From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Mon, 19 Jul 2021 00:43:50 +0000 (-0700)
Subject: xyOf: use size_t for string length
X-Git-Tag: 2.49.0~39^2~3
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ddfe7f28765c219a11a23ebdb8d53897a54b6a1d;p=graphviz

xyOf: use size_t for string length

Squashes a -Wsign-conversion warning.
---

diff --git a/lib/gvpr/compile.c b/lib/gvpr/compile.c
index 9d0034bc4..716bdb2df 100644
--- a/lib/gvpr/compile.c
+++ b/lib/gvpr/compile.c
@@ -143,12 +143,11 @@ static char *xyOf(Expr_t * pgm, char *pt, bool getx)
     double x, y;
     char *v;
     char *p;
-    int len;
 
     if (sscanf(pt, "%lf,%lf", &x, &y) == 2) {
 	p = strchr(pt, ',');
 	if (getx) {
-	    len = p - pt;
+	    size_t len = (size_t)(p - pt);
 	    v = exstralloc(pgm, len + 1);
 	    strncpy(v, pt, len);
 	    v[len] = '\0';