From 604ad4d8ff971314f37440963f4ad8e6ea79aacc Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Tue, 1 Nov 2005 15:01:00 +0000
Subject: isdigit (Tom Miller)

---
 src/libdisk/disk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/libdisk')

diff --git a/src/libdisk/disk.c b/src/libdisk/disk.c
index bb34b650..45836160 100644
--- a/src/libdisk/disk.c
+++ b/src/libdisk/disk.c
@@ -307,7 +307,7 @@ opendisk(char *disk, int rdonly, int noctl)
 	/* check for floppy(3) disk */
 	if(strlen(p) >= 7) {
 		q = p+strlen(p)-7;
-		if(q[0] == 'f' && q[1] == 'd' && isdigit(q[2]) && strcmp(q+3, "disk") == 0) {
+		if(q[0] == 'f' && q[1] == 'd' && isdigit((uchar)q[2]) && strcmp(q+3, "disk") == 0) {
 			strcpy(q+3, "ctl");
 			if((d->ctlfd = open(p, ORDWR)) >= 0) {
 				*q = '\0';
-- 
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