Clarify processing of the string argument by psignal().

1998-10-29 22:17:46 +00:00 · 1998-10-29 22:17:46 +00:00 · 30af884929
commit 30af884929
parent ff51c4f27c
1 changed files with 3 additions and 1 deletions
--- a/lib/libc/gen/psignal.3
+++ b/lib/libc/gen/psignal.3
@ -57,7 +57,9 @@ If the argument
 .Fa s
 is
 .Pf non- Dv NULL
-it is written to the standard error file descriptor
+and does not point to the null character,
+.Fa s
+is written to the standard error file descriptor
 prior to the message string,
 immediately followed by a colon and a space.
 If the signal number is not recognized