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authorUlrich Drepper <drepper@redhat.com>1999-06-09 12:33:39 +0000
committerUlrich Drepper <drepper@redhat.com>1999-06-09 12:33:39 +0000
commit542f5e01cacce53f8106d4a0020a68c525c8950c (patch)
treef25ee851c87702f1bfea84cb86c64c10593374a9 /libio
parente1c6ee839d13d57a4756e506a6b03f6a82b86d61 (diff)
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Update.
	* libio/iofopncook.c: Adjust for renaming of structure elements.
	* libio/libio.h: Define cookie functions with all the names.
Diffstat (limited to 'libio')
-rw-r--r--libio/iofopncook.c38
-rw-r--r--libio/libio.h55
2 files changed, 62 insertions, 31 deletions
diff --git a/libio/iofopncook.c b/libio/iofopncook.c
index 7820fa325a..f26744f39d 100644
--- a/libio/iofopncook.c
+++ b/libio/iofopncook.c
@@ -46,10 +46,10 @@ _IO_cookie_read (fp, buf, size)
 {
   struct _IO_cookie_file *cfile = (struct _IO_cookie_file *) fp;
 
-  if (cfile->io_functions.read == NULL)
+  if (cfile->__io_functions.read == NULL)
     return -1;
 
-  return cfile->io_functions.read (cfile->cookie, buf, size);
+  return cfile->__io_functions.read (cfile->__cookie, buf, size);
 }
 
 static _IO_ssize_t
@@ -60,10 +60,10 @@ _IO_cookie_write (fp, buf, size)
 {
   struct _IO_cookie_file *cfile = (struct _IO_cookie_file *) fp;
 
-  if (cfile->io_functions.write == NULL)
+  if (cfile->__io_functions.write == NULL)
     return -1;
 
-  return cfile->io_functions.write (cfile->cookie, buf, size);
+  return cfile->__io_functions.write (cfile->__cookie, buf, size);
 }
 
 static _IO_fpos64_t
@@ -73,15 +73,11 @@ _IO_cookie_seek (fp, offset, dir)
      int dir;
 {
   struct _IO_cookie_file *cfile = (struct _IO_cookie_file *) fp;
-  _IO_fpos64_t pos;
 
-  if (cfile->io_functions.seek == NULL)
+  if (cfile->__io_functions.seek == NULL)
     return _IO_pos_BAD;
 
-  pos = _IO_pos_0;
-  _IO_pos_adjust (pos, offset);
-
-  return cfile->io_functions.seek (cfile->cookie, pos, dir);
+  return cfile->__io_functions.seek (cfile->__cookie, offset, dir);
 }
 
 static int
@@ -90,10 +86,10 @@ _IO_cookie_close (fp)
 {
   struct _IO_cookie_file *cfile = (struct _IO_cookie_file *) fp;
 
-  if (cfile->io_functions.close == NULL)
+  if (cfile->__io_functions.close == NULL)
     return 0;
 
-  return cfile->io_functions.close (cfile->cookie);
+  return cfile->__io_functions.close (cfile->__cookie);
 }
 
 
@@ -157,19 +153,19 @@ fopencookie (cookie, mode, io_functions)
   if (new_f == NULL)
     return NULL;
 #ifdef _IO_MTSAFE_IO
-  new_f->cfile.file._lock = &new_f->lock;
+  new_f->cfile.__file._lock = &new_f->lock;
 #endif
 
-  _IO_init (&new_f->cfile.file, 0);
-  _IO_JUMPS (&new_f->cfile.file) = &_IO_cookie_jumps;
-  new_f->cfile.cookie = cookie;
-  new_f->cfile.io_functions = io_functions;
+  _IO_init (&new_f->cfile.__file, 0);
+  _IO_JUMPS (&new_f->cfile.__file) = &_IO_cookie_jumps;
+  new_f->cfile.__cookie = cookie;
+  new_f->cfile.__io_functions = io_functions;
 
-  _IO_file_init(&new_f->cfile.file);
+  _IO_file_init(&new_f->cfile.__file);
 
-  new_f->cfile.file._IO_file_flags =
-    _IO_mask_flags (&new_f->cfile.file, read_write,
+  new_f->cfile.__file._IO_file_flags =
+    _IO_mask_flags (&new_f->cfile.__file, read_write,
 		    _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING);
 
-  return &new_f->cfile.file;
+  return &new_f->cfile.__file;
 }
diff --git a/libio/libio.h b/libio/libio.h
index d1dcc7d07c..b4be610fbd 100644
--- a/libio/libio.h
+++ b/libio/libio.h
@@ -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