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/* --------------------------------------------------------------------------*/
/* */
/* converts a GID number to a group name symbol */
/* Written by Hans-Christoph Steiner <hans@at.or.at> */
/* */
/* Copyright (c) 2006 Hans-Christoph Steiner */
/* */
/* 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. */
/* */
/* See file LICENSE for further informations on licensing terms. */
/* */
/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* */
/* --------------------------------------------------------------------------*/
#include <m_pd.h>
#ifdef _WIN32
#define _WIN32_WINNT 0x0400
#include <windows.h>
#include <stdio.h>
#include <lm.h>
#else
#include <stdlib.h>
#include <grp.h>
#endif
/*
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/errno.h>
*/
static char *version = "$Revision: 1.1 $";
t_int gid0x2d0x3egroup_name_instance_count;
#define DEBUG(x)
//#define DEBUG(x) x
/*------------------------------------------------------------------------------
* CLASS DEF
*/
static t_class *gid0x2d0x3egroup_name_class;
typedef struct _gid0x2d0x3egroup_name {
t_object x_obj;
t_float x_gid;
t_outlet *x_data_outlet;
// t_outlet *x_status_outlet;
} t_gid0x2d0x3egroup_name;
/*------------------------------------------------------------------------------
* IMPLEMENTATION
*/
static void gid0x2d0x3egroup_name_output(t_gid0x2d0x3egroup_name* x)
{
DEBUG(post("gid0x2d0x3egroup_name_output"););
struct group *group_pointer;
#ifdef _WIN32
/* TODO: implement for Windows! */
#else
{
group_pointer = getgrgid((gid_t)x->x_gid);
if( group_pointer != NULL )
outlet_symbol(x->x_data_outlet, gensym(group_pointer->gr_name));
else /* output blank symbol if no match */
outlet_symbol(x->x_data_outlet, &s_);
}
#endif /* _WIN32 */
}
static void gid0x2d0x3egroup_name_set(t_gid0x2d0x3egroup_name* x, t_float f)
{
DEBUG(post("gid0x2d0x3egroup_name_set"););
x->x_gid = f;
}
static void gid0x2d0x3egroup_name_float(t_gid0x2d0x3egroup_name *x, t_float f)
{
gid0x2d0x3egroup_name_set(x,f);
gid0x2d0x3egroup_name_output(x);
}
static void *gid0x2d0x3egroup_name_new(t_float f)
{
DEBUG(post("gid0x2d0x3egroup_name_new"););
t_gid0x2d0x3egroup_name *x = (t_gid0x2d0x3egroup_name *)pd_new(gid0x2d0x3egroup_name_class);
if(!gid0x2d0x3egroup_name_instance_count)
{
post("[gid->group_name] %s",version);
post("\twritten by Hans-Christoph Steiner <hans@at.or.at>");
post("\tcompiled on "__DATE__" at "__TIME__ " ");
}
gid0x2d0x3egroup_name_instance_count++;
floatinlet_new(&x->x_obj, &x->x_gid);
x->x_data_outlet = outlet_new(&x->x_obj, 0);
// x->x_status_outlet = outlet_new(&x->x_obj, 0);
gid0x2d0x3egroup_name_set(x,f);
return (x);
}
void gid0x2d0x3egroup_name_free(void)
{
#ifdef _WIN32
#else
endgrent();
#endif /* _WIN32 */
}
void gid0x2d0x3egroup_name_setup(void)
{
DEBUG(post("gid0x2d0x3egroup_name_setup"););
gid0x2d0x3egroup_name_class = class_new(gensym("gid->group_name"),
(t_newmethod)gid0x2d0x3egroup_name_new,
0,
sizeof(t_gid0x2d0x3egroup_name),
0,
A_DEFFLOAT,
0);
/* add inlet datatype methods */
class_addbang(gid0x2d0x3egroup_name_class,
(t_method) gid0x2d0x3egroup_name_output);
class_addfloat(gid0x2d0x3egroup_name_class,
(t_method) gid0x2d0x3egroup_name_float);
/* add inlet message methods */
class_addmethod(gid0x2d0x3egroup_name_class,
(t_method) gid0x2d0x3egroup_name_set,gensym("set"),
A_DEFSYM, 0);
}
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