void* xmalloc(size_t size)
{
- void* ptr = malloc(size);
- if (ptr == NULL)
- {
- fprintf(stderr, "Out of memory!\n");
- exit(EXIT_FAILURE);
+ void* ptr = malloc(size);
+ if (ptr == NULL) {
+ fprintf(stderr, "Out of memory!\n");
+ exit(EXIT_FAILURE);
}
- return(ptr);
+ return (ptr);
}
char* xstrdup(const char* s)
}
}
+void token_to_packed(char token[6], long* packed)
+{
+ *packed = 0;
+ for (size_t i = 0; i < 5; ++i)
+ {
+ if (token[4 - i] == '\0')
+ continue;
+ char mapped = ascii_to_advent[token[4 - i]];
+ *packed |= (mapped << (6 * i));
+ }
+}
+
+/* Hide the fact that wods are corrently packed longs */
+
+bool wordeq(token_t a, token_t b)
+{
+ return a == b;
+}
+
+bool wordempty(token_t a)
+{
+ return a == 0;
+}
+
+void wordclear(token_t *v)
+{
+ *v = 0;
+}
+
/* I/O routines (SPEAK, PSPEAK, RSPEAK, SETPRM, GETIN, YES) */
void speak(const char* msg)
* are stored into PARMS(first) and PARMS(first+1). */
{
if (first >= MAXPARMS)
- BUG(29);
+ BUG(TOO_MANY_PARAMETERS_GIVEN_TO_SETPRM);
else {
PARMS[first] = p1;
PARMS[first + 1] = p2;
void echo_input(FILE* destination, char* input_prompt, char* input)
{
- size_t len = strlen(input_prompt) + strlen(input) + 1;
- char* prompt_and_input = (char*) xmalloc(len);
- strcpy(prompt_and_input, input_prompt);
- strcat(prompt_and_input, input);
- fprintf(destination, "%s\n", prompt_and_input);
- free(prompt_and_input);
+ size_t len = strlen(input_prompt) + strlen(input) + 1;
+ char* prompt_and_input = (char*) xmalloc(len);
+ strcpy(prompt_and_input, input_prompt);
+ strcat(prompt_and_input, input);
+ fprintf(destination, "%s\n", prompt_and_input);
+ free(prompt_and_input);
}
char* get_input()
-{
- // Set up the prompt
- char input_prompt[] = "> ";
- if (!prompt)
- input_prompt[0] = '\0';
-
- // Print a blank line if game.blklin tells us to.
- if (game.blklin == true)
- printf("\n");
-
- char* input;
- while (true)
- {
- if (editline)
- input = linenoise(input_prompt);
- else
- {
- input = NULL;
- size_t n = 0;
- if (isatty(0))
- printf("%s", input_prompt);
- getline(&input, &n, stdin);
- }
-
- if (input == NULL) // Got EOF; quit.
- exit(EXIT_SUCCESS);
- else if (input[0] == '#') // Ignore comments.
- continue;
- else // We have a 'normal' line; leave the loop.
- break;
+{
+ // Set up the prompt
+ char input_prompt[] = "> ";
+ if (!prompt)
+ input_prompt[0] = '\0';
+
+ // Print a blank line if game.blklin tells us to.
+ if (game.blklin == true)
+ printf("\n");
+
+ char* input;
+ while (true) {
+ if (editline)
+ input = linenoise(input_prompt);
+ else {
+ input = NULL;
+ size_t n = 0;
+ if (isatty(0))
+ printf("%s", input_prompt);
+ IGNORE(getline(&input, &n, stdin));
+ }
+
+ if (input == NULL) // Got EOF; quit.
+ exit(EXIT_SUCCESS);
+ else if (input[0] == '#') // Ignore comments.
+ continue;
+ else // We have a 'normal' line; leave the loop.
+ break;
}
- // Strip trailing newlines from the input
- input[strcspn(input, "\n")] = 0;
+ // Strip trailing newlines from the input
+ input[strcspn(input, "\n")] = 0;
+
+ linenoiseHistoryAdd(input);
- linenoiseHistoryAdd(input);
+ if (!isatty(0))
+ echo_input(stdout, input_prompt, input);
- if (!isatty(0))
- echo_input(stdout, input_prompt, input);
+ if (logfp)
+ echo_input(logfp, input_prompt, input);
- if (logfp)
- echo_input(logfp, input_prompt, input);
-
- return(input);
+ return (input);
}
-bool YES(vocab_t question, vocab_t yes_response, vocab_t no_response)
+bool YES(const char* question, const char* yes_response, const char* no_response)
/* Print message X, wait for yes/no answer. If yes, print Y and return true;
* if no, print Z and return false. */
{
char* reply;
bool outcome;
-
+
for (;;) {
- RSPEAK(question);
-
- reply = get_input();
-
- char* firstword = (char*) xmalloc(strlen(reply));
- sscanf(reply, "%s", firstword);
-
- for (int i = 0; i < strlen(firstword); ++i)
- firstword[i] = tolower(firstword[i]);
-
- int yes = strncmp("yes", reply, sizeof("yes") - 1);
- int y = strncmp("y", reply, sizeof("y") - 1);
- int no = strncmp("no", reply, sizeof("no") - 1);
- int n = strncmp("n", reply, sizeof("n") - 1);
-
- if (yes == 0 || y == 0) {
- RSPEAK(yes_response);
- outcome = true;
- break;
- }
- else if (no == 0 || n == 0) {
- RSPEAK(no_response);
- outcome = false;
- break;
- }
- else
- RSPEAK(PLEASE_ANSWER);
+ speak(question);
+
+ reply = get_input();
+
+ char* firstword = (char*) xmalloc(strlen(reply));
+ sscanf(reply, "%s", firstword);
+
+ for (int i = 0; i < (int)strlen(firstword); ++i)
+ firstword[i] = tolower(firstword[i]);
+
+ int yes = strncmp("yes", firstword, sizeof("yes") - 1);
+ int y = strncmp("y", firstword, sizeof("y") - 1);
+ int no = strncmp("no", firstword, sizeof("no") - 1);
+ int n = strncmp("n", firstword, sizeof("n") - 1);
+
+ free(firstword);
+
+ if (yes == 0 || y == 0) {
+ speak(yes_response);
+ outcome = true;
+ break;
+ } else if (no == 0 || n == 0) {
+ speak(no_response);
+ outcome = false;
+ break;
+ } else
+ RSPEAK(PLEASE_ANSWER);
}
linenoiseFree(reply);
- return(outcome);
+ return (outcome);
}
/* Line-parsing routines (GETTXT, MAKEWD, PUTTXT, SHFTXT) */
lexeme = -1;
if (init < 0)
return (lexeme);
- BUG(5);
+ BUG(REQUIRED_VOCABULARY_WORD_NOT_FOUND);
}
if (init >= 0 && KTAB[i] / 1000 != init)
continue;
return (lexeme);
}
}
- BUG(21);
+ BUG(RAN_OFF_END_OF_VOCABULARY_TABLE);
}
void JUGGLE(long object)
from = game.fixed[object - NOBJECTS];
else
from = game.place[object];
- if (from != NOWHERE && from != CARRIED && !SPECIAL(from))
+ if (from != LOC_NOWHERE && from != CARRIED && !SPECIAL(from))
CARRY(object, from);
DROP(object, where);
}
}
/* Utility routines (SETBIT, TSTBIT, set_seed, get_next_lcg_value,
- * randrange, RNDVOC, BUG) */
+ * randrange, RNDVOC) */
long SETBIT(long bit)
/* Returns 2**bit for use in constructing bit-masks. */
return rnd;
}
-void BUG(long num)
-/* The following conditions are currently considered fatal bugs. Numbers < 20
- * are detected while reading the database; the others occur at "run time".
- * 0 Message line > 70 characters
- * 1 Null line in message
- * 2 Too many words of messages
- * 3 Too many travel options
- * 4 Too many vocabulary words
- * 5 Required vocabulary word not found
- * 6 Too many RTEXT messages
- * 7 Too many hints
- * 8 Location has cond bit being set twice
- * 9 Invalid section number in database
- * 10 Too many locations
- * 11 Too many class or turn messages
- * 20 Special travel (500>L>300) exceeds goto list
- * 21 Ran off end of vocabulary table
- * 22 Vocabulary type (N/1000) not between 0 and 3
- * 23 Intransitive action verb exceeds goto list
- * 24 Transitive action verb exceeds goto list
- * 25 Conditional travel entry with no alternative
- * 26 Location has no travel entries
- * 27 Hint number exceeds goto list
- * 28 Invalid month returned by date function
- * 29 Too many parameters given to SETPRM */
-{
-
- printf("Fatal error %ld. See source code for interpretation.\n", num);
- exit(0);
-}
/* Machine dependent routines (MAPLIN, SAVEIO) */
*t = (long) tv.tv_usec;
}
+void bug(enum bugtype num, const char *error_string)
+{
+ fprintf(stderr, "Fatal error %d, %s.\n", num, error_string);
+ exit(EXIT_FAILURE);
+}
+
/* end */