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3ecd300f489b1b2fe84539fbf964b6903cb23ecf blob 252 bytes (raw)
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#include <signal.h>
#include <errno.h>

int sigismember(const sigset_t *set, int sig)
{
	unsigned s = sig-1U;
	if (s >= _NSIG-1) {
		errno = EINVAL;
		return -1;
	}
	return !!(set->__bits[s/8/sizeof *set->__bits] & 1UL<<(s&8*sizeof *set->__bits-1));
}

debug log:
solving 3ecd300f ...
found 3ecd300f in https://inbox.vuxu.org/musl/20241030030724.733422-1-lihua.zhao.cn@windriver.com/
found ab87d622 in https://git.vuxu.org/mirror/musl/
preparing index
index prepared:
100644 ab87d62249de487cdb1c0990ffa26acf60160ade	src/signal/sigismember.c

applying [1/1] https://inbox.vuxu.org/musl/20241030030724.733422-1-lihua.zhao.cn@windriver.com/
diff --git a/src/signal/sigismember.c b/src/signal/sigismember.c
index ab87d622..3ecd300f 100644

Checking patch src/signal/sigismember.c...
Applied patch src/signal/sigismember.c cleanly.

index at:
100644 3ecd300f489b1b2fe84539fbf964b6903cb23ecf	src/signal/sigismember.c

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