From fff7d7c2ac83984bd2fc7ec3c72dc455c7c72807 Mon Sep 17 00:00:00 2001
From: Ralph Ronnquist <ralph.ronnquist@gmail.com>
Date: Tue, 5 Jul 2022 21:54:30 +1000
Subject: [PATCH] Add hashvector_create + some polishing

---
 vector/hashvector.c | 19 ++++++++++++++++++-
 vector/hashvector.h | 15 ++++++++++-----
 2 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/vector/hashvector.c b/vector/hashvector.c
index 0f5b31f..c261253 100644
--- a/vector/hashvector.c
+++ b/vector/hashvector.c
@@ -1,4 +1,5 @@
-#include "hashvector.h"
+#include <stdlib.h>
+#include <hashvector.h>
 
 #define SELF hv->type
 
@@ -174,3 +175,19 @@ unsigned long hashvector_hashcode(unsigned char *key,unsigned long n) {
     return value;
 }
 
+
+hashvector *hashvector_create(int variant,itemkeyfun *type) {
+    hashvector *hv = (hashvector*) malloc( sizeof( hashvector ) );
+    (*hv) = (hashvector) {
+	.table = (vector) {
+	    .variant = variant,
+	    .size = 0,
+	    .entries = 0
+	},
+	.fill = 0,
+	.holes = 0,
+	.type = type
+    };
+    return hv;
+}
+
diff --git a/vector/hashvector.h b/vector/hashvector.h
index d0f9e12..1c3f387 100644
--- a/vector/hashvector.h
+++ b/vector/hashvector.h
@@ -77,7 +77,7 @@ typedef struct {
  *
  * \related hashvector
  */
-int hashvector_find(hashvector *hv,void *key,void **x);
+extern int hashvector_find(hashvector *hv,void *key,void **x);
 
 /**
  * Add the given item into the hashvector, growing the hashvector as
@@ -89,7 +89,7 @@ int hashvector_find(hashvector *hv,void *key,void **x);
  *
  * \related hashvector
  */
-int hashvector_add(hashvector *hv,void *item);
+extern int hashvector_add(hashvector *hv,void *item);
 
 /**
  * Delete the given item, and shrink the hashvector so that its size
@@ -100,7 +100,7 @@ int hashvector_add(hashvector *hv,void *item);
  *
  * \related hashvector
  */
-int hashvector_delete(hashvector *hv,void *item);
+extern int hashvector_delete(hashvector *hv,void *item);
 
 /**
  * Copy content items into a vector, which must be empty. The
@@ -111,7 +111,7 @@ int hashvector_delete(hashvector *hv,void *item);
  *
  * \related hashvector
  */
-int hashvector_contents(hashvector *hv,vector *pv);
+extern int hashvector_contents(hashvector *hv,vector *pv);
 
 /**
  * This is a utility function to compute and return a hashcode for a
@@ -119,6 +119,11 @@ int hashvector_contents(hashvector *hv,vector *pv);
  *
  * \related hashvector
  */
-unsigned long hashvector_hashcode(unsigned char *key,unsigned long n);
+extern unsigned long hashvector_hashcode(unsigned char *key,unsigned long n);
+
+/**
+ * Create a hashvector for of given variant for given itemkeyfun*
+ */
+extern hashvector *hashvector_create(int variant,itemkeyfun *type);
 
 #endif
-- 
2.39.2