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optimize nop case of wmemmove
[musl]
/
src
/
signal
/
sigismember.c
diff --git
a/src/signal/sigismember.c
b/src/signal/sigismember.c
index
d3de6ef
..
ab87d62
100644
(file)
--- a/
src/signal/sigismember.c
+++ b/
src/signal/sigismember.c
@@
-1,12
+1,8
@@
#include <signal.h>
#include <signal.h>
-#include <errno.h>
int sigismember(const sigset_t *set, int sig)
{
unsigned s = sig-1;
int sigismember(const sigset_t *set, int sig)
{
unsigned s = sig-1;
- if (s >= 8*sizeof(sigset_t) || s-32U<3) {
- errno = EINVAL;
- return -1;
- }
+ if (s >= _NSIG-1) return 0;
return !!(set->__bits[s/8/sizeof *set->__bits] & 1UL<<(s&8*sizeof *set->__bits-1));
}
return !!(set->__bits[s/8/sizeof *set->__bits] & 1UL<<(s&8*sizeof *set->__bits-1));
}