LDP
/
man-pages
mirror of https://github.com/mkerrisk/man-pages
0
1
Fork 0
Code Releases Activity

setenv.3: Improve ERRORS section 

Add ENOMEM error; improve EINVAL description. Also, make
RETURN VALUE section a little more accurate in its mention
of errno.

Reported-by: Georg Sauthoff <gsauthof@techfak.uni-bielefeld.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2009-09-20 04:56:47 +02:00
parent c451761395
commit 2a4b81ffd4
1 changed files with 10 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
man3/setenv.3
View File

@ -32,7 +32,7 @@
.\" Noted non-standard behavior of setenv() if name contains '='
.\" 2005-08-12, mtk, glibc 2.3.4 fixed the "name contains '='" bug
.\"
.TH SETENV 3 2007-07-26 "GNU" "Linux Programmer's Manual"
.TH SETENV 3 2009-09-20 "GNU" "Linux Programmer's Manual"
.SH NAME
setenv \- change or add an environment variable
.SH SYNOPSIS
@ -82,8 +82,10 @@ then the function succeeds, and the environment is unchanged.
.SH "RETURN VALUE"
The
.BR setenv ()
function returns zero on success, or \-1 if there
was insufficient space in the environment.
function returns zero on success,
or \-1 on error, with
.I errno
set to indicate the cause of the error.
The
.BR unsetenv ()
@ -95,7 +97,11 @@ set to indicate the cause of the error.
.TP
.B EINVAL
.I name
contained an \(aq=\(aq character.
is NULL, points to a string of length 0,
or contains an \(aq=\(aq character.
.TP
.B ENOMEM
Insufficient memory to add a new variable to the environment.
.SH "CONFORMING TO"
4.3BSD, POSIX.1-2001.
.SH "NOTES"