Initial revision

1 files changed, 95 insertions, 0 deletions

diff --git a/libasn1parser/asn1p_oid.c b/libasn1parser/asn1p_oid.c
new file mode 100644
index 00000000..2c22b0fd
--- /dev/null
+++ b/libasn1parser/asn1p_oid.c
@@ -0,0 +1,95 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "asn1parser.h"
+
+asn1p_oid_t *
+asn1p_oid_new() {
+	return calloc(1, sizeof(asn1p_oid_t));
+}
+
+int
+asn1p_oid_add_arc(asn1p_oid_t *oid, asn1p_oid_arc_t *template) {
+	void *p;
+	p = realloc(oid->arcs, (oid->arcs_count + 1) * sizeof(oid->arcs[0]));
+	if(p) {
+		oid->arcs = p;
+		oid->arcs[oid->arcs_count].name
+				= template->name?strdup(template->name):0;
+		oid->arcs[oid->arcs_count].number = template->number;
+		oid->arcs_count++;
+		return 0;
+	} else {
+		return -1;
+	}
+}
+
+void
+asn1p_oid_free(asn1p_oid_t *oid) {
+	if(oid) {
+		if(oid->arcs) {
+			while(oid->arcs_count--) {
+				if(oid->arcs[oid->arcs_count].name)
+				free(oid->arcs[oid->arcs_count].name);
+			}
+		}
+		free(oid);
+	}
+}
+
+asn1p_oid_arc_t *
+asn1p_oid_arc_new(const char *optName, asn1_integer_t optNumber /* = -1 */) {
+	asn1p_oid_arc_t *arc;
+
+	arc = calloc(1, sizeof *arc);
+	if(arc) {
+		if(optName)
+			arc->name = strdup(optName);
+		arc->number = optNumber;
+	}
+
+	return arc;
+}
+
+void
+asn1p_oid_arc_free(asn1p_oid_arc_t *arc) {
+	if(arc) {
+		if(arc->name)
+			free(arc->name);
+		free(arc);
+	}
+}
+
+int
+asn1p_oid_compare(asn1p_oid_t *a, asn1p_oid_t *b) {
+	int i;
+
+	for(i = 0; ; i++) {
+		asn1_integer_t cmp;
+
+		if(b->arcs_count > i) {
+			if(a->arcs_count <= i)
+				return -1;
+		} else if(a->arcs_count > i) {
+			if(b->arcs_count <= i)
+				return 1;
+		} else if(b->arcs_count <= i && a->arcs_count <= i) {
+			cmp = b->arcs_count - a->arcs_count;
+			if(cmp < 0)
+				return -1;
+			else if(cmp > 0)
+				return 1;
+			return 0;
+		}
+
+		cmp = b->arcs[i].number - a->arcs[i].number;
+		if(cmp < 0)
+			return -1;
+		else if(cmp > 0)
+			return 1;
+	}
+
+}
+
+