From a5e40739ac096711e6640babdf3038c8203f9978 Mon Sep 17 00:00:00 2001
From: Fabian Giesen <rygorous@gmail.com>
Date: Sun, 4 Jul 2021 01:33:53 -0700
Subject: [PATCH] stb_image_write: Fix define tested for sprintf_s

Fixes issue 744.
---
 stb_image_write.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stb_image_write.h b/stb_image_write.h
index 0dba14c..271d4ac 100644
--- a/stb_image_write.h
+++ b/stb_image_write.h
@@ -758,7 +758,7 @@ static int stbi_write_hdr_core(stbi__write_context *s, int x, int y, int comp, f
       char header[] = "#?RADIANCE\n# Written by stb_image_write.h\nFORMAT=32-bit_rle_rgbe\n";
       s->func(s->context, header, sizeof(header)-1);
 
-#ifdef __STDC_WANT_SECURE_LIB__
+#ifdef __STDC_LIB_EXT1__
       len = sprintf_s(buffer, sizeof(buffer), "EXPOSURE=          1.0000000000000\n\n-Y %d +X %d\n", y, x);
 #else
       len = sprintf(buffer, "EXPOSURE=          1.0000000000000\n\n-Y %d +X %d\n", y, x);