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Update to reflect current reality for template characters - the process 

ID is not longer used and we replace each "X" with one of 64 values not
26 values.
thorpej-cfargs2
simonb 2021-07-25 08:52:03 +00:00
parent 6201c2aa16
commit 1045db0b2f
2 changed files with 14 additions and 21 deletions
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25
lib/libc/stdio/mktemp.3
View File

@ -1,4 +1,4 @@
.\" $NetBSD: mktemp.3,v 1.30 2014/06/19 09:30:33 wiz Exp $
.\" $NetBSD: mktemp.3,v 1.31 2021/07/25 08:52:03 simonb Exp $
.\"
.\" Copyright (c) 1989, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@ -29,7 +29,7 @@
.\"
.\" @(#)mktemp.3 8.1 (Berkeley) 6/4/93
.\"
.Dd June 18, 2014
.Dd July 25, 2021
.Dt MKTEMP 3
.Os
.Sh NAME
@ -67,33 +67,26 @@ This file name is unique and suitable for use
by the application.
The template may be any file name with some number of
.So Li X
.Sc Ns s
appended
to it, for example
characters appended to it, for example
.Pa /tmp/temp.XXXXXX .
The trailing
.So Li X
.Sc Ns s
are replaced with the current process number and/or a
unique letter combination.
The number of unique file names
characters in the template are replaced with a unique letter and number
combination.
.Fn mktemp
can return depends on the number of
.So Li X
.Sc Ns s
provided.
characters provided.
Although the
.Nx
implementation of the functions will accept any number of trailing
.So Li X
.Sc Ns s ,
for portability reasons one should use only six.
characters, for portability reasons one should use only six.
Using six
.So Li X
.Sc Ns s
will result in
characters will result in
.Fn mktemp
testing roughly 26 ** 6 (308915776) combinations.
testing roughly 62 ** 6 (56800235584) combinations.
.Pp
The
.Fn mkstemp

10
usr.bin/mktemp/mktemp.1
View File

@ -1,4 +1,4 @@
.\" $NetBSD: mktemp.1,v 1.23 2017/07/03 21:34:20 wiz Exp $
.\" $NetBSD: mktemp.1,v 1.24 2021/07/25 08:52:03 simonb Exp $
.\" From: $FreeBSD: src/usr.bin/mktemp/mktemp.1,v 1.5 1999/08/28 01:04:13 peter Exp $
.\" From: $OpenBSD: mktemp.1,v 1.8 1998/03/19 06:13:37 millert Exp $
.\"
@ -31,7 +31,7 @@
.\"
.\" $FreeBSD: src/usr.bin/mktemp/mktemp.1,v 1.5 1999/08/28 01:04:13 peter Exp $
.\"
.Dd November 4, 2012
.Dd July 25, 2021
.Dt MKTEMP 1
.Os
.Sh NAME
@ -61,8 +61,8 @@ characters, such as
.Pa /tmp/prefix.XXXX .
The trailing
.Ql X
characters in the template are replaced by unique values derived from
the current process number and additional letters or numbers.
characters in the template are replaced with a unique letter and number
combination.
Any
.Ql X
characters other than at the end of the template are taken literally.
@ -74,7 +74,7 @@ in the template; six
.Ql X Ns s
will result in
.Nm
testing roughly 26 ** 6 combinations.
testing roughly 62 ** 6 (56800235584) combinations.
.Pp
The templates used to create the unique names are derived from the
.Fl t Ar prefix