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* libio/iofopncook.c: Adjust for renaming of structure elements.
	* libio/libio.h: Define cookie functions with all the names.
This commit is contained in:
Ulrich Drepper
1999-06-09 12:33:39 +00:00
parent e1c6ee839d
commit 542f5e01ca
3 changed files with 65 additions and 31 deletions
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55
libio/libio.h
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@@ -1,4 +1,4 @@
/* Copyright (C) 1991, 92, 93, 94, 95, 97, 98 Free Software Foundation, Inc.
/* Copyright (C) 1991,92,93,94,95,97,98,99 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
Written by Per Bothner <bothner@cygnus.com>.
@@ -255,23 +255,58 @@ extern _IO_FILE *_IO_stderr;
#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 __PMT ((__ptr_t __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, or -1 if
there is an error without writing 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 __PMT ((__ptr_t __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 __PMT ((__ptr_t __cookie, _IO_off_t __pos, int __w));
/* Close COOKIE. */
typedef int __io_close_fn __PMT ((__ptr_t __cookie));
#ifdef _GNU_SOURCE
/* Define the user-visible type, with user-friendly member names. */
/* 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_ssize_t (*read) __PMT ((struct _IO_FILE *, void *, _IO_ssize_t));
_IO_ssize_t (*write) __PMT ((struct _IO_FILE *, const void *, _IO_ssize_t));
_IO_fpos_t (*seek) __PMT ((struct _IO_FILE *, _IO_off_t, int));
int (*close) __PMT ((struct _IO_FILE *));
__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;
/* Special file type for fopencookie function. */
struct _IO_cookie_file
{
struct _IO_FILE file;
const void *vtable;
void *cookie;
_IO_cookie_io_functions_t io_functions;
struct _IO_FILE __file;
const void *__vtable;
void *__cookie;
_IO_cookie_io_functions_t __io_functions;
};
#endif