[src/trunk]: src/lib/libc/stdlib Update strtoul(3) example to reflect clarifi...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/afcd957f6198
branches:  trunk
changeset: 348753:afcd957f6198
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sat Nov 05 20:57:31 2016 +0000

description:
Update strtoul(3) example to reflect clarifications in strtol(3).

diffstat:

 lib/libc/stdlib/strtoul.3 |  11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r b294e3ce39c3 -r afcd957f6198 lib/libc/stdlib/strtoul.3
--- a/lib/libc/stdlib/strtoul.3 Sat Nov 05 20:03:15 2016 +0000
+++ b/lib/libc/stdlib/strtoul.3 Sat Nov 05 20:57:31 2016 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: strtoul.3,v 1.35 2016/05/01 21:28:21 joerg Exp $
+.\"    $NetBSD: strtoul.3,v 1.36 2016/11/05 20:57:31 riastradh Exp $
 .\"
 .\" Copyright (c) 1990, 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -227,10 +227,15 @@
 
 errno = 0;
 ulval = strtoul(buf, \*[Am]ep, 10);
-if (buf[0] == '\e0' || *ep != '\e0')
+if (ep == buf)
        goto not_a_number;
-if (errno == ERANGE \*[Am]\*[Am] ulval == ULONG_MAX)
+if (*ep != '\e0')
+       goto trailing_garbage;
+if (errno) {
+       assert(errno == ERANGE);
+       assert(ulval == ULONG_MAX);
        goto out_of_range;
+}
 .Ed
 .Pp
 This example will accept