gstreamer/gst/printf/printf-extension.c
Tim-Philipp Müller fe7f7135e0 printf: add infrastructure for pointer extensions hook
Does not do anything yet. On a sidenote, we can't just use
%p\001 or so to signal the extension because g-i complains
about an invalid ascii character then, so have to resort to
something more elaborate, such as %p\aA etc.

https://bugzilla.gnome.org/show_bug.cgi?id=613081
2013-04-12 23:05:57 +01:00

50 lines
1.6 KiB
C

/* GStreamer printf extension hooks
* Copyright (C) 2013 Tim-Philipp Müller <tim centricular net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "printf-extension.h"
#include "gst-printf.h"
#include <stdio.h>
#include <string.h>
static PrintfPointerExtensionFunc ptr_ext_func; /* NULL */
void
__gst_printf_pointer_extension_set_func (PrintfPointerExtensionFunc func)
{
/* since this is internal, we don't need to worry about thread-safety */
ptr_ext_func = func;
}
char *
__gst_printf_pointer_extension_serialize (const char *format, void *ptr)
{
char *buf;
if (ptr_ext_func == NULL) {
buf = malloc (32);
memset (buf, 0, 32);
sprintf (buf, "%p", ptr);
} else {
/* note: we map malloc/free to g_malloc/g_free in gst-printf.h, so the
* fact that gstinfo gives us a glib-allocated string and the printf
* routines free it with free() and not g_free() should not be a problem */
buf = ptr_ext_func (format, ptr);
}
return buf;
}