From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Tue, 28 Jun 2022 01:42:29 +0000 (-0700)
Subject: reallyroutespline: squash a -Wsign-conversion warning
X-Git-Tag: 5.0.0~8^2~1
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=28ac1565fd6cf0b2dd7acdcb8d0bda0c0c88ddac;p=graphviz

reallyroutespline: squash a -Wsign-conversion warning

By construction, `inpn` can only ever be non-negative here. Though in the long
term a more sweeping change should be done to count items in `size_t` variables
pervasively.
---

diff --git a/lib/pathplan/route.c b/lib/pathplan/route.c
index 0274d4b2e..69bb776fd 100644
--- a/lib/pathplan/route.c
+++ b/lib/pathplan/route.c
@@ -105,7 +105,7 @@ static int reallyroutespline(Pedge_t * edges, int edgen,
     static int tnan;
 
     if (tnan < inpn) {
-	if (!(tnas = realloc(tnas, sizeof(tna_t) * inpn)))
+	if (!(tnas = realloc(tnas, sizeof(tna_t) * (size_t)inpn)))
 	    return -1;
 	tnan = inpn;
     }