mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 02:01:12 +00:00
168 lines
3.6 KiB
C
168 lines
3.6 KiB
C
/*
|
|
* libzvbi -- Useful macros
|
|
*
|
|
* Copyright (C) 2002, 2003, 2004, 2007 Michael H. Schimek
|
|
*
|
|
* 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 Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
/* $Id: macros.h,v 1.12 2013-07-10 23:11:18 mschimek Exp $ */
|
|
|
|
#ifndef __ZVBI_MACROS_H__
|
|
#define __ZVBI_MACROS_H__
|
|
|
|
#ifdef __cplusplus
|
|
# define VBI_BEGIN_DECLS extern "C" {
|
|
# define VBI_END_DECLS }
|
|
#else
|
|
# define VBI_BEGIN_DECLS
|
|
# define VBI_END_DECLS
|
|
#endif
|
|
|
|
VBI_BEGIN_DECLS
|
|
|
|
/* Public */
|
|
|
|
#if __GNUC__ >= 4
|
|
# define _vbi_sentinel __attribute__ ((__sentinel__(0)))
|
|
# define _vbi_deprecated __attribute__ ((__deprecated__))
|
|
#else
|
|
# define _vbi_sentinel
|
|
# define _vbi_deprecated
|
|
# define __restrict__
|
|
#endif
|
|
|
|
#if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ >= 4
|
|
# define _vbi_nonnull(params) __attribute__ ((__nonnull__ params))
|
|
# define _vbi_format(params) __attribute__ ((__format__ params))
|
|
#else
|
|
# define _vbi_nonnull(params)
|
|
# define _vbi_format(params)
|
|
#endif
|
|
|
|
#if __GNUC__ >= 3
|
|
# define _vbi_pure __attribute__ ((__pure__))
|
|
# define _vbi_alloc __attribute__ ((__malloc__))
|
|
#else
|
|
# define _vbi_pure
|
|
# define _vbi_alloc
|
|
#endif
|
|
|
|
#if __GNUC__ >= 2
|
|
# define _vbi_unused __attribute__ ((__unused__))
|
|
# define _vbi_const __attribute__ ((__const__))
|
|
# define _vbi_inline static __inline__
|
|
#else
|
|
# define _vbi_unused
|
|
# define _vbi_const
|
|
# define _vbi_inline static
|
|
#endif
|
|
|
|
/**
|
|
* @ingroup Basic
|
|
* @name Boolean type
|
|
* @{
|
|
*/
|
|
#ifndef TRUE
|
|
# define TRUE 1
|
|
#endif
|
|
#ifndef FALSE
|
|
# define FALSE 0
|
|
#endif
|
|
|
|
typedef int vbi_bool;
|
|
/** @} */
|
|
|
|
#ifndef NULL
|
|
# ifdef __cplusplus
|
|
# define NULL (0L)
|
|
# else
|
|
# define NULL ((void *) 0)
|
|
# endif
|
|
#endif
|
|
|
|
/* XXX Document me - for variadic funcs. */
|
|
#define VBI_END ((void *) 0)
|
|
|
|
#if 0
|
|
typedef void
|
|
vbi_lock_fn (void * user_data);
|
|
typedef void
|
|
vbi_unlock_fn (void * user_data);
|
|
#endif
|
|
|
|
/**
|
|
* @ingroup Basic
|
|
* @{
|
|
*/
|
|
typedef enum {
|
|
/** External error causes, for example lack of memory. */
|
|
VBI_LOG_ERROR = 1 << 3,
|
|
|
|
/**
|
|
* Invalid parameters and similar problems which suggest
|
|
* a bug in the application using the library.
|
|
*/
|
|
VBI_LOG_WARNING = 1 << 4,
|
|
|
|
/**
|
|
* Causes of possibly undesired results, for example when a
|
|
* data service cannot be decoded with the current video
|
|
* standard setting.
|
|
*/
|
|
VBI_LOG_NOTICE = 1 << 5,
|
|
|
|
/** Progress messages. */
|
|
VBI_LOG_INFO = 1 << 6,
|
|
|
|
/** Information useful to debug the library. */
|
|
VBI_LOG_DEBUG = 1 << 7,
|
|
|
|
/** Driver responses (strace). Not implemented yet. */
|
|
VBI_LOG_DRIVER = 1 << 8,
|
|
|
|
/** More detailed debugging information. */
|
|
VBI_LOG_DEBUG2 = 1 << 9,
|
|
VBI_LOG_DEBUG3 = 1 << 10
|
|
} vbi_log_mask;
|
|
|
|
typedef void
|
|
vbi_log_fn (vbi_log_mask level,
|
|
const char * context,
|
|
const char * message,
|
|
void * user_data);
|
|
|
|
extern vbi_log_fn vbi_log_on_stderr;
|
|
/** @} */
|
|
|
|
/* Private */
|
|
|
|
typedef struct {
|
|
vbi_log_fn * fn;
|
|
void * user_data;
|
|
vbi_log_mask mask;
|
|
} _vbi_log_hook;
|
|
|
|
VBI_END_DECLS
|
|
|
|
#endif /* __ZVBI_MACROS_H__ */
|
|
|
|
/*
|
|
Local variables:
|
|
c-set-style: K&R
|
|
c-basic-offset: 8
|
|
End:
|
|
*/
|