renamed capwap directory to cw.

FossilOrigin-Name: 8a43dd9d05a4cb73210243ddd8df2a26f16c7ef2c4d4e36ab446de1f65d88223

src/cw/mlist.c

@@ -0,0 +1,65 @@
+#include <stdlib.h>
+#include <string.h>
+
+
+#include "mlist.h"
+
+mlist_t *mlist_create(int (*cmp) (void *v1, void *v2))
+{
+	mlist_t *l = malloc(sizeof(mlist_t));
+	if (!l)
+		return NULL;
+	memset(l, 0, sizeof(mlist_t));
+	l->cmp = cmp;
+	return l;
+}
+
+struct mlist_elem *mlist_append(mlist_t * l, void *data)
+{
+	struct mlist_elem **n = &l->list;
+	while (*n != NULL)
+		n = &(*n)->next;
+	*n = malloc(sizeof(struct mlist_elem));
+	if (!*n)
+		return NULL;
+
+	(*n)->data = data;
+	(*n)->next = NULL;
+
+	return *n;
+}
+
+struct mlist_elem *mlist_find(mlist_t * l, struct mlist_elem *start, void *data)
+{
+	struct mlist_elem *e;
+	if (start)
+		e = start;
+	else
+		e = l->list;
+
+	while (e) {
+		if (l->cmp(e->data, data) == 0)
+			return e;
+		e = e->next;
+	}
+
+	return NULL;
+}
+
+
+struct mlist_elem *mlist_replace(mlist_t *l, struct mlist_elem *start, void *data)
+{
+	struct mlist_elem *e;
+	if (start)
+		e = start;
+	else
+		e = l->list;
+
+	struct mlist_elem * f = mlist_find(l,e,data);
+	if (!f)
+		return NULL;
+
+	f->data = data;
+	return f;
+}
+