diff options
| author |   guenther <guenther@openbsd.org> | 2019-06-29 21:21:27 +0000 |
|---|---|---|
| committer | guenther <guenther@openbsd.org> | 2019-06-29 21:21:27 +0000 |
| commit | 71304b6e1447dfe0d3778ad9eb798a31d0f8e6ae (patch) | |
| tree | 53c43d04b567523cb92e789a49c99e20a3486e61 /lib/libc/stdlib | |
| parent | write_lease_db() only needs ifi->name and ifi->lease_db. (diff) | |
| download | wireguard-openbsd-71304b6e1447dfe0d3778ad9eb798a31d0f8e6ae.tar.xz wireguard-openbsd-71304b6e1447dfe0d3778ad9eb798a31d0f8e6ae.zip | |
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 . |