#include <stdlib.h>
#include <stdio.h>
#include <string.h>
+#include <stdarg.h>
#include <sys/time.h>
#include <ctype.h>
return (ptr);
}
-char* xstrdup(const char* s)
-{
- char* ptr = strdup(s);
- if (ptr == NULL) {
- fprintf(stderr, "Out of memory!\n");
- exit(EXIT_FAILURE);
- }
- return (ptr);
-}
-
void packed_to_token(long packed, char token[6])
{
// Unpack and map back to ASCII.
*v = 0;
}
-/* I/O routines (SPEAK, PSPEAK, RSPEAK, SETPRM, GETIN, YES) */
+/* I/O routines (speak, pspeak, rspeak, GETIN, YES) */
-void speak(const char* msg)
+void vspeak(const char* msg, va_list ap)
{
// Do nothing if we got a null pointer.
if (msg == NULL)
if (game.blklin == true)
printf("\n");
- // Create a copy of our string, so we can edit it.
- char* copy = xstrdup(msg);
+ int msglen = strlen(msg);
- // Staging area for stringified parameters.
- char parameters[5][100]; // FIXME: to be replaced with dynamic allocation
+ // Rendered string
+ ssize_t size = 2000; /* msglen > 50 ? msglen*2 : 100; */
+ char* rendered = xmalloc(size);
+ char* renderp = rendered;
// Handle format specifiers (including the custom %C, %L, %S) by adjusting the parameter accordingly, and replacing the specifier with %s.
- int pi = 0; // parameter index
- for (int i = 0; i < (int)strlen(msg); ++i) {
- if (msg[i] == '%') {
- ++pi;
-
+ long previous_arg = 0;
+ for (int i = 0; i < msglen; i++) {
+ if (msg[i] != '%') {
+ *renderp++ = msg[i];
+ size--;
+ } else {
+ long arg = va_arg(ap, long);
+ if (arg == -1)
+ arg = 0;
+ i++;
// Integer specifier. In order to accommodate the fact that PARMS can have both legitimate integers *and* packed tokens, stringify everything. Future work may eliminate the need for this.
- if (msg[i + 1] == 'd') {
- copy[i + 1] = 's';
- sprintf(parameters[pi], "%ld", PARMS[pi]);
+ if (msg[i] == 'd') {
+ int ret = snprintf(renderp, size, "%ld", arg);
+ if (ret < size) {
+ renderp += ret;
+ size -= ret;
+ }
}
// Unmodified string specifier.
- if (msg[i + 1] == 's') {
- packed_to_token(PARMS[pi], parameters[pi]);
+ if (msg[i] == 's') {
+ packed_to_token(arg, renderp); /* unpack directly to destination */
+ size_t len = strlen(renderp);
+ renderp += len;
+ size -= len;
}
// Singular/plural specifier.
- if (msg[i + 1] == 'S') {
- copy[i + 1] = 's';
- if (PARMS[pi - 1] > 1) { // look at the *previous* parameter (which by necessity must be numeric)
- sprintf(parameters[pi], "%s", "s");
- } else {
- sprintf(parameters[pi], "%s", "");
+ if (msg[i] == 'S') {
+ if (previous_arg > 1) { // look at the *previous* parameter (which by necessity must be numeric)
+ *renderp++ = 's';
+ size--;
}
}
// All-lowercase specifier.
- if (msg[i + 1] == 'L') {
- copy[i + 1] = 's';
- packed_to_token(PARMS[pi], parameters[pi]);
- for (int j = 0; j < (int)strlen(parameters[pi]); ++j) {
- parameters[pi][j] = tolower(parameters[pi][j]);
+ if (msg[i] == 'L' || msg[i] == 'C') {
+ packed_to_token(arg, renderp); /* unpack directly to destination */
+ int len = strlen(renderp);
+ for (int j = 0; j < len; ++j) {
+ renderp[j] = tolower(renderp[j]);
}
+ if (msg[i] == 'C') // First char uppercase, rest lowercase.
+ renderp[0] = toupper(renderp[0]);
+ renderp += len;
+ size -= len;
}
- // First char uppercase, rest lowercase.
- if (msg[i + 1] == 'C') {
- copy[i + 1] = 's';
- packed_to_token(PARMS[pi], parameters[pi]);
- for (int j = 0; j < (int)strlen(parameters[pi]); ++j) {
- parameters[pi][j] = tolower(parameters[pi][j]);
- }
- parameters[pi][0] = toupper(parameters[pi][0]);
- }
+ previous_arg = arg;
}
}
-
- // Render the final string.
- char rendered[2000]; // FIXME: to be replaced with dynamic allocation
- sprintf(rendered, copy, parameters[1], parameters[2], parameters[3], parameters[4]); // FIXME: to be replaced with vsprintf()
+ *renderp = 0;
// Print the message.
printf("%s\n", rendered);
- free(copy);
-}
-
-void PSPEAK(vocab_t msg, int skip)
-/* Find the skip+1st message from msg and print it. msg should be
- * the index of the inventory message for object. (INVEN+N+1 message
- * is game.prop=N message). */
-{
- if (skip >= 0)
- speak(object_descriptions[msg].longs[skip]);
- else
- speak(object_descriptions[msg].inventory);
+ free(rendered);
+}
+
+void speak(const char* msg, ...)
+{
+ va_list ap;
+ va_start(ap, msg);
+ vspeak(msg, ap);
+ va_end(ap);
+}
+
+void pspeak(vocab_t msg, enum speaktype mode, int skip, ...)
+/* Find the skip+1st message from msg and print it. Modes are:
+ * feel = for inventory, what you can touch
+ * look = the long description for the state the object is in
+ * listen = the sound for the state the object is in
+ * study = text on the object. */
+{
+ va_list ap;
+ va_start(ap, skip);
+ switch (mode) {
+ case touch:
+ vspeak(objects[msg].inventory, ap);
+ break;
+ case look:
+ vspeak(objects[msg].longs[skip], ap);
+ break;
+ case hear:
+ vspeak(objects[msg].sounds[skip], ap);
+ break;
+ case study:
+ vspeak(objects[msg].texts[skip], ap);
+ break;
+ }
+ va_end(ap);
}
-void RSPEAK(vocab_t i)
+void rspeak(vocab_t i, ...)
/* Print the i-th "random" message (section 6 of database). */
{
- speak(arbitrary_messages[i]);
-}
-
-void SETPRM(long first, long p1, long p2)
-/* Stores parameters into the PRMCOM parms array for use by speak. P1 and P2
- * are stored into PARMS(first) and PARMS(first+1). */
-{
- if (first >= MAXPARMS)
- BUG(TOO_MANY_PARAMETERS_GIVEN_TO_SETPRM);
- else {
- PARMS[first] = p1;
- PARMS[first + 1] = p2;
- }
+ va_list ap;
+ va_start(ap, i);
+ vspeak(arbitrary_messages[i], ap);
+ va_end(ap);
}
bool GETIN(FILE *input,
(junk > 0);
if (GETTXT(true, true, true) <= 0)
return true;
- RSPEAK(TWO_WORDS);
+ rspeak(TWO_WORDS);
}
}
IGNORE(getline(&input, &n, stdin));
}
- if (input == NULL) // Got EOF; quit.
- exit(EXIT_SUCCESS);
+ if (input == NULL) // Got EOF; return with it.
+ return(input);
else if (input[0] == '#') // Ignore comments.
continue;
else // We have a 'normal' line; leave the loop.
return (input);
}
-bool YES(const char* question, const char* yes_response, const char* 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. */
{
speak(question);
reply = get_input();
+ if (reply == NULL) {
+ linenoiseFree(reply);
+ exit(EXIT_SUCCESS);
+ }
- char* firstword = (char*) xmalloc(strlen(reply));
+ char* firstword = (char*) xmalloc(strlen(reply)+1);
sscanf(reply, "%s", firstword);
for (int i = 0; i < (int)strlen(firstword); ++i)
outcome = false;
break;
} else
- RSPEAK(PLEASE_ANSWER);
+ rspeak(PLEASE_ANSWER);
}
linenoiseFree(reply);
return (outcome);
/* Data structure routines */
-long VOCAB(long id, long init)
+long vocab(long id, long init)
/* Look up ID in the vocabulary (ATAB) and return its "definition" (KTAB), or
* -1 if not found. If INIT is positive, this is an initialisation call setting
* up a keyword variable, and not finding it constitutes a bug. It also means
BUG(RAN_OFF_END_OF_VOCABULARY_TABLE);
}
-void JUGGLE(long object)
+void juggle(long object)
/* Juggle an object by picking it up and putting it down again, the purpose
* being to get the object to the front of the chain of things at its loc. */
{
i = game.place[object];
j = game.fixed[object];
- MOVE(object, i);
- MOVE(object + NOBJECTS, j);
+ move(object, i);
+ move(object + NOBJECTS, j);
}
-void MOVE(long object, long where)
+void move(long object, long where)
/* Place any object anywhere by picking it up and dropping it. May
* already be toting, in which case the carry is a no-op. Mustn't
* pick up objects which are not at any loc, since carry wants to
else
from = game.place[object];
if (from != LOC_NOWHERE && from != CARRIED && !SPECIAL(from))
- CARRY(object, from);
- DROP(object, where);
+ carry(object, from);
+ drop(object, where);
}
-long PUT(long object, long where, long pval)
+long put(long object, long where, long pval)
/* PUT is the same as MOVE, except it returns a value used to set up the
* negated game.prop values for the repository objects. */
{
- MOVE(object, where);
+ move(object, where);
return (-1) - pval;;
}
-void CARRY(long object, long where)
+void carry(long object, long where)
/* Start toting an object, removing it from the list of things at its former
* location. Incr holdng unless it was already being toted. If object>NOBJECTS
* (moving "fixed" second loc), don't change game.place or game.holdng. */
game.link[temp] = game.link[object];
}
-void DROP(long object, long where)
+void drop(long object, long where)
/* Place an object at a given loc, prefixing it onto the game.atloc list. Decr
* game.holdng if the object was being toted. */
{
game.atloc[where] = object;
}
-long ATDWRF(long where)
+long atdwrf(long where)
/* Return the index of first dwarf at the given location, zero if no dwarf is
* there (or if dwarves not active yet), -1 if all dwarves are dead. Ignore
* the pirate (6th dwarf). */
/* Utility routines (SETBIT, TSTBIT, set_seed, get_next_lcg_value,
* randrange, RNDVOC) */
-long SETBIT(long bit)
+long setbit(long bit)
/* Returns 2**bit for use in constructing bit-masks. */
{
return (1 << bit);
}
-bool TSTBIT(long mask, int bit)
+bool tstbit(long mask, int bit)
/* Returns true if the specified bit is set in the mask. */
{
return (mask & (1 << bit)) != 0;
return range * get_next_lcg_value() / game.lcg_m;
}
-long RNDVOC(long second, long force)
+long rndvoc(long second, long force)
/* Searches the vocabulary ATAB for a word whose second character is
* char, and changes that word such that each of the other four
* characters is a random letter. If force is non-zero, it is used
* If the data file uses a character other than space (e.g., tab) to
* separate numbers, that character should also translate to 0.
*
- * This procedure may use the map1,map2 arrays to maintain static data for
- * the mapping. MAP2(1) is set to 0 when the program starts
- * and is not changed thereafter unless the routines on this page choose
- * to do so. */
+ * This procedure may use the map1,map2 arrays to maintain
+ * static data for he mapping. MAP2(1) is set to 0 when the
+ * program starts and is not changed thereafter unless the
+ * routines in this module choose to do so. */
LNLENG = 0;
for (long i = 1; i <= (long)sizeof(INLINE) && INLINE[i] != 0; i++) {
long val = INLINE[i];
}
}
-void DATIME(long* d, long* t)
+void datime(long* d, long* t)
{
struct timeval tv;
gettimeofday(&tv, NULL);
projects / open-adventure.git / blobdiff