diff options
Diffstat (limited to 'src/lib/libc/string/wmemcpy.3')
-rw-r--r-- | src/lib/libc/string/wmemcpy.3 | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/lib/libc/string/wmemcpy.3 b/src/lib/libc/string/wmemcpy.3 index 9147bb7964..1102640ad4 100644 --- a/src/lib/libc/string/wmemcpy.3 +++ b/src/lib/libc/string/wmemcpy.3 | |||
@@ -1,3 +1,5 @@ | |||
1 | .\" $OpenBSD: wmemcpy.3,v 1.3 2011/07/25 00:38:53 schwarze Exp $ | ||
2 | .\" | ||
1 | .\" Copyright (c) 1990, 1991 The Regents of the University of California. | 3 | .\" Copyright (c) 1990, 1991 The Regents of the University of California. |
2 | .\" All rights reserved. | 4 | .\" All rights reserved. |
3 | .\" | 5 | .\" |
@@ -29,9 +31,7 @@ | |||
29 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 31 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
30 | .\" SUCH DAMAGE. | 32 | .\" SUCH DAMAGE. |
31 | .\" | 33 | .\" |
32 | .\" $OpenBSD: wmemcpy.3,v 1.2 2011/07/09 16:46:58 nicm Exp $ | 34 | .Dd $Mdocdate: July 25 2011 $ |
33 | .\" | ||
34 | .Dd $Mdocdate: July 9 2011 $ | ||
35 | .Dt WMEMCPY 3 | 35 | .Dt WMEMCPY 3 |
36 | .Os | 36 | .Os |
37 | .Sh NAME | 37 | .Sh NAME |
@@ -56,6 +56,7 @@ The | |||
56 | function returns the original value of | 56 | function returns the original value of |
57 | .Fa dst . | 57 | .Fa dst . |
58 | .Sh SEE ALSO | 58 | .Sh SEE ALSO |
59 | .Xr memcpy 3 , | ||
59 | .Xr wcscpy 3 , | 60 | .Xr wcscpy 3 , |
60 | .Xr wcslcpy 3 , | 61 | .Xr wcslcpy 3 , |
61 | .Xr wmemmove 3 | 62 | .Xr wmemmove 3 |
@@ -66,12 +67,19 @@ function conforms to | |||
66 | .St -isoC-99 | 67 | .St -isoC-99 |
67 | and was first introduced in | 68 | and was first introduced in |
68 | .St -isoC-amd1 . | 69 | .St -isoC-amd1 . |
69 | .Sh BUGS | 70 | .Sh HISTORY |
71 | The | ||
72 | .Fn wmemcpy | ||
73 | function was ported from | ||
74 | .Nx | ||
75 | and first appeared in | ||
76 | .Ox 3.8 . | ||
77 | .Sh CAVEATS | ||
70 | In this implementation | 78 | In this implementation |
71 | .Fn wmemcpy | 79 | .Fn wmemcpy |
72 | is implemented using | 80 | is implemented using |
73 | .Xr bcopy 3 , | 81 | .Xr bcopy 3 , |
74 | and therefore the buffers may overlap. | 82 | and therefore the buffers may overlap. |
75 | On other systems, copying overlapping buffers may produce surprises. | 83 | On other systems, copying overlapping buffers may produce surprises. |
76 | A simpler solution is to not use | 84 | A portable, safe solution is to use |
77 | .Fn wmemcpy . | 85 | .Xr wmemmove 3 . |