6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-19 18:24:00 +00:00
Code Issues Projects Releases Wiki Activity

Don't trust st_size of a character device. This fixes using

Browse Source 
/dev/stdin as an input when stdin is connected to a tty, for example.

No test, because it's difficult to write a reasonably portable test
for this. /dev/stdin isn't a character device when stdin is redirected
from a file or connected to a pipe.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175542 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2013-02-19 18:57:53 +00:00
parent 4fd4c91c40
commit 2b49dec41b
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
lib/Support/MemoryBuffer.cpp
View File

@ -322,9 +322,9 @@ error_code MemoryBuffer::getOpenFile(int FD, const char *Filename,
return error_code(errno, posix_category()); return error_code(errno, posix_category());
} }
// If this is a named pipe, we can't trust the size. Create the memory // If this is a named pipe or character device, we can't trust the size.
// buffer by copying off the stream. // Create the memory buffer by copying off the stream.
if (S_ISFIFO(FileInfo.st_mode)) { if (S_ISFIFO(FileInfo.st_mode) || S_ISCHR(FileInfo.st_mode)) {
return getMemoryBufferForStream(FD, Filename, result); return getMemoryBufferForStream(FD, Filename, result);
} }