--- fgetln.c.orig 2010-07-09 13:54:22.000000000 -0700 +++ fgetln.c 2010-07-10 12:23:58.000000000 -0700 @@ -37,6 +37,7 @@ static char sccsid[] = "@(#)fgetln.c 8.2 __FBSDID("$FreeBSD: src/lib/libc/stdio/fgetln.c,v 1.11 2007/01/09 00:28:06 imp Exp $"); #include "namespace.h" +#include <errno.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -61,6 +62,10 @@ __slbexpand(FILE *fp, size_t newsize) #endif if (fp->_lb._size >= newsize) return (0); + if (newsize > INT_MAX) { + errno = ENOMEM; + return (-1); + } if ((p = realloc(fp->_lb._base, newsize)) == NULL) return (-1); fp->_lb._base = p; @@ -159,6 +164,7 @@ fgetln(FILE *fp, size_t *lenp) error: *lenp = 0; /* ??? */ + fp->_flags |= __SERR; FUNLOCKFILE(fp); return (NULL); /* ??? */ }