85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
/* $Id$ */
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/* Copyright (C) 1998-99 Martin Baulig
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This file is part of LibGTop 1.0.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/xmalloc.h>
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#include <glibtop/procargs.h>
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#include <glibtop_private.h>
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static const unsigned long _glibtop_sysdeps_proc_args =
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(1 << GLIBTOP_PROC_ARGS_SIZE);
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/* Init function. */
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void
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glibtop_init_proc_args_s (glibtop *server)
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{
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server->sysdeps.proc_args = _glibtop_sysdeps_proc_args;
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}
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/* Provides detailed information about a process. */
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char *
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glibtop_get_proc_args_s (glibtop *server, glibtop_proc_args *buf,
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pid_t pid, unsigned max_len)
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{
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char buffer [BUFSIZ];
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char *retval = NULL, *ptr;
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size_t total;
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int ret;
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memset (buf, 0, sizeof (glibtop_proc_args));
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if (max_len > BUFSIZ)
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retval = ptr = glibtop_malloc_r (server, max_len+1);
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else
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ptr = buffer;
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if (!max_len)
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max_len = BUFSIZ;
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ret = glibtop_get_proc_data_proc_args_s (server, pid, ptr, max_len);
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if (!ret) {
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if (!retval) glibtop_free_r (server, retval);
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return NULL;
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}
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total = ret;
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if (retval) {
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retval = glibtop_realloc_r (server, retval, total+1);
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} else {
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retval = glibtop_malloc_r (server, total+1);
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memcpy (retval, buffer, total);
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}
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retval [total] = 0;
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buf->size = total;
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buf->flags = _glibtop_sysdeps_proc_args;
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return retval;
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}
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