1 files changed, 101 insertions, 0 deletions
diff --git a/sysdeps/linux/procargs.c b/sysdeps/linux/procargs.c
new file mode 100644
index 00000000..5436bbdb
--- /dev/null
+++ b/sysdeps/linux/procargs.c
@@ -0,0 +1,101 @@
+/* $Id$ */
+
+/* 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 <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/xmalloc.h>
+#include <glibtop/procargs.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)
+{
+	char fn [BUFSIZ], buffer [BUFSIZ];
+	int cmdline, len, total = 0;
+	char *retval = NULL;
+
+	glibtop_init_s (&server, GLIBTOP_SYSDEPS_PROC_ARGS, 0);
+	
+	memset (buf, 0, sizeof (glibtop_proc_args));
+
+	sprintf (fn, "/proc/%d/cmdline", pid);
+	
+	cmdline = open (fn, O_RDONLY);
+	if (cmdline < 0) return NULL;
+
+	if (max_len) {
+		retval = glibtop_malloc_r (server, max_len+1);
+
+		len = read (cmdline, retval, max_len);
+		close (cmdline);
+
+		if (len < 0) {
+			glibtop_free_r (server, retval);
+			return NULL;
+		}
+
+		*(retval+len) = 0;
+
+		buf->size = len;
+		buf->flags = _glibtop_sysdeps_proc_args;
+
+		return retval;
+	}
+
+	while (1) {
+		len = read (cmdline, buffer, BUFSIZ-1);
+		if (len < 0) {
+			close (cmdline);
+			glibtop_free_r (server, retval);
+			return NULL;
+		}
+
+		if (len == 0)
+			break;
+
+		retval = glibtop_realloc_r (server, retval, total+len+1);
+		memcpy (retval+total, buffer, len);
+		*(retval+total+len) = 0;
+		total += len;
+	}
+	
+	close (cmdline);
+
+	buf->size = total;
+	buf->flags = _glibtop_sysdeps_proc_args;
+	
+	return retval;
+}