diff options
Diffstat (limited to 'lib/string.in.h')
| -rw-r--r-- | lib/string.in.h | 98 |
1 files changed, 61 insertions, 37 deletions
diff --git a/lib/string.in.h b/lib/string.in.h index c76c1820b36..8d77ae38000 100644 --- a/lib/string.in.h +++ b/lib/string.in.h @@ -2,18 +2,18 @@ Copyright (C) 1995-1996, 2001-2021 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 file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. - This program is distributed in the hope that it will be useful, + This file 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. + GNU Lesser General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program; if not, see <https://www.gnu.org/licenses/>. */ + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ #if __GNUC__ >= 3 @PRAGMA_SYSTEM_HEADER@ @@ -52,16 +52,6 @@ # include <wchar.h> #endif -/* The __attribute__ feature is available in gcc versions 2.5 and later. - The attribute __pure__ was added in gcc 2.96. */ -#ifndef _GL_ATTRIBUTE_PURE -# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) || defined __clang__ -# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) -# else -# define _GL_ATTRIBUTE_PURE /* empty */ -# endif -#endif - /* NetBSD 5.0 declares strsignal in <unistd.h>, not in <string.h>. */ /* But in any case avoid namespace pollution on glibc systems. */ #if (@GNULIB_STRSIGNAL@ || defined GNULIB_POSIXCHECK) && defined __NetBSD__ \ @@ -77,12 +67,31 @@ # include <strings.h> #endif +/* The __attribute__ feature is available in gcc versions 2.5 and later. + The attribute __pure__ was added in gcc 2.96. */ +#ifndef _GL_ATTRIBUTE_PURE +# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) || defined __clang__ +# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) +# else +# define _GL_ATTRIBUTE_PURE /* empty */ +# endif +#endif + /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ /* The definition of _GL_ARG_NONNULL is copied here. */ /* The definition of _GL_WARN_ON_USE is copied here. */ +/* Declare 'free' if needed for _GL_ATTRIBUTE_DEALLOC_FREE. */ +_GL_EXTERN_C void free (void *); +#if @GNULIB_FREE_POSIX@ +# if (@REPLACE_FREE@ && !defined free \ + && !(defined __cplusplus && defined GNULIB_NAMESPACE)) +# define free rpl_free +_GL_EXTERN_C void free (void *); +# endif +#endif /* Clear a block of memory. The compiler will not delete a call to this function, even if the block is dead after the call. */ @@ -418,7 +427,10 @@ _GL_WARN_ON_USE (strchrnul, "strchrnul is unportable - " # undef strdup # define strdup rpl_strdup # endif -_GL_FUNCDECL_RPL (strdup, char *, (char const *__s) _GL_ARG_NONNULL ((1))); +_GL_FUNCDECL_RPL (strdup, char *, + (char const *__s) + _GL_ARG_NONNULL ((1)) + _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE); _GL_CXXALIAS_RPL (strdup, char *, (char const *__s)); # elif defined _WIN32 && !defined __CYGWIN__ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) @@ -431,35 +443,47 @@ _GL_CXXALIAS_MDA (strdup, char *, (char const *__s)); /* strdup exists as a function and as a macro. Get rid of the macro. */ # undef strdup # endif -# if !(@HAVE_DECL_STRDUP@ || defined strdup) -_GL_FUNCDECL_SYS (strdup, char *, (char const *__s) _GL_ARG_NONNULL ((1))); +# if (!@HAVE_DECL_STRDUP@ || __GNUC__ >= 11) && !defined strdup +_GL_FUNCDECL_SYS (strdup, char *, + (char const *__s) + _GL_ARG_NONNULL ((1)) + _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE); # endif _GL_CXXALIAS_SYS (strdup, char *, (char const *__s)); # endif _GL_CXXALIASWARN (strdup); -#elif defined GNULIB_POSIXCHECK -# undef strdup -# if HAVE_RAW_DECL_STRDUP +#else +# if __GNUC__ >= 11 && !defined strdup +/* For -Wmismatched-dealloc: Associate strdup with free or rpl_free. */ +_GL_FUNCDECL_SYS (strdup, char *, + (char const *__s) + _GL_ARG_NONNULL ((1)) + _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE); +# endif +# if defined GNULIB_POSIXCHECK +# undef strdup +# if HAVE_RAW_DECL_STRDUP _GL_WARN_ON_USE (strdup, "strdup is unportable - " "use gnulib module strdup for portability"); -# endif -#elif @GNULIB_MDA_STRDUP@ +# endif +# elif @GNULIB_MDA_STRDUP@ /* On native Windows, map 'creat' to '_creat', so that -loldnames is not required. In C++ with GNULIB_NAMESPACE, avoid differences between - platforms by defining GNULIB_NAMESPACE::creat always. */ -# if defined _WIN32 && !defined __CYGWIN__ -# if !(defined __cplusplus && defined GNULIB_NAMESPACE) -# undef strdup -# define strdup _strdup -# endif + platforms by defining GNULIB_NAMESPACE::strdup always. */ +# if defined _WIN32 && !defined __CYGWIN__ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef strdup +# define strdup _strdup +# endif _GL_CXXALIAS_MDA (strdup, char *, (char const *__s)); -# else -# if defined __cplusplus && defined GNULIB_NAMESPACE && defined strdup -# undef strdup -# endif +# else +# if defined __cplusplus && defined GNULIB_NAMESPACE && defined strdup +# undef strdup +# endif _GL_CXXALIAS_SYS (strdup, char *, (char const *__s)); -# endif +# endif _GL_CXXALIASWARN (strdup); +# endif #endif /* Append no more than N characters from SRC onto DEST. */ |