diff options
| author |   millert <millert@openbsd.org> | 2014-10-30 20:43:35 +0000 |
|---|---|---|
| committer | millert <millert@openbsd.org> | 2014-10-30 20:43:35 +0000 |
| commit | c4cf924f73953263cf8c84cd12d41862d779484c (patch) | |
| tree | 95bfc43245f3f61da65a68f6fbcad5cd41aca4c1 /lib/libc/stdlib/malloc.3 | |
| parent | Add some pkill and sleep to make socket splicing performance tests (diff) | |
| download | wireguard-openbsd-c4cf924f73953263cf8c84cd12d41862d779484c.tar.xz wireguard-openbsd-c4cf924f73953263cf8c84cd12d41862d779484c.zip | |
Don't mention old systems where realloc(NULL, n) didn't work as we
don't want to give people the idea that this is non-portable (it
has been present since C89). OK deraadt@ schwarze@
Diffstat (limited to 'lib/libc/stdlib/malloc.3')
| -rw-r--r-- | lib/libc/stdlib/malloc.3 | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/lib/libc/stdlib/malloc.3 b/lib/libc/stdlib/malloc.3 index 2647434eaad..8ae3ba20e6d 100644 --- a/lib/libc/stdlib/malloc.3 +++ b/lib/libc/stdlib/malloc.3 @@ -30,9 +30,9 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.\" $OpenBSD: malloc.3,v 1.83 2014/10/23 05:48:40 doug Exp $ +.\" $OpenBSD: malloc.3,v 1.84 2014/10/30 20:43:35 millert Exp $ .\" -.Dd $Mdocdate: October 23 2014 $ +.Dd $Mdocdate: October 30 2014 $ .Dt MALLOC 3 .Os .Sh NAME @@ -265,12 +265,13 @@ if ((newp = reallocarray(p, num, size)) == NULL) { ... .Ed .Pp -Code designed for some ancient platforms avoided calling +Calling .Fn realloc with a .Dv NULL -.Fa ptr . -Such hacks are no longer necessary in modern code. +.Fa ptr +is equivalent to calling +.Fn malloc . Instead of this idiom: .Bd -literal -offset indent if (p == NULL) @@ -279,12 +280,7 @@ else newp = realloc(p, newsize); .Ed .Pp -Use the following as calling -.Fn realloc -with -.Dv NULL -is equivalent to calling -.Fn malloc : +Use the following: .Bd -literal -offset indent newp = realloc(p, newsize); .Ed |