X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=dict.c;h=f975829c1877c74e1b85001c571fcbccbd2d8ccc;hb=6717cd95edcf1332c81daaa6c608c293dc8ffb4a;hp=c364cb8110f066c9fbc71f65317fbb526778da84;hpb=fa2eccd25e634f0d2c4de088dc4a881de9cbbb50;p=wordgame

diff --git a/dict.c b/dict.c
index c364cb8..f975829 100644
--- a/dict.c
+++ b/dict.c
@@ -26,6 +26,20 @@
 
 #include "dict.h"
 
+typedef struct _string {
+    size_t size;
+    char *s;
+    size_t len;
+} string_t;
+
+#define TRIE_FLAGS_IS_WORD	(1<<0)
+
+typedef bool_t
+(*trie_predicate_t) (trie_t *trie);
+
+#define TRIE_CHAR_TO_INDEX(c)	(tolower (c) - 'a')
+#define TRIE_INDEX_TO_CHAR(i)	(i + 'a')
+
 void *
 xmalloc (size_t size)
 {
@@ -58,6 +72,8 @@ void
 chomp (char *s)
 {
     int len = strlen (s);
+    if (len == 0)
+	return;
     if (s[len - 1] == '\n')
 	s[len - 1] = '\0';
 }