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libio: Assume _LIBC, weak_alias, errno, (__set_)errno &c are defined

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Do not define _POSIX_SOURCE.
This commit is contained in:
Florian Weimer
2017-08-31 14:07:23 +02:00
parent 5129873a8e
commit 5f0704b66c
48 changed files with 166 additions and 751 deletions
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88
libio/libioP.h
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@ -35,31 +35,12 @@
#include <stddef.h>
#include <errno.h>
#ifndef __set_errno
# define __set_errno(Val) errno = (Val)
#endif
#if defined __GLIBC__ && __GLIBC__ >= 2
# include <libc-lock.h>
#else
/*# include <comthread.h>*/
#endif
#include <libc-lock.h>
#include <math_ldbl_opt.h>
#include "iolibio.h"
/* Control of exported symbols. Used in glibc. By default we don't
do anything. */
#ifndef libc_hidden_proto
# define libc_hidden_proto(name)
#endif
#ifndef libc_hidden_def
# define libc_hidden_def(name)
#endif
#ifndef libc_hidden_weak
# define libc_hidden_weak(name)
#endif
#ifdef __cplusplus
extern "C" {
#endif
@ -89,14 +70,12 @@ extern "C" {
* object being acted on (i.e. the 'this' parameter).
*/
#ifdef _LIBC
# include <shlib-compat.h>
# if !SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
/* Setting this macro disables the use of the _vtable_offset
bias in _IO_JUMPS_FUNCS, below. That is only needed if we
want to support old binaries (see oldfileops.c). */
# define _G_IO_NO_BACKWARD_COMPAT 1
# endif
#include <shlib-compat.h>
#if !SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
/* Setting this macro disables the use of the _vtable_offset bias in
_IO_JUMPS_FUNCS, below. That is only needed if we want to
support old binaries (see oldfileops.c). */
# define _G_IO_NO_BACKWARD_COMPAT 1
#endif
#if (!defined _IO_USE_OLD_IO_FILE \
@ -524,19 +503,13 @@ extern int _IO_old_fsetpos64 (_IO_FILE *, const _IO_fpos64_t *);
extern void _IO_old_init (_IO_FILE *fp, int flags) __THROW;
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
# define _IO_do_flush(_f) \
#define _IO_do_flush(_f) \
((_f)->_mode <= 0 \
? _IO_do_write(_f, (_f)->_IO_write_base, \
(_f)->_IO_write_ptr-(_f)->_IO_write_base) \
: _IO_wdo_write(_f, (_f)->_wide_data->_IO_write_base, \
((_f)->_wide_data->_IO_write_ptr \
- (_f)->_wide_data->_IO_write_base)))
#else
# define _IO_do_flush(_f) \
_IO_do_write(_f, (_f)->_IO_write_base, \
(_f)->_IO_write_ptr-(_f)->_IO_write_base)
#endif
#define _IO_old_do_flush(_f) \
_IO_old_do_write(_f, (_f)->_IO_write_base, \
(_f)->_IO_write_ptr-(_f)->_IO_write_base)
@ -719,18 +692,6 @@ extern _IO_off64_t _IO_seekpos_unlocked (_IO_FILE *, _IO_off64_t, int)
#ifndef EOF
# define EOF (-1)
#endif
#ifndef NULL
# if defined __GNUG__ && \
(__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8))
# define NULL (__null)
# else
# if !defined(__cplusplus)
# define NULL ((void*)0)
# else
# define NULL (0)
# endif
# endif
#endif
#if _G_HAVE_MMAP
@ -750,19 +711,6 @@ extern _IO_off64_t _IO_seekpos_unlocked (_IO_FILE *, _IO_off64_t, int)
#endif /* _G_HAVE_MMAP */
#if _G_HAVE_MMAP
# ifdef _LIBC
/* When using this code in the GNU libc we must not pollute the name space. */
# define mmap __mmap
# define munmap __munmap
# define ftruncate __ftruncate
# endif
#endif /* _G_HAVE_MMAP */
#ifndef OS_FSTAT
# define OS_FSTAT fstat
#endif
extern int _IO_vscanf (const char *, _IO_va_list) __THROW;
/* _IO_pos_BAD is an _IO_off64_t value indicating error, unknown, or EOF. */
@ -790,19 +738,11 @@ extern int _IO_vscanf (const char *, _IO_va_list) __THROW;
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (_IO_FILE *) CHAIN, FD, \
0, _IO_pos_BAD, 0, 0, { 0 }, &_IO_stdfile_##FD##_lock }
# else
# if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
# define FILEBUF_LITERAL(CHAIN, FLAGS, FD, WDP) \
# define FILEBUF_LITERAL(CHAIN, FLAGS, FD, WDP) \
{ _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+FLAGS, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (_IO_FILE *) CHAIN, FD, \
0, _IO_pos_BAD, 0, 0, { 0 }, &_IO_stdfile_##FD##_lock, _IO_pos_BAD,\
NULL, WDP, 0 }
# else
# define FILEBUF_LITERAL(CHAIN, FLAGS, FD, WDP) \
{ _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+FLAGS, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (_IO_FILE *) CHAIN, FD, \
0, _IO_pos_BAD, 0, 0, { 0 }, &_IO_stdfile_##FD##_lock, _IO_pos_BAD,\
0 }
# endif
# endif
#else
# ifdef _IO_USE_OLD_IO_FILE
@ -811,19 +751,11 @@ extern int _IO_vscanf (const char *, _IO_va_list) __THROW;
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (_IO_FILE *) CHAIN, FD, \
0, _IO_pos_BAD }
# else
# if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
# define FILEBUF_LITERAL(CHAIN, FLAGS, FD, WDP) \
# define FILEBUF_LITERAL(CHAIN, FLAGS, FD, WDP) \
{ _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+FLAGS, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (_IO_FILE *) CHAIN, FD, \
0, _IO_pos_BAD, 0, 0, { 0 }, 0, _IO_pos_BAD, \
NULL, WDP, 0 }
# else
# define FILEBUF_LITERAL(CHAIN, FLAGS, FD, WDP) \
{ _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+FLAGS, \
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (_IO_FILE *) CHAIN, FD, \
0, _IO_pos_BAD, 0, 0, { 0 }, 0, _IO_pos_BAD, \
0 }
# endif
# endif
#endif