diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2006-04-22 15:10:30 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2006-04-22 15:10:30 +0000 |
| commit | 9055724a92433ffa4c36f93d918ee1b3dfa1d6f7 (patch) | |
| tree | d1b47b459446913c51533a832c412fdd98e1afc2 /argp/argp.h | |
| parent | 41a3975907cfb52ee62199ae8fc287164e2f1cb5 (diff) | |
* argp/argp.h (__option_is_short): Check upper limit of
__key. isprint() requires its argument to have the value
of an unsigned char or EOF.
Patch by Sergey Poznyakoff <gray@Mirddin.farlep.net>.
Diffstat (limited to 'argp/argp.h')
| -rw-r--r-- | argp/argp.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/argp/argp.h b/argp/argp.h index f310193458..3a5cb01fd8 100644 --- a/argp/argp.h +++ b/argp/argp.h @@ -1,5 +1,5 @@ /* Hierarchial argument parsing, layered over getopt. - Copyright (C) 1995-1999,2003,2004,2005 Free Software Foundation, Inc. + Copyright (C) 1995-1999,2003,2004,2005,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Miles Bader <miles@gnu.ai.mit.edu>. @@ -24,6 +24,7 @@ #include <stdio.h> #include <ctype.h> #include <getopt.h> +#include <limits.h> #define __need_error_t #include <errno.h> @@ -574,7 +575,7 @@ __NTH (__option_is_short (__const struct argp_option *__opt)) else { int __key = __opt->key; - return __key > 0 && isprint (__key); + return __key > 0 && __key <= UCHAR_MAX && isprint (__key); } } |