From 0b4e0943a01496837944b8d7bd1f5cd67597916e Mon Sep 17 00:00:00 2001 From: Sam James Date: Sun, 13 Aug 2023 07:46:45 +0100 Subject: [PATCH] basic: add comment for LFS assert in dirent-util.h Followup to eb29296937b268e0140a2ab1cf204c2ebb72fa5a as promised; requested by lennart at https://github.com/systemd/systemd/pull/27599#discussion_r1192619263. --- src/basic/dirent-util.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/basic/dirent-util.h b/src/basic/dirent-util.h index f695885948..0a2fcbf957 100644 --- a/src/basic/dirent-util.h +++ b/src/basic/dirent-util.h @@ -36,6 +36,8 @@ struct dirent *readdir_no_dot(DIR *dirp); /* Only if 64-bit off_t is enabled struct dirent + struct dirent64 are actually the same. We require this, and * we want them to be interchangeable to make getdents64() work, hence verify that. */ assert_cc(_FILE_OFFSET_BITS == 64); +/* These asserts would fail on musl where the LFS extensions don't exist. They should + * always be present on glibc however. */ #if HAVE_STRUCT_DIRENT64 assert_cc(sizeof(struct dirent) == sizeof(struct dirent64)); assert_cc(offsetof(struct dirent, d_ino) == offsetof(struct dirent64, d_ino));