more followup (trunk only)

make the handling recognition use an int instead of string.

include/rm.h

@@ -241,21 +241,28 @@ struct textlist {
 	struct textlist *next;	/* next in list   */
 };
 
+/*
+ * special symbol set handling types (callbacks, etc.)
+ * Must match the order of the known_handlers strings
+ * in drawing.c
+ */
+#define H_UNK	0
+#define H_IBM	1
+#define H_DEC	2
+
 #ifdef REINCARNATION
-#define ROGUEHANDLING(H) ((Is_rogue_level(&u.uz) && roguehandling && \
-			   !strcmpi(roguehandling,H)))
-#define SYMHANDLING(H)	(ROGUEHANDLING(H) || \
-			 (!Is_rogue_level(&u.uz) && symhandling && \
-			  !strcmpi(symhandling,H)))
+#define ROGUEHANDLING(ht) (Is_rogue_level(&u.uz) && roguehandling == (ht))
+#define SYMHANDLING(ht)   (ROGUEHANDLING(ht) || \
+			     (!Is_rogue_level(&u.uz) && symhandling == (ht)))
 #else
-#define SYMHANDLING(H)	(symhandling && !strcmpi(symhandling,H))
+#define SYMHANDLING(ht)   (symhandling == (ht))
 #endif
 
 extern const struct symdef defsyms[MAXPCHARS];	/* defaults */
 extern uchar showsyms[MAXPCHARS];
 extern const struct symdef def_warnsyms[WARNCOUNT];
-extern char *symset, *symhandling;		/* from drawing.c */
-extern char *roguesymset, *roguehandling;	/* from drawing.c */
+extern char *symset, *roguesymset;		/* from drawing.c */
+extern int symhandling, roguehandling;		/* from drawing.c */
 
 /*
  * Graphics sets for display symbols

src/drawing.c

@@ -17,8 +17,8 @@
 #define C(n)
 #endif
 
-char *symset = 0, *symhandling = 0;		/* from drawing.c */
-char *roguesymset = 0, *roguehandling = 0;	/* from drawing.c */
+char *symset = 0, *roguesymset = 0;
+int symhandling = 0, roguehandling = 0;
 
 uchar oc_syms[MAXOCLASSES] = DUMMY; /* the current object  display symbols */
 uchar showsyms[MAXPCHARS]  = DUMMY; /* the current feature display symbols */
@@ -380,14 +380,14 @@ int nondefault;
 		 * the Is_Roguelevel checks in those macros.
 		 */
 #ifdef PC9800
-		if (symhandling && !strcmpi(symhandling,"IBM")
+		if (symhandling == H_IBM
 		    && ibmgraphics_mode_callback)
 			(*ibmgraphics_mode_callback)();
 	        else if (!symset && ascgraphics_mode_callback)
 			(*ascgraphics_mode_callback)();
 #endif
 #ifdef TERMLIB
-	    	if (symhandling && !strcmp(symhandling,"DEC")
+	    	if (symhandling == H_DEC
 		    && decgraphics_mode_callback)
 			(*decgraphics_mode_callback)();
 #endif
@@ -538,6 +538,20 @@ int val;
 	 }
 }
 
+/*
+ * If you are adding code somewhere to be able to recognize
+ * particular types of symset "handling", define a 
+ * H_XXX macro in include/rm.h and add the name
+ * to this array at the matching offset.
+ */
+const char *known_handling[] = {
+	"UNKNOWN",	/* H_UNK */
+	"IBM", 		/* H_IBM */
+	"DEC", 		/* H_DEC */
+	(const char *)0,
+};
+ 
+
 struct symparse loadsyms[] = {
 	{SYM_CONTROL, 0, "start"},
 	{SYM_CONTROL, 0, "begin"},

src/files.c

@@ -2422,8 +2422,9 @@ read_wizkit()
 #endif /*WIZARD*/
 
 #ifdef ASCIIGRAPH
-extern struct symparse loadsyms[];	/* drawing.c */
 extern struct textlist *symset_list;	/* options.c */
+extern struct symparse loadsyms[];	/* drawing.c */
+extern const char *known_handling[];	/* drawing.c */
 static int symset_count = 0;	 	/* for pick-list building only */
 static boolean chosen_symset_start = FALSE, chosen_symset_end = FALSE;
 
@@ -2560,12 +2561,15 @@ boolean rogueflag;
 			    if (!strcmpi(bufp, symsetname)) { /* desired one? */
 				chosen_symset_start = TRUE;
 #ifdef REINCARNATION
-				if (rogueflag)
+				if (rogueflag) {
 				    init_r_symbols();
-				else
+				    roguehandling = H_UNK;
+				}
 #endif
+				if (!rogueflag) {
 				    init_l_symbols();
-				free_symhandling(rogueflag);
+				    symhandling = H_UNK;
+				}
 			    }
 			    break;
 		    case 1:
@@ -2594,42 +2598,32 @@ boolean rogueflag;
 	return 1;
 }
 
-STATIC_OVL void
-free_symhandling(rogueflag)
-boolean rogueflag;
-{
-	if (rogueflag) {
-#ifdef REINCARNATION
-		if (roguehandling) {
-			free((genericptr_t)roguehandling);
-			roguehandling = (char *)0;
-		}
-#endif
-	} else {
-		if (symhandling) {
-			free((genericptr_t)symhandling);
-			symhandling = (char *)0;
-		}
-	}
-}
-
 STATIC_OVL void
 set_symhandling(handling, rogueflag)
 char *handling;
 boolean rogueflag;
 {
-	char *new_handling;
+	int i = 0;
 
-	free_symhandling(rogueflag);
-	if (!handling) return;
-	new_handling = (char *)alloc(strlen(handling)+1);
-	Strcpy(new_handling, handling);
 #ifdef REINCARNATION
-	if (rogueflag)
-		roguehandling = new_handling;
+	if (rogueflag) roguehandling = H_UNK;
 #endif
-	if (!rogueflag)
-		symhandling = new_handling;
+	if (!rogueflag) symhandling = H_UNK;
+	while (known_handling[i]) {
+	    if (!strcmpi(known_handling[i], handling)) {
+#ifdef REINCARNATION
+		if (rogueflag) {
+			roguehandling = i;
+			return;
+		}
+#endif
+		if (!rogueflag) {
+			symhandling = i;
+			return;
+		}
+	    }
+	    i++;
+	}
 }
 #endif /*ASCIIGRAPH*/
 

src/mapglyph.c

@@ -50,9 +50,9 @@ int explcolors[] = {
 
 #ifdef ROGUE_COLOR
 # if defined(USE_TILES) && defined(MSDOS)
-#define HAS_ROGUE_IBM_GRAPHICS (ROGUEHANDLING("IBM") && !iflags.grmode)
+#define HAS_ROGUE_IBM_GRAPHICS (ROGUEHANDLING(H_IBM) && !iflags.grmode)
 # else
-#define HAS_ROGUE_IBM_GRAPHICS (ROGUEHANDLING("IBM"))
+#define HAS_ROGUE_IBM_GRAPHICS (ROGUEHANDLING(H_IBM))
 # endif
 #endif
 

sys/wince/mhfont.c

@@ -155,7 +155,7 @@ HGDIOBJ mswin_get_font(int win_type, int attr, HDC hdc, BOOL replace)
 UINT mswin_charset()
 {
 	CHARSETINFO cis;
-	if( SYMHANDLING("IBM") )
+	if( SYMHANDLING(H_IBM) )
 		if( TranslateCharsetInfo((DWORD*)GetOEMCP(), &cis, TCI_SRCCODEPAGE) ) 
 			return cis.ciCharset;
 		else

win/tty/termcap.c

@@ -386,7 +386,7 @@ tty_decgraphics_termcap_fixup()
 	 * Do not select NA ASCII as the primary font since people may
 	 * reasonably be using the UK character set.
 	 */
-	if (SYMHANDLING("DEC")) xputs("\033)0");
+	if (SYMHANDLING(H_DEC)) xputs("\033)0");
 #ifdef PC9800
 	init_hilite();
 #endif
@@ -449,19 +449,19 @@ tty_start_screen()
 	xputs(TI);
 	xputs(VS);
 #ifdef PC9800
-    if (!SYMHANDLING("IBM"))
+    if (!SYMHANDLING(H_IBM))
 	    tty_ascgraphics_hilite_fixup();
     /* set up callback in case option is not set yet but toggled later */
     ascgraphics_mode_callback = tty_ascgraphics_hilite_fixup;
 # ifdef ASCIIGRAPH
-    if (SYMHANDLING("IBM")) init_hilite();
+    if (SYMHANDLING(H_IBM)) init_hilite();
     /* set up callback in case option is not set yet but toggled later */
     ibmgraphics_mode_callback = init_hilite;
 # endif
 #endif /* PC9800 */
 
 #ifdef TERMLIB
-	if (SYMHANDLING("DEC")) tty_decgraphics_termcap_fixup();
+	if (SYMHANDLING(H_DEC)) tty_decgraphics_termcap_fixup();
 	/* set up callback in case option is not set yet but toggled later */
 	decgraphics_mode_callback = tty_decgraphics_termcap_fixup;
 #endif

win/tty/wintty.c

@@ -2402,7 +2402,7 @@ int in_ch;
     register char ch = (char)in_ch;
 
 # if defined(ASCIIGRAPH) && !defined(NO_TERMS)
-    if (SYMHANDLING("IBM") || iflags.eight_bit_tty) {
+    if (SYMHANDLING(H_IBM) || iflags.eight_bit_tty) {
 	/* IBM-compatible displays don't need other stuff */
 	(void) putchar(ch);
     } else if (ch & 0x80) {

win/win32/mhfont.c

@@ -183,7 +183,7 @@ HGDIOBJ mswin_get_font(int win_type, int attr, HDC hdc, BOOL replace)
 UINT mswin_charset()
 {
 	CHARSETINFO cis;
-	if( SYMHANDLING("IBM") )
+	if( SYMHANDLING(H_IBM) )
 		if( TranslateCharsetInfo((DWORD*)GetOEMCP(), &cis, TCI_SRCCODEPAGE) ) 
 			return cis.ciCharset;
 		else