It is our intention that memory output streams should operate in two
distinct modes, depending on if a realloc function was provided or not.
In the case that we have a realloc function (resizable mode), we want
the stream to behave as if it were a file that started out empty. In
the case that we don't have a realloc function (fixed-sized mode), we
want the stream to behave as a block device would.
To this end, we introduce two changes in functionality:
- seeking to SEEK_END on a resizable stream will now seek to the end of
the valid data region, not to the end of the allocated memory (which
is really just an implementation detail)
- seeks past the end of the allocated memory size are now permitted,
but only on resizable streams. The next write will grow the buffer
(inserting zeros between).
Some tweaks to testcases were required in order not to break the build,
which indicates that this is an API break, but it seems unlikely that
anyone will be effected by these changes 'in the real world'.
Updates to documentation and further testcases are in following commits.
Based on a patch from Maciej Piechotka <uzytkownik2@gmail.com>.
https://bugzilla.gnome.org/show_bug.cgi?id=684842
Since it could confuse callers (admittedly who are already violating
a precondition).
Just spotted while adapting some bits of this code for a ssh library.
As it turns out, we have examples of internal functions called
type_name_get_private() in the wild (especially among older libraries),
so we need to use a name for the per-instance private data getter
function that hopefully won't conflict with anything.
Really, the memory output stream API is too warped around the model
where it's a fixed size buffer that you've already allocated. Even in
C, I find myself always wanting to use it to just accumulate data into
an arbitrary-sized buffer it allocates.
Unfortunately, it's also not usable from bindings because it's not
common to bind g_free() and g_realloc(), but if you just pass NULL, you
get the default of a fixed size, which is useless as per above.
I am going to use this from a gjs test case, and the GSubprocess test
cases also will use it.
https://bugzilla.gnome.org/show_bug.cgi?id=688931
If a GInputStream does not provide a read_async() implementation, but
does implement GPollableInputStream, then instead of doing
read-synchronously-in-a-thread, just use
g_pollable_input_stream_read_nonblocking() and
g_pollable_input_stream_create_source() to implement an async read in
the same thread. Similarly for GOutputStream.
Remove a bunch of existing read_async()/write_async() implementations
that are basically equivalent to the new fallback method.
https://bugzilla.gnome.org/show_bug.cgi?id=673997
Implement GPollableInputStream in GMemoryInputStream and
GConverterInputStream, and likewise implement GPollableOutputStream in
the corresponding output streams.
https://bugzilla.gnome.org/show_bug.cgi?id=673997
A g_input_stream_read_async() implementation can't call
g_input_stream_read() on itself directly because it will fail because
the pending flag is already set. So fix that by invoking the vmethod
directly rather than calling the wrapper. Likewise with
GMemoryOutputStream.
Add a test to gio/tests/memory-input-stream.c to catch read_async
failures in the future.
2009-02-26 Alexander Larsson <alexl@redhat.com>
Bug 540461 – g_memory_output_stream_get_data_size() doesn't behave as document
* gmemoryoutputstream.c:
Track actual valid size, even if we later seek back.
* tests/memory-output-stream.c:
Add testcase
svn path=/trunk/; revision=7916
2008-07-01 Cody Russell <bratsche@gnome.org>
* gio/gioenums.h:
* gio/giotypes.h:
Moved all relevant typedefs into these files.
* gio/*.[ch]:
Updated wrt added files.
Split types into separate file for easier maintainership. (#538564)
svn path=/trunk/; revision=7127
2008-06-16 Michael Natterer <mitch@imendio.com>
* *.c: chain up unconditionally in finalize() and dispose(). Also
don't dereference these function pointers when calling them since
that has no meaning at all.
svn path=/trunk/; revision=7048
2008-01-07 Alexander Larsson <alexl@redhat.com>
* Makefile.am:
Build test subdir after .
Remove gdirectorymonitor.[ch]
* gdirectorymonitor.[ch]:
* gfilemonitor.c:
* gfile.[ch]:
* gio.h:
Remove GDirectoryMonitor and make
GFileMonitor the baseclass for both file and
directory monitors. Lift the more generic
rate limiting code from GDirectoryMonitor
into GFileMonitor.
* fam/fam-helper.c:
* fam/gfamdirectorymonitor.[ch]:
* inotify/ginotifydirectorymonitor.[ch]:
* inotify/inotify-helper.c:
* glocaldirectorymonitor.[ch]:
* glocalfile.c:
* gvolumemonitor.c:
Update for the removed GDirectoryMonitor.
* gmemoryoutputstream.c:
Remove ununsed variable
svn path=/trunk/; revision=6262
2008-01-07 Alexander Larsson <alexl@redhat.com>
* gmemoryinputstream.c:
Translate error strings
* gio.symbols:
* gmemoryoutputstream.[ch]:
New implementation that avoids using GByteArray
in implementation and API. (#506377)
svn path=/trunk/; revision=6260
2007-12-10 15:08:59 Tim Janik <timj@imendio.com>
* let g_warn_if_fail replace g_assert as discussed here:
http://mail.gnome.org/archives/gtk-devel-list/2007-October/msg00089.html
* fix bug #502498: Test framework assertion failures should follow
gcc error format.
* gmessages.h, gmessages.c: deprecated g_assert_warning() which is
unused now. removed g_assert*() definitions whcih are provided by
gtestutils.h now. added g_warn_if_reached() and g_warn_if_fail()
which are recommended as g_assert/g_assert_not_reached replacements
for non-test programs.
added g_warn_message() to implement g_warn_*() macros.
use emacs-next-error friendly formatting for file:line: for warnings.
* gtestutils.h, gtestutils.c: use emacs-next-error friendly formatting.
implement g_assert_not_reached() with g_assertion_message() and
g_assert() in terms of g_assertion_message_expr() so we'll be able to
provide assertion messages in test logs.
* gkeyfile.c, gbookmarkfile.c: changed g_assert*() to g_warn_if_fail()
or g_return_if_fail() where suitable.
* gio/: changed g_assert to g_warn_if_fail.
svn path=/trunk/; revision=6086
of the public files. Fixes broken function documentation prototypes.
Fixes GCancellable inaccuracies. Removes unnecessary incomplete
gtk-doc headers in private files.
svn path=/trunk/; revision=5953
2007-11-26 Alexander Larsson <alexl@redhat.com>
* Makefile.am:
* configure.in:
* gio-2.0-uninstalled.pc.in:
* gio-2.0.pc.in:
* gio-unix-2.0-uninstalled.pc.in:
* gio-unix-2.0.pc.in:
* gio/
* docs/reference/gio
Merged gio-standalone into glib.
* glib/glibintl.h:
* glib/gutils.c:
Export glib_gettext so that gio can use it
Add P_ (using same domain for now)
Add I_ as g_intern_static_string
svn path=/trunk/; revision=5941
