diff options
| author | dd <dd@FreeBSD.org> | 2002-01-07 06:03:37 +0000 |
|---|---|---|
| committer | dd <dd@FreeBSD.org> | 2002-01-07 06:03:37 +0000 |
| commit | 8cf69c2918303b6cbc7f2010e69296b66ee7f27c (patch) | |
| tree | 40be7b29895212e64ee19481cdb8bccd99e259c4 /lib/libc/string/memcpy.3 | |
| parent | e713e4684d847d0b931421554c947bb9d70c2538 (diff) | |
| download | FreeBSD-src-8cf69c2918303b6cbc7f2010e69296b66ee7f27c.zip FreeBSD-src-8cf69c2918303b6cbc7f2010e69296b66ee7f27c.tar.gz | |
Suggest using memmove(3) if src and dst may overlap.
PR: 33298
Submitted by: Tim J. Robbins <tim@robbins.dropbear.id.au>
Diffstat (limited to 'lib/libc/string/memcpy.3')
| -rw-r--r-- | lib/libc/string/memcpy.3 | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/libc/string/memcpy.3 b/lib/libc/string/memcpy.3 index bc7d786..c970d7c 100644 --- a/lib/libc/string/memcpy.3 +++ b/lib/libc/string/memcpy.3 @@ -82,5 +82,10 @@ is implemented using .Xr bcopy 3 , and therefore the strings may overlap. On other systems, copying overlapping strings may produce surprises. -A simpler solution is to not use -.Fn memcpy . +Programs intended to be portable should use +.Xr memmove 3 +when +.Fa src +and +.Fa dst +may overlap. |
