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hush getopt: shift argv arguments 

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>
This commit is contained in:
Sascha Hauer 2012-07-04 23:39:03 +02:00
parent c6e82ee543
commit 1d3ab47e13
1 changed files with 4 additions and 1 deletions
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5
common/hush.c
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@ -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,