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[src/trunk]: src/external/bsd/top/dist/machine - Bump field width for state t...



details:   https://anonhg.NetBSD.org/src/rev/7bd49d0d5316
branches:  trunk
changeset: 954275:7bd49d0d5316
user:      christos <christos%NetBSD.org@localhost>
date:      Sat Apr 03 19:25:38 2021 +0000

description:
- Bump field width for state to accommodate > 9 CPUs
- When star formatting to adjust the width, count the trailing number of
  digits starting backwards instead of using strcspn because the lwp name
  might contain other digits like wm0TxRx/10.

diffstat:

 external/bsd/top/dist/machine/m_netbsd.c |  39 ++++++++++++++++++-------------
 1 files changed, 23 insertions(+), 16 deletions(-)

diffs (90 lines):

diff -r 04ec5ac621be -r 7bd49d0d5316 external/bsd/top/dist/machine/m_netbsd.c
--- a/external/bsd/top/dist/machine/m_netbsd.c  Sat Apr 03 17:46:07 2021 +0000
+++ b/external/bsd/top/dist/machine/m_netbsd.c  Sat Apr 03 19:25:38 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: m_netbsd.c,v 1.23 2019/04/27 14:10:01 christos Exp $   */
+/*     $NetBSD: m_netbsd.c,v 1.24 2021/04/03 19:25:38 christos Exp $   */
 
 /*
  * top - a top users display for Unix
@@ -37,12 +37,12 @@
  *             Andrew Doran <ad%NetBSD.org@localhost>
  *
  *
- * $Id: m_netbsd.c,v 1.23 2019/04/27 14:10:01 christos Exp $
+ * $Id: m_netbsd.c,v 1.24 2021/04/03 19:25:38 christos Exp $
  */
 #include <sys/cdefs.h>
 
 #ifndef lint
-__RCSID("$NetBSD: m_netbsd.c,v 1.23 2019/04/27 14:10:01 christos Exp $");
+__RCSID("$NetBSD: m_netbsd.c,v 1.24 2021/04/03 19:25:38 christos Exp $");
 #endif
 
 #include <sys/param.h>
@@ -57,6 +57,7 @@
 #include <errno.h>
 #include <kvm.h>
 #include <math.h>
+#include <ctype.h>
 #include <nlist.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -102,18 +103,18 @@
  */
 
 static char Proc_header[] =
-  "  PID X        PRI NICE   SIZE   RES STATE      TIME   WCPU    CPU COMMAND";
+  "  PID X        PRI NICE   SIZE   RES STATE       TIME  WCPU   CPU   COMMAND";
 /* 0123456   -- field to fill in starts at header+6 */
 #define PROC_UNAME_START 6
 #define Proc_format \
-       "%5d %-8.8s %3d %4d%7s %5s %-8.8s%7s %5.*f%% %5.*f%% %s"
+       "%5d %-8.8s %3d %4d%7s %5s %-9.9s%7s %5.*f%% %5.*f%% %s"
 
 static char Thread_header[] =
-  "  PID   LID X        PRI STATE      TIME   WCPU    CPU NAME      COMMAND";
+  "  PID   LID X        PRI STATE       TIME  WCPU   CPU   NAME      COMMAND";
 /* 0123456   -- field to fill in starts at header+6 */
 #define THREAD_UNAME_START 12
 #define Thread_format \
-        "%5d %5d %-8.8s %3d %-8.8s%7s %5.2f%% %5.2f%% %-9.9s %s"
+        "%5d %5d %-8.8s %3d %-9.9s%7s %5.2f%% %5.2f%% %-9.9s %s"
 
 /* 
  * Process state names for the "STATE" column of the display.
@@ -879,19 +880,25 @@
 }
 
 static char *
-countable(char *p, size_t l)
+countable(char *p, size_t width)
 {
-       static const char digits[] = "0123456789";
-       size_t first = strcspn(p, digits);              // non digits
-       size_t last = strspn(p + first, digits);        // trailing digits
-       size_t len = first + last;                      
-       if (p[len] || last == 0)        // should be total and must have digits
+       size_t len = strlen(p);
+       if (len < width) {              // shorter than width, ok
                return p;
-       if (len < l)                    // if shorter, done
+       }
+       size_t first, last = len - 1;
+       for (first = len - 1; isdigit((unsigned char)p[first]); first--) {
+               continue;
+       }
+       if (first == len - 1) {         // no digits, ok
                return p;
-       if (l < last + 1)               // if not enough for digits, done
+       }
+       first++;
+       last = len - first;
+       if (width < last + 1) {         // if not enough for digits, done
                return p;
-       size_t start = l - last - 1;    // compute starting point
+       }
+       size_t start = width - last - 1;        // compute starting point
        p[start] = '*';                 // put a star
        memmove(p + start + 1, p + first, last + 1);    // move digits and NUL
        return p;



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