minor optimization in puts: use inline putc_unlocked macro for newline

d02c50d6 · Rich Felker · 1477a3be · d02c50d6
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src/stdio/puts.c src/stdio/puts.c +1 -1

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--- a/src/stdio/puts.c
+++ b/src/stdio/puts.c
@@ -4,7 +4,7 @@ int puts(const char *s)
 {
 	int r;
 	FLOCK(stdout);
-	r = -(fputs(s, stdout) < 0 || putchar('\n') < 0);
+	r = -(fputs(s, stdout) < 0 || putc_unlocked('\n', stdout) < 0);
 	FUNLOCK(stdout);
 	return r;
 }