Added option to request no points on the curve

 --points=none

3 files changed, 7 insertions, 2 deletions

diff --git a/src/exhaustive/exhaustive.c b/src/exhaustive/exhaustive.c
index 60b00a9..3b16349 100644
--- a/src/exhaustive/exhaustive.c
+++ b/src/exhaustive/exhaustive.c
@@ -75,6 +75,9 @@ void exhaustive_ginit(gen_t *generators, config_t *cfg) {
 		case POINTS_PRIME:
 			generators[OFFSET_POINTS] = &points_prime;
 			break;
+		case POINTS_NONE:
+			generators[OFFSET_POINTS] = &gen_skip;
+			break;
 	}
 }
 
diff --git a/src/io/cli.c b/src/io/cli.c
index 2ee6aee..d55f59c 100644
--- a/src/io/cli.c
+++ b/src/io/cli.c
@@ -45,7 +45,7 @@ struct argp_option options[] = {
 	{"order",    OPT_ORDER,    "ORDER",  0,                 "Generate a curve with given order (using Complex Multiplication).",                    2},
 	{"koblitz",  OPT_KOBLITZ,  0,        0,                 "Generate a Koblitz curve (a = 0).",                                                    2},
 	{"unique",   OPT_UNIQUE,   0,        0,                 "Generate a curve with only one generator.",                                            2},
-	{"points",   OPT_POINTS,   "TYPE",   0,                 "Generate points of given type (random/prime).",                                        2},
+	{"points",   OPT_POINTS,   "TYPE",   0,                 "Generate points of given type (random/prime/none).",                                        2},
 	{"count",    OPT_COUNT,    "COUNT",  0,                 "Generate multiple curves.",                                                            2},
 	{0,          0,            0,        0,                 "Input/Output options:",                                                                3},
 	{"format",   OPT_FORMAT,   "FORMAT", 0,                 "Format to output in. One of [csv,json], default is json.",                             3},
@@ -138,6 +138,8 @@ error_t cli_parse(int key, char *arg, struct argp_state *state) {
 					cfg->points.amount = (size_t)pts;
 				} else if (strstr(arg, "prime")) {
 					cfg->points.type = POINTS_PRIME;
+				} else if (strstr(arg, "none")) {
+					cfg->points.type = POINTS_NONE;
 				} else {
 					argp_failure(state, 1, 0, "Unknow point type");
 				}
diff --git a/src/io/cli.h b/src/io/cli.h
index c65f125..e45e939 100644
--- a/src/io/cli.h
+++ b/src/io/cli.h
@@ -18,7 +18,7 @@ extern struct argp_option options[];
 
 enum field_e { FIELD_PRIME, FIELD_BINARY };
 enum format_e { FORMAT_JSON, FORMAT_CSV };
-enum points_e { POINTS_PRIME, POINTS_RANDOM };
+enum points_e { POINTS_PRIME, POINTS_RANDOM, POINTS_NONE };
 struct points_s {
 	enum points_e type;
 	size_t amount;