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From: Sebastian Huber <sh@sourceware.org> To: newlib-cvs@sourceware.org Subject: [newlib-cygwin] Fix undefined behavior: left-shifting into the sign bit. Date: Fri, 24 Jun 2022 05:42:24 +0000 (GMT) [thread overview] Message-ID: <20220624054224.64A2E3864862@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=5e7a2b174ae1a54dd5cdd3c19455c6b81d5133f8 commit 5e7a2b174ae1a54dd5cdd3c19455c6b81d5133f8 Author: Konstantin Belousov <kib@FreeBSD.org> Date: Mon Dec 23 20:18:05 2019 +0000 Fix undefined behavior: left-shifting into the sign bit. Reviewed by: dim, markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D22898 Diff: --- newlib/libc/sys/rtems/include/sys/bitset.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/newlib/libc/sys/rtems/include/sys/bitset.h b/newlib/libc/sys/rtems/include/sys/bitset.h index a1fd8b316..9ff18f4f3 100644 --- a/newlib/libc/sys/rtems/include/sys/bitset.h +++ b/newlib/libc/sys/rtems/include/sys/bitset.h @@ -44,7 +44,7 @@ #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) \
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