From 5be5b35e82358f5682af1b5b3d31d5c01f1fdd23 Mon Sep 17 00:00:00 2001
From: Sorgelig <pour.garbage@gmail.com>
Date: Sat, 25 Feb 2023 20:34:37 +0800
Subject: [PATCH] Support for named INI files.

---
 cfg.cpp  | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++------
 cfg.h    |  1 +
 menu.cpp |  8 +++----
 3 files changed, 65 insertions(+), 10 deletions(-)

diff --git a/cfg.cpp b/cfg.cpp
index aa9a0c2..9f0e37d 100644
--- a/cfg.cpp
+++ b/cfg.cpp
@@ -426,20 +426,74 @@ static int cfg_error_count = 0;
 
 const char* cfg_get_name(uint8_t alt)
 {
+	static int done = 0;
+	static char names[3][64] = {};
 	static char name[64];
-	strcpy(name, "MiSTer.ini");
 
-	if (alt == 1)
+	if (!done)
 	{
-		strcpy(name, "MiSTer_alt_1.ini");
-		if (FileExists(name)) return name;
-		return "MiSTer_alt.ini";
+		done = 1;
+		DIR *d = opendir(getRootDir());
+		if (!d)
+		{
+			printf("Couldn't open dir: %s\n", getRootDir());
+		}
+		else
+		{
+			struct dirent *de;
+			int i = 0;
+			while ((de = readdir(d)) && i < 3)
+			{
+				int len = strlen(de->d_name);
+				if (!strncasecmp(de->d_name, "MiSTer_", 7) && !strcasecmp(de->d_name + len - 4, ".ini"))
+				{
+					snprintf(names[i], sizeof(names[0]), "%s", de->d_name);
+					i++;
+				}
+			}
+			closedir(d);
+		}
+
+		for (int i = 1; i < 3; i++)
+		{
+			for (int j = 1; j < 3; j++)
+			{
+				if ((!names[j - 1][0] && names[j][0]) || (names[j - 1][0] && names[j][0] && strcasecmp(names[j - 1], names[j]) > 0))
+				{
+					strcpy(name, names[j - 1]);
+					strcpy(names[j - 1], names[j]);
+					strcpy(names[j], name);
+				}
+			}
+		}
 	}
 
-	if (alt && alt < 4) sprintf(name, "MiSTer_alt_%d.ini", alt);
+	strcpy(name, "MiSTer.ini");
+	if (alt && alt < 4) strcpy(name, names[alt-1]);
 	return name;
 }
 
+const char* cfg_get_label(uint8_t alt)
+{
+	if (!alt) return "Main";
+
+	const char *name = cfg_get_name(alt);
+	if (!name[0]) return " -- ";
+
+	static char label[6];
+	snprintf(label, sizeof(label), "%s", name + 7);
+	char *p = strrchr(label, '.');
+	if (p) *p = 0;
+	if (!strcasecmp(label, "alt"))   return "Alt1";
+	if (!strcasecmp(label, "alt_1")) return "Alt1";
+	if (!strcasecmp(label, "alt_2")) return "Alt2";
+	if (!strcasecmp(label, "alt_3")) return "Alt3";
+
+	for (int i = 0; i < 4; i++) if (!label[i]) label[i] = ' ';
+	label[4] = 0;
+	return label;
+}
+
 void cfg_parse()
 {
 	memset(&cfg, 0, sizeof(cfg));
diff --git a/cfg.h b/cfg.h
index 33f7030..53a163e 100644
--- a/cfg.h
+++ b/cfg.h
@@ -99,6 +99,7 @@ extern cfg_t cfg;
 void cfg_parse();
 void cfg_print();
 const char* cfg_get_name(uint8_t alt);
+const char* cfg_get_label(uint8_t alt);
 bool cfg_has_video_sections();
 
 void cfg_error(const char *fmt, ...);
diff --git a/menu.cpp b/menu.cpp
index e8b1b90..ae6557a 100644
--- a/menu.cpp
+++ b/menu.cpp
@@ -1701,7 +1701,7 @@ void HandleUI(void)
 								static char str[1024];
 								sprintf(str, "%s.f%c", user_io_get_core_name(), p[idx]);
 								if (FileLoadConfig(str, str, sizeof(str)) && str[0])
-								{									
+								{
 									strcat(s, " ");
 									strcat(s, GetNameFromPath(str));
 								}
@@ -2077,7 +2077,7 @@ void HandleUI(void)
 						strcpy(fs_pFileExt, ext);
 
 						memcpy(Selected_tmp, Selected_S[(int)ioctl_index], sizeof(Selected_tmp));
-						if (is_x86() || is_pcxt()) strcpy(Selected_tmp, x86_get_image_path(ioctl_index));						
+						if (is_x86() || is_pcxt()) strcpy(Selected_tmp, x86_get_image_path(ioctl_index));
 						if (is_psx() && (ioctl_index == 2 || ioctl_index == 3)) fs_Options |= SCANO_SAVES;
 
 						if (is_pce() || is_megacd() || is_x86() || (is_psx() && !(fs_Options & SCANO_SAVES)))
@@ -2196,7 +2196,7 @@ void HandleUI(void)
 
 									if (is_pce() && !bit) pcecd_reset();
 									if (is_saturn() && !bit) saturn_reset();
-									
+
 									user_io_status_set(opt, 1, ex);
 									user_io_status_set(opt, 0, ex);
 
@@ -3455,7 +3455,7 @@ void HandleUI(void)
 			if (m) strcat(s, "\xc ");
 			m = (i == (flag >> 4) && en);
 			if (!en) strcat(s, "\xb");
-			strcat(s, (!i) ? "Main" : (i == 1) ? "Alt1" : (i == 2) ? "Alt2" : "Alt3");
+			strcat(s, cfg_get_label(i));
 			if (!en) strcat(s, "\xb");
 		}
 		strcat(s, " ");