diff options
Diffstat (limited to 'tests/same-inode.h')
| -rw-r--r-- | tests/same-inode.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/tests/same-inode.h b/tests/same-inode.h index 13ae24b7..70f17b03 100644 --- a/tests/same-inode.h +++ b/tests/same-inode.h @@ -1,6 +1,6 @@ /* Determine whether two stat buffers are known to refer to the same file. - Copyright (C) 2006, 2009-2024 Free Software Foundation, Inc. + Copyright (C) 2006, 2009-2025 Free Software Foundation, Inc. This file is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as @@ -77,12 +77,17 @@ extern "C" { #define SAME_INODE(a, b) PSAME_INODE (&(a), &(b)) /* True if *A and *B represent the same file. Unlike PSAME_INODE, - args are evaluated once and must point to struct stat. */ + args are evaluated once and must point to struct stat, + and this function works even on POSIX platforms where fstat etc. do + not return useful st_dev and st_ino values for shared memory + objects and typed memory objects. */ SAME_INODE_INLINE bool psame_inode (struct stat const *a, struct stat const *b) { - return PSAME_INODE (a, b); + return (! (S_TYPEISSHM (a) | S_TYPEISTMO (a) + | S_TYPEISSHM (b) | S_TYPEISTMO (b)) + && PSAME_INODE (a, b)); } |