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eb4a14ed LC |
1 | /* A substitute <strings.h>. |
2 | ||
3 | Copyright (C) 2007-2012 Free Software Foundation, Inc. | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU Lesser General Public License as published by | |
7 | the Free Software Foundation; either version 2, or (at your option) | |
8 | any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public License | |
16 | along with this program; if not, write to the Free Software Foundation, | |
17 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ | |
18 | ||
19 | #ifndef _@GUARD_PREFIX@_STRINGS_H | |
20 | ||
21 | #if __GNUC__ >= 3 | |
22 | @PRAGMA_SYSTEM_HEADER@ | |
23 | #endif | |
24 | @PRAGMA_COLUMNS@ | |
25 | ||
26 | /* Minix 3.1.8 has a bug: <sys/types.h> must be included before <strings.h>. | |
27 | But avoid namespace pollution on glibc systems. */ | |
28 | #if defined __minix && !defined __GLIBC__ | |
29 | # include <sys/types.h> | |
30 | #endif | |
31 | ||
32 | /* The include_next requires a split double-inclusion guard. */ | |
33 | #if @HAVE_STRINGS_H@ | |
34 | # @INCLUDE_NEXT@ @NEXT_STRINGS_H@ | |
35 | #endif | |
36 | ||
37 | #ifndef _@GUARD_PREFIX@_STRINGS_H | |
38 | #define _@GUARD_PREFIX@_STRINGS_H | |
39 | ||
40 | #if ! @HAVE_DECL_STRNCASECMP@ | |
41 | /* Get size_t. */ | |
42 | # include <stddef.h> | |
43 | #endif | |
44 | ||
45 | ||
46 | /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ | |
47 | ||
48 | /* The definition of _GL_ARG_NONNULL is copied here. */ | |
49 | ||
50 | /* The definition of _GL_WARN_ON_USE is copied here. */ | |
51 | ||
52 | #ifdef __cplusplus | |
53 | extern "C" { | |
54 | #endif | |
55 | ||
56 | ||
57 | /* Find the index of the least-significant set bit. */ | |
58 | #if @GNULIB_FFS@ | |
59 | # if !@HAVE_FFS@ | |
60 | _GL_FUNCDECL_SYS (ffs, int, (int i)); | |
61 | # endif | |
62 | _GL_CXXALIAS_SYS (ffs, int, (int i)); | |
63 | _GL_CXXALIASWARN (ffs); | |
64 | #elif defined GNULIB_POSIXCHECK | |
65 | # undef ffs | |
66 | # if HAVE_RAW_DECL_FFS | |
67 | _GL_WARN_ON_USE (ffs, "ffs is not portable - use the ffs module"); | |
68 | # endif | |
69 | #endif | |
70 | ||
71 | /* Compare strings S1 and S2, ignoring case, returning less than, equal to or | |
72 | greater than zero if S1 is lexicographically less than, equal to or greater | |
73 | than S2. | |
74 | Note: This function does not work in multibyte locales. */ | |
75 | #if ! @HAVE_STRCASECMP@ | |
76 | extern int strcasecmp (char const *s1, char const *s2) | |
77 | _GL_ARG_NONNULL ((1, 2)); | |
78 | #endif | |
79 | #if defined GNULIB_POSIXCHECK | |
80 | /* strcasecmp() does not work with multibyte strings: | |
81 | POSIX says that it operates on "strings", and "string" in POSIX is defined | |
82 | as a sequence of bytes, not of characters. */ | |
83 | # undef strcasecmp | |
84 | # if HAVE_RAW_DECL_STRCASECMP | |
85 | _GL_WARN_ON_USE (strcasecmp, "strcasecmp cannot work correctly on character " | |
86 | "strings in multibyte locales - " | |
87 | "use mbscasecmp if you care about " | |
88 | "internationalization, or use c_strcasecmp , " | |
89 | "gnulib module c-strcase) if you want a locale " | |
90 | "independent function"); | |
91 | # endif | |
92 | #endif | |
93 | ||
94 | /* Compare no more than N bytes of strings S1 and S2, ignoring case, | |
95 | returning less than, equal to or greater than zero if S1 is | |
96 | lexicographically less than, equal to or greater than S2. | |
97 | Note: This function cannot work correctly in multibyte locales. */ | |
98 | #if ! @HAVE_DECL_STRNCASECMP@ | |
99 | extern int strncasecmp (char const *s1, char const *s2, size_t n) | |
100 | _GL_ARG_NONNULL ((1, 2)); | |
101 | #endif | |
102 | #if defined GNULIB_POSIXCHECK | |
103 | /* strncasecmp() does not work with multibyte strings: | |
104 | POSIX says that it operates on "strings", and "string" in POSIX is defined | |
105 | as a sequence of bytes, not of characters. */ | |
106 | # undef strncasecmp | |
107 | # if HAVE_RAW_DECL_STRNCASECMP | |
108 | _GL_WARN_ON_USE (strncasecmp, "strncasecmp cannot work correctly on character " | |
109 | "strings in multibyte locales - " | |
110 | "use mbsncasecmp or mbspcasecmp if you care about " | |
111 | "internationalization, or use c_strncasecmp , " | |
112 | "gnulib module c-strcase) if you want a locale " | |
113 | "independent function"); | |
114 | # endif | |
115 | #endif | |
116 | ||
117 | ||
118 | #ifdef __cplusplus | |
119 | } | |
120 | #endif | |
121 | ||
122 | #endif /* _@GUARD_PREFIX@_STRING_H */ | |
123 | #endif /* _@GUARD_PREFIX@_STRING_H */ |