Hello Georg, On Tue, Sep 8, 2009 at 11:12 AM, <gsauthof@xxxxxxxxxxxxxxxxxxxxxxxx> wrote: > Hi, > > in setenv(3) in the section 'RETURN VALUE' it is not mentioned, that > setenv() may set errno. For unsetenv() the section mentions this. Thanks! Your comment actually triggered a few other changes as well. See the patc below, which will be in man-pages-3.22. Cheers, Michael --- a/man3/setenv.3 +++ b/man3/setenv.3 @@ -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" -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Watch my Linux system programming book progress to publication! http://blog.man7.org/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
