filter_qualify: prepare for the change of signame semantics

* filter_qualify.c (sigstr_to_uint): Check signame return value.
strace · Dec 17, 2018 · 4964cf3 · 4964cf3
1 parent 63144af
commit 4964cf3
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/filter_qualify.c b/filter_qualify.c
@@ -40,6 +40,9 @@ sigstr_to_uint(const char *s)
 	for (int i = 1; i <= 255; ++i) {
 		const char *name = signame(i);
 
+		if (!name)
+			continue;
+
 		if (strncasecmp(name, "SIG", 3) != 0)
 			continue;