From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Thu, 11 Nov 2021 01:27:23 +0000 (-0800)
Subject: imagetype: squash -Wsign-compare warning
X-Git-Tag: 2.50.0~30^2~7
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3f77ced409b3cabef604f4bc1019420f4086b4b7;p=graphviz

imagetype: squash -Wsign-compare warning
---

diff --git a/lib/gvc/gvusershape.c b/lib/gvc/gvusershape.c
index 02da47cd2..63b9f5d30 100644
--- a/lib/gvc/gvusershape.c
+++ b/lib/gvc/gvusershape.c
@@ -81,10 +81,9 @@ static int imagetype (usershape_t *us)
 {
     char header[HDRLEN];
     char line[200];
-    int i;
 
     if (us->f && fread(header, 1, HDRLEN, us->f) == HDRLEN) {
-        for (i = 0; i < sizeof(knowntypes) / sizeof(knowntype_t); i++) {
+        for (size_t i = 0; i < sizeof(knowntypes) / sizeof(knowntype_t); i++) {
 	    if (!memcmp (header, knowntypes[i].template, knowntypes[i].size)) {
 	        us->stringtype = knowntypes[i].stringtype;
 		us->type = knowntypes[i].type;