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-rw-r--r--libshouldbeinlibc/argp-parse.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/libshouldbeinlibc/argp-parse.c b/libshouldbeinlibc/argp-parse.c
index a80f9871..582d1029 100644
--- a/libshouldbeinlibc/argp-parse.c
+++ b/libshouldbeinlibc/argp-parse.c
@@ -548,6 +548,14 @@ parser_init (struct parser *parser, const struct argp *argp,
if (group->parent)
/* If a child parser, get the initial input value from the parent. */
group->input = group->parent->child_inputs[group->parent_index];
+
+ if (!group->parser
+ && group->argp->children && group->argp->children->argp)
+ /* For the special case where no parsing function is supplied for an
+ argp, propagate its input to its first child, if any (this just
+ makes very simple wrapper argps more convenient). */
+ group->child_inputs[0] = group->input;
+
err = group_parse (group, &parser->state, ARGP_KEY_INIT, 0);
}
if (err == EBADKEY)