From d5b1c3092fa4fa23474dbf20278d5d8d322a3e19 Mon Sep 17 00:00:00 2001
From: sonninnos <tony@pihaus.org>
Date: Tue, 24 Aug 2021 16:28:14 +0300
Subject: [PATCH] Screen Resolution list sanitizing

---
 gfx/display_servers/dispserv_win32.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/gfx/display_servers/dispserv_win32.c b/gfx/display_servers/dispserv_win32.c
index 9a6a24c643..166553c5e5 100644
--- a/gfx/display_servers/dispserv_win32.c
+++ b/gfx/display_servers/dispserv_win32.c
@@ -306,6 +306,28 @@ static bool win32_display_server_set_resolution(void *data,
    return true;
 }
 
+/* Display resolution list qsort helper function */
+static int resolution_list_qsort_func(
+      const video_display_config_t *a, const video_display_config_t *b)
+{
+   if (!a || !b)
+      return 0;
+
+   char str_a[64];
+   char str_b[64];
+   snprintf(str_a, sizeof(str_a), "%04dx%04d (%d Hz)",
+         a->width,
+         a->height,
+         a->refreshrate);
+
+   snprintf(str_b, sizeof(str_b), "%04dx%04d (%d Hz)",
+         b->width,
+         b->height,
+         b->refreshrate);
+
+   return strcasecmp(str_a, str_b);
+}
+
 static void *win32_display_server_get_resolution_list(
       void *data, unsigned *len)
 {
@@ -380,6 +402,12 @@ static void *win32_display_server_get_resolution_list(
       j++;
    }
 
+   qsort(
+         conf, count,
+         sizeof(video_display_config_t),
+         (int (*)(const void *, const void *))
+               resolution_list_qsort_func);
+
    return conf;
 }