diff options
Diffstat (limited to 'lib/libc/string/memmem.3')
| -rw-r--r-- | lib/libc/string/memmem.3 | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/lib/libc/string/memmem.3 b/lib/libc/string/memmem.3 index 73c267c..fb341f4 100644 --- a/lib/libc/string/memmem.3 +++ b/lib/libc/string/memmem.3 @@ -26,7 +26,7 @@ .\" .\" $FreeBSD$ .\" -.Dd August 24, 2005 +.Dd May 26, 2015 .Dt MEMMEM 3 .Os .Sh NAME @@ -51,14 +51,12 @@ in the byte string .Fa big . .Sh RETURN VALUES If -.Fa big_len -is smaller than -.Fa little_len , -if .Fa little_len -is 0, if -.Fa big_len -is 0 or if +is zero +.Fa big +is returned (that is, an empty little is deemed to match at the beginning of +big); +if .Fa little occurs nowhere in .Fa big , @@ -84,3 +82,11 @@ function first appeared in .Sh BUGS This function was broken in Linux libc up to and including version 5.0.9 and in GNU libc prior to version 2.1. +Prior to +.Fx 11.0 +.Nm +returned +.Dv NULL +when +.Fa little_len +equals 0. |
