$NetBSD: patch-cf,v 1.1 1999/03/07 19:40:01 kim Exp $

--- sbr/m_getfld.c.orig	Fri Jul 31 18:48:37 1998
+++ sbr/m_getfld.c	Sun Mar  7 14:33:11 1999
@@ -259,7 +259,7 @@
 		bp = sp = (unsigned char *) iob->_ptr - 1;
 		j = (cnt = iob->_cnt+1) < i ? cnt : i;
 #endif
-		while ((c = *bp++) != ':' && c != '\n' && --j >= 0)
+		while (--j >= 0 && (c = *bp++) != ':' && c != '\n')
 		    *cp++ = c;
 
 		j = bp - sp;
@@ -538,7 +538,7 @@
 	    ;
 #else /* RPATHS */
 	cp = unixbuf;
-	while ((c = getc (iob)) != '\n')
+	while ((c = getc (iob)) != '\n' && cp - unixbuf < BUFSIZ - 1)
 	    *cp++ = c;
 	*cp = 0;
 #endif /* RPATHS */
@@ -639,7 +639,7 @@
 		break;
 #else /* RPATHS */
 	cp = unixbuf;
-	while ((c = getc (iob)) != '\n' && c >= 0)
+	while ((c = getc (iob)) != '\n' && c >= 0 && cp - unixbuf < BUFSIZ - 1)
 	    *cp++ = c;
 	*cp = 0;
 #endif /* RPATHS */