1 files changed, 135 insertions, 0 deletions
diff --git a/libasn1parser/asn1p_class.c b/libasn1parser/asn1p_class.c
new file mode 100644
index 00000000..cd0e385a
--- /dev/null
+++ b/libasn1parser/asn1p_class.c
@@ -0,0 +1,135 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <assert.h>
+
+#include "asn1parser.h"
+
+asn1p_wsyntx_chunk_t *
+asn1p_wsyntx_chunk_new() {
+	asn1p_wsyntx_chunk_t *wc;
+
+	wc = calloc(1, sizeof(*wc));
+
+	return wc;
+}
+
+void
+asn1p_wsyntx_chunk_free(asn1p_wsyntx_chunk_t *wc) {
+	if(wc) {
+		if(wc->ref)
+			asn1p_ref_free(wc->ref);
+		if(wc->buf)
+			free(wc->buf);
+		free(wc);
+	}
+}
+
+asn1p_wsyntx_chunk_t *
+asn1p_wsyntx_chunk_clone(asn1p_wsyntx_chunk_t *wc) {
+	asn1p_wsyntx_chunk_t *nc;
+
+	nc = asn1p_wsyntx_chunk_new();
+	if(nc) {
+		if(wc->buf) {
+			nc->buf = malloc(wc->len + 1);
+			if(nc->buf) {
+				nc->len = wc->len;
+				memcpy(nc->buf, wc->buf, wc->len);
+				nc->buf[nc->len] = '\0';
+			}
+		}
+		if(wc->ref) {
+			nc->ref = asn1p_ref_clone(wc->ref);
+		}
+
+		if(!nc->ref && !nc->buf) {
+			asn1p_wsyntx_chunk_free(nc);
+			return NULL;
+		}
+	}
+
+	return nc;
+}
+
+asn1p_wsyntx_t *
+asn1p_wsyntx_new() {
+	asn1p_wsyntx_t *wx;
+
+	wx = calloc(1, sizeof(*wx));
+	if(wx) {
+		TQ_INIT(&(wx->chunks));
+	}
+
+	return wx;
+}
+
+void
+asn1p_wsyntx_free(asn1p_wsyntx_t *wx) {
+	if(wx) {
+		asn1p_wsyntx_chunk_t *wc;
+		while((wc = TQ_REMOVE(&(wx->chunks), next)))
+			asn1p_wsyntx_chunk_free(wc);
+		free(wx);
+	}
+}
+
+asn1p_wsyntx_t *
+asn1p_wsyntx_clone(asn1p_wsyntx_t *wx) {
+	asn1p_wsyntx_t *nw;
+
+	nw = asn1p_wsyntx_new();
+	if(nw) {
+		asn1p_wsyntx_chunk_t *wc;
+		asn1p_wsyntx_chunk_t *nc;
+		TQ_FOR(wc, &(wx->chunks), next) {
+			nc = asn1p_wsyntx_chunk_clone(wc);
+			if(nc) {
+				TQ_ADD(&(nw->chunks), nc, next);
+			} else {
+				asn1p_wsyntx_free(nw);
+				return NULL;
+			}
+		}
+	}
+
+	return nw;
+}
+
+asn1p_wsyntx_chunk_t *
+asn1p_wsyntx_chunk_fromref(asn1p_ref_t *ref, int do_copy) {
+	asn1p_wsyntx_chunk_t *wc;
+
+	if(do_copy) {
+		static asn1p_wsyntx_chunk_t tmp;
+		tmp.ref = ref;
+		wc = asn1p_wsyntx_chunk_clone(&tmp);
+	} else {
+		wc = asn1p_wsyntx_chunk_new();
+		if(wc) wc->ref = ref;
+	}
+
+	return wc;
+}
+
+asn1p_wsyntx_chunk_t *
+asn1p_wsyntx_chunk_frombuf(char *buf, int len, int do_copy) {
+	asn1p_wsyntx_chunk_t *wc;
+
+	if(do_copy) {
+		static asn1p_wsyntx_chunk_t tmp;
+		tmp.buf = buf;
+		tmp.len = len;
+		wc = asn1p_wsyntx_chunk_clone(&tmp);
+	} else {
+		wc = asn1p_wsyntx_chunk_new();
+		if(wc) {
+			wc->buf = buf;
+			wc->len = len;
+		}
+	}
+
+	return wc;
+}
+