| getenv.3 (108040) | getenv.3 (131504) |
|---|---|
| 1.\" Copyright (c) 1988, 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.\" the American National Standards Committee X3, on Information 6.\" Processing Systems. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 20 unchanged lines hidden (view full) --- 29.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34.\" SUCH DAMAGE. 35.\" 36.\" @(#)getenv.3 8.2 (Berkeley) 12/11/93 | 1.\" Copyright (c) 1988, 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.\" the American National Standards Committee X3, on Information 6.\" Processing Systems. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 20 unchanged lines hidden (view full) --- 29.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34.\" SUCH DAMAGE. 35.\" 36.\" @(#)getenv.3 8.2 (Berkeley) 12/11/93 |
| 37.\" $FreeBSD: head/lib/libc/stdlib/getenv.3 108040 2002-12-18 13:33:04Z ru $ | 37.\" $FreeBSD: head/lib/libc/stdlib/getenv.3 131504 2004-07-02 23:52:20Z ru $ |
| 38.\" 39.Dd December 11, 1993 40.Dt GETENV 3 41.Os 42.Sh NAME 43.Nm getenv , 44.Nm putenv , 45.Nm setenv , --- 93 unchanged lines hidden (view full) --- 139Successive calls to 140.Fn setenv 141or 142.Fn putenv 143assigning a differently sized 144.Fa value 145to the same 146.Fa name | 38.\" 39.Dd December 11, 1993 40.Dt GETENV 3 41.Os 42.Sh NAME 43.Nm getenv , 44.Nm putenv , 45.Nm setenv , --- 93 unchanged lines hidden (view full) --- 139Successive calls to 140.Fn setenv 141or 142.Fn putenv 143assigning a differently sized 144.Fa value 145to the same 146.Fa name |
| 147will result in a memory leak. The | 147will result in a memory leak. 148The |
| 148.Fx 149semantics for these functions 150(namely, that the contents of 151.Fa value 152are copied and that old values remain accessible indefinitely) make this | 149.Fx 150semantics for these functions 151(namely, that the contents of 152.Fa value 153are copied and that old values remain accessible indefinitely) make this |
| 153bug unavoidable. Future versions may eliminate one or both of these | 154bug unavoidable. 155Future versions may eliminate one or both of these |
| 154semantic guarantees in order to fix the bug. 155.Sh HISTORY 156The functions 157.Fn setenv 158and 159.Fn unsetenv 160appeared in 161.At v7 . 162The 163.Fn putenv 164function appeared in 165.Bx 4.3 Reno . | 156semantic guarantees in order to fix the bug. 157.Sh HISTORY 158The functions 159.Fn setenv 160and 161.Fn unsetenv 162appeared in 163.At v7 . 164The 165.Fn putenv 166function appeared in 167.Bx 4.3 Reno . |