diff options
Diffstat (limited to 'lib/Support/MemoryBuffer.cpp')
| -rw-r--r-- | lib/Support/MemoryBuffer.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/Support/MemoryBuffer.cpp b/lib/Support/MemoryBuffer.cpp index ec373e7f99..0423c7acb3 100644 --- a/lib/Support/MemoryBuffer.cpp +++ b/lib/Support/MemoryBuffer.cpp @@ -264,7 +264,7 @@ error_code MemoryBuffer::getFile(const char *Filename, static bool shouldUseMmap(int FD, size_t FileSize, size_t MapSize, - off_t Offset, + int64_t Offset, bool RequiresNullTerminator, int PageSize) { // We don't use mmap for small files because this can severely fragment our @@ -275,7 +275,6 @@ static bool shouldUseMmap(int FD, if (!RequiresNullTerminator) return true; - // If we don't know the file size, use fstat to find out. fstat on an open // file descriptor is cheaper than stat on a random path. // FIXME: this chunk of code is duplicated, but it avoids a fstat when @@ -335,8 +334,8 @@ error_code MemoryBuffer::getOpenFile(int FD, const char *Filename, if (shouldUseMmap(FD, FileSize, MapSize, Offset, RequiresNullTerminator, PageSize)) { - off_t RealMapOffset = Offset & ~(PageSize - 1); - off_t Delta = Offset - RealMapOffset; + int64_t RealMapOffset = Offset & ~(PageSize - 1); + int64_t Delta = Offset - RealMapOffset; size_t RealMapSize = MapSize + Delta; if (const char *Pages = sys::Path::MapInFilePages(FD, |