From: Ralph Corderoy <ralph@inputplus.co.uk>
Date: Mon, 17 Oct 2016 00:35:15 +0000 (+0100)
Subject: Don't call strlen() twice;  save result.
X-Git-Url: https://diplodocus.org/git/nmh/commitdiff_plain/1313dfaa432e794cda1db60b32664164ef6245dd?hp=fc31cece06f633567cbf4432e4ec5ab0402a5a20

Don't call strlen() twice;  save result.
---

diff --git a/sbr/snprintb.c b/sbr/snprintb.c
index 629da4b7..0f46b353 100644
--- a/sbr/snprintb.c
+++ b/sbr/snprintb.c
@@ -13,12 +13,14 @@
 char *
 snprintb (char *buffer, size_t n, unsigned v, char *bits)
 {
+    size_t len;
     register int i, j;
     register char c, *bp;
 
     snprintf (buffer, n, bits && *bits == 010 ? "0%o" : "0x%x", v);
-    bp = buffer + strlen(buffer);
-    n -= strlen(buffer);
+    len = strlen(buffer);
+    bp = buffer + len;
+    n -= len;
 
     if (bits && *++bits) {
 	j = 0;