🚀 go-pugleaf

While porting SHELLUTILS-1.8 to my ESIX 4.0.3a (SYS V/386 R4.0 V3.0)
system, I made some changes to allow "who" to use the ut_host member in
the utmpx structure.  Here are unified diffs of the changes.

The changes aren't elegant.  They allow "who" to function with the
utmpx file instead of the utmp file, while retaining the output format
(WRT field sizes) of the utmp fields.

- paul

--- Makefile.in.orig	Fri Sep 11 00:09:59 1992
+++ Makefile.in	Sun Nov  8 23:19:26 1992
@@ -52,7 +52,8 @@
 # -DHAVE_TZNAME		If you have tm_zone and tzname but not tm_zone;
 #			otherwise uses tm_isdst and timezone.
 # -DHAVE_C_LINE		If you have struct termios with the c_line member.
-# -DHAVE_UT_HOST	If you have ut_host in struct utmp.
+# -DHAVE_UTMPX		If you have struct utmpx.
+# -DHAVE_UT_HOST	If you have ut_host in struct utmp/utmpx.
 # -DNICE_PRIORITY	If you lack getpriority and setpriority system
 #			calls but have nice system call.
 # -DWINSIZE_IN_PTEM	If your system defines `struct winsize' in sys/ptem.h.

--- configure.in.orig	Thu Oct  1 20:56:22 1992
+++ configure.in	Sun Nov  8 23:19:14 1992
@@ -44,7 +44,12 @@
 AC_COMPILE_CHECK(ut_host in struct utmp,
 [#include <sys/types.h>
 #include <utmp.h>], [struct utmp ut; ut.ut_host;],
-AC_DEFINE(HAVE_UT_HOST))
+AC_DEFINE(HAVE_UT_HOST),
+AC_COMPILE_CHECK(ut_host in struct utmpx,
+[#include <sys/types.h>
+#include <utmpx.h>], [struct utmpx ut; ut.ut_host;],
+[AC_DEFINE(HAVE_UT_HOST)
+AC_DEFINE(HAVE_UTMPX)]))
 
 AC_COMPILE_CHECK(POSIX termios,
 [#include <sys/types.h>

--- src/who.c.orig	Wed Oct 28 15:02:50 1992
+++ src/who.c	Sun Nov  8 16:35:16 1992
@@ -34,7 +34,16 @@
 
 #include <stdio.h>
 #include <sys/types.h>
+#ifdef HAVE_UTMPX
+#include <utmpx.h>
+#define UTMP struct utmpx
+#undef  UTMP_FILE
+#define UTMP_FILE UTMPX_FILE
+#define ut_time ut_xtime
+#else
 #include <utmp.h>
+#define UTMP struct utmp
+#endif
 #include <time.h>
 #include <getopt.h>
 #ifndef _POSIX_SOURCE
@@ -60,7 +69,7 @@
 
 char *idle_string ();
 char *xmalloc ();
-struct utmp *search_entries ();
+UTMP *search_entries ();
 void error ();
 void list_entries ();
 void print_entry ();
@@ -176,7 +185,7 @@
   exit (0);
 }
 
-static struct utmp *utmp_contents;
+static UTMP *utmp_contents;
 
 /* Display a list of who is on the system, according to utmp file FILENAME. */
 
@@ -209,7 +218,7 @@
 
   fstat (desc, &file_stats);
   if (file_stats.st_size > 0)
-    utmp_contents = (struct utmp *) xmalloc ((unsigned) file_stats.st_size);
+    utmp_contents = (UTMP *) xmalloc ((unsigned) file_stats.st_size);
   else
     {
       close (desc);
@@ -223,7 +232,7 @@
   if (close (desc))
     error (1, errno, "%s", filename);
 
-  return file_stats.st_size / sizeof (struct utmp);
+  return file_stats.st_size / sizeof (UTMP);
 }
 
 /* Display a line of information about entry THIS. */
@@ -230,8 +239,9 @@
 
 void
 print_entry (this)
-     struct utmp *this;
+     UTMP *this;
 {
+  struct utmp *ut;
   struct stat stats;
   time_t last_change;
   char mesg;
@@ -251,12 +261,12 @@
     }
   
   printf ("%-*.*s",
-	  sizeof (this->ut_name), sizeof (this->ut_name),
+	  sizeof (ut->ut_name), sizeof (ut->ut_name),
 	  this->ut_name);
   if (include_mesg)
     printf ("  %c  ", mesg);
   printf (" %-*.*s",
-	  sizeof (this->ut_line), sizeof (this->ut_line),
+	  sizeof (ut->ut_line), sizeof (ut->ut_line),
 	  this->ut_line);
   printf (" %-12.12s", ctime (&this->ut_time) + 4);
   if (include_idle)
@@ -265,10 +275,11 @@
 	printf (" %s", idle_string (last_change));
       else
 	printf ("   .  ");
+      printf ( "  %5d", this->ut_pid);
     }
 #ifdef HAVE_UT_HOST
   if (this->ut_host[0])
-    printf (" (%-.*s)", sizeof (this->ut_host), this->ut_host);
+    printf ("  (%-.*s)", sizeof (this->ut_host), this->ut_host);
 #endif
 
   putchar ('\n');
@@ -281,7 +292,7 @@
 list_entries (n)
      int n;
 {
-  register struct utmp *this = utmp_contents;
+  register UTMP *this = utmp_contents;
   register int entries = 0;
 
   while (n--)
@@ -311,8 +322,11 @@
   printf ("%-*s ", sizeof (ut->ut_line), "LINE");
   printf ("LOGIN-TIME   ");
   if (include_idle)
-    printf ("IDLE  ");
-  printf ("FROM\n");
+    printf (" IDLE    PID ");
+#ifdef HAVE_UT_HOST
+  printf (" FROM");
+#endif
+  putchar ('\n');
 }
 
 /* Display `utmp_contents', which should have N entries. */
@@ -321,7 +335,7 @@
 scan_entries (n)
      int n;
 {
-  register struct utmp *this = utmp_contents;
+  register UTMP *this = utmp_contents;
 
   if (include_heading)
     print_heading ();
@@ -343,12 +357,12 @@
    Return the first matching entry found, or NULL if there
    is no matching entry. */
 
-struct utmp *
+UTMP *
 search_entries (n, line)
      int n;
      char *line;
 {
-  register struct utmp *this = utmp_contents;
+  register UTMP *this = utmp_contents;
 
   while (n--)
     {
@@ -370,7 +384,7 @@
 who_am_i (filename)
      char *filename;
 {
-  register struct utmp *utmp_entry;
+  register UTMP *utmp_entry;
   char hostname[MAXHOSTNAMELEN + 1];
   char *tty;
 

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