Separate curve object functions into obj.

2 files changed, 130 insertions, 0 deletions

diff --git a/src/obj/curve.c b/src/obj/curve.c
new file mode 100644
index 0000000..b052729
--- /dev/null
+++ b/src/obj/curve.c
@@ -0,0 +1,77 @@
+
+#include "curve.h"
+#include "gen/seed.h"
+#include "math/subgroup.h"
+#include "misc/types.h"
+#include "util/memory.h"
+
+curve_t *curve_new(void) { return try_calloc(sizeof(curve_t)); }
+
+curve_t *curve_copy(const curve_t *src, curve_t *dest) {
+	if (src->seed) dest->seed = seed_new_copy(src->seed);
+	if (src->field) dest->field = gcopy(src->field);
+	if (src->a) dest->a = gcopy(src->a);
+	if (src->b) dest->b = gcopy(src->b);
+	if (src->curve) dest->curve = gcopy(src->curve);
+	if (src->order) dest->order = gcopy(src->order);
+	if (src->generators) {
+		dest->generators = subgroups_new_copy(src->generators, src->ngens);
+		dest->ngens = src->ngens;
+	}
+	return dest;
+}
+
+curve_t *curve_new_copy(const curve_t *src) {
+	curve_t *result = curve_new();
+	return curve_copy(src, result);
+}
+
+curve_t *curve_clone(const curve_t *src, curve_t *dest) {
+	if (src->seed) dest->seed = seed_new_clone(src->seed);
+	if (src->field) dest->field = gclone(src->field);
+	if (src->a) dest->a = gclone(src->a);
+	if (src->b) dest->b = gclone(src->b);
+	if (src->curve) dest->curve = gclone(src->curve);
+	if (src->order) dest->order = gclone(src->order);
+	if (src->generators) {
+		dest->generators = subgroups_new_clone(src->generators, src->ngens);
+		dest->ngens = src->ngens;
+	}
+	return dest;
+}
+
+curve_t *curve_new_clone(const curve_t *src) {
+	curve_t *result = curve_new();
+	return curve_clone(src, result);
+}
+
+void curve_free(curve_t **curve) {
+	if (*curve) {
+		seed_free(&(*curve)->seed);
+		subgroups_free_deep(&(*curve)->generators, (*curve)->ngens);
+
+		if ((*curve)->curve) {
+			// TODO, this is possibly dangerous...
+			obj_free((*curve)->curve);
+			if (isclone((*curve)->curve)) {
+				gunclone((*curve)->curve);
+			}
+		}
+
+		if ((*curve)->field && isclone((*curve)->field)) {
+			gunclone((*curve)->field);
+		}
+		if ((*curve)->a && isclone((*curve)->a)) {
+			gunclone((*curve)->a);
+		}
+		if ((*curve)->b && isclone((*curve)->b)) {
+			gunclone((*curve)->b);
+		}
+		if ((*curve)->order && isclone((*curve)->order)) {
+			gunclone((*curve)->order);
+		}
+
+		try_free(*curve);
+		*curve = NULL;
+	}
+}
\ No newline at end of file
diff --git a/src/obj/curve.h b/src/obj/curve.h
new file mode 100644
index 0000000..5d8886b
--- /dev/null
+++ b/src/obj/curve.h
@@ -0,0 +1,53 @@
+
+#ifndef ECGEN_OBJ_CURVE_H
+#define ECGEN_OBJ_CURVE_H
+
+#include "misc/types.h"
+
+/**
+ * Allocates and zeros out a new curve_t object.
+ * @return new curve
+ */
+curve_t *curve_new(void);
+
+/**
+ * Copies parameters from src curve to dest curve, allocates space for points.
+ * Otherwise expects everything to be allocated.
+ *
+ * @param src source curve
+ * @param dest destination curve
+ * @return destination curve
+ */
+curve_t *curve_copy(const curve_t *src, curve_t *dest);
+
+/**
+ *
+ * @param src
+ * @return
+ */
+curve_t *curve_new_copy(const curve_t *src);
+
+/**
+ *
+ * @param src
+ * @param dest
+ * @return
+ */
+curve_t *curve_clone(const curve_t *src, curve_t *dest);
+
+/**
+ *
+ * @param src
+ * @return
+ */
+curve_t *curve_new_clone(const curve_t *src);
+
+/**
+ * Free a curve_t along with it's seed_t and point_ts.
+ * @param curve to free
+ */
+void curve_free(curve_t **curve);
+
+#include "misc/types.h"
+
+#endif  // ECGEN_OBJ_CURVE_H