From: Mark Wooding <mdw@distorted.org.uk>
Date: Sun, 30 Mar 2025 20:19:57 +0000 (+0100)
Subject: chain.c: Separate representations of keys and nodes in `sgt234'.
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/wordchain/commitdiff_plain/6a413efa07e7b571c69cd1b49b2f60d777258e08?ds=sidebyside

chain.c: Separate representations of keys and nodes in `sgt234'.
---

diff --git a/chain.c b/chain.c
index 36bd852..77e9e63 100644
--- a/chain.c
+++ b/chain.c
@@ -439,6 +439,14 @@ static bool my_Tnextl(Tbl *t, const char **k_inout, size_t *sz_inout,
 static int node_cmp(void *a, void *b)
   { const struct word *wa = a, *wb = b; return (compare_words(wa, wb)); }
 
+static int word_cmp(void *k, void *n)
+{
+  const struct word *word = k;
+  const struct node *node = n;
+
+  return (compare_words(word, &node->w));
+}
+
 #  define DECLS								\
 	tree234 *root;							\
 	int i
@@ -456,7 +464,7 @@ static int node_cmp(void *a, void *b)
 
 #  define FOCUS do ; while (0)
 
-#  define LOOKUP find234(root, &word, 0)
+#  define LOOKUP find234(root, &word, word_cmp)
 
 #  define FREE do {							\
 	while (node = delpos234(root, 0), node) free(node);		\