mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-05 21:00:05 +00:00
0469311e87
2002-01-07 Ulrich Drepper <drepper@redhat.com> * libio/fileops.c (_IO_file_underflow_mmap): New function. (_IO_file_close_mmap): New function. (_IO_file_jumps_mmap): New variable. * libio/wfileops.c (_IO_wfile_underflow): Reset read pointer before trying to convert rest of byte buffer. (_IO_wfile_underflow_mmap): New function. (_IO_wfile_jumps_mmap): New variable. * libio/iofopen.c (__fopen_maybe_mmap): New function. (__fopen_internal): New function. Split out from _IO_new_fopen. (_IO_new_fopen): Call __fopen_internal. * libio/iofopen64.c: Just call __fopen_internal. * libio/iofdopen.c: Call __fopen_maybe_mmap before returning successfully. * libio/iolibio.h: Declare __fopen_internal and __fopen_maybe_mmap. * libio/libioP.h: Declare _IO_file_jumps_mmap, _IO_wfile_jumps_mmap, _IO_file_close_mmap. * sysdeps/gnu/_G_config.h: Define _G_MMAP64. * sysdeps/unix/sysv/linux/cris/_G_config.h: Likewise. * stdio-common/Makefile (tests): Add tst-rndseek. * stdio-common/tst-rndseek.c: New file.
107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
/* This file is needed by libio to define various configuration parameters.
|
|
These are always the same in the GNU C library. */
|
|
|
|
/* We have to keep a separate copy for CRIS, because we don't use thunks,
|
|
and libstdc++-v2 (which we currently use) cares. The C++ ABI is
|
|
changed totally with GCC 3.0, where we should not need a separate file. */
|
|
|
|
#ifndef _G_config_h
|
|
#define _G_config_h 1
|
|
|
|
/* Define types for libio in terms of the standard internal type names. */
|
|
|
|
#include <bits/types.h>
|
|
#define __need_size_t
|
|
#define __need_wchar_t
|
|
#define __need_wint_t
|
|
#define __need_NULL
|
|
#include <stddef.h>
|
|
#ifndef _WINT_T
|
|
/* Integral type unchanged by default argument promotions that can
|
|
hold any value corresponding to members of the extended character
|
|
set, as well as at least one value that does not correspond to any
|
|
member of the extended character set. */
|
|
# define _WINT_T
|
|
typedef unsigned int wint_t;
|
|
#endif
|
|
#define __need_mbstate_t
|
|
#include <wchar.h>
|
|
#define _G_size_t size_t
|
|
typedef struct
|
|
{
|
|
__off_t __pos;
|
|
__mbstate_t __state;
|
|
} _G_fpos_t;
|
|
typedef struct
|
|
{
|
|
__off64_t __pos;
|
|
__mbstate_t __state;
|
|
} _G_fpos64_t;
|
|
#define _G_ssize_t __ssize_t
|
|
#define _G_off_t __off_t
|
|
#define _G_off64_t __off64_t
|
|
#define _G_pid_t __pid_t
|
|
#define _G_uid_t __uid_t
|
|
#define _G_wchar_t wchar_t
|
|
#define _G_wint_t wint_t
|
|
#define _G_stat64 stat64
|
|
#include <gconv.h>
|
|
typedef union
|
|
{
|
|
struct __gconv_info __cd;
|
|
struct
|
|
{
|
|
struct __gconv_info __cd;
|
|
struct __gconv_step_data __data;
|
|
} __combined;
|
|
} _G_iconv_t;
|
|
|
|
typedef int _G_int16_t __attribute__ ((__mode__ (__HI__)));
|
|
typedef int _G_int32_t __attribute__ ((__mode__ (__SI__)));
|
|
typedef unsigned int _G_uint16_t __attribute__ ((__mode__ (__HI__)));
|
|
typedef unsigned int _G_uint32_t __attribute__ ((__mode__ (__SI__)));
|
|
|
|
#define _G_HAVE_BOOL 1
|
|
|
|
|
|
/* These library features are always available in the GNU C library. */
|
|
#define _G_HAVE_ATEXIT 1
|
|
#define _G_HAVE_SYS_CDEFS 1
|
|
#define _G_HAVE_SYS_WAIT 1
|
|
#define _G_NEED_STDARG_H 1
|
|
#define _G_va_list __gnuc_va_list
|
|
|
|
#define _G_HAVE_PRINTF_FP 1
|
|
#define _G_HAVE_MMAP 1
|
|
#define _G_HAVE_LONG_DOUBLE_IO 1
|
|
#define _G_HAVE_IO_FILE_OPEN 1
|
|
#define _G_HAVE_IO_GETLINE_INFO 1
|
|
|
|
#define _G_IO_IO_FILE_VERSION 0x20001
|
|
|
|
#define _G_OPEN64 __open64
|
|
#define _G_LSEEK64 __lseek64
|
|
#define _G_MMAP64 __mmap64
|
|
#define _G_FSTAT64(fd,buf) __fxstat64 (_STAT_VER, fd, buf)
|
|
|
|
/* This is defined by <bits/stat.h> if `st_blksize' exists. */
|
|
#define _G_HAVE_ST_BLKSIZE defined (_STATBUF_ST_BLKSIZE)
|
|
|
|
#define _G_BUFSIZ 8192
|
|
|
|
/* These are the vtbl details for ELF. */
|
|
#define _G_NAMES_HAVE_UNDERSCORE 0
|
|
#define _G_VTABLE_LABEL_HAS_LENGTH 1
|
|
#undef _G_USING_THUNKS
|
|
#define _G_VTABLE_LABEL_PREFIX "_vt."
|
|
#define _G_VTABLE_LABEL_PREFIX_ID _vt.
|
|
|
|
|
|
#if defined __cplusplus || defined __STDC__
|
|
# define _G_ARGS(ARGLIST) ARGLIST
|
|
#else
|
|
# define _G_ARGS(ARGLIST) ()
|
|
#endif
|
|
|
|
#endif /* _G_config.h */
|