| strcpy.3 (190798) | strcpy.3 (208027) |
|---|---|
| 1.\" Copyright (c) 1990, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" Chris Torek and the American National Standards Committee X3, 6.\" on Information Processing Systems. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)strcpy.3 8.1 (Berkeley) 6/4/93 | 1.\" Copyright (c) 1990, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" Chris Torek and the American National Standards Committee X3, 6.\" on Information Processing Systems. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)strcpy.3 8.1 (Berkeley) 6/4/93 |
| 33.\" $FreeBSD: head/lib/libc/string/strcpy.3 190798 2009-04-07 13:42:53Z trasz $ | 33.\" $FreeBSD: head/lib/libc/string/strcpy.3 208027 2010-05-13 12:07:55Z uqs $ |
| 34.\" 35.Dd February 28, 2009 36.Dt STRCPY 3 37.Os 38.Sh NAME 39.Nm stpcpy, stpncpy, strcpy , strncpy 40.Nd copy strings 41.Sh LIBRARY --- 127 unchanged lines hidden (view full) --- 169as shown in the following example: 170.Pp 171.Dl "(void)strlcpy(buf, input, sizeof(buf));" 172.Pp 173Note that because 174.Xr strlcpy 3 175is not defined in any standards, it should 176only be used when portability is not a concern. | 34.\" 35.Dd February 28, 2009 36.Dt STRCPY 3 37.Os 38.Sh NAME 39.Nm stpcpy, stpncpy, strcpy , strncpy 40.Nd copy strings 41.Sh LIBRARY --- 127 unchanged lines hidden (view full) --- 169as shown in the following example: 170.Pp 171.Dl "(void)strlcpy(buf, input, sizeof(buf));" 172.Pp 173Note that because 174.Xr strlcpy 3 175is not defined in any standards, it should 176only be used when portability is not a concern. |
| 177.Sh SECURITY CONSIDERATIONS 178The 179.Fn strcpy 180function is easily misused in a manner which enables malicious users 181to arbitrarily change a running program's functionality through a 182buffer overflow attack. 183(See 184the FSA 185and 186.Sx EXAMPLES . ) | |
| 187.Sh SEE ALSO 188.Xr bcopy 3 , 189.Xr memccpy 3 , 190.Xr memcpy 3 , 191.Xr memmove 3 , 192.Xr strlcpy 3 , 193.Xr wcscpy 3 194.Sh STANDARDS --- 14 unchanged lines hidden (view full) --- 209The 210.Fn stpcpy 211function first appeared in 212.Fx 4.4 , 213and 214.Fn stpncpy 215was added in 216.Fx 8.0 . | 177.Sh SEE ALSO 178.Xr bcopy 3 , 179.Xr memccpy 3 , 180.Xr memcpy 3 , 181.Xr memmove 3 , 182.Xr strlcpy 3 , 183.Xr wcscpy 3 184.Sh STANDARDS --- 14 unchanged lines hidden (view full) --- 199The 200.Fn stpcpy 201function first appeared in 202.Fx 4.4 , 203and 204.Fn stpncpy 205was added in 206.Fx 8.0 . |
| 207.Sh SECURITY CONSIDERATIONS 208The 209.Fn strcpy 210function is easily misused in a manner which enables malicious users 211to arbitrarily change a running program's functionality through a 212buffer overflow attack. 213(See 214the FSA 215and 216.Sx EXAMPLES . ) |
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