[PATCH 1/3] hush getopt: shift argv arguments

[Sascha Hauer <s.hauer@pengutronix.de>]

Make the nonopt arguments to a script available starting from $1
after running getopt. This allows for scripts which use option
parsing but also have nonopts.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 common/hush.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/common/hush.c b/common/hush.c
index 3ac1d10..8200931 100644
--- a/common/hush.c
+++ b/common/hush.c
@@ -521,6 +521,8 @@ static int builtin_getopt(struct p_context *ctx, struct child_prog *child,
 			o->optarg = xstrdup(optarg);
 			list_add_tail(&o->list, &ctx->options);
 		}
+		ctx->global_argv += optind - 1;
+		ctx->global_argc -= optind - 1;
 	}
 
 	ctx->options_parsed = 1;
@@ -1899,7 +1901,8 @@ static const __maybe_unused char cmd_getopt_help[] =
 "hush option parser. <optstring> is a string with valid options. Add\n"
 "a colon to an options if this option has a required argument or two\n"
 "colons for an optional argument. The current option is saved in <var>,\n"
-"arguments are saved in OPTARG.\n";
+"arguments are saved in OPTARG. After this command additional nonopts\n"
+"can be accessed starting from $1\n";
 
 BAREBOX_CMD_START(getopt)
 	.cmd		= do_getopt,
-- 
1.7.10


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