Added darwin port. Patch by Benjamin Reed <ranger@befunk.com>. Closes

Added darwin port.
Patch by Benjamin Reed <ranger@befunk.com>.
Closes #481068.

Bumped version number to 2.21.1.

svn path=/trunk/; revision=2666

sysdeps/darwin/procargs.c

@@ -0,0 +1,130 @@
+/*
+   This file is part of LibGTop 2.0.
+
+   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 <config.h>
+#include <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procargs.h>
+
+#include <glibtop_suid.h>
+
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <limits.h>
+
+static const unsigned long _glibtop_sysdeps_proc_args =
+(1L << GLIBTOP_PROC_ARGS_SIZE);
+
+/* Init function. */
+
+void
+_glibtop_init_proc_args_p (glibtop *server)
+{
+	server->sysdeps.proc_args = _glibtop_sysdeps_proc_args;
+}
+
+/* Provides detailed information about a process. */
+
+char *
+glibtop_get_proc_args_p (glibtop *server, glibtop_proc_args *buf,
+			 pid_t pid, unsigned max_len)
+{
+	char argbuf[4096];
+	char *start, *end, *str;
+	size_t bufsize = 4096;
+	int mib [3];
+	unsigned length;
+	char *args;
+	int *ip;
+
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROC_ARGS), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_args));
+
+	mib [0] = CTL_KERN;
+	mib [1] = KERN_PROCARGS;
+	mib [2] = pid;
+	
+	/* !!! THE FOLLOWING CODE RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
+
+	glibtop_suid_enter (server);
+	if (sysctl (mib, 3, argbuf, &bufsize, NULL, 0) < 0) {
+		glibtop_suid_leave (server);
+		return NULL;
+	}
+	glibtop_suid_leave (server);
+
+	/* !!! END OF SUID ROOT PART !!! */
+
+    	end = &argbuf[bufsize];
+
+	ip = (int *)end - 2;
+	while (*--ip) {
+		if (ip == (int *)argbuf) {
+			return NULL;
+		}
+	}
+
+	start = (char *)(ip + 1);
+	while (*--ip) {
+		if (ip == (int *)argbuf) {
+			return NULL;
+		}
+	}
+	ip++;
+
+        if ((ip[0] & 0xbfff0000) == 0xbfff0000) {
+		ip += 2;
+		start = (char*)(ip + (strlen ((char*)ip) + 3) / 4);
+		while (!*start)
+			start++;
+	}
+
+	for (str = start + strlen (start); str < end - 1; str++) {
+		if (*str == '=') {
+			while (*str != '\0' && str > start)
+				str--;
+			break;
+		}
+	}
+	end = str;
+
+	if (start[0] == '-' || start[0] == '?' || start[0] <= ' ') {
+		return NULL;
+	}
+
+	length = end - start;
+	if (max_len != 0 && length > max_len)
+		length = max_len;
+	args = g_malloc(length + 1);
+	if (args == NULL) {
+		glibtop_warn_io_r (server, "malloc(procargs)");
+		return NULL;
+	}
+
+	memcpy (args, start, length);
+	args [length] = '\0';
+
+	buf->size = length;
+	buf->flags = _glibtop_sysdeps_proc_args;
+
+	return args;
+}