From 5ed63a9b4e4e552b3c0c27d34f3f1707e2f569ea Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Tue, 1 Nov 2005 18:06:00 +0000
Subject: more signedness bugs

---
 src/cmd/eqn/input.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/cmd/eqn/input.c')

diff --git a/src/cmd/eqn/input.c b/src/cmd/eqn/input.c
index a7432f33..eb7fa180 100644
--- a/src/cmd/eqn/input.c
+++ b/src/cmd/eqn/input.c
@@ -189,9 +189,9 @@ input(void)
 				ERROR "argfp underflow" FATAL;
 			popsrc();
 			goto loop;
-		} else if (c == '$' && isdigit((uchar)*srcp->sp)) {
+		} else if (c == '$' && isdigit((unsigned char)*srcp->sp)) {
 			int n = 0;
-			while (isdigit((uchar)*srcp->sp))
+			while (isdigit((unsigned char)*srcp->sp))
 				n = 10 * n + *srcp->sp++ - '0';
 			if (n > 0 && n <= MAXARGS)
 				pushsrc(String, argfp->argstk[n-1]);
-- 
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