diff options
| author |   tedu <tedu@openbsd.org> | 2015-02-07 08:52:37 +0000 |
|---|---|---|
| committer | tedu <tedu@openbsd.org> | 2015-02-07 08:52:37 +0000 |
| commit | afd9a7e447f92bbd106b47c8455bfb818566f4fc (patch) | |
| tree | 07ae09c2e808bd52cef7b3344b079e256fe51ea9 /lib/libc/sys | |
| parent | forbid execve() with argc == 0. prompted by a millert email. (diff) | |
| download | wireguard-openbsd-afd9a7e447f92bbd106b47c8455bfb818566f4fc.tar.xz wireguard-openbsd-afd9a7e447f92bbd106b47c8455bfb818566f4fc.zip | |
document restriction on argv having one element
Diffstat (limited to 'lib/libc/sys')
| -rw-r--r-- | lib/libc/sys/execve.2 | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/libc/sys/execve.2 b/lib/libc/sys/execve.2 index 0d61267c87c..d0e319ea592 100644 --- a/lib/libc/sys/execve.2 +++ b/lib/libc/sys/execve.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: execve.2,v 1.42 2015/01/19 15:54:11 millert Exp $ +.\" $OpenBSD: execve.2,v 1.43 2015/02/07 08:52:37 tedu Exp $ .\" $NetBSD: execve.2,v 1.9 1995/02/27 12:32:25 cgd Exp $ .\" .\" Copyright (c) 1980, 1991, 1993 @@ -30,7 +30,7 @@ .\" .\" @(#)execve.2 8.3 (Berkeley) 1/24/94 .\" -.Dd $Mdocdate: January 19 2015 $ +.Dd $Mdocdate: February 7 2015 $ .Dt EXECVE 2 .Os .Sh NAME @@ -93,7 +93,7 @@ is a pointer to a null-terminated array of character pointers to NUL-terminated character strings. These strings construct the argument list to be made available to the new process. -At least one argument must be present in the array; +At least one non-null argument must be present in the array; by custom, the first element should be the name of the executed program (for example, the last component of .Fa path ) . @@ -297,6 +297,9 @@ or .Fa envp point to an illegal address. +.It Bq Er EINVAL +.Fa argv +did not contain at least one element. .It Bq Er EIO An I/O error occurred while reading from the file system. .It Bq Er ENFILE |