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//===-- Path.cpp - Implement OS Path Concept --------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Reid Spencer and is distributed under the
// University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This header file implements the operating system Path concept.
//
//===----------------------------------------------------------------------===//
#include "llvm/System/Path.h"
#include <cassert>
namespace llvm {
using namespace sys;
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only TRULY operating system
//=== independent code.
//===----------------------------------------------------------------------===//
LLVMFileType
IdentifyFileType(const char*magic, unsigned length) {
assert(magic && "Invalid magic number string");
assert(length >=4 && "Invalid magic number length");
switch (magic[0]) {
case 'l':
if (magic[1] == 'l' && magic[2] == 'v') {
if (magic[3] == 'c')
return CompressedBytecodeFileType;
else if (magic[3] == 'm')
return BytecodeFileType;
}
break;
case '!':
if (length >= 8) {
if (memcmp(magic,"!<arch>\n",8) == 0)
return ArchiveFileType;
}
break;
default:
break;
}
return UnknownFileType;
}
}
// Include the truly platform-specific parts of this class.
#include "platform/Path.cpp"
// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
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