diff options
Diffstat (limited to 'libio/bits/types')
| -rw-r--r-- | libio/bits/types/FILE.h | 9 | ||||
| -rw-r--r-- | libio/bits/types/__FILE.h | 7 | ||||
| -rw-r--r-- | libio/bits/types/__fpos64_t.h | 16 | ||||
| -rw-r--r-- | libio/bits/types/__fpos_t.h | 16 | ||||
| -rw-r--r-- | libio/bits/types/cookie_io_functions_t.h | 63 | ||||
| -rw-r--r-- | libio/bits/types/struct_FILE.h | 120 |
6 files changed, 231 insertions, 0 deletions
diff --git a/libio/bits/types/FILE.h b/libio/bits/types/FILE.h new file mode 100644 index 0000000000..f268263209 --- /dev/null +++ b/libio/bits/types/FILE.h @@ -0,0 +1,9 @@ +#ifndef __FILE_defined +#define __FILE_defined 1 + +struct _IO_FILE; + +/* The opaque type of streams. This is the definition used elsewhere. */ +typedef struct _IO_FILE FILE; + +#endif diff --git a/libio/bits/types/__FILE.h b/libio/bits/types/__FILE.h new file mode 100644 index 0000000000..06dd79bc83 --- /dev/null +++ b/libio/bits/types/__FILE.h @@ -0,0 +1,7 @@ +#ifndef ____FILE_defined +#define ____FILE_defined 1 + +struct _IO_FILE; +typedef struct _IO_FILE __FILE; + +#endif diff --git a/libio/bits/types/__fpos64_t.h b/libio/bits/types/__fpos64_t.h new file mode 100644 index 0000000000..06a6891154 --- /dev/null +++ b/libio/bits/types/__fpos64_t.h @@ -0,0 +1,16 @@ +#ifndef _____fpos64_t_defined +#define _____fpos64_t_defined 1 + +#include <bits/types.h> +#include <bits/types/__mbstate_t.h> + +/* The tag name of this struct is _G_fpos64_t to preserve historic + C++ mangled names for functions taking fpos_t and/or fpos64_t + arguments. That name should not be used in new code. */ +typedef struct _G_fpos64_t +{ + __off64_t __pos; + __mbstate_t __state; +} __fpos64_t; + +#endif diff --git a/libio/bits/types/__fpos_t.h b/libio/bits/types/__fpos_t.h new file mode 100644 index 0000000000..bb04576651 --- /dev/null +++ b/libio/bits/types/__fpos_t.h @@ -0,0 +1,16 @@ +#ifndef _____fpos_t_defined +#define _____fpos_t_defined 1 + +#include <bits/types.h> +#include <bits/types/__mbstate_t.h> + +/* The tag name of this struct is _G_fpos_t to preserve historic + C++ mangled names for functions taking fpos_t arguments. + That name should not be used in new code. */ +typedef struct _G_fpos_t +{ + __off_t __pos; + __mbstate_t __state; +} __fpos_t; + +#endif diff --git a/libio/bits/types/cookie_io_functions_t.h b/libio/bits/types/cookie_io_functions_t.h new file mode 100644 index 0000000000..a6d9d39a47 --- /dev/null +++ b/libio/bits/types/cookie_io_functions_t.h @@ -0,0 +1,63 @@ +/* Copyright (C) 1991-2018 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 __cookie_io_functions_t_defined +#define __cookie_io_functions_t_defined 1 + +#include <bits/types.h> + +/* Functions to do I/O and file management for a stream. */ + +/* Read NBYTES bytes from COOKIE into a buffer pointed to by BUF. + Return number of bytes read. */ +typedef __ssize_t cookie_read_function_t (void *__cookie, char *__buf, + size_t __nbytes); + +/* Write NBYTES bytes pointed to by BUF to COOKIE. Write all NBYTES bytes + unless there is an error. Return number of bytes written. If + there is an error, return 0 and do not write anything. If the file + has been opened for append (__mode.__append set), then set the file + pointer to the end of the file and then do the write; if not, just + write at the current file pointer. */ +typedef __ssize_t cookie_write_function_t (void *__cookie, const char *__buf, + size_t __nbytes); + +/* Move COOKIE's file position to *POS bytes from the + beginning of the file (if W is SEEK_SET), + the current position (if W is SEEK_CUR), + or the end of the file (if W is SEEK_END). + Set *POS to the new file position. + Returns zero if successful, nonzero if not. */ +typedef int cookie_seek_function_t (void *__cookie, __off64_t *__pos, int __w); + +/* Close COOKIE. */ +typedef int cookie_close_function_t (void *__cookie); + +/* The structure with the cookie function pointers. + The tag name of this struct is _IO_cookie_io_functions_t to + preserve historic C++ mangled names for functions taking + cookie_io_functions_t arguments. That name should not be used in + new code. */ +typedef struct _IO_cookie_io_functions_t +{ + cookie_read_function_t *read; /* Read bytes. */ + cookie_write_function_t *write; /* Write bytes. */ + cookie_seek_function_t *seek; /* Seek/tell file position. */ + cookie_close_function_t *close; /* Close file. */ +} cookie_io_functions_t; + +#endif diff --git a/libio/bits/types/struct_FILE.h b/libio/bits/types/struct_FILE.h new file mode 100644 index 0000000000..359f949453 --- /dev/null +++ b/libio/bits/types/struct_FILE.h @@ -0,0 +1,120 @@ +/* Copyright (C) 1991-2018 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 __struct_FILE_defined +#define __struct_FILE_defined 1 + +/* Caution: The contents of this file are not part of the official + stdio.h API. However, much of it is part of the official *binary* + interface, and therefore cannot be changed. */ + +#if defined _IO_USE_OLD_IO_FILE && !defined _LIBC +# error "_IO_USE_OLD_IO_FILE should only be defined when building libc itself" +#endif + +#if defined _IO_lock_t_defined && !defined _LIBC +# error "_IO_lock_t_defined should only be defined when building libc itself" +#endif + +#include <bits/types.h> + +struct _IO_FILE; +struct _IO_marker; +struct _IO_codecvt; +struct _IO_wide_data; + +/* During the build of glibc itself, _IO_lock_t will already have been + defined by internal headers. */ +#ifndef _IO_lock_t_defined +typedef void _IO_lock_t; +#endif + +/* The tag name of this struct is _IO_FILE to preserve historic + C++ mangled names for functions taking FILE* arguments. + That name should not be used in new code. */ +struct _IO_FILE +{ + int _flags; /* High-order word is _IO_MAGIC; rest is flags. */ + + /* The following pointers correspond to the C++ streambuf protocol. */ + char *_IO_read_ptr; /* Current read pointer */ + char *_IO_read_end; /* End of get area. */ + char *_IO_read_base; /* Start of putback+get area. */ + char *_IO_write_base; /* Start of put area. */ + char *_IO_write_ptr; /* Current put pointer. */ + char *_IO_write_end; /* End of put area. */ + char *_IO_buf_base; /* Start of reserve area. */ + char *_IO_buf_end; /* End of reserve area. */ + + /* The following fields are used to support backing up and undo. */ + char *_IO_save_base; /* Pointer to start of non-current get area. */ + char *_IO_backup_base; /* Pointer to first valid character of backup area */ + char *_IO_save_end; /* Pointer to end of non-current get area. */ + + struct _IO_marker *_markers; + + struct _IO_FILE *_chain; + + int _fileno; + int _flags2; + __off_t _old_offset; /* This used to be _offset but it's too small. */ + + /* 1+column number of pbase(); 0 is unknown. */ + unsigned short _cur_column; + signed char _vtable_offset; + char _shortbuf[1]; + + _IO_lock_t *_lock; +#ifdef _IO_USE_OLD_IO_FILE +}; + +struct _IO_FILE_complete +{ + struct _IO_FILE _file; +#endif + __off64_t _offset; + /* Wide character stream stuff. */ + struct _IO_codecvt *_codecvt; + struct _IO_wide_data *_wide_data; + struct _IO_FILE *_freeres_list; + void *_freeres_buf; + size_t __pad5; + int _mode; + /* Make sure we don't get into trouble again. */ + char _unused2[15 * sizeof (int) - 4 * sizeof (void *) - sizeof (size_t)]; +}; + +/* These macros are used by bits/stdio.h and internal headers. */ +#define __getc_unlocked_body(_fp) \ + (__glibc_unlikely ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end) \ + ? __uflow (_fp) : *(unsigned char *) (_fp)->_IO_read_ptr++) + +#define __putc_unlocked_body(_ch, _fp) \ + (__glibc_unlikely ((_fp)->_IO_write_ptr >= (_fp)->_IO_write_end) \ + ? __overflow (_fp, (unsigned char) (_ch)) \ + : (unsigned char) (*(_fp)->_IO_write_ptr++ = (_ch))) + +#define _IO_EOF_SEEN 0x0010 +#define __feof_unlocked_body(_fp) (((_fp)->_flags & _IO_EOF_SEEN) != 0) + +#define _IO_ERR_SEEN 0x0020 +#define __ferror_unlocked_body(_fp) (((_fp)->_flags & _IO_ERR_SEEN) != 0) + +#define _IO_USER_LOCK 0x8000 +/* Many more flag bits are defined internally. */ + +#endif |