https://git.ruby-lang.org/ruby.git/commit/?id=085d0e5ccb

From 085d0e5ccb7cecb1f761c1d3c72caeeedafc7d04 Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@r...>
Date: Sun, 14 Jul 2019 21:56:39 +0900
Subject: ruby.c (name_match_p): remove unnecessary condition

It always returns immediately when len was decremented to zero.
So len is always positive.  This change will suppress Coverity Scan
warning.

diff --git a/ruby.c b/ruby.c
index c32055a..2610cf2 100644
--- a/ruby.c
+++ b/ruby.c
@@ -834,7 +834,7 @@ static int https://github.com/ruby/ruby/blob/trunk/ruby.c#L834
 name_match_p(const char *name, const char *str, size_t len)
 {
     if (len == 0) return 0;
-    do {
+    while (1) {
 	while (TOLOWER(*str) == *name) {
 	    if (!--len || !*++str) return 1;
 	    ++name;
@@ -844,8 +844,7 @@ name_match_p(const char *name, const char *str, size_t len) https://github.com/ruby/ruby/blob/trunk/ruby.c#L844
 	if (*name != '-' && *name != '_') return 0;
 	++name;
 	++str;
-    } while (len > 0);
-    return !*name;
+    }
 }
 
 #define NAME_MATCH_P(name, str, len) \
-- 
cgit v0.10.2


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