123 lines
4 KiB
C
123 lines
4 KiB
C
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/* A substitute <strings.h>.
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Copyright (C) 2007-2023 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef _@GUARD_PREFIX@_STRINGS_H
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#if __GNUC__ >= 3
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@PRAGMA_SYSTEM_HEADER@
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#endif
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@PRAGMA_COLUMNS@
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/* Minix 3.1.8 has a bug: <sys/types.h> must be included before <strings.h>.
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But avoid namespace pollution on glibc systems. */
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#if defined __minix && !defined __GLIBC__
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# include <sys/types.h>
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#endif
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/* The include_next requires a split double-inclusion guard. */
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#if @HAVE_STRINGS_H@
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# @INCLUDE_NEXT@ @NEXT_STRINGS_H@
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#endif
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#ifndef _@GUARD_PREFIX@_STRINGS_H
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#define _@GUARD_PREFIX@_STRINGS_H
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#if ! @HAVE_DECL_STRNCASECMP@
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/* Get size_t. */
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# include <stddef.h>
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#endif
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/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
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/* The definition of _GL_ARG_NONNULL is copied here. */
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/* The definition of _GL_WARN_ON_USE is copied here. */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Find the index of the least-significant set bit. */
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#if @GNULIB_FFS@
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# if !@HAVE_FFS@
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_GL_FUNCDECL_SYS (ffs, int, (int i));
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# endif
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_GL_CXXALIAS_SYS (ffs, int, (int i));
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_GL_CXXALIASWARN (ffs);
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#elif defined GNULIB_POSIXCHECK
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# undef ffs
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# if HAVE_RAW_DECL_FFS
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_GL_WARN_ON_USE (ffs, "ffs is not portable - use the ffs module");
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# endif
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#endif
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/* Compare strings S1 and S2, ignoring case, returning less than, equal to or
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greater than zero if S1 is lexicographically less than, equal to or greater
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than S2.
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Note: This function does not work in multibyte locales. */
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#if ! @HAVE_STRCASECMP@
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extern int strcasecmp (char const *s1, char const *s2)
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_GL_ARG_NONNULL ((1, 2));
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#endif
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#if defined GNULIB_POSIXCHECK
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/* strcasecmp() does not work with multibyte strings:
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POSIX says that it operates on "strings", and "string" in POSIX is defined
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as a sequence of bytes, not of characters. */
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# undef strcasecmp
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# if HAVE_RAW_DECL_STRCASECMP
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_GL_WARN_ON_USE (strcasecmp, "strcasecmp cannot work correctly on character "
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"strings in multibyte locales - "
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"use mbscasecmp if you care about "
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"internationalization, or use c_strcasecmp , "
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"gnulib module c-strcase) if you want a locale "
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"independent function");
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# endif
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#endif
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/* Compare no more than N bytes of strings S1 and S2, ignoring case,
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returning less than, equal to or greater than zero if S1 is
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lexicographically less than, equal to or greater than S2.
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Note: This function cannot work correctly in multibyte locales. */
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#if ! @HAVE_DECL_STRNCASECMP@
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extern int strncasecmp (char const *s1, char const *s2, size_t n)
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_GL_ARG_NONNULL ((1, 2));
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#endif
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#if defined GNULIB_POSIXCHECK
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/* strncasecmp() does not work with multibyte strings:
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POSIX says that it operates on "strings", and "string" in POSIX is defined
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as a sequence of bytes, not of characters. */
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# undef strncasecmp
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# if HAVE_RAW_DECL_STRNCASECMP
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_GL_WARN_ON_USE (strncasecmp, "strncasecmp cannot work correctly on character "
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"strings in multibyte locales - "
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"use mbsncasecmp or mbspcasecmp if you care about "
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"internationalization, or use c_strncasecmp , "
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"gnulib module c-strcase) if you want a locale "
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"independent function");
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# endif
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _@GUARD_PREFIX@_STRING_H */
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#endif /* _@GUARD_PREFIX@_STRING_H */
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