From f2feec9809edbeeee0bb5b036e4ae25f9c37cd14 Mon Sep 17 00:00:00 2001
From: John Baldwin <jhb@FreeBSD.org>
Date: Tue, 19 Jan 2016 10:23:00 -0800
Subject: Use a separate variable for the size passed to sysctl.

This fixes a sign mismatch warning.

gdb/ChangeLog:

	* fbsd-nat.c (fbsd_pid_to_exec_file): Use new "buflen" instead of
	"len" with sysctl.
---
 gdb/fbsd-nat.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'gdb/fbsd-nat.c')

diff --git a/gdb/fbsd-nat.c b/gdb/fbsd-nat.c
index d2ec527..e7ca0e6 100644
--- a/gdb/fbsd-nat.c
+++ b/gdb/fbsd-nat.c
@@ -43,18 +43,20 @@
 static char *
 fbsd_pid_to_exec_file (struct target_ops *self, int pid)
 {
-  ssize_t len = PATH_MAX;
+  ssize_t len;
   static char buf[PATH_MAX];
   char name[PATH_MAX];
 
 #ifdef KERN_PROC_PATHNAME
+  size_t buflen;
   int mib[4];
 
   mib[0] = CTL_KERN;
   mib[1] = KERN_PROC;
   mib[2] = KERN_PROC_PATHNAME;
   mib[3] = pid;
-  if (sysctl (mib, 4, buf, &len, NULL, 0) == 0)
+  buflen = sizeof buf;
+  if (sysctl (mib, 4, buf, &buflen, NULL, 0) == 0)
     return buf;
 #endif
 
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