diff options
Diffstat (limited to 'lib/Bytecode/Reader/ReaderWrappers.cpp')
-rw-r--r-- | lib/Bytecode/Reader/ReaderWrappers.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/lib/Bytecode/Reader/ReaderWrappers.cpp b/lib/Bytecode/Reader/ReaderWrappers.cpp index bc3cbbd330..ef5e70d42b 100644 --- a/lib/Bytecode/Reader/ReaderWrappers.cpp +++ b/lib/Bytecode/Reader/ReaderWrappers.cpp @@ -21,7 +21,6 @@ #include "Config/fcntl.h" #include "Config/unistd.h" #include "Config/sys/mman.h" -#include <sys/stat.h> #include <cerrno> using namespace llvm; @@ -51,17 +50,15 @@ static std::string ErrnoMessage (int savedErrNum, std::string descr) { } BytecodeFileReader::BytecodeFileReader(const std::string &Filename) { + Length = getFileSize(Filename); + if (Length == -1) + throw ErrnoMessage(errno, "stat '" + Filename + "'"); + FDHandle FD(open(Filename.c_str(), O_RDONLY)); if (FD == -1) throw ErrnoMessage(errno, "open '" + Filename + "'"); - // Stat the file to get its length... - struct stat StatBuf; - if (fstat(FD, &StatBuf) == -1 || StatBuf.st_size == 0) - throw ErrnoMessage(errno, "stat '" + Filename + "'"); - // mmap in the file all at once... - Length = StatBuf.st_size; Buffer = (unsigned char*)mmap(0, Length, PROT_READ, MAP_PRIVATE, FD, 0); if (Buffer == (unsigned char*)MAP_FAILED) |