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Whitelist files and block devices instead of blacklisting fifos and

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character devices.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175549 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2013-02-19 19:36:55 +00:00
parent 2b49dec41b
commit a8eae3e358
1 changed files with 4 additions and 3 deletions
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7
lib/Support/MemoryBuffer.cpp
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@ -322,9 +322,10 @@ error_code MemoryBuffer::getOpenFile(int FD, const char *Filename,
return error_code(errno, posix_category());
}
// If this is a named pipe or character device, we can't trust the size.
// Create the memory buffer by copying off the stream.
if (S_ISFIFO(FileInfo.st_mode) || S_ISCHR(FileInfo.st_mode)) {
// If this not a file or a block device (e.g. it's a named pipe
// or character device), we can't trust the size. Create the memory
// buffer by copying off the stream.
if (!S_ISREG(FileInfo.st_mode) && !S_ISBLK(FileInfo.st_mode)) {
return getMemoryBufferForStream(FD, Filename, result);
}