On Mon, 28 May 2001 emre@vsrc.uab.edu wrote:

> When I type "who" I can see all users logged on and the hosst they are
> logged from. But somehow I can only see part of the hostname (if it's
> too long).  Is there a way to make it show the full hostname?

/usr/src/usr.bin/who/who.c uses:

                printf("\t(%.*s)", (int)UT_HOSTSIZE, up->ut_host);

UT_HOSTSIZE is 16.

It would be interesting to add an option for no cropped strings; here is
something to try (use the -N switch):


--- who.c-orig	Tue May 29 22:30:15 2001
+++ who.c	Tue May 29 22:41:19 2001
@@ -70,6 +70,7 @@
@@ -70,6 +70,7 @@
 
 int show_term;			/* show term state */
 int show_idle;			/* show idle time */
+int no_crop;			/* i.e. don't shorten hostnames */
 
 int main __P((int, char **));
 
@@ -84,8 +85,8 @@
 
 	setlocale(LC_ALL, "");
 
-	only_current_term = show_term = show_idle = show_labels = 0;
-	while ((c = getopt(argc, argv, "mTuH")) != -1) {
+	only_current_term = show_term = show_idle = show_labels = no_crop = 0;
+	while ((c = getopt(argc, argv, "mTuHN")) != -1) {
 		switch (c) {
 		case 'm':
 			only_current_term = 1;
@@ -99,6 +100,9 @@
 		case 'H':
 			show_labels = 1;
 			break;
+		case 'N':
+			no_crop = 1;  /* don't shorten strings */
+			break;
 		default:
 			usage();
 			/* NOTREACHED */
@@ -209,13 +213,21 @@
 		
 	}
 
-	(void)printf("%-*.*s ", (int)UT_NAMESIZE, (int)UT_NAMESIZE, up->ut_name);
+	if (! no_crop)
+		(void)printf("%-*.*s ",
+		  (int)UT_NAMESIZE, (int)UT_NAMESIZE, up->ut_name);
+	else
+		(void)printf("%s ", up->ut_name);
 
 	if (show_term) {
 		(void)printf("%c ", state);
 	}
 
-	(void)printf("%-*.*s ", (int)UT_LINESIZE, (int)UT_LINESIZE, up->ut_line);
+	if (! no_crop)
+		(void)printf("%-*.*s ",
+		  (int)UT_LINESIZE, (int)UT_LINESIZE, up->ut_line);
+	else
+		(void)printf("%s ", up->ut_line);
 	(void)printf("%.12s ", ctime(&up->ut_time) + 4);
 
 	if (show_idle) {
@@ -229,8 +241,12 @@
 			(void)printf(" old  ");
 	}
 	
-	if (*up->ut_host)
-		printf("\t(%.*s)", (int)UT_HOSTSIZE, up->ut_host);
+	if (*up->ut_host) {
+		if (! no_crop)
+			printf("\t(%.*s)", (int)UT_HOSTSIZE, up->ut_host);
+		else
+			printf("\t(%s)", up->ut_host);
+	}
 	(void)putchar('\n');
 }
 
@@ -269,6 +285,6 @@
 void
 usage()
 {
-	(void)fprintf(stderr, "usage: who [-mTuH] [ file ]\n       who am i\n");
+	(void)fprintf(stderr, "usage: who [-mTuHN] [ file ]\n       who am i\n");
 	exit(1);
 }


   Jeremy C. Reed
   http://www.reedmedia.net/