mirror of https://code.videolan.org/videolan/vlc
70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/*****************************************************************************
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* vlc_probe.h: service probing interface
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*****************************************************************************
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* Copyright (C) 2009 Rémi Denis-Courmont
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef VLC_PROBE_H
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# define VLC_PROBE_H 1
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# include <stdlib.h>
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/**
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* \file
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* This file defines functions and structures to run-time probe VLC extensions
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*/
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# ifdef __cplusplus
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extern "C" {
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# endif
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void *vlc_probe (vlc_object_t *, const char *, size_t *);
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#define vlc_probe(obj, cap, pcount) \
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vlc_probe(VLC_OBJECT(obj), cap, pcount)
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struct vlc_probe_t
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{
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struct vlc_object_t obj;
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void *list;
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size_t count;
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};
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typedef struct vlc_probe_t vlc_probe_t;
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static inline int vlc_probe_add(vlc_probe_t *obj, const void *data,
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size_t len)
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{
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char *tab = (char *)realloc (obj->list, (obj->count + 1) * len);
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if (unlikely(tab == NULL))
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return VLC_ENOMEM;
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memcpy(tab + (obj->count * len), data, len);
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obj->list = tab;
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obj->count++;
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return VLC_SUCCESS;
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}
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# define VLC_PROBE_CONTINUE VLC_EGENERIC
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# define VLC_PROBE_STOP VLC_SUCCESS
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# ifdef __cplusplus
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}
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# endif
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#endif
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