mirror of
https://git.savannah.gnu.org/git/emacs.git
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Merge from gnulib
This incorporates: 2016-11-15 sys_time: add gnulib::timeval for C++ 2016-11-14 snippet/c++defs: fix real-floating arg functions in C++ mode 2016-11-13 strftime: don't use __THROW 2016-11-12 strftime: tune %q 2016-11-12 Merge strftime.c changes from glibc 2016-11-09 manywarnings: fix -Wno-missing-field-initializers detection 2016-11-05 strftime,strptime: support %q to represent the quarter The glibc changes in turn incorporate the following strftime.c changes: 2015-10-20 Convert misc function definitions to prototype style 2015-09-26 [BZ #18985] out of range data to strftime() causes segfault 2010-01-09 Add support for XPG7 testing 2009-10-30 Implement Burmese language locale for Myanmar 2008-06-13 [BZ #6612] pass reference to tzset_called around 2007-10-16 [BZ #5184] Add tzset_called argument * build-aux/snippet/c++defs.h, lib/strftime.c, lib/sys_time.in.h: * m4/manywarnings.m4: Copy from gnulib.
This commit is contained in:
parent
493a8f33ba
commit
bbd84f86bc
@ -17,6 +17,15 @@
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#ifndef _GL_CXXDEFS_H
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#define _GL_CXXDEFS_H
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/* Begin/end the GNULIB_NAMESPACE namespace. */
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#if defined __cplusplus && defined GNULIB_NAMESPACE
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# define _GL_BEGIN_NAMESPACE namespace GNULIB_NAMESPACE {
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# define _GL_END_NAMESPACE }
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#else
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# define _GL_BEGIN_NAMESPACE
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# define _GL_END_NAMESPACE
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#endif
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/* The three most frequent use cases of these macros are:
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* For providing a substitute for a function that is missing on some
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@ -111,14 +120,22 @@
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that redirects to rpl_func, if GNULIB_NAMESPACE is defined.
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Example:
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_GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...));
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*/
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Wrapping rpl_func in an object with an inline conversion operator
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avoids a reference to rpl_func unless GNULIB_NAMESPACE::func is
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actually used in the program. */
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#define _GL_CXXALIAS_RPL(func,rettype,parameters) \
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_GL_CXXALIAS_RPL_1 (func, rpl_##func, rettype, parameters)
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#if defined __cplusplus && defined GNULIB_NAMESPACE
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# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \
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namespace GNULIB_NAMESPACE \
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{ \
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rettype (*const func) parameters = ::rpl_func; \
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static const struct _gl_ ## func ## _wrapper \
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{ \
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typedef rettype (*type) parameters; \
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inline type rpl () const { return ::rpl_func; } \
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inline operator type () const { return rpl (); } \
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} func = {}; \
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} \
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_GL_EXTERN_C int _gl_cxxalias_dummy
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#else
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@ -135,8 +152,13 @@
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# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \
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namespace GNULIB_NAMESPACE \
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{ \
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rettype (*const func) parameters = \
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reinterpret_cast<rettype(*)parameters>(::rpl_func); \
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static const struct _gl_ ## func ## _wrapper \
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{ \
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typedef rettype (*type) parameters; \
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inline type rpl () const \
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{ return reinterpret_cast<type>(::rpl_func); } \
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inline operator type () const { return rpl (); } \
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} func = {}; \
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} \
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_GL_EXTERN_C int _gl_cxxalias_dummy
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#else
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@ -150,18 +172,20 @@
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is defined.
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Example:
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_GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...));
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*/
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Wrapping func in an object with an inline conversion operator
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avoids a reference to func unless GNULIB_NAMESPACE::func is
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actually used in the program. */
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#if defined __cplusplus && defined GNULIB_NAMESPACE
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/* If we were to write
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rettype (*const func) parameters = ::func;
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like above in _GL_CXXALIAS_RPL_1, the compiler could optimize calls
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better (remove an indirection through a 'static' pointer variable),
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but then the _GL_CXXALIASWARN macro below would cause a warning not only
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for uses of ::func but also for uses of GNULIB_NAMESPACE::func. */
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# define _GL_CXXALIAS_SYS(func,rettype,parameters) \
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namespace GNULIB_NAMESPACE \
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{ \
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static rettype (*func) parameters = ::func; \
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# define _GL_CXXALIAS_SYS(func,rettype,parameters) \
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namespace GNULIB_NAMESPACE \
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{ \
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static const struct _gl_ ## func ## _wrapper \
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{ \
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typedef rettype (*type) parameters; \
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inline type rpl () const { return ::func; } \
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inline operator type () const { return rpl (); } \
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} func = {}; \
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} \
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_GL_EXTERN_C int _gl_cxxalias_dummy
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#else
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@ -178,8 +202,13 @@
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# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \
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namespace GNULIB_NAMESPACE \
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{ \
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static rettype (*func) parameters = \
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reinterpret_cast<rettype(*)parameters>(::func); \
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static const struct _gl_ ## func ## _wrapper \
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{ \
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typedef rettype (*type) parameters; \
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inline type rpl () const \
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{ return reinterpret_cast<type>(::func); } \
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inline operator type () const { return rpl (); }\
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} func = {}; \
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} \
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_GL_EXTERN_C int _gl_cxxalias_dummy
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#else
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@ -202,9 +231,15 @@
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# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \
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namespace GNULIB_NAMESPACE \
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{ \
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static rettype (*func) parameters = \
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reinterpret_cast<rettype(*)parameters>( \
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(rettype2(*)parameters2)(::func)); \
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static const struct _gl_ ## func ## _wrapper \
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{ \
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typedef rettype (*type) parameters; \
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\
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inline type rpl () const \
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{ return reinterpret_cast<type>((rettype2 (*) parameters2)(::func)); }\
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\
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inline operator type () const { return rpl (); } \
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} func = {}; \
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} \
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_GL_EXTERN_C int _gl_cxxalias_dummy
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#else
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|
166
lib/strftime.c
166
lib/strftime.c
@ -1,22 +1,22 @@
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/* Copyright (C) 1991-2001, 2003-2007, 2009-2016 Free Software Foundation, Inc.
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/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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NOTE: The canonical source of this file is maintained with the GNU C Library.
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Bugs can be reported to bug-glibc@prep.ai.mit.edu.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
|
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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The GNU C Library 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 General Public License for more details.
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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You should have received a copy of the GNU General Public
|
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifdef _LIBC
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# define USE_IN_EXTENDED_LOCALE_MODEL 1
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# define HAVE_STRUCT_ERA_ENTRY 1
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# define HAVE_TM_GMTOFF 1
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# define HAVE_TM_ZONE 1
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@ -63,10 +63,10 @@ extern char *tzname[];
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#endif
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#include <limits.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#ifdef COMPILE_WIDE
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# include <endian.h>
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@ -247,11 +247,11 @@ extern char *tzname[];
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# undef _NL_CURRENT
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# define _NL_CURRENT(category, item) \
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(current->values[_NL_ITEM_INDEX (item)].string)
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# define LOCALE_PARAM , __locale_t loc
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# define LOCALE_ARG , loc
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# define LOCALE_PARAM_PROTO , __locale_t loc
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# define HELPER_LOCALE_ARG , current
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#else
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# define LOCALE_PARAM_PROTO
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# define LOCALE_PARAM
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# define LOCALE_ARG
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# ifdef _LIBC
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# define HELPER_LOCALE_ARG , _NL_CURRENT_DATA (LC_TIME)
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@ -304,18 +304,22 @@ fwrite_uppcase (FILE *fp, const CHAR_T *src, size_t len)
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}
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}
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#else
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static CHAR_T *memcpy_lowcase (CHAR_T *dest, const CHAR_T *src,
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size_t len LOCALE_PARAM);
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static CHAR_T *
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memcpy_lowcase (CHAR_T *dest, const CHAR_T *src,
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size_t len LOCALE_PARAM_PROTO)
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memcpy_lowcase (CHAR_T *dest, const CHAR_T *src, size_t len LOCALE_PARAM)
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{
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while (len-- > 0)
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dest[len] = TOLOWER ((UCHAR_T) src[len], loc);
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return dest;
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}
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static CHAR_T *memcpy_uppcase (CHAR_T *dest, const CHAR_T *src,
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size_t len LOCALE_PARAM);
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static CHAR_T *
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memcpy_uppcase (CHAR_T *dest, const CHAR_T *src,
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size_t len LOCALE_PARAM_PROTO)
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memcpy_uppcase (CHAR_T *dest, const CHAR_T *src, size_t len LOCALE_PARAM)
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{
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while (len-- > 0)
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dest[len] = TOUPPER ((UCHAR_T) src[len], loc);
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@ -328,6 +332,7 @@ memcpy_uppcase (CHAR_T *dest, const CHAR_T *src,
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/* Yield the difference between *A and *B,
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measured in seconds, ignoring leap seconds. */
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# define tm_diff ftime_tm_diff
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static int tm_diff (const struct tm *, const struct tm *);
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static int
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tm_diff (const struct tm *a, const struct tm *b)
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{
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@ -359,6 +364,7 @@ tm_diff (const struct tm *a, const struct tm *b)
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#define ISO_WEEK_START_WDAY 1 /* Monday */
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#define ISO_WEEK1_WDAY 4 /* Thursday */
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#define YDAY_MINIMUM (-366)
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static int iso_week_days (int, int);
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#ifdef __GNUC__
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__inline__
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#endif
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@ -401,17 +407,41 @@ iso_week_days (int yday, int wday)
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# define ns 0
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#endif
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static size_t __strftime_internal (STREAM_OR_CHAR_T *, STRFTIME_ARG (size_t)
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const CHAR_T *, const struct tm *,
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bool, bool *
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extra_args_spec LOCALE_PARAM);
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/* Just like my_strftime, below, but with one more parameter, UPCASE,
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to indicate that the result should be converted to upper case. */
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/* Write information from TP into S according to the format
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string FORMAT, writing no more that MAXSIZE characters
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(including the terminating '\0') and returning number of
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characters written. If S is NULL, nothing will be written
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anywhere, so to determine how many characters would be
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written, use NULL for S and (size_t) -1 for MAXSIZE. */
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size_t
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my_strftime (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
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const CHAR_T *format,
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const struct tm *tp extra_args_spec LOCALE_PARAM)
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{
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bool tzset_called = false;
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return __strftime_internal (s, STRFTIME_ARG (maxsize) format, tp,
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false, &tzset_called extra_args LOCALE_ARG);
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}
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#if defined _LIBC && ! FPRINTFTIME
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libc_hidden_def (my_strftime)
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#endif
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/* Just like my_strftime, above, but with two more parameters.
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UPCASE indicate that the result should be converted to upper case,
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and *TZSET_CALLED indicates whether tzset has been called here. */
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static size_t
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strftime_case_ (bool upcase, STREAM_OR_CHAR_T *s,
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STRFTIME_ARG (size_t maxsize)
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const CHAR_T *format,
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const struct tm *tp extra_args_spec LOCALE_PARAM_PROTO)
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__strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
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||||
const CHAR_T *format,
|
||||
const struct tm *tp, bool upcase, bool *tzset_called
|
||||
extra_args_spec LOCALE_PARAM)
|
||||
{
|
||||
#if defined _LIBC && defined USE_IN_EXTENDED_LOCALE_MODEL
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||||
struct locale_data *const current = loc->__locales[LC_TIME];
|
||||
struct __locale_data *const current = loc->__locales[LC_TIME];
|
||||
#endif
|
||||
#if FPRINTFTIME
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size_t maxsize = (size_t) -1;
|
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@ -426,13 +456,17 @@ strftime_case_ (bool upcase, STREAM_OR_CHAR_T *s,
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only a few elements. Dereference the pointers only if the format
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requires this. Then it is ok to fail if the pointers are invalid. */
|
||||
# define a_wkday \
|
||||
((const CHAR_T *) _NL_CURRENT (LC_TIME, NLW(ABDAY_1) + tp->tm_wday))
|
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((const CHAR_T *) (tp->tm_wday < 0 || tp->tm_wday > 6 \
|
||||
? "?" : _NL_CURRENT (LC_TIME, NLW(ABDAY_1) + tp->tm_wday)))
|
||||
# define f_wkday \
|
||||
((const CHAR_T *) _NL_CURRENT (LC_TIME, NLW(DAY_1) + tp->tm_wday))
|
||||
((const CHAR_T *) (tp->tm_wday < 0 || tp->tm_wday > 6 \
|
||||
? "?" : _NL_CURRENT (LC_TIME, NLW(DAY_1) + tp->tm_wday)))
|
||||
# define a_month \
|
||||
((const CHAR_T *) _NL_CURRENT (LC_TIME, NLW(ABMON_1) + tp->tm_mon))
|
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((const CHAR_T *) (tp->tm_mon < 0 || tp->tm_mon > 11 \
|
||||
? "?" : _NL_CURRENT (LC_TIME, NLW(ABMON_1) + tp->tm_mon)))
|
||||
# define f_month \
|
||||
((const CHAR_T *) _NL_CURRENT (LC_TIME, NLW(MON_1) + tp->tm_mon))
|
||||
((const CHAR_T *) (tp->tm_mon < 0 || tp->tm_mon > 11 \
|
||||
? "?" : _NL_CURRENT (LC_TIME, NLW(MON_1) + tp->tm_mon)))
|
||||
# define ampm \
|
||||
((const CHAR_T *) _NL_CURRENT (LC_TIME, tp->tm_hour > 11 \
|
||||
? NLW(PM_STR) : NLW(AM_STR)))
|
||||
@ -482,16 +516,22 @@ strftime_case_ (bool upcase, STREAM_OR_CHAR_T *s,
|
||||
# if !HAVE_TM_ZONE
|
||||
/* Infer the zone name from *TZ instead of from TZNAME. */
|
||||
tzname_vec = tz->tzname_copy;
|
||||
# endif
|
||||
/* POSIX.1 requires that local time zone information be used as
|
||||
though strftime called tzset. */
|
||||
# if HAVE_TZSET
|
||||
tzset ();
|
||||
# endif
|
||||
}
|
||||
/* The tzset() call might have changed the value. */
|
||||
if (!(zone && *zone) && tp->tm_isdst >= 0)
|
||||
zone = tzname_vec[tp->tm_isdst != 0];
|
||||
{
|
||||
/* POSIX.1 requires that local time zone information be used as
|
||||
though strftime called tzset. */
|
||||
# if HAVE_TZSET
|
||||
if (!*tzset_called)
|
||||
{
|
||||
tzset ();
|
||||
*tzset_called = true;
|
||||
}
|
||||
# endif
|
||||
zone = tzname_vec[tp->tm_isdst != 0];
|
||||
}
|
||||
#endif
|
||||
if (! zone)
|
||||
zone = "";
|
||||
@ -801,14 +841,15 @@ strftime_case_ (bool upcase, STREAM_OR_CHAR_T *s,
|
||||
|
||||
subformat:
|
||||
{
|
||||
size_t len = strftime_case_ (to_uppcase,
|
||||
NULL, STRFTIME_ARG ((size_t) -1)
|
||||
subfmt,
|
||||
tp extra_args LOCALE_ARG);
|
||||
add (len, strftime_case_ (to_uppcase, p,
|
||||
STRFTIME_ARG (maxsize - i)
|
||||
subfmt,
|
||||
tp extra_args LOCALE_ARG));
|
||||
size_t len = __strftime_internal (NULL, STRFTIME_ARG ((size_t) -1)
|
||||
subfmt,
|
||||
tp, to_uppcase, tzset_called
|
||||
extra_args LOCALE_ARG);
|
||||
add (len, __strftime_internal (p,
|
||||
STRFTIME_ARG (maxsize - i)
|
||||
subfmt,
|
||||
tp, to_uppcase, tzset_called
|
||||
extra_args LOCALE_ARG));
|
||||
}
|
||||
break;
|
||||
|
||||
@ -845,8 +886,6 @@ strftime_case_ (bool upcase, STREAM_OR_CHAR_T *s,
|
||||
#endif
|
||||
|
||||
case L_('C'):
|
||||
if (modifier == L_('O'))
|
||||
goto bad_format;
|
||||
if (modifier == L_('E'))
|
||||
{
|
||||
#if HAVE_STRUCT_ERA_ENTRY
|
||||
@ -1115,6 +1154,10 @@ strftime_case_ (bool upcase, STREAM_OR_CHAR_T *s,
|
||||
goto underlying_strftime;
|
||||
#endif
|
||||
|
||||
case L_('q'): /* GNU extension. */
|
||||
DO_SIGNED_NUMBER (1, false, ((tp->tm_mon * 11) >> 5) + 1);
|
||||
break;
|
||||
|
||||
case L_('R'):
|
||||
subfmt = L_("%H:%M");
|
||||
goto subformat;
|
||||
@ -1364,6 +1407,16 @@ strftime_case_ (bool upcase, STREAM_OR_CHAR_T *s,
|
||||
struct tm ltm;
|
||||
time_t lt;
|
||||
|
||||
/* POSIX.1 requires that local time zone information be used as
|
||||
though strftime called tzset. */
|
||||
# if HAVE_TZSET
|
||||
if (!*tzset_called)
|
||||
{
|
||||
tzset ();
|
||||
*tzset_called = true;
|
||||
}
|
||||
# endif
|
||||
|
||||
ltm = *tp;
|
||||
lt = mktime_z (tz, <m);
|
||||
|
||||
@ -1444,22 +1497,3 @@ strftime_case_ (bool upcase, STREAM_OR_CHAR_T *s,
|
||||
|
||||
return i;
|
||||
}
|
||||
|
||||
/* Write information from TP into S according to the format
|
||||
string FORMAT, writing no more that MAXSIZE characters
|
||||
(including the terminating '\0') and returning number of
|
||||
characters written. If S is NULL, nothing will be written
|
||||
anywhere, so to determine how many characters would be
|
||||
written, use NULL for S and (size_t) -1 for MAXSIZE. */
|
||||
size_t
|
||||
my_strftime (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
|
||||
const CHAR_T *format,
|
||||
const struct tm *tp extra_args_spec LOCALE_PARAM_PROTO)
|
||||
{
|
||||
return strftime_case_ (false, s, STRFTIME_ARG (maxsize)
|
||||
format, tp extra_args LOCALE_ARG);
|
||||
}
|
||||
|
||||
#if defined _LIBC && ! FPRINTFTIME
|
||||
libc_hidden_def (my_strftime)
|
||||
#endif
|
||||
|
@ -109,6 +109,13 @@ _GL_CXXALIAS_SYS_CAST (gettimeofday, int,
|
||||
(struct timeval *restrict, void *restrict));
|
||||
# endif
|
||||
_GL_CXXALIASWARN (gettimeofday);
|
||||
# if defined __cplusplus && defined GNULIB_NAMESPACE
|
||||
namespace GNULIB_NAMESPACE {
|
||||
typedef ::timeval
|
||||
#undef timeval
|
||||
timeval;
|
||||
}
|
||||
# endif
|
||||
#elif defined GNULIB_POSIXCHECK
|
||||
# undef gettimeofday
|
||||
# if HAVE_RAW_DECL_GETTIMEOFDAY
|
||||
|
@ -62,10 +62,11 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC],
|
||||
CFLAGS="$CFLAGS -W -Werror"
|
||||
AC_COMPILE_IFELSE(
|
||||
[AC_LANG_PROGRAM(
|
||||
[[void f (void)
|
||||
[[int f (void)
|
||||
{
|
||||
typedef struct { int a; int b; } s_t;
|
||||
s_t s1 = { 0, };
|
||||
return s1.b;
|
||||
}
|
||||
]],
|
||||
[[]])],
|
||||
|
Loading…
Reference in New Issue
Block a user