diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/getdents.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/getdents.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/getdents.c b/sysdeps/unix/sysv/linux/getdents.c index eb9cfefbcc..ac4979efb2 100644 --- a/sysdeps/unix/sysv/linux/getdents.c +++ b/sysdeps/unix/sysv/linux/getdents.c @@ -1,5 +1,4 @@ -/* Copyright (C) 1993, 1995-2004, 2006, 2007, 2010 - Free Software Foundation, Inc. +/* Copyright (C) 19932-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -99,7 +98,17 @@ __GETDENTS (int fd, char *buf, size_t nbytes) ssize_t retval; #ifdef __ASSUME_GETDENTS32_D_TYPE - if (sizeof (DIRENT_TYPE) == sizeof (struct dirent)) + /* The d_ino and d_off fields in kernel_dirent and dirent must have + the same sizes and alignments. */ + if (sizeof (DIRENT_TYPE) == sizeof (struct dirent) + && (sizeof (((struct kernel_dirent *) 0)->d_ino) + == sizeof (((struct dirent *) 0)->d_ino)) + && (sizeof (((struct kernel_dirent *) 0)->d_off) + == sizeof (((struct dirent *) 0)->d_off)) + && (offsetof (struct kernel_dirent, d_off) + == offsetof (struct dirent, d_off)) + && (offsetof (struct kernel_dirent, d_reclen) + == offsetof (struct dirent, d_reclen))) { retval = INLINE_SYSCALL (getdents, 3, fd, CHECK_N(buf, nbytes), nbytes); |