--- /dev/null
+#include <ccan/jmap/jmap.h>
+#include <ccan/build_assert/build_assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+struct jmap *jmap_new(void)
+{
+ struct jmap *map;
+
+ /* Judy uses Word_t, we use size_t. */
+ BUILD_ASSERT(sizeof(size_t) == sizeof(Word_t));
+
+ map = malloc(sizeof(*map));
+ if (map) {
+ map->judy = NULL;
+ memset(&map->err, 0, sizeof(map->err));
+ map->errstr = NULL;
+ map->num_accesses = 0;
+ map->acc_value = NULL;
+ map->acc_index = 0;
+ map->funcname = NULL;
+ }
+ return map;
+}
+
+const char *jmap_error_(struct jmap *map)
+{
+ char *str;
+ free((char *)map->errstr);
+ map->errstr = str = malloc(100);
+ if (!map->errstr)
+ return "out of memory";
+
+ sprintf(str,
+ "JU_ERRNO_* == %d, ID == %d\n",
+ JU_ERRNO(&map->err), JU_ERRID(&map->err));
+ return str;
+}
+
+void jmap_free(const struct jmap *map)
+{
+ free((char *)map->errstr);
+ Judy1FreeArray((PPvoid_t)&map->judy, PJE0);
+ free((void *)map);
+}