[src/trunk]: src/usr.bin/fstat - add more debugging.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2a0314050830
branches:  trunk
changeset: 782879:2a0314050830
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Nov 25 00:36:23 2012 +0000

description:
- add more debugging.
- in misctrans() we need the file index not the file type.

diffstat:

 usr.bin/fstat/fstat.c |  17 ++++++++++-------
 1 files changed, 10 insertions(+), 7 deletions(-)

diffs (62 lines):

diff -r d67c47005ad4 -r 2a0314050830 usr.bin/fstat/fstat.c
--- a/usr.bin/fstat/fstat.c     Sat Nov 24 22:29:09 2012 +0000
+++ b/usr.bin/fstat/fstat.c     Sun Nov 25 00:36:23 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: fstat.c,v 1.99 2012/10/19 02:49:52 christos Exp $      */
+/*     $NetBSD: fstat.c,v 1.100 2012/11/25 00:36:23 christos Exp $     */
 
 /*-
  * Copyright (c) 1988, 1993
@@ -39,7 +39,7 @@
 #if 0
 static char sccsid[] = "@(#)fstat.c    8.3 (Berkeley) 5/2/95";
 #else
-__RCSID("$NetBSD: fstat.c,v 1.99 2012/10/19 02:49:52 christos Exp $");
+__RCSID("$NetBSD: fstat.c,v 1.100 2012/11/25 00:36:23 christos Exp $");
 #endif
 #endif /* not lint */
 
@@ -170,7 +170,7 @@
 #endif
 static const char *at_addrstr(char *, size_t, const struct sockaddr_at *);
 static void    socktrans(struct socket *, int);
-static void    misctrans(struct file *);
+static void    misctrans(struct file *, int);
 static int     ufs_filestat(struct vnode *, struct filestat *);
 static void    usage(void) __dead;
 static const char   *vfilestat(struct vnode *, struct filestat *);
@@ -485,8 +485,11 @@
                    i, fp, Pid);
                return;
        }
-       if (fdfile.ff_file == NULL)
+       if (fdfile.ff_file == NULL) {
+               dprintf("null ff_file for %d at %p for pid %d",
+                   i, fp, Pid);
                return;
+       }
        if (!KVM_READ(fdfile.ff_file, &file, sizeof(file))) {
                dprintf("can't read file %d at %p for pid %d",
                    i, fdfile.ff_file, Pid);
@@ -510,7 +513,7 @@
        case DTYPE_MQUEUE:
        case DTYPE_SEM:
                if (checkfile == 0)
-                       misctrans(&file);
+                       misctrans(&file, i);
                break;
        default:
                dprintf("unknown file type %d for file %d of pid %d",
@@ -1192,10 +1195,10 @@
 }
 
 static void
-misctrans(struct file *file)
+misctrans(struct file *file, int i)
 {
 
-       PREFIX((int)file->f_type);
+       PREFIX(i);
        pmisc(file, dtypes[file->f_type]);
 }