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Diffstat (limited to 'sysdeps/posix/dirstream.h')
-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 8e8570d..be20895 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)