From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Schwab Subject: [PATCH] prctl.2: Correct description of null-termination in PR_[GS]ET_NAME Date: Tue, 14 Oct 2014 11:12:18 +0200 Message-ID: Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org Cc: linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-man@vger.kernel.org The size of the process name has always been at most 16 byte _including_ the null terminator. This also means that the name returned by PR_GET_NAME is always null-terminated. Signed-off-by: Andreas Schwab --- man2/prctl.2 | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/man2/prctl.2 b/man2/prctl.2 index 1199891..4351ff9 100644 --- a/man2/prctl.2 +++ b/man2/prctl.2 @@ -240,7 +240,7 @@ using the value in the location pointed to by .IR "(char\ *) arg2" . The name can be up to 16 bytes long, .\" TASK_COMM_LEN in include/linux/sched.h -and should be null-terminated if it contains fewer bytes. +including the terminating null byte. This is the same attribute that can be set via .BR pthread_setname_np (3) and retrieved using @@ -256,7 +256,7 @@ Return the name of the calling thread, in the buffer pointed to by .IR "(char\ *) arg2" . The buffer should allow space for up to 16 bytes; -the returned string will be null-terminated if it is shorter than that. +the returned string will be null-terminated. .TP .BR PR_SET_NO_NEW_PRIVS " (since Linux 3.5)" Set the calling process's -- 2.1.2 -- Andreas Schwab, SUSE Labs, schwab-l3A5Bk7waGM@public.gmane.org GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different." -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html