File joe-3.1-fix_isblanck_argument.patch of Package joe

---
 joe/b.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Index: joe/b.c
===================================================================
--- joe/b.c.orig
+++ joe/b.c
@@ -638,9 +638,10 @@ int piseow(P *p)
 int pisblank(P *p)
 {
 	P *q = pdup(p, "pisblank");
+	int brc_result;
 
 	p_goto_bol(q);
-	while (joe_isblank(p->b->o.charmap,brc(q)))
+	while (((brc_result = brc(q)) != MAXINT) && joe_isblank(p->b->o.charmap,brc(q)))
 		pgetb(q);
 	if (piseol(q)) {
 		prm(q);
@@ -672,9 +673,10 @@ off_t pisindent(P *p)
 {
 	P *q = pdup(p, "pisindent");
 	off_t col;
+	int brc_result;
 
 	p_goto_bol(q);
-	while (joe_isblank(p->b->o.charmap,brc(q)))
+	while (((brc_result = brc(q)) != MAXINT) && joe_isblank(p->b->o.charmap,brc(q)))
 		pgetc(q);
 	col = q->col;
 	prm(q);