mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-26 20:51:11 +00:00
76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
/* Copyright (C) 1993, 1997, 1998, 1999 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA.
|
|
|
|
As a special exception, if you link the code in this file with
|
|
files compiled with a GNU compiler to produce an executable,
|
|
that does not cause the resulting executable to be covered by
|
|
the GNU Lesser General Public License. This exception does not
|
|
however invalidate any other reasons why the executable file
|
|
might be covered by the GNU Lesser General Public License.
|
|
This exception applies to code released by its copyright holders
|
|
in files containing the exception. */
|
|
|
|
#include <libio.h>
|
|
#ifdef TODO
|
|
Merge into libio.h ?
|
|
#endif
|
|
|
|
typedef void *(*_IO_alloc_type) (_IO_size_t);
|
|
typedef void (*_IO_free_type) (void*);
|
|
|
|
struct _IO_str_fields
|
|
{
|
|
_IO_alloc_type _allocate_buffer;
|
|
_IO_free_type _free_buffer;
|
|
};
|
|
|
|
/* This is needed for the Irix6 N32 ABI, which has a 64 bit off_t type,
|
|
but a 32 bit pointer type. In this case, we get 4 bytes of padding
|
|
after the vtable pointer. Putting them in a structure together solves
|
|
this problem. */
|
|
|
|
struct _IO_streambuf
|
|
{
|
|
struct _IO_FILE _f;
|
|
const void *_vtable;
|
|
};
|
|
|
|
typedef struct _IO_strfile_
|
|
{
|
|
struct _IO_streambuf _sbf;
|
|
struct _IO_str_fields _s;
|
|
} _IO_strfile;
|
|
|
|
/* dynamic: set when the array object is allocated (or reallocated) as
|
|
necessary to hold a character sequence that can change in length. */
|
|
#define _IO_STR_DYNAMIC(FP) ((FP)->_s._allocate_buffer != (_IO_alloc_type)0)
|
|
|
|
/* frozen: set when the program has requested that the array object not
|
|
be altered, reallocated, or freed. */
|
|
#define _IO_STR_FROZEN(FP) ((FP)->_f._IO_file_flags & _IO_USER_BUF)
|
|
|
|
typedef struct
|
|
{
|
|
_IO_strfile f;
|
|
/* This is used for the characters which do not fit in the buffer
|
|
provided by the user. */
|
|
char overflow_buf[64];
|
|
} _IO_strnfile;
|
|
|
|
extern const struct _IO_jump_t _IO_strn_jumps attribute_hidden;
|