1 files changed, 91 insertions, 0 deletions
diff --git a/usr.bin/procstat/procstat_args.c b/usr.bin/procstat/procstat_args.c
new file mode 100644
index 0000000..b13aa72
--- /dev/null
+++ b/usr.bin/procstat/procstat_args.c
@@ -0,0 +1,91 @@
+/*-
+ * Copyright (c) 2007 Robert N. M. Watson
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <sys/user.h>
+
+#include <err.h>
+#include <errno.h>
+#include <libprocstat.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "procstat.h"
+
+static char args[ARG_MAX];
+
+static void
+do_args(struct kinfo_proc *kipp, int env)
+{
+	int error, name[4];
+	size_t len;
+	char *cp;
+
+	if (!hflag)
+		printf("%5s %-16s %-53s\n", "PID", "COMM",
+		    env ? "ENVIRONMENT" : "ARGS");
+
+	name[0] = CTL_KERN;
+	name[1] = KERN_PROC;
+	name[2] = env ? KERN_PROC_ENV : KERN_PROC_ARGS;
+	name[3] = kipp->ki_pid;
+	len = sizeof(args);
+	error = sysctl(name, 4, args, &len, NULL, 0);
+	if (error < 0 && errno != ESRCH && errno != EPERM) {
+		warn("sysctl: kern.proc.%s: %d: %d", env ? "env" : "args",
+		    kipp->ki_pid, errno);
+		return;
+	}
+	if (error < 0)
+		return;
+	if (len == 0 || strlen(args) == 0) {
+		strcpy(args, "-");
+		len = strlen(args) + 1;
+	}
+
+	printf("%5d ", kipp->ki_pid);
+	printf("%-16s ", kipp->ki_comm);
+	for (cp = args; cp < args + len; cp += strlen(cp) + 1)
+		printf("%s%s", cp != args ? " " : "", cp);
+	printf("\n");
+}
+
+void
+procstat_args(struct kinfo_proc *kipp)
+{
+	do_args(kipp, 0);
+}
+
+void
+procstat_env(struct kinfo_proc *kipp)
+{
+	do_args(kipp, 1);
+}