From: Delepine Jean Charles <delepine@fst.univ-lehavre.fr>
> On Sun, 21 Apr 1996, David S. Miller wrote:
> 
> > 
> > format of /proc/$pid/stat has changed in 1.3.91
> Here's what I seen : (with procps0.99a)
> zulte:~$ ps -t1
>   PID TTY STAT  TIME COMMAND
> Segmentation fault
> zulte:~$ ps -at1
>   PID TTY STAT  TIME COMMAND
>    70   1 S     0:00 -bash
>  2289   1 S     0:03 pine
> zulte:~$ uname -a
> Linux zulte 1.3.91 #9 Thu Apr 18 17:29:52 MET DST 1996 i586
> 
> Is there a new patched procps available somewhere ?

The following patch fixed the SEGV problem for me, and it made "ps -t"
work the "right" way:

diff -ru orig/procps-0.99a/proc/devname.c build/procps-0.99a/proc/devname.c
--- orig/procps-0.99a/proc/devname.c	Wed Jan 17 19:47:13 1996
+++ build/procps-0.99a/proc/devname.c	Tue Apr 23 01:10:40 1996
@@ -43,8 +43,13 @@
    many-to-one: -1 on failed match.
 */
 dev_t name_to_dev(char* name) {
-    static struct stat sbuf;
-    return (stat(name_to_path(name), &sbuf) < 0) ? -1 : sbuf.st_rdev;
+    struct stat sbuf;
+    if (*name) { /* use named tty */
+	if (stat(name_to_path(name), &sbuf) < 0) return -1;
+    }
+    else if (fstat(0, &sbuf) < 0) return -1; /* use current tty */
+    if (!S_ISCHR(sbuf.st_mode)) return -1;
+    return sbuf.st_rdev;
 }
 
 /* find m in a[] assuming a is sorted into ascending order */
diff -ru orig/procps-0.99a/proc/readproc.c build/procps-0.99a/proc/readproc.c
--- orig/procps-0.99a/proc/readproc.c	Sun Feb 25 02:31:32 1996
+++ build/procps-0.99a/proc/readproc.c	Mon Apr 22 02:41:02 1996
@@ -186,7 +186,7 @@
 	    T x = (X), *l = (L);		\
 	    int i = 0, n = (N);			\
 	    while (i < n && l[i] != x) i++;	\
-	    l[i] == x;				\
+	    i < n && l[i] == x;			\
 	} )
 
 /* readproc: return a pointer to a proc_t filled with requested info about the
diff -ru orig/procps-0.99a/ps.c build/procps-0.99a/ps.c
--- orig/procps-0.99a/ps.c	Sat Feb 24 21:50:04 1996
+++ build/procps-0.99a/ps.c	Tue Apr 23 01:06:19 1996
@@ -244,7 +244,7 @@
 	    fprintf(stderr, "the name `%s' is not a tty\n", CL_ctty);
 	    exit(1);
 	}
-	pflags = (pflags | PROC_TTY) & ~PROC_ANYTTY;
+	pflags = (pflags | PROC_TTY) & ~(PROC_ANYTTY|PROC_STAT|PROC_UID|PROC_PID);
 	args = tty;
     }
     show_procs(cmdspc, do_header, pflags, args, N);
-- 
 Michael "Tired" Riepe <riepe@ifwsn4.ifw.uni-hannover.de>
 "Beware the storm that gathers here!" (The Prophet's Song)