/usr/include/gwyddion/libgwyddion/gwymacros.h is in libgwyddion20-dev 2.26-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* @(#) $Id: gwymacros.h 12576 2011-07-11 14:51:57Z yeti-dn $
* Copyright (C) 2003 David Necas (Yeti), Petr Klapetek.
* E-mail: yeti@gwyddion.net, klapetek@gwyddion.net.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __GWY_MACROS_H__
#define __GWY_MACROS_H__
#include <stdarg.h>
#include <glib.h>
#include <gwyconfig.h>
/* FIXME: move to gwyconfig.h? or just config.h? */
/* XXX: Most of this is available in gi18n.h */
#ifdef ENABLE_NLS
#include <libintl.h>
#else
#define gettext(x) (x)
#define ngettext(sing, plur, n) ((n) == 1 ? (sing) : (plur))
#endif
#define _(x) gettext(x)
#ifdef gettext_noop
#define N_(x) gettext_noop(x)
#else
#define N_(x) (x)
#endif
#define GWY_SWAP(t, x, y) \
do { \
t __unsafe_swap; \
__unsafe_swap = x; \
x = y; \
y = __unsafe_swap; \
} while (0)
#define gwy_strequal(a, b) \
(!strcmp((a), (b)))
#define GWY_CLAMP(x, low, hi) \
(G_UNLIKELY((x) > (hi)) ? (hi) : (G_UNLIKELY((x) < (low)) ? (low) : (x)))
#define gwy_clear(array, n) \
memset((array), 0, (n)*sizeof((array)[0]))
#define gwy_object_unref(obj) \
do { \
if (obj) \
g_object_unref(obj); \
(obj) = NULL; \
} while (0)
#define gwy_signal_handler_disconnect(obj, hid) \
do { \
if (hid && obj) \
g_signal_handler_disconnect(obj, hid); \
(hid) = 0; \
} while (0)
#define GWY_FIND_PSPEC(type, id, spectype) \
G_PARAM_SPEC_##spectype(g_object_class_find_property \
(G_OBJECT_CLASS(g_type_class_peek(type)), id))
G_BEGIN_DECLS
#ifdef G_HAVE_GNUC_VARARGS
# ifdef DEBUG
# define gwy_debug(format...) \
gwy_debug_gnu(G_LOG_DOMAIN,\
__FILE__ ":" G_STRINGIFY (__LINE__), \
G_STRFUNC, \
format)
# else
# define gwy_debug(format...) /* */
# endif
#elif defined(G_HAVE_ISO_VARARGS)
# ifdef DEBUG
# define gwy_debug(...) \
gwy_debug_gnu(G_LOG_DOMAIN, \
__FILE__ ":" G_STRINGIFY(__LINE__), \
G_STRFUNC, \
__VA_ARGS__)
# else
# define gwy_debug(...) /* */
# endif
#else
/* no varargs macros */
# ifdef DEBUG
static inline void
gwy_debug(const gchar *format, ...)
{
va_list args;
va_start(args, format);
g_logv(G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format, args);
va_end(args);
}
# else
static inline void
gwy_debug(const gchar *format, ...)
{
}
# endif
#endif /* varargs macros */
void gwy_debug_gnu(const gchar *domain,
const gchar *fileline,
const gchar *funcname,
const gchar *format,
...) G_GNUC_PRINTF(4, 5);
G_END_DECLS
#endif /* __GWY_MACROS_H__ */
/* vim: set cin et ts=4 sw=4 cino=>1s,e0,n0,f0,{0,}0,^0,\:1s,=0,g1s,h0,t0,+1s,c3,(0,u0 : */
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