===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/mandoc_aux.c,v
retrieving revision 1.8
retrieving revision 1.9
diff -c -r1.8 -r1.9
*** src/usr.bin/mandoc/mandoc_aux.c	2017/06/12 18:55:42	1.8
--- src/usr.bin/mandoc/mandoc_aux.c	2018/02/07 20:04:33	1.9
***************
*** 1,4 ****
! /*	$OpenBSD: mandoc_aux.c,v 1.8 2017/06/12 18:55:42 schwarze Exp $ */
  /*
   * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   * Copyright (c) 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
--- 1,4 ----
! /*	$OpenBSD: mandoc_aux.c,v 1.9 2018/02/07 20:04:33 schwarze Exp $ */
  /*
   * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   * Copyright (c) 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
***************
*** 106,113 ****
  {
  	char	*p;
  
! 	p = mandoc_malloc(sz + 1);
! 	memcpy(p, ptr, sz);
! 	p[(int)sz] = '\0';
  	return p;
  }
--- 106,113 ----
  {
  	char	*p;
  
! 	p = strndup(ptr, sz);
! 	if (p == NULL)
! 		err((int)MANDOCLEVEL_SYSERR, NULL);
  	return p;
  }