Localizing variables

actions.c

@@ -21,9 +21,9 @@ static int attack(FILE *input, long verb, token_t obj)
  *  enemies, or no enemies but 2 others. */
 {
     int spk = ACTSPK[verb];
-    int i = ATDWRF(game.loc);
+    int d = ATDWRF(game.loc);
     if (obj == 0) {
-	if (i > 0)
+	if (d > 0)
 	    obj=DWARF;
 	if (HERE(SNAKE))obj=obj*NOBJECTS+SNAKE;
 	if (AT(DRAGON) && game.prop[DRAGON] == 0)obj=obj*NOBJECTS+DRAGON;
@@ -66,12 +66,12 @@ static int attack(FILE *input, long verb, token_t obj)
     if (obj == DRAGON)spk=ALREADY_DEAD;
     if (obj == TROLL)spk=ROCKY_TROLL;
     if (obj == OGRE)spk=OGRE_DOFGE;
-    if (obj == OGRE && i > 0) {
+    if (obj == OGRE && d > 0) {
 	RSPEAK(spk);
 	RSPEAK(KNIFE_THROWN);
 	DSTROY(OGRE);
 	int k=0;
-	for (i=1; i < PIRATE; i++) {
+	for (int i=1; i < PIRATE; i++) {
 	    if (game.dloc[i] == game.loc) {
 		++k;
 		game.dloc[i] = LOC_61;
@@ -604,13 +604,12 @@ static int fly(token_t verb, token_t obj)
     RSPEAK(spk);
     return GO_TERMINATE;
 }
-    
+
 static int inven(token_t obj)
 /* Inventory. If object, treat same as find.  Else report on current burden. */
 {
-    int i;
     int spk=NO_CARRY;
-    for (i=1; i<=NOBJECTS; i++) {
+    for (int i=1; i<=NOBJECTS; i++) {
 	if (i == BEAR || !TOTING(i))
 	    continue;
 	if (spk == NO_CARRY)
@@ -661,13 +660,13 @@ int light(token_t verb, token_t obj)
 	    return GO_TOP;
 	else
 	    return GO_CLEAROBJ;
-    }	 
+    }
 }
 
 static int listen(void)
 /*  Listen.  Intransitive only.  Print stuff based on objsnd/locsnd. */
 {
-    int i, k;
+    int k;
     int spk=ALL_SILENT;
     k=LOCSND[game.loc];
     if (k != 0) {
@@ -676,7 +675,7 @@ static int listen(void)
 	spk=ARB_0;
     }
     SETPRM(1,game.zzword,0);
-    for (i=1; i<=NOBJECTS; i++) {
+    for (int i=1; i<=NOBJECTS; i++) {
 	if (!HERE(i) || OBJSND[i] == 0 || game.prop[i] < 0)
 	    continue;
 	PSPEAK(i,OBJSND[i]+game.prop[i]);

dungeon.c

@@ -21,9 +21,6 @@
 #include <stdbool.h>
 #include <unistd.h>
 
-/* hard limit, will be propagated to database.h */
-#define NOBJECTS	100
-
 // Global variables for use in functions below that can gradually disappear as code is cleaned up
 static long LNLENG;
 static long LNPOSN;
@@ -149,7 +146,6 @@ static void BUG(long NUM) {
 }
 
 static void MAPLIN(FILE *OPENED) {
-	size_t i;
    /*  Read a line of input, from the specified input source,
     *  translate the chars to integers in the range 0-126 and store
     *  them in the common array "INLINE".  Integer values are as follows:
@@ -183,7 +179,7 @@ static void MAPLIN(FILE *OPENED) {
    while (!feof(OPENED) && INLINE[1] == '#');
 
    LNLENG = 0;
-   for (i = 1; i < sizeof(INLINE) && INLINE[i] != 0; ++i)
+   for (size_t i = 1; i < sizeof(INLINE) && INLINE[i] != 0; ++i)
    {
       char val = INLINE[i];
       INLINE[i] = ascii_to_advent[(unsigned)val];
@@ -529,8 +525,8 @@ static void write_hints(FILE* header_file, long matrix[][HINTLEN], long dim1, lo
 
 static void write_file(FILE* header_file)
 {
-   int i, MAXDIE;
+   int MAXDIE;
-   for (i=0; i<=4; i++) {
+   for (int i=0; i<=4; i++) {
       long x = 2*i+81;
       if(RTEXT[x] != 0)
          MAXDIE=i+1;

init.c

@@ -172,20 +172,19 @@
 
 void initialise(void)
 {
-    int i, k;
     if (oldstyle)
 	printf("Initialising...\n");
 
-    for (i=1; i<=NOBJECTS; i++) {
+    for (int i=1; i<=NOBJECTS; i++) {
 	game.place[i]=0;
 	game.prop[i]=0;
 	game.link[i+NOBJECTS]=game.link[i]=0;
     }
 
-    for (i=1; i<=LOCSIZ; i++) {
+    for (int i=1; i<=LOCSIZ; i++) {
 	game.abbrev[i]=0;
 	if (!(locations[i].description.big == 0 || KEY[i] == 0)) {
-	    k=KEY[i];
+	    int k=KEY[i];
 	    if(MOD(labs(TRAVEL[k]),1000) == 1)COND[i]=2;
 	}
 	game.atloc[i]=0;
@@ -198,16 +197,16 @@ void initialise(void)
      *  This also sets up "game.place" and "fixed" as copies of "PLAC" and
      *  "FIXD".  Also, since two-placed objects are typically best
      *  described last, we'll drop them first. */
-    for (i=1; i<=NOBJECTS; i++) {
+    for (int i=1; i<=NOBJECTS; i++) {
-	k=NOBJECTS + 1 - i;
+	int k=NOBJECTS + 1 - i;
 	if(FIXD[k] > 0) {
 	    DROP(k+NOBJECTS,FIXD[k]);
 	    DROP(k,PLAC[k]);
 	}
     }
 
-    for (i=1; i<=NOBJECTS; i++) {
+    for (int i=1; i<=NOBJECTS; i++) {
-	k=NOBJECTS + 1 - i;
+	int k=NOBJECTS + 1 - i;
 	game.fixed[k]=FIXD[k];
 	if(PLAC[k] != 0 && FIXD[k] <= 0)
 	    DROP(k,PLAC[k]);
@@ -218,7 +217,7 @@ void initialise(void)
      *  they are described.  game.tally keeps track of how many are
      *  not yet found, so we know when to close the cave. */
     game.tally=0;
-    for (i=MINTRS; i<=MAXTRS; i++) {
+    for (int i=MINTRS; i<=MAXTRS; i++) {
 	if(object_descriptions[i].inventory != 0)
 	    game.prop[i]= -1;
 	game.tally=game.tally-game.prop[i];
@@ -227,7 +226,7 @@ void initialise(void)
     /*  Clear the hint stuff.  game.hintlc[i] is how long he's been at LOC
      *  with cond bit i.  game.hinted[i] is true iff hint i has been
      *  used. */
-    for (i=1; i<=HNTMAX; i++) {
+    for (int i=1; i<=HNTMAX; i++) {
 	game.hinted[i]=false;
 	game.hintlc[i]=0;
     }
@@ -326,7 +325,7 @@ void initialise(void)
      *  loc stored in game.chloc2. */
     game.chloc = LOC_114;
     game.chloc2 = LOC_140;
-    for (i=1; i<=NDWARVES; i++) {
+    for (int i=1; i<=NDWARVES; i++) {
 	game.dseen[i]=false;
     }
     game.dflag=0;

main.c

@@ -176,7 +176,7 @@ static void checkhints(FILE *cmdin)
 	    ++game.hintlc[hint];
 	    /*  Come here if he's been long enough at required loc(s) for some
 	     *  unused hint. */
-	    if (game.hintlc[hint] >= HINTS[hint][1]) 
+	    if (game.hintlc[hint] >= HINTS[hint][1])
 	    {
 		int i;
 

misc.c

@@ -105,9 +105,9 @@ void newspeak(char* msg)
 	    {
 	      copy[i + 1] = 's';
 	      packed_to_token(PARMS[pi], parameters[pi]);
-	      for (int i = 0; i < strlen(parameters[pi]); ++i)
+	      for (int j = 0; j < strlen(parameters[pi]); ++j)
 		{
-		  parameters[pi][i] = tolower(parameters[pi][i]);
+		  parameters[pi][j] = tolower(parameters[pi][j]);
 		}
 	    }
 
@@ -116,9 +116,9 @@ void newspeak(char* msg)
 	    {
 	      copy[i + 1] = 's';
 	      packed_to_token(PARMS[pi], parameters[pi]);
-	      for (int i = 0; i < strlen(parameters[pi]); ++i)
+	      for (int j = 0; j < strlen(parameters[pi]); ++j)
 		{
-		  parameters[pi][i] = tolower(parameters[pi][i]);
+		  parameters[pi][j] = tolower(parameters[pi][j]);
 		}
 	      parameters[pi][0] = toupper(parameters[pi][0]);
 	    }
@@ -316,16 +316,16 @@ long VOCAB(long id, long init)
  *  (Thus "STEPS", which is a motion verb as well as an object, may be located
  *  as an object.)  And it also means the KTAB value is taken modulo 1000. */
 {
-    long i, lexeme;
+    long lexeme;
 
-    for (i=1; i<=TABSIZ; i++) {
+    for (long i=1; i<=TABSIZ; i++) {
 	if (KTAB[i] == -1) {
 	    lexeme= -1;
 	    if (init < 0)
 		return(lexeme);
 	    BUG(5);
 	}
-	if (init >= 0 && KTAB[i]/1000 != init) 
+	if (init >= 0 && KTAB[i]/1000 != init)
 	    continue;
 	if (ATAB[i] == id) {
 	    lexeme=KTAB[i];
@@ -427,13 +427,13 @@ long ATDWRF(long where)
  *  there (or if dwarves not active yet), -1 if all dwarves are dead.  Ignore
  *  the pirate (6th dwarf). */
 {
-    long at, i;
+    long at;
 
     at =0;
     if (game.dflag < 2)
 	return(at);
     at = -1;
-    for (i=1; i<=NDWARVES-1; i++) {
+    for (long i=1; i<=NDWARVES-1; i++) {
 	if (game.dloc[i] == where)
 	    return i;
 	if (game.dloc[i] != 0)

score.c

@@ -10,7 +10,7 @@
 void score(long mode)
 /* mode is <0 if scoring, >0 if quitting, =0 if died or won */
 {
-    long i, k, score = 0, mxscor = 0;
+    long score = 0, mxscor = 0;
 
     /*  The present scoring algorithm is as follows:
      *     Objective:          Points:        Present total possible:
@@ -33,9 +33,9 @@ void score(long mode)
 
     /*  First tally up the treasures.  Must be in building and not broken.
      *  Give the poor guy 2 points just for finding each treasure. */
-    for (i=MINTRS; i<=MAXTRS; i++) {
+    for (long i=MINTRS; i<=MAXTRS; i++) {
 	if(object_descriptions[i].inventory != 0) {
-	    k=12;
+	    long k=12;
 	    if(i == CHEST)k=14;
 	    if(i > CHEST)k=16;
 	    if(game.prop[i] >= 0)
@@ -82,7 +82,7 @@ void score(long mode)
     mxscor += 2;
 
     /* Deduct for hints/turns/saves. Hints < 4 are special; see database desc. */
-    for (i=1; i<=HNTMAX; i++) {
+    for (long i=1; i<=HNTMAX; i++) {
 	if(game.hinted[i])
 	    score=score-HINTS[i][2];
     }
@@ -108,7 +108,7 @@ void score(long mode)
     SETPRM(1,score,mxscor);
     SETPRM(3,game.turns,game.turns);
     RSPEAK(TOTAL_SCORE);
-    for (i=1; i<=CLSSES; i++) {
+    for (long i=1; i<=CLSSES; i++) {
 	if(CVAL[i] >= score) {
 	    newspeak(class_messages[i]);
 	    i=CVAL[i]+1-score;