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-rw-r--r--libio/bits/libio.h194
1 files changed, 21 insertions, 173 deletions
diff --git a/libio/bits/libio.h b/libio/bits/libio.h
index fae5b932a1..cefc2c855b 100644
--- a/libio/bits/libio.h
+++ b/libio/bits/libio.h
@@ -28,14 +28,12 @@
#ifndef _BITS_LIBIO_H
#define _BITS_LIBIO_H 1
-#if !defined _STDIO_H && !defined _LIBIO_H
-# error "Never include <bits/libio.h> directly; use <stdio.h> instead."
-#endif
+#include <stdio.h>
#include <bits/_G_config.h>
/* ALL of these should be defined in _G_config.h */
-#define _IO_fpos_t _G_fpos_t
-#define _IO_fpos64_t _G_fpos64_t
+#define _IO_fpos_t __fpos_t
+#define _IO_fpos64_t __fpos64_t
#define _IO_size_t size_t
#define _IO_ssize_t __ssize_t
#define _IO_off_t __off_t
@@ -44,40 +42,17 @@
#define _IO_uid_t __uid_t
#define _IO_iconv_t _G_iconv_t
#define _IO_HAVE_ST_BLKSIZE _G_HAVE_ST_BLKSIZE
-#define _IO_BUFSIZ _G_BUFSIZ
-#define _IO_va_list _G_va_list
+#define _IO_BUFSIZ BUFSIZ
#define _IO_wint_t wint_t
+#define _IO_va_list __gnuc_va_list
-/* This define avoids name pollution if we're using GNU stdarg.h */
-#define __need___va_list
-#include <stdarg.h>
-#ifdef __GNUC_VA_LIST
-# undef _IO_va_list
-# define _IO_va_list __gnuc_va_list
-#endif /* __GNUC_VA_LIST */
-
-#ifndef __P
-# include <sys/cdefs.h>
-#endif /*!__P*/
-
+/* compatibility defines */
+#define _STDIO_USES_IOSTREAM
#define _IO_UNIFIED_JUMPTABLES 1
+#define __HAVE_COLUMN
+#define _IO_file_flags _flags
-#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
-
+/* open modes */
#define _IOS_INPUT 1
#define _IOS_OUTPUT 2
#define _IOS_ATEND 4
@@ -146,14 +121,7 @@
#define _IO_BOOLALPHA 0200000
-struct _IO_jump_t; struct _IO_FILE;
-
-/* 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
-
+struct _IO_jump_t;
/* A streammarker remembers a position in a buffer. */
@@ -164,16 +132,6 @@ struct _IO_marker {
it points to _buf->Gbase()+_pos. FIXME comment */
/* if _pos < 0, it points to _buf->eBptr()+_pos. FIXME comment */
int _pos;
-#if 0
- void set_streampos(streampos sp) { _spos = sp; }
- void set_offset(int offset) { _pos = offset; _spos = (streampos)(-2); }
- public:
- streammarker(streambuf *sb);
- ~streammarker();
- int saving() { return _spos == -2; }
- int delta(streammarker&);
- int delta();
-#endif
};
/* This is the structure from the libstdc++ codecvt class. */
@@ -242,73 +200,6 @@ struct _IO_wide_data
};
#endif
-struct _IO_FILE {
- int _flags; /* High-order word is _IO_MAGIC; rest is flags. */
-#define _IO_file_flags _flags
-
- /* The following pointers correspond to the C++ streambuf protocol. */
- /* Note: Tk uses the _IO_read_ptr and _IO_read_end fields directly. */
- 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;
-#if 0
- int _blksize;
-#else
- int _flags2;
-#endif
- _IO_off_t _old_offset; /* This used to be _offset but it's too small. */
-
-#define __HAVE_COLUMN /* temporary */
- /* 1+column number of pbase(); 0 is unknown. */
- unsigned short _cur_column;
- signed char _vtable_offset;
- char _shortbuf[1];
-
- /* char* _save_gptr; char* _save_egptr; */
-
- _IO_lock_t *_lock;
-#ifdef _IO_USE_OLD_IO_FILE
-};
-
-struct _IO_FILE_complete
-{
- struct _IO_FILE _file;
-#endif
-#if defined _G_IO_IO_FILE_VERSION && _G_IO_IO_FILE_VERSION == 0x20001
- _IO_off64_t _offset;
-# if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
- /* Wide character stream stuff. */
- struct _IO_codecvt *_codecvt;
- struct _IO_wide_data *_wide_data;
- struct _IO_FILE *_freeres_list;
- void *_freeres_buf;
-# else
- void *__pad1;
- void *__pad2;
- void *__pad3;
- void *__pad4;
-# endif
- 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)];
-#endif
-};
#ifndef __cplusplus
typedef struct _IO_FILE _IO_FILE;
@@ -330,49 +221,13 @@ extern _IO_FILE *_IO_stderr attribute_hidden;
#endif
-/* 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 __io_read_fn (void *__cookie, char *__buf, size_t __nbytes);
-
-/* Write N bytes pointed to by BUF to COOKIE. Write all N 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 __io_write_fn (void *__cookie, const char *__buf,
- size_t __n);
-
-/* 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 __io_seek_fn (void *__cookie, _IO_off64_t *__pos, int __w);
-
-/* Close COOKIE. */
-typedef int __io_close_fn (void *__cookie);
-
-
+/* Compatibility names for cookie I/O functions. */
#ifdef __USE_GNU
-/* User-visible names for the above. */
-typedef __io_read_fn cookie_read_function_t;
-typedef __io_write_fn cookie_write_function_t;
-typedef __io_seek_fn cookie_seek_function_t;
-typedef __io_close_fn cookie_close_function_t;
-
-/* The structure with the cookie function pointers. */
-typedef struct
-{
- __io_read_fn *read; /* Read bytes. */
- __io_write_fn *write; /* Write bytes. */
- __io_seek_fn *seek; /* Seek/tell file position. */
- __io_close_fn *close; /* Close file. */
-} _IO_cookie_io_functions_t;
-typedef _IO_cookie_io_functions_t cookie_io_functions_t;
+typedef cookie_read_function_t __io_read_fn;
+typedef cookie_write_function_t __io_write_fn;
+typedef cookie_seek_function_t __io_seek_fn;
+typedef cookie_close_function_t __io_close_fn;
+typedef cookie_io_functions_t _IO_cookie_io_functions_t;
struct _IO_cookie_file;
@@ -387,8 +242,6 @@ extern "C" {
#endif
extern int __underflow (_IO_FILE *);
-extern int __uflow (_IO_FILE *);
-extern int __overflow (_IO_FILE *, int);
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
extern _IO_wint_t __wunderflow (_IO_FILE *);
extern _IO_wint_t __wuflow (_IO_FILE *);
@@ -401,17 +254,12 @@ extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t);
# define _IO_BE(expr, res) (expr)
#endif
-#define _IO_getc_unlocked(_fp) \
- (_IO_BE ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end, 0) \
- ? __uflow (_fp) : *(unsigned char *) (_fp)->_IO_read_ptr++)
+#define _IO_getc_unlocked(_fp) __getc_unlocked_body (_fp)
#define _IO_peekc_unlocked(_fp) \
(_IO_BE ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end, 0) \
&& __underflow (_fp) == EOF ? EOF \
: *(unsigned char *) (_fp)->_IO_read_ptr)
-#define _IO_putc_unlocked(_ch, _fp) \
- (_IO_BE ((_fp)->_IO_write_ptr >= (_fp)->_IO_write_end, 0) \
- ? __overflow (_fp, (unsigned char) (_ch)) \
- : (unsigned char) (*(_fp)->_IO_write_ptr++ = (_ch)))
+#define _IO_putc_unlocked(_ch, _fp) __putc_unlocked_body (_ch, _fp)
#if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
# define _IO_getwc_unlocked(_fp) \
@@ -427,8 +275,8 @@ extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t);
: (_IO_wint_t) (*(_fp)->_wide_data->_IO_write_ptr++ = (_wch)))
#endif
-#define _IO_feof_unlocked(__fp) (((__fp)->_flags & _IO_EOF_SEEN) != 0)
-#define _IO_ferror_unlocked(__fp) (((__fp)->_flags & _IO_ERR_SEEN) != 0)
+#define _IO_feof_unlocked(_fp) __feof_unlocked_body (_fp)
+#define _IO_ferror_unlocked(_fp) __ferror_unlocked_body (_fp)
extern int _IO_getc (_IO_FILE *__fp);
extern int _IO_putc (int __c, _IO_FILE *__fp);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 22:38:04 +0000