gstreamer/gst/gstfilter.c
David Schleef ca7539c40e Changes to handle compilers that don't have variadic macro support. In particular, glib headers define some inlines ...
Original commit message from CVS:
Changes to handle compilers that don't have variadic macro
support.  In particular, glib headers define some inlines
that need G_LOG_DOMAIN defined.  Additional fixes for MSVC
builds.
* gst/Makefile.am:
* gst/cothreads.c:
* gst/elements/gstfdsink.c:
* gst/elements/gstfdsrc.c:
* gst/elements/gstfilesink.c:
* gst/elements/gstfilesrc.c:
* gst/gst_private.h:
* gst/gstatomic.c:
* gst/gstcaps.c: (gst_caps_append):
* gst/gstcpu.c: (gst_cpuid_i386):
* gst/gstelement.c:
* gst/gsterror.c:
* gst/gstfilter.c:
* gst/gstinfo.h:
* gst/gstprobe.c:
* gst/gstquery.c:
* gst/gstregistry.c:
* gst/gststructure.c:
* gst/gsttaginterface.c:
* gst/gsttrace.c: (gst_trace_new):
* gst/gsttrashstack.c:
* gst/gsturi.c:
* gst/gstvalue.c:
* gst/parse/grammar.y:
* gst/parse/parse.l:
* tools/gst-inspect.c: (main):
* tools/gst-launch.c: (main):
* tools/gst-xmlinspect.c: (PUT_STRING):
2004-05-07 02:36:28 +00:00

62 lines
1.7 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "gst_private.h"
#include <gst/gstfilter.h>
/**
* gst_filter_run:
* @list: a linked list
* @func: the function to execute for each item
* @first: flag to stop execution after a successful item
* @user_data: user data
*
* Iterates over the elements in @list, calling @func with the
* list item data for each item. If @func returns TRUE, @data is
* prepended to the list of results returned. If @first is true,
* the search is halted after the first result is found.
*
* Returns: the list of results
*/
GList *
gst_filter_run (const GList * list, GstFilterFunc func, gboolean first,
gpointer user_data)
{
const GList *walk = list;
GList *result = NULL;
while (walk) {
gboolean res = TRUE;
gpointer data = walk->data;
walk = g_list_next (walk);
if (func)
res = func (data, user_data);
if (res) {
result = g_list_prepend (result, data);
if (first)
break;
}
}
return result;
}