Mention that basename(3) and dirname(3) will change in the future.

Update the existing manual pages for basename(3) and dirname(3) to
mention that in future versions of FreeBSD, these functions will no
longer use internal buffers for storing the results.

MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D7356
This commit is contained in:
Ed Schouten 2016-07-29 16:25:09 +00:00
parent bb88f82294
commit 329ecc7f94
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=303486
2 changed files with 16 additions and 7 deletions

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@ -16,7 +16,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd July 28, 2016
.Dd July 29, 2016
.Dt BASENAME 3
.Os
.Sh NAME
@ -61,8 +61,16 @@ function
returns a pointer to internal storage space allocated on the first call
that will be overwritten
by subsequent calls.
.Pp
Other vendor implementations of
.Fn basename
may store their result in the input buffer,
making it safe to use in multithreaded applications.
Future versions of
.Fx
will follow this approach as well.
.Fn basename_r
is therefore preferred for threaded applications.
will then become obsolete.
.Sh RETURN VALUES
On successful completion,
.Fn basename

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@ -16,7 +16,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd July 28, 2016
.Dd July 29, 2016
.Dt DIRNAME 3
.Os
.Sh NAME
@ -56,10 +56,11 @@ by subsequent calls.
.Pp
Other vendor implementations of
.Fn dirname
may modify the contents of the string passed to
.Fn dirname ;
this should be taken into account when writing code which calls this function
if portability is desired.
may store their result in the input buffer,
making it safe to use in multithreaded applications.
Future versions of
.Fx
will follow this approach as well.
.Sh RETURN VALUES
On successful completion,
.Fn dirname