From 5fe463b40c779db020fd3ef1d1a494fe6a0149c2 Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Wed, 15 Sep 2021 20:49:30 -0700
Subject: [PATCH] expr scan: use a 'size_t' for iteration

Squashes a -Wsign-compare warning.
---
 lib/expr/excc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/expr/excc.c b/lib/expr/excc.c
index f7c5ee56c..e6ab0ab20 100644
--- a/lib/expr/excc.c
+++ b/lib/expr/excc.c
@@ -22,6 +22,7 @@
 	Exccdisc_t*	ccdisc;		/* excc() discipline		*/
 
 #include <expr/exlib.h>
+#include <stddef.h>
 #include <stdio.h>
 #include <string.h>
 
@@ -140,7 +141,6 @@ static void
 scan(Excc_t* cc, Exnode_t* expr)
 {
 	Print_t*	x;
-	int		i;
 
 	if ((x = expr->data.print.args))
 	{
@@ -152,7 +152,7 @@ scan(Excc_t* cc, Exnode_t* expr)
 		{
 			if (x->arg)
 			{
-				for (i = 0; i < elementsof(x->param) && x->param[i]; i++)
+				for (size_t i = 0; i < elementsof(x->param) && x->param[i]; i++)
 				{
 					sfprintf(cc->ccdisc->text, ", &(");
 					gen(cc, x->param[i]);
-- 
2.40.0