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authorUlrich Drepper <drepper@redhat.com>2006-04-22 15:10:30 +0000
committerUlrich Drepper <drepper@redhat.com>2006-04-22 15:10:30 +0000
commit9055724a92433ffa4c36f93d918ee1b3dfa1d6f7 (patch)
treed1b47b459446913c51533a832c412fdd98e1afc2 /argp
parent41a3975907cfb52ee62199ae8fc287164e2f1cb5 (diff)
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* 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')
-rw-r--r--argp/argp.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/argp/argp.h b/argp/argp.h
index f3101934589..3a5cb01fd86 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);
}
}