Revert "Verify sizes when trying to read a VBR"

[oota-llvm.git] / lib / Support / Path.cpp

diff --git a/lib/Support/Path.cpp b/lib/Support/Path.cpp
index a11bb7feea0373a9797cebc40b52cb956e2de001..cf467381db8c47315f58aeb82e74a681fafccc29 100644 (file)
--- a/lib/Support/Path.cpp
+++ b/lib/Support/Path.cpp
@@ -19,9 +19,7 @@
 #include "llvm/Support/Path.h"
 #include "llvm/Support/Process.h"
 #include <cctype>
-#include <cstdio>
 #include <cstring>
-#include <fcntl.h>
 
 #if !defined(_MSC_VER) && !defined(__MINGW32__)
 #include <unistd.h>
@@ -30,6 +28,7 @@
 #endif
 
 using namespace llvm;
+using namespace llvm::support::endian;
 
 namespace {
   using llvm::StringRef;
@@ -48,7 +47,6 @@ namespace {
     // * empty (in this case we return an empty string)
     // * either C: or {//,\\}net.
     // * {/,\}
-    // * {.,..}
     // * {file,directory}name
 
     if (path.empty())
@@ -75,12 +73,6 @@ namespace {
     if (is_separator(path[0]))
       return path.substr(0, 1);
 
-    if (path.startswith(".."))
-      return path.substr(0, 2);
-
-    if (path[0] == '.')
-      return path.substr(0, 1);
-
     // * {file,directory}name
     size_t end = path.find_first_of(separators);
     return path.substr(0, end);
@@ -917,7 +909,7 @@ file_magic identify_magic(StringRef Magic) {
         if (Magic.size() < MinSize)
           return file_magic::coff_import_library;
 
-        int BigObjVersion = *reinterpret_cast<const support::ulittle16_t*>(
+        int BigObjVersion = read16le(
             Magic.data() + offsetof(COFF::BigObjHeader, Version));
         if (BigObjVersion < COFF::BigObjHeader::MinBigObjectVersion)
           return file_magic::coff_import_library;
@@ -1034,8 +1026,7 @@ file_magic identify_magic(StringRef Magic) {
 
     case 'M': // Possible MS-DOS stub on Windows PE file
       if (Magic[1] == 'Z') {
-        uint32_t off =
-          *reinterpret_cast<const support::ulittle32_t*>(Magic.data() + 0x3c);
+        uint32_t off = read32le(Magic.data() + 0x3c);
         // PE/COFF file, either EXE or DLL.
         if (off < Magic.size() &&
             memcmp(Magic.data()+off, COFF::PEMagic, sizeof(COFF::PEMagic)) == 0)