d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix undefined behavior: left-shifting into the sign bit.

Browse Source 
Reviewed by:	dim, markj
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D22898
This commit is contained in:
Konstantin Belousov 2019-12-23 20:18:05 +00:00
parent 52f3524cfd
commit 107eff5176
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=356039
2 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/sys/_sigset.h
View File

@ -47,7 +47,7 @@
#define _SIG_MAXSIG 128
#define _SIG_IDX(sig) ((sig) - 1)
#define _SIG_WORD(sig) (_SIG_IDX(sig) >> 5)
#define _SIG_BIT(sig) (1 << (_SIG_IDX(sig) & 31))
#define _SIG_BIT(sig) (1U << (_SIG_IDX(sig) & 31))
#define _SIG_VALID(sig) ((sig) <= _SIG_MAXSIG && (sig) > 0)
typedef struct __sigset {

2
sys/sys/bitset.h
View File

@ -41,7 +41,7 @@
#define __constexpr_cond(expr) (__builtin_constant_p((expr)) && (expr))
#define __bitset_mask(_s, n) \
(1L << (__constexpr_cond(__bitset_words((_s)) == 1) ? \
(1UL << (__constexpr_cond(__bitset_words((_s)) == 1) ? \
(__size_t)(n) : ((n) % _BITSET_BITS)))
#define __bitset_word(_s, n) \