Author: hselasky
Date: Fri Jul 4 06:03:54 2014
New Revision: 268243
URL: http://svnweb.freebsd.org/changeset/base/268243
Log:
MFC r267960:
Don't hide zero-length strings when doing sysctl listings.
Modified:
stable/10/sbin/sysctl/sysctl.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sbin/sysctl/sysctl.c
==============================================================================
--- stable/10/sbin/sysctl/sysctl.c Fri Jul 4 04:47:29 2014
(r268242)
+++ stable/10/sbin/sysctl/sysctl.c Fri Jul 4 06:03:54 2014
(r268243)
@@ -710,9 +710,10 @@ show_var(int *oid, int nlen)
warnx("malloc failed");
return (1);
}
+ ctltype = (kind & CTLTYPE);
len = j;
i = sysctl(oid, nlen, val, &len, 0, 0);
- if (i || !len) {
+ if (i != 0 || (len == 0 && ctltype != CTLTYPE_STRING)) {
free(oval);
return (1);
}
@@ -724,7 +725,6 @@ show_var(int *oid, int nlen)
}
val[len] = '\0';
p = val;
- ctltype = (kind & CTLTYPE);
sign = ctl_sign[ctltype];
intlen = ctl_size[ctltype];
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