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Diffstat (limited to 'REORG.TODO/libio/strfile.h')
-rw-r--r-- | REORG.TODO/libio/strfile.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/REORG.TODO/libio/strfile.h b/REORG.TODO/libio/strfile.h new file mode 100644 index 0000000000..74bd4eb269 --- /dev/null +++ b/REORG.TODO/libio/strfile.h @@ -0,0 +1,85 @@ +/* Copyright (C) 1993-2017 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/>. + + 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 struct _IO_jump_t *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; + + +typedef struct +{ + _IO_strfile f; + /* This is used for the characters which do not fit in the buffer + provided by the user. */ + wchar_t overflow_buf[64]; +} _IO_wstrnfile; + +extern const struct _IO_jump_t _IO_wstrn_jumps attribute_hidden; |