Abstract subanagram code from rack into new bag.c

[wordgame] / rack.c

diff --git a/rack.c b/rack.c
index 968a9ee20812565939ae3079ad264d769eccfc52..e3ef2096ba41cb9aa4d343d59f89eba9f823ccbe 100644 (file)
--- a/rack.c
+++ b/rack.c
@@ -23,54 +23,6 @@
 #include <sys/time.h>
 #include <time.h>
 
-static const char *subanagram_anagram;
-static char subanagram_enumerate_word[WORD_GAME_MAX_WORD_LENGTH];
-static dict_t *subanagram_enumerate_answers;
-
-static void
-subanagram_enumerate (dict_cursor_t     cursor,
-                     uint8_t            seen)
-{
-    char c;
-    unsigned int i, last;
-    uint8_t next_seen;
-
-    if (cursor == DICT_CURSOR_NIL)
-       return;
-
-    if (DICT_ENTRY_IS_WORD (dict_cursor_resolve (cursor)))
-       dict_add_word (subanagram_enumerate_answers, subanagram_enumerate_word);
-
-    last = strlen (subanagram_enumerate_word);
-
-    for (i = 0; i < strlen (subanagram_anagram); i++) {
-       if (seen & (1 << i))
-           continue;
-       next_seen = seen | (1 << i);
-       c = subanagram_anagram[i];
-       if (c == '?' || c == '_') {
-           for (c = 'a'; c <= 'z'; c++) {
-               subanagram_enumerate_word[last] = c;
-               subanagram_enumerate (dict_cursor_next (cursor, c), next_seen);
-           }
-       } else {
-           subanagram_enumerate_word[last] = c;
-           subanagram_enumerate (dict_cursor_next (cursor, c), next_seen);
-       }
-       subanagram_enumerate_word[last] = '\0';
-    }
-}
-
-static void
-subanagram_expand (const char *anagram, dict_t *dict, dict_t *answers)
-{
-    subanagram_anagram = anagram;
-    memset (subanagram_enumerate_word, '\0', WORD_GAME_MAX_WORD_LENGTH);
-    subanagram_enumerate_answers = answers;
-
-    subanagram_enumerate (dict_root (dict), 0);
-}
-
 static int
 character_compare (const void *_a,
                   const void *_b)