diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/gen/basename.3 | 12 | ||||
| -rw-r--r-- | lib/libc/gen/dirname.3 | 11 |
2 files changed, 16 insertions, 7 deletions
diff --git a/lib/libc/gen/basename.3 b/lib/libc/gen/basename.3 index bcdd99e..1e8cccb 100644 --- a/lib/libc/gen/basename.3 +++ b/lib/libc/gen/basename.3 @@ -16,7 +16,7 @@ .\" .\" $FreeBSD$ .\" -.Dd March 31, 2010 +.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 diff --git a/lib/libc/gen/dirname.3 b/lib/libc/gen/dirname.3 index ba5cce3..1024992 100644 --- a/lib/libc/gen/dirname.3 +++ b/lib/libc/gen/dirname.3 @@ -16,7 +16,7 @@ .\" .\" $FreeBSD$ .\" -.Dd October 12, 2006 +.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 |
