X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fopt%2Fopt.c;fp=ccan%2Fopt%2Fopt.c;h=d4601dfbb230a3076edfa64d8b5232996f4d59d2;hb=c36444e062622d97e4368670f5c50f0c482a3a95;hp=0514dc8702dfc8ef2327d892f7cbd7606dec2b06;hpb=a1f9c169fec59ea257256ef5d18ccba05635e7ac;p=ccan

diff --git a/ccan/opt/opt.c b/ccan/opt/opt.c
index 0514dc87..d4601dfb 100644
--- a/ccan/opt/opt.c
+++ b/ccan/opt/opt.c
@@ -176,6 +176,23 @@ void _opt_register(const char *names, enum opt_type type,
 	add_opt(&opt);
 }
 
+bool opt_unregister(const char *names)
+{
+	int found = -1, i;
+
+	for (i = 0; i < opt_count; i++) {
+		if (opt_table[i].type == OPT_SUBTABLE)
+			continue;
+		if (strcmp(opt_table[i].names, names) == 0)
+			found = i;
+	}
+	if (found == -1)
+		return false;
+	opt_count--;
+	memmove(&opt_table[found], &opt_table[found+1], opt_count - found);
+	return true;
+}
+
 void opt_register_table(const struct opt_table entry[], const char *desc)
 {
 	unsigned int i, start = opt_count;