opt: add OPT_EARLY and opt_early_parse.

[ccan] / ccan / opt / test / utils.c

diff --git a/ccan/opt/test/utils.c b/ccan/opt/test/utils.c
index 7378d844de74f4be986ca9ce43ea2f5fe91717b4..c2967fca173d51010b810fcaa626eb6ebff420df 100644 (file)
--- a/ccan/opt/test/utils.c
+++ b/ccan/opt/test/utils.c
@@ -80,6 +80,29 @@ bool parse_args(int *argc, char ***argv, ...)
        return opt_parse(argc, *argv, save_err_output);
 }
 
+bool parse_early_args(int *argc, char ***argv, ...)
+{
+       char **a;
+       va_list ap;
+
+       va_start(ap, argv);
+       *argc = 1;
+       a = malloc(sizeof(*a) * (*argc + 1));
+       a[0] = (*argv)[0];
+       while ((a[*argc] = va_arg(ap, char *)) != NULL) {
+               (*argc)++;
+               a = realloc(a, sizeof(*a) * (*argc + 1));
+       }
+
+       if (allocated)
+               free(*argv);
+
+       *argv = a;
+       allocated = true;
+
+       return opt_early_parse(*argc, *argv, save_err_output);
+}
+
 struct opt_table short_table[] = {
        /* Short opts, different args. */
        OPT_WITHOUT_ARG("-a", test_noarg, "a", "Description of a"),