Fix endless loop with invalid /etc/shells file.
[glibc.git] / ctype / ctype-extn.c
blobd6851d4fbcada8bd1670eb3de1fcfe92e91d6b9f
1 /* Copyright (C) 1991,1997,1999,2000,2002,2005 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #define __NO_CTYPE
20 #include <ctype.h>
22 #define __ctype_tolower \
23 ((int32_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_TOLOWER) + 128)
24 #define __ctype_toupper \
25 ((int32_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_TOUPPER) + 128)
27 /* Real function versions of the non-ANSI ctype functions. isblank is
28 now in ISO C99 but we leave it here. */
30 int
31 isblank (int c)
33 return __isctype (c, _ISblank);
36 int
37 _tolower (int c)
39 return __ctype_tolower[c];
41 int
42 _toupper (int c)
44 return __ctype_toupper[c];
47 int
48 toascii (int c)
50 return __toascii (c);
52 weak_alias (toascii, __toascii_l)
54 int
55 isascii (int c)
57 return __isascii (c);
59 weak_alias (isascii, __isascii_l)
62 int
63 __isblank_l (int c, __locale_t l)
65 return __isctype_l (c, _ISblank, l);
67 weak_alias (__isblank_l, isblank_l)