1 /* Copyright (c) 2002 Red Hat Incorporated.
2 All rights reserved.
3
4 Redistribution and use in source and binary forms, with or without
5 modification, are permitted provided that the following conditions are met:
6
7 Redistributions of source code must retain the above copyright
8 notice, this list of conditions and the following disclaimer.
9
10 Redistributions in binary form must reproduce the above copyright
11 notice, this list of conditions and the following disclaimer in the
12 documentation and/or other materials provided with the distribution.
13
14 The name of Red Hat Incorporated may not be used to endorse
15 or promote products derived from this software without specific
16 prior written permission.
17
18 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 ARE DISCLAIMED. IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY
22 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 /*
31 FUNCTION
32 <<wctrans>>, <<wctrans_l>>---get wide-character translation type
33
34 INDEX
35 wctrans
36
37 INDEX
38 wctrans_l
39
40 SYNOPSIS
41 #include <wctype.h>
42 wctrans_t wctrans(const char *<[c]>);
43
44 #include <wctype.h>
45 wctrans_t wctrans_l(const char *<[c]>, locale_t <[locale]>);
46
47
48 DESCRIPTION
49 <<wctrans>> is a function which takes a string <[c]> and gives back
50 the appropriate wctrans_t type value associated with the string,
51 if one exists. The following values are guaranteed to be recognized:
52 "tolower" and "toupper".
53
54 <<wctrans_l>> is like <<wctrans>> but performs the function based on the
55 locale specified by the locale object locale. If <[locale]> is
56 LC_GLOBAL_LOCALE or not a valid locale object, the behaviour is undefined.
57
58 RETURNS
59 <<wctrans>>, <<wctrans_l>> return 0 and sets <<errno>> to <<EINVAL>> if the
60 given name is invalid. Otherwise, it returns a valid non-zero wctrans_t
61 value.
62
63 PORTABILITY
64 <<wctrans>> is C99.
65 <<wctrans_l>> is POSIX-1.2008.
66
67 No supporting OS subroutines are required.
68 */
69
70 #include <_ansi.h>
71 #include <string.h>
72 #include <wctype.h>
73 #include <errno.h>
74 #include "local.h"
75
76 #ifndef _REENT_ONLY
77 wctrans_t
wctrans(const char * c)78 wctrans (const char *c)
79 {
80 if (!strcmp (c, "tolower"))
81 return WCT_TOLOWER;
82 else if (!strcmp (c, "toupper"))
83 return WCT_TOUPPER;
84 else
85 {
86 _REENT_ERRNO(r) = EINVAL;
87 return 0;
88 }
89 }
90 #endif /* !_REENT_ONLY */
91
