/* Copyright (C) 1998-99 Martin Baulig

   This file is part of LibGTop 1.0.

   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.

   LibGTop 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.

   LibGTop 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 LibGTop; see the file COPYING. If not, write to the

   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

   Boston, MA 02110-1301, USA.

*/

#include <config.h>

#include <glibtop.h>

#include <glibtop/error.h>

#include <glibtop/procargs.h>

#include "glibtop_private.h"

static const unsigned long _glibtop_sysdeps_proc_args =

(1L << GLIBTOP_PROC_ARGS_SIZE);

/* Init function. */

void

_glibtop_init_proc_args_s (glibtop *server)

{

	server->sysdeps.proc_args = _glibtop_sysdeps_proc_args;

}

/* Provides detailed information about a process. */

char *

glibtop_get_proc_args_s (glibtop *server, glibtop_proc_args *buf,

			 pid_t pid, unsigned max_len)

{

#ifdef HAVE_PROCFS_H

	struct psinfo pinfo;

#else

	struct prpsinfo pinfo;

#endif

	unsigned len;

	char *ret, *p;

	memset (buf, 0, sizeof (glibtop_proc_args));

	if(glibtop_get_proc_data_psinfo_s(server, &pinfo, pid))

		return NULL;

	/* strnlen */

	for(len = 0; len < PRARGSZ; ++len)

	   if(!(pinfo.pr_psargs[len]))

	      break;

	if(max_len && max_len < len)

	{

		len = max_len;

	}

	ret = g_malloc(len + 1);

	memcpy(ret, pinfo.pr_psargs, len);

	ret[len] = 0;

	for(p = ret; *p; ++p)

	{

		if(*p == ' ') *p = 0;

	}

	buf->size  = len;

	buf->flags = _glibtop_sysdeps_proc_args;

	return ret;

}