From 66e2f9998bf139680d5b7bc2a7d529a3de0dbe02 Mon Sep 17 00:00:00 2001
From: Mikolaj Golub <trociny@FreeBSD.org>
Date: Sat, 20 Apr 2013 08:05:04 +0000
Subject: [PATCH] Use libprocstat(3) when retrieving binary information for a
 process.

MFC after:	1 month
---
 usr.bin/procstat/procstat.c     |  2 +-
 usr.bin/procstat/procstat.h     |  2 +-
 usr.bin/procstat/procstat_bin.c | 33 ++++++---------------------------
 3 files changed, 8 insertions(+), 29 deletions(-)

diff --git a/usr.bin/procstat/procstat.c b/usr.bin/procstat/procstat.c
index 86451b368722..16f2c99937d5 100644
--- a/usr.bin/procstat/procstat.c
+++ b/usr.bin/procstat/procstat.c
@@ -59,7 +59,7 @@ procstat(struct procstat *prstat, struct kinfo_proc *kipp)
 {
 
 	if (bflag)
-		procstat_bin(kipp);
+		procstat_bin(prstat, kipp);
 	else if (cflag)
 		procstat_args(kipp);
 	else if (eflag)
diff --git a/usr.bin/procstat/procstat.h b/usr.bin/procstat/procstat.h
index d825e78ae575..e651665edb09 100644
--- a/usr.bin/procstat/procstat.h
+++ b/usr.bin/procstat/procstat.h
@@ -37,7 +37,7 @@ void	kinfo_proc_sort(struct kinfo_proc *kipp, int count);
 void	procstat_args(struct kinfo_proc *kipp);
 void	procstat_auxv(struct kinfo_proc *kipp);
 void	procstat_basic(struct kinfo_proc *kipp);
-void	procstat_bin(struct kinfo_proc *kipp);
+void	procstat_bin(struct procstat *prstat, struct kinfo_proc *kipp);
 void	procstat_cred(struct procstat *prstat, struct kinfo_proc *kipp);
 void	procstat_env(struct kinfo_proc *kipp);
 void	procstat_files(struct procstat *prstat, struct kinfo_proc *kipp);
diff --git a/usr.bin/procstat/procstat_bin.c b/usr.bin/procstat/procstat_bin.c
index 718103dd69cc..dc88c38c5124 100644
--- a/usr.bin/procstat/procstat_bin.c
+++ b/usr.bin/procstat/procstat_bin.c
@@ -40,40 +40,19 @@
 #include "procstat.h"
 
 void
-procstat_bin(struct kinfo_proc *kipp)
+procstat_bin(struct procstat *prstat, struct kinfo_proc *kipp)
 {
-	char pathname[PATH_MAX];
-	int error, osrel, name[4];
-	size_t len;
+	int osrel;
+	static char pathname[PATH_MAX];
 
 	if (!hflag)
 		printf("%5s %-16s %8s %s\n", "PID", "COMM", "OSREL", "PATH");
 
-	name[0] = CTL_KERN;
-	name[1] = KERN_PROC;
-	name[2] = KERN_PROC_PATHNAME;
-	name[3] = kipp->ki_pid;
-
-	len = sizeof(pathname);
-	error = sysctl(name, 4, pathname, &len, NULL, 0);
-	if (error < 0 && errno != ESRCH) {
-		warn("sysctl: kern.proc.pathname: %d", kipp->ki_pid);
+	if (procstat_getpathname(prstat, kipp, pathname, sizeof(pathname)) != 0)
 		return;
-	}
-	if (error < 0)
-		return;
-	if (len == 0 || strlen(pathname) == 0)
+	if (strlen(pathname) == 0)
 		strcpy(pathname, "-");
-
-	name[2] = KERN_PROC_OSREL;
-
-	len = sizeof(osrel);
-	error = sysctl(name, 4, &osrel, &len, NULL, 0);
-	if (error < 0 && errno != ESRCH) {
-		warn("sysctl: kern.proc.osrel: %d", kipp->ki_pid);
-		return;
-	}
-	if (error < 0)
+	if (procstat_getosrel(prstat, kipp, &osrel) != 0)
 		return;
 
 	printf("%5d ", kipp->ki_pid);