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wget/lib/strings.in.h

91 lines
3.2 KiB
C

/* A substitute <strings.h>.
Copyright (C) 2007-2008 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef _GL_STRINGS_H
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
/* The include_next requires a split double-inclusion guard. */
#@INCLUDE_NEXT@ @NEXT_STRINGS_H@
#ifndef _GL_STRINGS_H
#define _GL_STRINGS_H
/* The definition of GL_LINK_WARNING is copied here. */
#ifdef __cplusplus
extern "C" {
#endif
/* Compare strings S1 and S2, ignoring case, returning less than, equal to or
greater than zero if S1 is lexicographically less than, equal to or greater
than S2.
Note: This function does not work in multibyte locales. */
#if ! @HAVE_STRCASECMP@
extern int strcasecmp (char const *s1, char const *s2);
#endif
#if defined GNULIB_POSIXCHECK
/* strcasecmp() does not work with multibyte strings:
POSIX says that it operates on "strings", and "string" in POSIX is defined
as a sequence of bytes, not of characters. */
# undef strcasecmp
# define strcasecmp(a,b) \
(GL_LINK_WARNING ("strcasecmp cannot work correctly on character strings " \
"in multibyte locales - " \
"use mbscasecmp if you care about " \
"internationalization, or use c_strcasecmp (from " \
"gnulib module c-strcase) if you want a locale " \
"independent function"), \
strcasecmp (a, b))
#endif
/* Compare no more than N bytes of strings S1 and S2, ignoring case,
returning less than, equal to or greater than zero if S1 is
lexicographically less than, equal to or greater than S2.
Note: This function cannot work correctly in multibyte locales. */
#if ! @HAVE_DECL_STRNCASECMP@
extern int strncasecmp (char const *s1, char const *s2, size_t n);
#endif
#if defined GNULIB_POSIXCHECK
/* strncasecmp() does not work with multibyte strings:
POSIX says that it operates on "strings", and "string" in POSIX is defined
as a sequence of bytes, not of characters. */
# undef strncasecmp
# define strncasecmp(a,b,n) \
(GL_LINK_WARNING ("strncasecmp cannot work correctly on character " \
"strings in multibyte locales - " \
"use mbsncasecmp or mbspcasecmp if you care about " \
"internationalization, or use c_strncasecmp (from " \
"gnulib module c-strcase) if you want a locale " \
"independent function"), \
strncasecmp (a, b, n))
#endif
#ifdef __cplusplus
}
#endif
#endif /* _GL_STRING_H */
#endif /* _GL_STRING_H */