checking for empty slot name and game name

src/sdl-instead/game.c

@@ -92,8 +92,11 @@ static char *game_name(const char *path, const char *d_name)
 		goto err;
 	l = lookup_tag(p, "Name", "--");
 	free(p);
-	if (l)
-		return l;
+	if (l) {
+		if (!is_empty(l))
+			return l;
+		free(l);
+	}
 err:
 	return strdup(d_name);
 }

src/sdl-instead/menu.c

@@ -51,9 +51,12 @@ static char *slot_name(const char *path)
 	FILE *fd;
 	l = lookup_tag(path, "Name", "--");
 	if (l) {
-		char *s = fromgame(l);
+		if (!is_empty(l)) {
+			char *s = fromgame(l);
+			free(l);
+			return s;
+		}
 		free(l);
-		return s;
 	}
 	fd = fopen(path, "r");
 	if (!fd)

src/sdl-instead/util.c

@@ -27,6 +27,15 @@ int is_space(int c)
 	return (c == ' ' || c == '\t');
 }
 
+int is_empty(const char *str)
+{
+	if (!str || !*str)
+		return 1;
+	while (*str && !is_space(*str++))
+		return 0;
+	return 1;
+}
+
 char *strip(char *s)
 {
 	char *e;

src/sdl-instead/util.h

@@ -10,6 +10,8 @@ struct parser {
 };
 
 extern int is_space(int c);
+extern int is_empty(const char *str);
+
 extern int parse_ini(const char *path, struct parser *cmd_parser);
 extern char *getpath(const char *d, const char *n);
 extern char *strip(char *s);