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| author |   schwarze <schwarze@openbsd.org> | 2019-01-18 07:32:17 +0000 |
|---|---|---|
| committer | schwarze <schwarze@openbsd.org> | 2019-01-18 07:32:17 +0000 |
| commit | 467be13057a9a2a9da30be6cabf7469933f614ea (patch) | |
| tree | 19d47d0c71e2cec461f0ed03105dc092c29d6fe0 /lib/libc/stdlib/abs.3 | |
| parent | tweak previous; (diff) | |
| download | wireguard-openbsd-467be13057a9a2a9da30be6cabf7469933f614ea.tar.xz wireguard-openbsd-467be13057a9a2a9da30be6cabf7469933f614ea.zip | |
Replace the vague, incorrect, and confusing BUGS sections with CAVEATS
clearly stating which arguments have to be avoided, and mention the
header files defining the constants required for the checks.
Feedback and OK guenther@, OK bluhm@.
Diffstat (limited to 'lib/libc/stdlib/abs.3')
| -rw-r--r-- | lib/libc/stdlib/abs.3 | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/lib/libc/stdlib/abs.3 b/lib/libc/stdlib/abs.3 index 420bdf6fdf8..afacc985dff 100644 --- a/lib/libc/stdlib/abs.3 +++ b/lib/libc/stdlib/abs.3 @@ -29,15 +29,16 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.\" $OpenBSD: abs.3,v 1.11 2013/07/17 05:42:11 schwarze Exp $ +.\" $OpenBSD: abs.3,v 1.12 2019/01/18 07:32:17 schwarze Exp $ .\" -.Dd $Mdocdate: July 17 2013 $ +.Dd $Mdocdate: January 18 2019 $ .Dt ABS 3 .Os .Sh NAME .Nm abs .Nd integer absolute value function .Sh SYNOPSIS +.In limits.h .In stdlib.h .Ft int .Fn abs "int j" @@ -66,5 +67,9 @@ The .Fn abs function first appeared in .At v6 . -.Sh BUGS -The absolute value of the most negative integer remains negative. +.Sh CAVEATS +The result of applying +.Fn abs +to +.Dv INT_MIN +is undefined. |