[src/trunk]: src/external/bsd/top/dist/machine for "countable" lwp names, try...

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

details:   https://anonhg.NetBSD.org/src/rev/2762922f5f95
branches:  trunk
changeset: 450822:2762922f5f95
user:      christos <christos%NetBSD.org@localhost>
date:      Fri Apr 26 19:39:19 2019 +0000

description:
for "countable" lwp names, try to display name*<count> instead of truncating.

diffstat:

 external/bsd/top/dist/machine/m_netbsd.c |  28 ++++++++++++++++++++++++----
 1 files changed, 24 insertions(+), 4 deletions(-)

diffs (60 lines):

diff -r ca5e4c87046b -r 2762922f5f95 external/bsd/top/dist/machine/m_netbsd.c
--- a/external/bsd/top/dist/machine/m_netbsd.c  Fri Apr 26 19:17:05 2019 +0000
+++ b/external/bsd/top/dist/machine/m_netbsd.c  Fri Apr 26 19:39:19 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: m_netbsd.c,v 1.21 2018/10/30 21:15:09 kre Exp $        */
+/*     $NetBSD: m_netbsd.c,v 1.22 2019/04/26 19:39:19 christos Exp $   */
 
 /*
  * top - a top users display for Unix
@@ -37,12 +37,12 @@
  *             Andrew Doran <ad%NetBSD.org@localhost>
  *
  *
- * $Id: m_netbsd.c,v 1.21 2018/10/30 21:15:09 kre Exp $
+ * $Id: m_netbsd.c,v 1.22 2019/04/26 19:39:19 christos Exp $
  */
 #include <sys/cdefs.h>
 
 #ifndef lint
-__RCSID("$NetBSD: m_netbsd.c,v 1.21 2018/10/30 21:15:09 kre Exp $");
+__RCSID("$NetBSD: m_netbsd.c,v 1.22 2019/04/26 19:39:19 christos Exp $");
 #endif
 
 #include <sys/param.h>
@@ -879,6 +879,26 @@
 }
 
 static char *
+countable(char *p, size_t l)
+{
+       static const char digits[] = "0123456789";
+       size_t first = strcspn(p, digits);
+       size_t last = strspn(p + first, digits);
+       size_t len = first + last;
+       if (p[len] || last == 0)
+               return p;
+       if (len < l)
+               return p;
+       if (l < last + 1)
+               return p;
+       size_t start = l - last - 1;
+       p[start] = '*';
+       memmove(p + start + 1, p + first, len - first);
+       p[l] = '\0';
+       return p;
+}
+
+static char *
 format_next_lwp(caddr_t handle, char *(*get_userid)(int))
 {
        struct kinfo_proc2 *pp;
@@ -946,7 +966,7 @@
            format_time(cputime),
            100.0 * weighted_cpu(l_, pct, pl),
            100.0 * pct,
-           printable(pl->l_name),
+           countable(printable(pl->l_name), 9),
            get_command(hp->sel, pp));
 
        /* return the result */