>
+#include <string>
+
+using namespace llvm;
+
+std::string llvm::sys::osName() {
+  struct utsname info;
+
+  if (uname(&info))
+    return "";
+
+  return info.sysname;
+}
+
+std::string llvm::sys::osVersion() {
+  struct utsname info;
+
+  if (uname(&info))
+    return "";
+
+  return info.release;
+}