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authorRoland McGrath <roland@hack.frob.com>2011-10-26 16:53:02 -0700
committerRoland McGrath <roland@hack.frob.com>2011-10-26 16:53:02 -0700
commit94d44d9f4dd092a0e25816de80d5e2ad87b6416c (patch)
treeaa93e08a6c6d1d3a491848ffb67846dc6ae7261b /manual
parent804791474dc1f0904f6d91ef66dbbbc322991e0b (diff)
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Remove mention of open_obstack_stream, which has never existed in libio.
Diffstat (limited to 'manual')
-rw-r--r--manual/stdio.texi59
1 files changed, 0 insertions, 59 deletions
diff --git a/manual/stdio.texi b/manual/stdio.texi
index 94f9126..588c15b 100644
--- a/manual/stdio.texi
+++ b/manual/stdio.texi
@@ -4780,7 +4780,6 @@ provide equivalent functionality.
@menu
* String Streams:: Streams that get data from or put data in
a string or memory buffer.
-* Obstack Streams:: Streams that store data in an obstack.
* Custom Streams:: Defining your own streams with an arbitrary
input data source and/or output data sink.
@end menu
@@ -4884,64 +4883,6 @@ buf = `hello', size = 5
buf = `hello, world', size = 12
@end smallexample
-@c @group Invalid outside @example.
-@node Obstack Streams
-@subsection Obstack Streams
-
-You can open an output stream that puts it data in an obstack.
-@xref{Obstacks}.
-
-@comment stdio.h
-@comment GNU
-@deftypefun {FILE *} open_obstack_stream (struct obstack *@var{obstack})
-This function opens a stream for writing data into the obstack @var{obstack}.
-This starts an object in the obstack and makes it grow as data is
-written (@pxref{Growing Objects}).
-@c @end group Doubly invalid because not nested right.
-
-Calling @code{fflush} on this stream updates the current size of the
-object to match the amount of data that has been written. After a call
-to @code{fflush}, you can examine the object temporarily.
-
-You can move the file position of an obstack stream with @code{fseek} or
-@code{fseeko} (@pxref{File Positioning}). Moving the file position past
-the end of the data written fills the intervening space with zeros.
-
-To make the object permanent, update the obstack with @code{fflush}, and
-then use @code{obstack_finish} to finalize the object and get its address.
-The following write to the stream starts a new object in the obstack,
-and later writes add to that object until you do another @code{fflush}
-and @code{obstack_finish}.
-
-But how do you find out how long the object is? You can get the length
-in bytes by calling @code{obstack_object_size} (@pxref{Status of an
-Obstack}), or you can null-terminate the object like this:
-
-@smallexample
-obstack_1grow (@var{obstack}, 0);
-@end smallexample
-
-Whichever one you do, you must do it @emph{before} calling
-@code{obstack_finish}. (You can do both if you wish.)
-@end deftypefun
-
-Here is a sample function that uses @code{open_obstack_stream}:
-
-@smallexample
-char *
-make_message_string (const char *a, int b)
-@{
- FILE *stream = open_obstack_stream (&message_obstack);
- output_task (stream);
- fprintf (stream, ": ");
- fprintf (stream, a, b);
- fprintf (stream, "\n");
- fclose (stream);
- obstack_1grow (&message_obstack, 0);
- return obstack_finish (&message_obstack);
-@}
-@end smallexample
-
@node Custom Streams
@subsection Programming Your Own Custom Streams
@cindex custom streams