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authorDavid S. Miller <davem@davemloft.net>2013-10-10 22:32:36 -0700
committerDavid S. Miller <davem@davemloft.net>2013-10-10 22:32:36 -0700
commit75b4202ab03337edb37536e3d9470a48a04c9341 (patch)
tree5e187d42c32db5c190b00009bed479a6a39b8a0e /sysdeps
parent33b853c3b19a2a75f720f9fca312a651ab17728a (diff)
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Fix readdir regressions on sparc 32-bit.
* sysdeps/posix/dirstream.h (struct __dirstream): Fix alignment of directory block.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/posix/dirstream.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/sysdeps/posix/dirstream.h b/sysdeps/posix/dirstream.h
index 8e8570dd48..be20895051 100644
--- a/sysdeps/posix/dirstream.h
+++ b/sysdeps/posix/dirstream.h
@@ -41,8 +41,13 @@ struct __dirstream
int errcode; /* Delayed error code. */
- /* Directory block. */
- char data[0] __attribute__ ((aligned (__alignof__ (void*))));
+ /* Directory block. We must make sure that this block starts
+ at an address that is aligned adequately enough to store
+ dirent entries. Using the alignment of "void *" is not
+ sufficient because dirents on 32-bit platforms can require
+ 64-bit alignment. We use "long double" here to be consistent
+ with what malloc uses. */
+ char data[0] __attribute__ ((aligned (__alignof__ (long double))));
};
#define _DIR_dirfd(dirp) ((dirp)->fd)