ash: fix set -o to not show "nameless" options

Patch by Martijn Dekker <martijn@inlv.org>

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/shell/ash.c b/shell/ash.c
index c0352602b9beb82959bf5bdbd14850e8a23931d7..305fb63483855b99c369bb870579a6ba31f29b2e 100644 (file)
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -11091,6 +11091,8 @@ plus_minus_o(char *name, int val)
                return 1;
        }
        for (i = 0; i < NOPTS; i++) {
+               if (optnames(i)[0] == '\0')
+                       continue;
                if (val) {
                        out1fmt("%-16s%s\n", optnames(i), optlist[i] ? "on" : "off");
                } else {