Hello Seonghun, 2011/8/31 Seonghun Lim <wariua@xxxxxxxxx>: > man-pages version: latest git repository > why: The argument resolved_path can be NULL and it's not > a error condition any more. See the last paragraph of the > DESCRIPTION, and the last paragraph of CONFORMING TO. > See also the commit c49e8fc9. > > > diff --git a/man3/realpath.3 b/man3/realpath.3 > --- a/man3/realpath.3 > +++ b/man3/realpath.3 > @@ -104,13 +104,9 @@ is set to indicate the error. > Read or search permission was denied for a component of the path prefix. > .TP > .B EINVAL > -Either > .I path > -or > -.I resolved_path > is NULL. > (In libc5 this would just cause a segfault.) > -But, see NOTES below. > .TP > .B EIO > An I/O error occurred while reading from the file system. Thanks for this report. I applied a different patch, below. Cheers, Michael diff --git a/man3/realpath.3 b/man3/realpath.3 index 56d85d8..339ccdf 100644 --- a/man3/realpath.3 +++ b/man3/realpath.3 @@ -23,7 +23,7 @@ .\" Rewritten old page, 990824, aeb@xxxxxx .\" 2004-12-14, mtk, added discussion of resolved_path == NULL .\" -.TH REALPATH 3 2010-09-20 "" "Linux Programmer's Manual" +.TH REALPATH 3 2011-09-10 "" "Linux Programmer's Manual" .SH NAME realpath \- return the canonicalized absolute pathname .SH SYNOPSIS @@ -104,13 +104,13 @@ is set to indicate the error. Read or search permission was denied for a component of the path prefix. .TP .B EINVAL -Either .I path -or -.I resolved_path is NULL. -(In libc5 this would just cause a segfault.) -But, see NOTES below. +.\" (In libc5 this would just cause a segfault.) +(In glibc versions before 2.3, +this error is also returned if +.IR resolved_path +is NULL.) .TP .B EIO An I/O error occurred while reading from the file system. -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Author of "The Linux Programming Interface"; http://man7.org/tlpi/ -- 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
