Make the pmode array const

Author: ccawley2011

src/common.h

@@ -78,7 +78,7 @@ struct control {
 	int mixer_type;		/* Mixer type (from player) */
 };
 
-extern struct player_mode pmode[];
+extern const struct player_mode pmode[];
 
 void delay_ms(unsigned int);
 #ifdef XMP_AMIGA

src/info.c

@@ -52,7 +52,7 @@ void info_mod(const struct xmp_module_info *mi, int mode)
 	report("Module type  : %s", mi->mod->type);
 
 	if (mode != XMP_MODE_AUTO) {
-		struct player_mode *pm;
+		const struct player_mode *pm;
 		for (pm = pmode; pm->name != NULL; pm++) {
 			if (pm->mode == mode) {
 				report(" [play as:%s]", pm->desc);

src/options.c

@@ -31,7 +31,7 @@ enum {
 	OPT_NUMVOICES,
 };
 
-struct player_mode pmode[] = {
+const struct player_mode pmode[] = {
 	{ "auto",         "Autodetect",                XMP_MODE_AUTO },
 	{ "mod",          "Generic MOD player",        XMP_MODE_MOD },
 	{ "noisetracker", "Noisetracker",              XMP_MODE_NOISETRACKER },
@@ -49,7 +49,7 @@ struct player_mode pmode[] = {
 static void usage(char *s, struct options *options)
 {
 	const struct sound_driver *sd;
-	struct player_mode *pm;
+	const struct player_mode *pm;
 	const char *const *hlp;
 	int i;
 
@@ -175,7 +175,7 @@ static char *token;
 
 void get_options(int argc, char **argv, struct options *options)
 {
-	struct player_mode *pm;
+	const struct player_mode *pm;
 	int optidx = 0;
 	int o;
 	char const* driver_guess = NULL;

src/read_config.c

@@ -203,7 +203,7 @@ static void parse_modconf(struct options *o, const char *confname, const unsigne
 {
 	FILE *rc;
 	char *hash, *var, *val, line[256];
-	struct player_mode *pm;
+	const struct player_mode *pm;
 	int active = 0;
 	int mono = 0;