From 294ce12680bfa52aa7f9f1cb93b2bb5b2d22eaae Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 12 Nov 2011 01:31:29 -0500 Subject: [PATCH] Avoid warning from shifting --- ChangeLog | 3 +++ sysdeps/unix/sysv/linux/internal_statvfs.c | 8 ++++++-- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index 897174e..aa29e14 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 2011-11-12 Ulrich Drepper + * sysdeps/unix/sysv/linux/internal_statvfs.c (INTERNAL_STATVFS): Use + unsigned long long int to avoid warnings in shift. + * posix/regex_internal.c (re_string_reconstruct): Actually use result of use of trans. * posix/regex_internal.h (re_string_wchar_at): Remove temporary diff --git a/sysdeps/unix/sysv/linux/internal_statvfs.c b/sysdeps/unix/sysv/linux/internal_statvfs.c index 2ddec1e..a0bad02 100644 --- a/sysdeps/unix/sysv/linux/internal_statvfs.c +++ b/sysdeps/unix/sysv/linux/internal_statvfs.c @@ -237,9 +237,13 @@ INTERNAL_STATVFS (const char *name, struct STATVFS *buf, buf->f_files = fsbuf->f_files; buf->f_ffree = fsbuf->f_ffree; if (sizeof (buf->f_fsid) == sizeof (fsbuf->f_fsid)) + /* The shifting uses 'unsigned long long int' even though the target + field might only have 32 bits. This is OK since the 'if' branch + is not used in this case but the compiler would still generate + warnings. */ buf->f_fsid = ((fsbuf->f_fsid.__val[0] - & ((1UL << (8 * sizeof (fsbuf->f_fsid.__val[0]))) - 1)) - | ((unsigned long int) fsbuf->f_fsid.__val[1] + & ((1ULL << (8 * sizeof (fsbuf->f_fsid.__val[0]))) - 1)) + | ((unsigned long long int) fsbuf->f_fsid.__val[1] << (8 * (sizeof (buf->f_fsid) - sizeof (fsbuf->f_fsid.__val[0]))))); else -- 2.7.4