Must distinguish between "ambiguous" and "unknown" commands.

[unix-history] / usr / src / usr.bin / tail / tail.c

diff --git a/usr/src/usr.bin/tail/tail.c b/usr/src/usr.bin/tail/tail.c
index bdf481b..17c70d9 100644 (file)
--- a/usr/src/usr.bin/tail/tail.c
+++ b/usr/src/usr.bin/tail/tail.c
@@ -11,7 +11,7 @@ char copyright[] =
 #endif not lint
 
 #ifndef lint
 #endif not lint
 
 #ifndef lint

-static char sccsid[] = "@(#)tail.c     5.2 (Berkeley) %G%";
+static char sccsid[] = "@(#)tail.c     5.3 (Berkeley) %G%";

 #endif not lint
 
 /* tail command 
 #endif not lint
 
 /* tail command 


@@ -232,6 +232,7 @@ fexit()
        for (;;)
        {       sleep(1);
                while ((n = read (0, bin, BUFSIZ)) > 0)
        for (;;)
        {       sleep(1);
                while ((n = read (0, bin, BUFSIZ)) > 0)

-                       (void)write (1, bin, n);
+                       if (write (1, bin, n) < 0)
+                               exit(1);

        }
 }
        }
 }