Initial implementations of the ErrorCode and Path concepts for Linux.

llvm-svn: 15763

1 files changed, 57 insertions, 0 deletions

diff --git a/llvm/lib/System/linux/ErrorCode.cpp b/llvm/lib/System/linux/ErrorCode.cpp
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+++ b/llvm/lib/System/linux/ErrorCode.cpp
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+//===- ErrorCode.cpp - Define the ErrorCode class ---------------*- C++ -*-===//
+//
+// Copyright (C) 2004 eXtensible Systems, Inc. All Rights Reserved.
+//
+// This program is open source software; you can redistribute it and/or modify
+// it under the terms of the University of Illinois Open Source License. See
+// LICENSE.TXT (distributed with this software) for details.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+// or FITNESS FOR A PARTICULAR PURPOSE.
+//
+//===----------------------------------------------------------------------===//
+// 
+// This file defines the linux specific members of the llvm::sys::ErrorCode 
+// class. 
+//
+//===----------------------------------------------------------------------===//
+/// @file lib/System/ErrorCode.h
+/// @author Reid Spencer <raspencer@x10sys.com> (original author)
+/// @version \verbatim $Id$ \endverbatim
+/// @date 2004/08/14
+/// @since 1.4
+/// @brief Declares the linux specific methods of llvm::sys::ErrorCode class.
+//===----------------------------------------------------------------------===//
+
+namespace llvm {
+namespace sys {
+
+std::string 
+ErrorCode::description() const throw()
+{
+  switch (domain()) {
+    case OSDomain:
+      char buffer[1024];
+      if (0 != strerror_r(index(),buffer,1024) )
+        return "<Error Message Unavalabile>";
+      return buffer;
+
+    case SystemDomain:
+      switch (index()) {
+        case ERR_SYS_INVALID_ARG: 
+          return "Invalid argument to lib/System call";
+        default:
+          return "Unknown lib/System Error";
+      }
+      break;
+
+    default:
+      return "Unknown Error";
+  }
+}
+
+}
+}
+
+// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab