diff options
| -rw-r--r-- | ChangeLog | 35 | ||||
| -rw-r--r-- | include/bits/libio.h | 45 | ||||
| -rw-r--r-- | include/stdio.h | 2 | ||||
| -rw-r--r-- | libio/bits/libio-ldbl.h | 29 | ||||
| -rw-r--r-- | libio/iolibio.h | 2 | ||||
| -rw-r--r-- | libio/libio.h (renamed from libio/bits/libio.h) | 96 | ||||
| -rw-r--r-- | libio/libioP.h | 2 |
7 files changed, 93 insertions, 118 deletions
@@ -1,5 +1,23 @@ 2018-02-07 Zack Weinberg <zackw@panix.com> + * libio/bits/libio.h: Move back to libio/libio.h and adjust + multiple-include guard to match. + Merge contents of libio/bits/libio-ldbl.h and include/libio.h + into this file. + Remove preprocessor conditionals that are always true and/or + redundant to other preprocessor conditionals in the same nest. + Include shlib-compat.h unconditionally. + Error out if _LIBC is not defined, or if _ISOMAC is defined, + or if _IO_MTSAFE_IO is defined but _IO_lock_t_defined is not + defined after including stdio.h. + Use __BEGIN_DECLS/__END_DECLS. + + * libio/bits/libio-ldbl.h, include/bits/libio.h: Delete file. + * include/stdio.h, libio/iolibio.h, libio/libioP.h: Include + libio.h as <libio/libio.h> rather than as <bits/libio.h>. + +2018-02-07 Zack Weinberg <zackw@panix.com> + * libio/bits/types/__fpos_t.h, libio/bits/types/__fpos64_t.h: New single-type headers split from _G_config.h. * libio/bits/types/cookie_io_functions_t.h @@ -22,14 +40,14 @@ and _IO_cookie_io_functions_t as cookie_io_functions_t. Define _STDIO_USES_IOSTREAM, __HAVE_COLUMN, and _IO_file_flags here, in the "compatibility defines" section. Remove an #if 0 - block. Use the "body" macros from bits/types/struct_FILE.h to + block. Use the "body" macros from bits/types/struct_FILE.h to define _IO_getc_unlocked, _IO_putc_unlocked, _IO_feof_unlocked, and _IO_ferror_unlocked. Move prototypes of __uflow and __overflow... * libio/stdio.h: ...here. Don't include bits/libio.h. Don't define _STDIO_USES_IOSTREAM. Get __gnuc_va_list - directly from stdarg.h. Include bits/types/__fpos_t.h, + directly from stdarg.h. Include bits/types/__fpos_t.h, bits/types/__fpos64_t.h, bits/types/struct_FILE.h, and, when __USE_GNU, bits/types/cookie_io_functions_t.h. Use __gnuc_va_list, not _G_va_list; __fpos_t, not _G_fpos_t; @@ -49,19 +67,18 @@ * libio/libioP.h: Add multiple-include guard. Include stdio.h and bits/libio.h before iolibio.h. - * include/bits/types/__fpos_t.h, include/bits/types/__fpos64_t.h + * include/bits/types/__fpos_t.h, include/bits/types/__fpos64_t.h * include/bits/types/cookie_io_functions_t.h * include/bits/types/struct_FILE.h: New wrappers. * bits/_G_config.h, sysdeps/unix/sysv/linux/_G_config.h: - Get definitions of _G_fpos_t and _G_fpos64_t from - bits/types/__fpos_t.h and bits/types/__fpos64_t.h - respectively. Remove improper-inclusion guards. + Get definitions of _G_fpos_t and _G_fpos64_t from + bits/types/__fpos_t.h and bits/types/__fpos64_t.h + respectively. Remove improper-inclusion guards. - * conform/data/stdio.h-data: Update expectations of va_list. + * conform/data/stdio.h-data: Update expectations of va_list. * scripts/check-installed-headers.sh: Remove special case for - libio.h and _G_config.h. - + libio.h and _G_config.h. 2018-02-07 Joseph Myers <joseph@codesourcery.com> diff --git a/include/bits/libio.h b/include/bits/libio.h deleted file mode 100644 index 572395d..0000000 --- a/include/bits/libio.h +++ /dev/null @@ -1,45 +0,0 @@ -#if !defined _ISOMAC && defined _IO_MTSAFE_IO -# include <stdio-lock.h> -#endif -#include <libio/bits/libio.h> - -#ifndef _ISOMAC -#ifndef _LIBC_LIBIO_H -#define _LIBC_LIBIO_H - -libc_hidden_proto (__overflow) -libc_hidden_proto (__underflow) -libc_hidden_proto (__uflow) -libc_hidden_proto (__woverflow) -libc_hidden_proto (__wunderflow) -libc_hidden_proto (__wuflow) -libc_hidden_proto (_IO_free_backup_area) -libc_hidden_proto (_IO_free_wbackup_area) -libc_hidden_proto (_IO_padn) -libc_hidden_proto (_IO_putc) -libc_hidden_proto (_IO_sgetn) -libc_hidden_proto (_IO_vfprintf) -libc_hidden_proto (_IO_vfscanf) - -#ifdef _IO_MTSAFE_IO -# undef _IO_peekc -# undef _IO_flockfile -# undef _IO_funlockfile -# undef _IO_ftrylockfile - -# define _IO_peekc(_fp) _IO_peekc_locked (_fp) -# if _IO_lock_inexpensive -# define _IO_flockfile(_fp) \ - if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_lock_lock (*(_fp)->_lock) -# define _IO_funlockfile(_fp) \ - if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_lock_unlock (*(_fp)->_lock) -# else -# define _IO_flockfile(_fp) \ - if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_flockfile (_fp) -# define _IO_funlockfile(_fp) \ - if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_funlockfile (_fp) -# endif -#endif /* _IO_MTSAFE_IO */ - -#endif -#endif diff --git a/include/stdio.h b/include/stdio.h index 3b6da17..f12b281 100644 --- a/include/stdio.h +++ b/include/stdio.h @@ -5,7 +5,7 @@ # include <libio/stdio.h> # ifndef _ISOMAC # define _LIBC_STDIO_H 1 -# include <bits/libio.h> +# include <libio/libio.h> /* Now define the internal interfaces. */ diff --git a/libio/bits/libio-ldbl.h b/libio/bits/libio-ldbl.h deleted file mode 100644 index aa39353..0000000 --- a/libio/bits/libio-ldbl.h +++ /dev/null @@ -1,29 +0,0 @@ -/* -mlong-double-64 compatibility mode for libio functions. - Copyright (C) 2006-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library 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. - - The GNU C Library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _BITS_LIBIO_LDBL_H -#define _BITS_LIBIO_LDBL_H 1 - -#ifndef _BITS_LIBIO_H -# error "Never include <bits/libio-ldbl.h> directly; use <libio.h> instead." -#endif - -__LDBL_REDIR_DECL (_IO_vfscanf) -__LDBL_REDIR_DECL (_IO_vfprintf) - -#endif diff --git a/libio/iolibio.h b/libio/iolibio.h index 7814b1d..52731b6 100644 --- a/libio/iolibio.h +++ b/libio/iolibio.h @@ -2,7 +2,7 @@ #define _IOLIBIO_H 1 #include <stdio.h> -#include <bits/libio.h> +#include <libio/libio.h> /* These emulate stdio functionality, but with a different name (_IO_ungetc instead of ungetc), and using _IO_FILE instead of FILE. */ diff --git a/libio/bits/libio.h b/libio/libio.h index cefc2c8..ff67e18 100644 --- a/libio/bits/libio.h +++ b/libio/libio.h @@ -25,11 +25,22 @@ This exception applies to code released by its copyright holders in files containing the exception. */ -#ifndef _BITS_LIBIO_H -#define _BITS_LIBIO_H 1 +#ifndef _LIBIO_H +#define _LIBIO_H 1 + +#ifndef _LIBC +# error "libio.h should only be included when building glibc itself" +#endif +#ifdef _ISOMAC +# error "libio.h should not be included under _ISOMAC" +#endif #include <stdio.h> +#if defined _IO_MTSAFE_IO && !defined _IO_lock_t_defined +# error "Someone forgot to include stdio-lock.h" +#endif + #include <bits/_G_config.h> /* ALL of these should be defined in _G_config.h */ #define _IO_fpos_t __fpos_t @@ -46,6 +57,10 @@ #define _IO_wint_t wint_t #define _IO_va_list __gnuc_va_list +#include <shlib-compat.h> + +__BEGIN_DECLS + /* compatibility defines */ #define _STDIO_USES_IOSTREAM #define _IO_UNIFIED_JUMPTABLES 1 @@ -143,7 +158,6 @@ enum __codecvt_result __codecvt_noconv }; -#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T /* The order of the elements in the following struct must match the order of the virtual functions in the libstdc++ codecvt class. */ struct _IO_codecvt @@ -198,7 +212,6 @@ struct _IO_wide_data const struct _IO_jump_t *_wide_vtable; }; -#endif #ifndef __cplusplus @@ -236,17 +249,10 @@ extern void _IO_cookie_init (struct _IO_cookie_file *__cfile, int __read_write, void *__cookie, _IO_cookie_io_functions_t __fns); #endif - -#ifdef __cplusplus -extern "C" { -#endif - extern int __underflow (_IO_FILE *); -#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T extern _IO_wint_t __wunderflow (_IO_FILE *); extern _IO_wint_t __wuflow (_IO_FILE *); extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t); -#endif #if __GNUC__ >= 3 # define _IO_BE(expr, res) __builtin_expect ((expr), res) @@ -261,7 +267,6 @@ extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t); : *(unsigned char *) (_fp)->_IO_read_ptr) #define _IO_putc_unlocked(_ch, _fp) __putc_unlocked_body (_ch, _fp) -#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T # define _IO_getwc_unlocked(_fp) \ (_IO_BE ((_fp)->_wide_data == NULL \ || ((_fp)->_wide_data->_IO_read_ptr \ @@ -273,7 +278,6 @@ extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t); >= (_fp)->_wide_data->_IO_write_end), 0) \ ? __woverflow (_fp, _wch) \ : (_IO_wint_t) (*(_fp)->_wide_data->_IO_write_ptr++ = (_wch))) -#endif #define _IO_feof_unlocked(_fp) __feof_unlocked_body (_fp) #define _IO_ferror_unlocked(_fp) __ferror_unlocked_body (_fp) @@ -319,28 +323,25 @@ extern _IO_off64_t _IO_seekpos (_IO_FILE *, _IO_off64_t, int); extern void _IO_free_backup_area (_IO_FILE *) __THROW; -#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T + extern _IO_wint_t _IO_getwc (_IO_FILE *__fp); extern _IO_wint_t _IO_putwc (wchar_t __wc, _IO_FILE *__fp); extern int _IO_fwide (_IO_FILE *__fp, int __mode) __THROW; -# if __GNUC__ >= 2 + /* While compiling glibc we have to handle compatibility with very old versions. */ -# if defined _LIBC && defined SHARED -# include <shlib-compat.h> -# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1) -# define _IO_fwide_maybe_incompatible \ +#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1) +# define _IO_fwide_maybe_incompatible \ (__builtin_expect (&_IO_stdin_used == NULL, 0)) extern const int _IO_stdin_used; weak_extern (_IO_stdin_used); -# endif -# endif -# ifndef _IO_fwide_maybe_incompatible -# define _IO_fwide_maybe_incompatible (0) -# endif +#else +# define _IO_fwide_maybe_incompatible (0) +#endif + /* A special optimized version of the function above. It optimizes the case of initializing an unoriented byte stream. */ -# define _IO_fwide(__fp, __mode) \ +#define _IO_fwide(__fp, __mode) \ ({ int __result = (__mode); \ if (__result < 0 && ! _IO_fwide_maybe_incompatible) \ { \ @@ -354,7 +355,6 @@ weak_extern (_IO_stdin_used); else \ __result = _IO_fwide (__fp, __result); \ __result; }) -# endif extern int _IO_vfwscanf (_IO_FILE * __restrict, const wchar_t * __restrict, _IO_va_list, int *__restrict); @@ -362,14 +362,46 @@ extern int _IO_vfwprintf (_IO_FILE *__restrict, const wchar_t *__restrict, _IO_va_list); extern _IO_ssize_t _IO_wpadn (_IO_FILE *, wint_t, _IO_ssize_t); extern void _IO_free_wbackup_area (_IO_FILE *) __THROW; -#endif #ifdef __LDBL_COMPAT -# include <bits/libio-ldbl.h> +__LDBL_REDIR_DECL (_IO_vfscanf) +__LDBL_REDIR_DECL (_IO_vfprintf) #endif -#ifdef __cplusplus -} -#endif +libc_hidden_proto (__overflow) +libc_hidden_proto (__underflow) +libc_hidden_proto (__uflow) +libc_hidden_proto (__woverflow) +libc_hidden_proto (__wunderflow) +libc_hidden_proto (__wuflow) +libc_hidden_proto (_IO_free_backup_area) +libc_hidden_proto (_IO_free_wbackup_area) +libc_hidden_proto (_IO_padn) +libc_hidden_proto (_IO_putc) +libc_hidden_proto (_IO_sgetn) +libc_hidden_proto (_IO_vfprintf) +libc_hidden_proto (_IO_vfscanf) + +#ifdef _IO_MTSAFE_IO +# undef _IO_peekc +# undef _IO_flockfile +# undef _IO_funlockfile +# undef _IO_ftrylockfile + +# define _IO_peekc(_fp) _IO_peekc_locked (_fp) +# if _IO_lock_inexpensive +# define _IO_flockfile(_fp) \ + if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_lock_lock (*(_fp)->_lock) +# define _IO_funlockfile(_fp) \ + if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_lock_unlock (*(_fp)->_lock) +# else +# define _IO_flockfile(_fp) \ + if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_flockfile (_fp) +# define _IO_funlockfile(_fp) \ + if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_funlockfile (_fp) +# endif +#endif /* _IO_MTSAFE_IO */ + +__END_DECLS -#endif /* _BITS_LIBIO_H */ +#endif /* _LIBIO_H */ diff --git a/libio/libioP.h b/libio/libioP.h index ac66f95..8edc207 100644 --- a/libio/libioP.h +++ b/libio/libioP.h @@ -43,7 +43,7 @@ #include <math_ldbl_opt.h> #include <stdio.h> -#include <bits/libio.h> +#include <libio/libio.h> #include "iolibio.h" #ifdef __cplusplus |