X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/8c6fa3fbaccc22127280bf77a48fab5a3ee0716e..46b0747592074017ff0ea4b33d4a7194235886e5:/libs/smux/asn_SEQUENCE_OF.c

diff --git a/libs/smux/asn_SEQUENCE_OF.c b/libs/smux/asn_SEQUENCE_OF.c
new file mode 100644
index 00000000..ec952fc9
--- /dev/null
+++ b/libs/smux/asn_SEQUENCE_OF.c
@@ -0,0 +1,41 @@
+/*-
+ * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#include <asn_internal.h>
+#include <asn_SEQUENCE_OF.h>
+
+typedef A_SEQUENCE_OF(void) asn_sequence;
+
+void
+asn_sequence_del(void *asn_sequence_of_x, int number, int _do_free) {
+	asn_sequence *as = (asn_sequence *)asn_sequence_of_x;
+
+	if(as) {
+		void *ptr;
+		int n;
+
+		if(number < 0 || number >= as->count)
+			return;	/* Nothing to delete */
+
+		if(_do_free && as->free) {
+			ptr = as->array[number];
+		} else {
+			ptr = 0;
+		}
+
+		/*
+		 * Shift all elements to the left to hide the gap.
+		 */
+		--as->count;
+		for(n = number; n < as->count; n++)
+			as->array[n] = as->array[n+1];
+
+		/*
+		 * Invoke the third-party function only when the state
+		 * of the parent structure is consistent.
+		 */
+		if(ptr) as->free(ptr);
+	}
+}
+