stdalign.in.h

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Hash : 341111f6
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Date : 2012-02-09T21:39:05

maint: replace FSF snail-mail addresses with URLs

* config/argz.mk, lib/accept4.c, lib/alignof.h, lib/alloca.in.h:
* lib/alphasort.c, lib/arcfour.c, lib/arcfour.h, lib/arctwo.c:
* lib/arctwo.h, lib/argz.c, lib/arpa_inet.in.h, lib/asnprintf.c:
* lib/asprintf.c, lib/assert.in.h, lib/base32.c, lib/base32.h:
* lib/base64.c, lib/base64.h, lib/c-ctype.c, lib/c-ctype.h:
* lib/c-strcase.h, lib/c-strcasecmp.c, lib/c-strncasecmp.c:
* lib/check-version.c, lib/check-version.h, lib/config.charset:
* lib/ctype.in.h, lib/des.c, lib/des.h, lib/dup3.c, lib/errno.in.h:
* lib/float+.h, lib/fnmatch.c, lib/fnmatch.in.h, lib/fnmatch_loop.c:
* lib/fseeko.c, lib/gai_strerror.c, lib/gc-gnulib.c:
* lib/gc-libgcrypt.c, lib/gc-pbkdf2-sha1.c, lib/gc.h:
* lib/getaddrinfo.c, lib/getdelim.c, lib/getfilecon.c, lib/getline.c:
* lib/getlogin_r.c, lib/getpass.c, lib/getpass.h, lib/gettext.h:
* lib/gettimeofday.c, lib/glob.in.h, lib/glthread/cond.c:
* lib/glthread/cond.h, lib/glthread/lock.c, lib/glthread/lock.h:
* lib/glthread/thread.c, lib/glthread/thread.h:
* lib/glthread/threadlib.c, lib/glthread/yield.h, lib/hmac-md5.c:
* lib/hmac-sha1.c, lib/hmac.h, lib/iconv.c, lib/iconv.in.h:
* lib/iconv_close.c, lib/iconv_open.c, lib/inet_ntop.c, lib/isfinite.c:
* lib/isinf.c, lib/iswblank.c, lib/langinfo.in.h, lib/link.c:
* lib/localcharset.c, lib/localcharset.h, lib/lseek.c, lib/malloc.c:
* lib/malloca.c, lib/malloca.h, lib/md2.c, lib/md2.h, lib/md4.c:
* lib/md4.h, lib/md5.c, lib/md5.h, lib/memmem.c, lib/mempcpy.c:
* lib/memset.c, lib/memxor.c, lib/memxor.h, lib/minmax.h, lib/mktime.c:
* lib/msvc-inval.c, lib/msvc-inval.h, lib/msvc-nothrow.c:
* lib/msvc-nothrow.h, lib/netdb.in.h, lib/netinet_in.in.h, lib/nproc.c:
* lib/nproc.h, lib/obstack_printf.c, lib/pathmax.h, lib/pipe.c:
* lib/pipe2.c, lib/poll.c, lib/poll.in.h, lib/printf-args.c:
* lib/printf-args.h, lib/printf-parse.c, lib/printf-parse.h:
* lib/pselect.c, lib/pthread.in.h, lib/pty-private.h, lib/pty.in.h:
* lib/read-file.c, lib/read-file.h, lib/ref-add.sin, lib/ref-del.sin:
* lib/regcomp.c, lib/regex.c, lib/regex.h, lib/regex_internal.c:
* lib/regex_internal.h, lib/regexec.c, lib/rijndael-alg-fst.c:
* lib/rijndael-alg-fst.h, lib/rijndael-api-fst.c:
* lib/rijndael-api-fst.h, lib/rint.c, lib/rintf.c, lib/rintl.c:
* lib/round.c, lib/roundf.c, lib/roundl.c, lib/scandir.c, lib/select.c:
* lib/sha1.c, lib/sha1.h, lib/size_max.h, lib/snprintf.c:
* lib/stdalign.in.h, lib/stdarg.in.h, lib/stdbool.in.h:
* lib/stddef.in.h, lib/stdint.in.h, lib/stdio.in.h, lib/str-kmp.h:
* lib/str-two-way.h, lib/strcasecmp.c, lib/strcasestr.c, lib/strdup.c:
* lib/striconv.c, lib/striconv.h, lib/string.in.h, lib/strings.in.h:
* lib/strncasecmp.c, lib/strndup.c, lib/strnlen.c, lib/strpbrk.c:
* lib/strptime.c, lib/strsep.c, lib/strstr.c, lib/strverscmp.c:
* lib/sys_file.in.h, lib/sys_ioctl.in.h, lib/sys_select.in.h:
* lib/sys_socket.in.h, lib/sys_stat.in.h, lib/sys_time.in.h:
* lib/sys_times.in.h, lib/sys_types.in.h, lib/sys_uio.in.h:
* lib/sys_utsname.in.h, lib/sys_wait.in.h, lib/tcgetsid.c:
* lib/termios.in.h, lib/time.in.h, lib/time_r.c, lib/timegm.c:
* lib/times.c, lib/unictype/3level.h, lib/unictype/3levelbit.h:
* lib/unistd.in.h, lib/vasnprintf.c, lib/vasnprintf.h, lib/vasprintf.c:
* lib/vsnprintf.c, lib/waitpid.c, lib/wchar.in.h, lib/wctype.in.h:
* lib/xsize.h, tests/test-closein.c, tests/test-des.c:
* tests/test-fclose.c, tests/test-fgetc.c, tests/test-filevercmp.c:
* tests/test-fputc.c, tests/test-fread.c, tests/test-fwrite.c:
* tests/test-gc-arcfour.c, tests/test-gc-arctwo.c, tests/test-gc-des.c:
* tests/test-gc-hmac-md5.c, tests/test-gc-hmac-sha1.c:
* tests/test-gc-md2.c, tests/test-gc-md4.c, tests/test-gc-md5.c:
* tests/test-gc-pbkdf2-sha1.c, tests/test-gc-rijndael.c:
* tests/test-gc-sha1.c, tests/test-gc.c, tests/test-getdelim.c:
* tests/test-getline.c, tests/test-getndelim2.c, tests/test-md2.c:
* tests/test-md4.c, tests/test-parse-datetime.c, tests/test-perror.c:
* tests/test-perror2.c, tests/test-pipe.c, tests/test-pipe2.c:
* tests/test-poll.c, tests/test-quotearg-simple.c:
* tests/test-quotearg.c, tests/test-quotearg.h:
* tests/test-round-ieee.c, tests/test-round1.c:
* tests/test-roundf-ieee.c, tests/test-roundf1.c:
* tests/test-roundl-ieee.c, tests/test-roundl.c:
* tests/test-safe-alloc.c, tests/test-sigpipe.c:
* tests/test-spawn-pipe-child.c, tests/test-spawn-pipe-main.c:
* tests/test-strerror.c, tests/test-strerror_r.c:
* tests/test-strsignal.c, tests/test-strverscmp.c:
* tests/test-xmemdup0.c:
Replace FSF snail mail addresses with URLs, as per GNU coding
standards.  See glibc bug
<http://sourceware.org/bugzilla/show_bug.cgi?id=13673>.

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lib/stdalign.in.h

/* A substitute for ISO C11 <stdalign.h>.

   Copyright 2011-2012 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 2, 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, see <http://www.gnu.org/licenses/>.  */

/* Written by Paul Eggert and Bruno Haible.  */

#ifndef _GL_STDALIGN_H
#define _GL_STDALIGN_H

/* ISO C11 <stdalign.h> for platforms that lack it.

   References:
   ISO C11 (latest free draft
   <http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf>)
   sections 6.5.3.4, 6.7.5, 7.15.
   C++11 (latest free draft
   <http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3242.pdf>)
   section 18.10. */

/* alignof (TYPE), also known as _Alignof (TYPE), yields the alignment
   requirement of a structure member (i.e., slot or field) that is of
   type TYPE, as an integer constant expression.

   This differs from GCC's __alignof__ operator, which can yield a
   better-performing alignment for an object of that type.  For
   example, on x86 with GCC, __alignof__ (double) and __alignof__
   (long long) are 8, whereas alignof (double) and alignof (long long)
   are 4 unless the option '-malign-double' is used.

   The result cannot be used as a value for an 'enum' constant, if you
   want to be portable to HP-UX 10.20 cc and AIX 3.2.5 xlc.  */
#include <stddef.h>
#if defined __cplusplus
   template <class __t> struct __alignof_helper { char __a; __t __b; };
# define _Alignof(type) offsetof (__alignof_helper<type>, __b)
#else
# define _Alignof(type) offsetof (struct { char __a; type __b; }, __b)
#endif
#define alignof _Alignof
#define __alignof_is_defined 1

/* alignas (A), also known as _Alignas (A), aligns a variable or type
   to the alignment A, where A is an integer constant expression.  For
   example:

      int alignas (8) foo;
      struct s { int a; int alignas (8) bar; };

   aligns the address of FOO and the offset of BAR to be multiples of 8.

   A should be a power of two that is at least the type's alignment
   and at most the implementation's alignment limit.  This limit is
   2**28 on typical GNUish hosts, and 2**13 on MSVC.  To be portable
   to MSVC through at least version 10.0, A should be an integer
   constant, as MSVC does not support expressions such as 1 << 3.
   To be portable to Sun C 5.11, do not align auto variables to
   anything stricter than their default alignment.

   The following C11 requirements are not supported here:

     - If A is zero, alignas has no effect.
     - alignas can be used multiple times; the strictest one wins.
     - alignas (TYPE) is equivalent to alignas (alignof (TYPE)).

   */

#if __GNUC__ || __IBMC__ || __IBMCPP__ || 0x5110 <= __SUNPRO_C
# define _Alignas(a) __attribute__ ((__aligned__ (a)))
#elif 1300 <= _MSC_VER
# define _Alignas(a) __declspec (align (a))
#endif
#ifdef _Alignas
# define alignas _Alignas
# define __alignas_is_defined 1
#endif

#endif /* _GL_STDALIGN_H */

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lib/stdalign.in.h