From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sun, 6 Feb 2022 06:51:26 +0000 (+1100)
Subject: neatogen: [nfc] remove unused 'read_top' macro
X-Git-Tag: 3.0.0~39^2~1
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d122eea6d7f4343b487e45ff8e8e00decc35d358;p=graphviz

neatogen: [nfc] remove unused 'read_top' macro

This macro also appears to be incorrect; it does not use its parameter `h` but
instead uses `s`.
---

diff --git a/lib/neatogen/closest.c b/lib/neatogen/closest.c
index f104dca44..3ca9a01a0 100644
--- a/lib/neatogen/closest.c
+++ b/lib/neatogen/closest.c
@@ -59,8 +59,6 @@ static void freeStack(PairStack * s)
 
 #define pop(s,x) ((s->top==0) ? FALSE : (s->top--, x = s->data[s->top], TRUE))
 
-#define read_top(h,x) ((s->top==0) ? FALSE : (x = s->data[s->top-1], TRUE))
-
 #define sub(h,i) (h->data[i])
 
 /* An auxulliary data structure (a heap) for