+/*
+ * I/O and support riutines.
+ *
+ * Copyright (c) 1977, 2005 by Will Crowther and Don Woods
+ * Copyright (c) 2017 by Eric S. Raymond
+ * SPDX-License-Identifier: BSD-2-clause
+ */
+
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
return true;
}
-static void get_vocab_metadata(command_word_t* word)
+static void get_vocab_metadata(const char* word, vocab_t* id, word_type_t* type)
{
/* Check for an empty string */
- if (strncmp(word->raw, "", sizeof("")) == 0) {
- word->id = WORD_EMPTY;
- word->type = NO_WORD_TYPE;
+ if (strncmp(word, "", sizeof("")) == 0) {
+ *id = WORD_EMPTY;
+ *type = NO_WORD_TYPE;
return;
}
vocab_t ref_num;
- ref_num = get_motion_vocab_id(word->raw);
+ ref_num = get_motion_vocab_id(word);
if (ref_num != WORD_NOT_FOUND) {
- word->id = ref_num;
- word->type = MOTION;
+ *id = ref_num;
+ *type = MOTION;
return;
}
- ref_num = get_object_vocab_id(word->raw);
+ ref_num = get_object_vocab_id(word);
if (ref_num != WORD_NOT_FOUND) {
- word->id = ref_num;
- word->type = OBJECT;
+ *id = ref_num;
+ *type = OBJECT;
return;
}
- ref_num = get_action_vocab_id(word->raw);
+ ref_num = get_action_vocab_id(word);
if (ref_num != WORD_NOT_FOUND) {
- word->id = ref_num;
- word->type = ACTION;
+ *id = ref_num;
+ *type = ACTION;
return;
}
// Check for the reservoir magic word.
- if (strcasecmp(word->raw, game.zzword) == 0) {
- word->id = PART;
- word->type = ACTION;
+ if (strcasecmp(word, game.zzword) == 0) {
+ *id = PART;
+ *type = ACTION;
return;
}
// Check words that are actually numbers.
- if (is_valid_int(word->raw)) {
- word->id = WORD_EMPTY;
- word->type = NUMERIC;
+ if (is_valid_int(word)) {
+ *id = WORD_EMPTY;
+ *type = NUMERIC;
return;
}
- word->id = WORD_NOT_FOUND;
- word->type = NO_WORD_TYPE;
+ *id = WORD_NOT_FOUND;
+ *type = NO_WORD_TYPE;
return;
}
static void tokenize(char* raw, command_t *cmd)
{
- memset(cmd, '\0', sizeof(command_t));
+ /*
+ * Be caereful about modifing this. We do not want to nuke the
+ * the speech part or ID from the previous turn.
+ */
+ memset(&cmd->word[0].raw, '\0', sizeof(cmd->word[0],raw));
+ memset(&cmd->word[1].raw, '\0', sizeof(cmd->word[1].raw));
/* Bound prefix on the %s would be needed to prevent buffer
* overflow. but we shortstop this more simply by making each
}
/* populate command with parsed vocabulary metadata */
- get_vocab_metadata(&(cmd->word[0]));
- get_vocab_metadata(&(cmd->word[1]));
+ get_vocab_metadata(cmd->word[0].raw, &(cmd->word[0].id), &(cmd->word[0].type));
+ get_vocab_metadata(cmd->word[1].raw, &(cmd->word[1].id), &(cmd->word[1].type));
}
bool get_command_input(command_t *command)
if (game.place[object] == CARRIED)
return;
game.place[object] = CARRIED;
- ++game.holdng;
+
+ if (object!= BIRD)
+ ++game.holdng;
}
if (game.atloc[where] == object) {
game.atloc[where] = game.link[object];
game.fixed[object - NOBJECTS] = where;
else {
if (game.place[object] == CARRIED)
- --game.holdng;
+ if (object != BIRD)
+ /* The bird has to be weightless. This ugly hack (and the
+ * corresponding code in the drop function) brought to you
+ * by the fact that when the bird is caged, we need to be able
+ * to either 'take bird' or 'take cage' and have the right thing
+ * happen.
+ */
+ --game.holdng;
game.place[object] = where;
}
if (where == LOC_NOWHERE ||