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/* $Id$ */
/* 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <procinfo.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/procargs.h>
#include "utils.h"
static const unsigned long _glibtop_sysdeps_proc_args =
(1 << 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. */
static void _glibtop_remove_non_ascii(char* string)
{
for (;*string != 0;string++)
{
if (!isascii(*string))
*string = '?';
}
}
char *
glibtop_get_proc_args_s (glibtop *server, glibtop_proc_args *buf,
pid_t pid, unsigned max_len)
{
struct procsinfo *pinfo;
char *args_buffer;
char* args = NULL;
int size;
int result;
int len;
memset (buf, 0, sizeof (glibtop_proc_args));
pinfo = _glibtop_get_procinfo(server, pid);
if (pinfo == NULL)
{
glibtop_error_io_r (server, "Cannot read procsinfo");
return NULL;
}
size = max_len != 0 ? max_len : 4096;
args_buffer = g_malloc (server, size);
if (args_buffer == NULL)
{
glibtop_error_io_r (server, "Cannot malloc procsinfo");
return NULL;
}
result = getargs(pinfo, sizeof(struct procsinfo), args_buffer, size);
if (result == -1)
{
glibtop_error_io_r (server, "Cannot malloc getargs");
g_free(args_buffer);
return NULL;
}
/* look if empty string */
if (args_buffer[0] == 0)
{
g_free(args_buffer);
return NULL;
}
/* compute length of args and realloc */
len = 0;
while ((args_buffer[len] != 0) && (len < size))
{
_glibtop_remove_non_ascii(args_buffer + len);
len += strlen(args_buffer + len) + 1;
}
args = g_malloc (server, len);
if (args == NULL)
{
glibtop_error_io_r (server, "Cannot malloc procsinfo");
g_free(args_buffer);
return NULL;
}
memcpy(args, args_buffer, len);
g_free(args_buffer);
buf->size = len - 1;
buf->flags = _glibtop_sysdeps_proc_args;
return args;
}
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