diff options
| author | Philip Guenther <guenther@cvs.openbsd.org> | 2019-06-29 21:21:28 +0000 |
|---|---|---|
| committer | Philip Guenther <guenther@cvs.openbsd.org> | 2019-06-29 21:21:28 +0000 |
| commit | 35347f29d6b83db88cadcc9e48ab9a1532226029 (patch) | |
| tree | 704bf80bdb3b0e8db3efc6cb366e3c22ea2938eb /lib/libc/stdlib | |
| parent | 10cd60b2730cf8f7a0ce998b418ea8e11d96e3be (diff) | |
Document that getcwd() and realpath() are built on system calls that
have a different calling convention than the standard function...as seen
in kdump output.
ok deraadt@ schwarze@
Diffstat (limited to 'lib/libc/stdlib')
| -rw-r--r-- | lib/libc/stdlib/realpath.3 | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/lib/libc/stdlib/realpath.3 b/lib/libc/stdlib/realpath.3 index ca2b07f46d8..e485fa792dd 100644 --- a/lib/libc/stdlib/realpath.3 +++ b/lib/libc/stdlib/realpath.3 @@ -28,9 +28,9 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.\" $OpenBSD: realpath.3,v 1.21 2019/06/15 17:06:46 jmc Exp $ +.\" $OpenBSD: realpath.3,v 1.22 2019/06/29 21:21:27 guenther Exp $ .\" -.Dd $Mdocdate: June 15 2019 $ +.Dd $Mdocdate: June 29 2019 $ .Dt REALPATH 3 .Os .Sh NAME @@ -147,3 +147,17 @@ The .Fn realpath function call first appeared in .Bx 4.4 . +.Pp +In +.Ox 6.6 , +it was reimplemented on top of a +.Fn __realpath +system call whose calling convention differs from the standard +function by requiring +.Ar resolved +to not be +.Dv NULL +and by returning an integer, +zero on success and \-1 with corresponding errno on failure. +This is visible in the output of +.Xr kdump 1 . |