more warning cleanup (trunk only)

More warning bits that never got committed.
More appropriate compiler flags for warning checks (macosx only for the moment).
The changes in dgn*[lc] just rename line_number to nh_line_number to avoid a
clash, so no need to regenerate the lex output.

src/cmd.c

@@ -160,7 +160,7 @@ STATIC_DCL char FDECL(cmd_from_func, (int NDECL((*))));
 STATIC_PTR int NDECL(doattributes);
 STATIC_PTR int NDECL(doconduct); /**/
 
-STATIC_DCL void FDECL(enlght_line, (const char *,const char *,const char *,char *));
+STATIC_DCL void FDECL(enlght_line, (const char *,const char *,const char *,const char *));
 STATIC_DCL char *FDECL(enlght_combatinc, (const char *,int,int,char *));
 STATIC_DCL void FDECL(enlght_halfdmg, (int,int));
 STATIC_DCL boolean NDECL(walking_on_water);
@@ -991,8 +991,7 @@ static const char
 
 static void
 enlght_line(start, middle, end, ps)
-const char *start, *middle, *end;
-char *ps;
+const char *start, *middle, *end, *ps;
 {
 	char buf[BUFSZ];
 

src/dungeon.c

@@ -2069,7 +2069,7 @@ recalc_mapseen()
 {
 	mapseen *mptr;
 	struct monst *shkp;
-	int x, y, ridx;
+	unsigned int x, y, ridx;
 
 	/* Should not happen in general, but possible if in the process
 	 * of being booted from the quest.  The mapseen object gets

src/files.c

@@ -2553,7 +2553,7 @@ parse_sym_line(buf, which_set)
 char *buf;
 int which_set;
 {
-	int i, val;
+	int val;
 	struct symparse *symp = (struct symparse *)0;
 	char *bufp, *commentp, *altp;
 
@@ -2715,10 +2715,10 @@ int which_set;
 			    break;
 		   case 5:  /* restrictions: xxxx*/
 			    if (chosen_symset_start) {
-			        i = 0;
-			        while (known_restrictions[i]) {
-				    if (!strcmpi(known_restrictions[i], bufp)) {
-				    switch(i) {
+			        int n = 0;
+			        while (known_restrictions[n]) {
+				    if (!strcmpi(known_restrictions[n], bufp)) {
+				    switch(n) {
 				    	case  0: symset[which_set].primary = 1;
 						 break;
 					case  1: symset[which_set].rogue   = 1;
@@ -2728,7 +2728,7 @@ int which_set;
 				    }
 				    break;	/* while loop */
 	    	        	    }
-				    i++;
+				    n++;
 		    	        }
 			        /* Don't allow unicode set if code can't handle it */
 			        if (symset[which_set].unicode &&

sys/share/ioctl.c

@@ -54,7 +54,7 @@ struct termios termio;
 struct termio termio;
 #  endif
 # endif
-# ifdef AMIX
+# if defined(AMIX) || defined(__APPLE__)
 #include <sys/ioctl.h>
 # endif /* AMIX */
 #endif

sys/unix/hints/macosx

@@ -44,6 +44,9 @@ GAMEUID  = games
 GAMEGRP  = $(GAMEUID)
 
 
+#CC=gcc -W -Wimplicit -Wreturn-type -Wunused -Wformat -Wswitch -Wshadow -Wcast-qual -Wwrite-strings -DGCC_WARN
+CC=gcc -Wall -Wextra -Wno-missing-field-initializers -Wimplicit -Wreturn-type -Wunused -Wformat -Wswitch -Wshadow -Wcast-qual -Wwrite-strings -DGCC_WARN
+
 #
 # You shouldn't need to change anything below here.
 #

util/dgn_comp.l

@@ -73,7 +73,7 @@ void FDECL(init_yyout, (FILE *));
 
 extern YYSTYPE yylval;
 
-int line_number = 1;
+int nh_line_number = 1;
 
 %}
 %%
@@ -110,8 +110,8 @@ RNDCHLEVEL	return(RNDCHLEVEL);
 		  yylval.str = (char *) alloc(strlen(yytext+1)+1);
 		  Strcpy(yylval.str, yytext+1); /* Discard the first \" */
 		  return(STRING); }
-^#.*\n		{ line_number++; }
-\r?\n		{ line_number++; }
+^#.*\n		{ nh_line_number++; }
+\r?\n		{ nh_line_number++; }
 [ \t]+		;	/* skip trailing tabs & spaces */
 .		{ return yytext[0]; }
 %%

util/dgn_main.c

@@ -33,7 +33,7 @@
 #define MAX_ERRORS	25
 
 extern int  NDECL (yyparse);
-extern int line_number;
+extern int nh_line_number;
 const char *fname = "(stdin)";
 int fatal_error = 0;
 
@@ -135,7 +135,7 @@ char **argv;
 		init_yyin(fin);
 		init_yyout(fout);
 		(void) yyparse();
-		line_number = 1;
+		nh_line_number = 1;
 		if (fatal_error > 0) {
 			errors_encountered = TRUE;
 			fatal_error = 0;
@@ -161,7 +161,7 @@ char **argv;
 void yyerror(s)
 const char *s;
 {
-	(void) fprintf(stderr,"%s : line %d : %s\n",fname,line_number, s);
+	(void) fprintf(stderr,"%s : line %d : %s\n",fname,nh_line_number, s);
 	if (++fatal_error > MAX_ERRORS) {
 		(void) fprintf(stderr,"Too many errors, good bye!\n");
 		exit(EXIT_FAILURE);
@@ -175,7 +175,7 @@ const char *s;
 void yywarning(s)
 const char *s;
 {
-	(void) fprintf(stderr,"%s : line %d : WARNING : %s\n",fname,line_number,s);
+	(void) fprintf(stderr,"%s : line %d : WARNING : %s\n",fname,nh_line_number,s);
 }
 
 int yywrap()