From 08fb993f8e729f14951908dddb2cdae0ddb0a1e6 Mon Sep 17 00:00:00 2001
From: redrossa <adriano.raksi@gmail.com>
Date: Wed, 8 Sep 2021 18:22:52 -0500
Subject: [PATCH 1/3] Fix compilation error on UWP

---
 examples/example.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/examples/example.c b/examples/example.c
index fe82a8a7..4136d0c3 100644
--- a/examples/example.c
+++ b/examples/example.c
@@ -5,7 +5,7 @@
 
 int main(int argc, char **argv)
 {
-    int r = 0;
+    int r = 0, err;
     FILE *png;
     spng_ctx *ctx = NULL;
     unsigned char *out = NULL;
@@ -16,8 +16,14 @@ int main(int argc, char **argv)
         goto error;
     }
 
+#if defined(_MSC_VER) || defined(WIN32)  || defined(_WIN32) || defined(__WIN32__) || defined(WIN64) || defined(_WIN64) || defined(__WIN64__)
+    err = fopen_s(&png, argv[1], "rb");
+#else
     png = fopen(argv[1], "rb");
     if(png == NULL)
+        err = 1;
+#endif
+    if (err)
     {
         printf("error opening input file %s\n", argv[1]);
         goto error;

From 8c4fa954f4897f1d2191304ce6df40b38c05140d Mon Sep 17 00:00:00 2001
From: redrossa <adriano.raksi@gmail.com>
Date: Wed, 8 Sep 2021 18:26:47 -0500
Subject: [PATCH 2/3] Fix uninitialized variable err

---
 examples/example.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/examples/example.c b/examples/example.c
index 4136d0c3..93a85ada 100644
--- a/examples/example.c
+++ b/examples/example.c
@@ -20,8 +20,7 @@ int main(int argc, char **argv)
     err = fopen_s(&png, argv[1], "rb");
 #else
     png = fopen(argv[1], "rb");
-    if(png == NULL)
-        err = 1;
+    err = png == NULL;
 #endif
     if (err)
     {

From b28b6e3cc8cf87466a5d54ed4367a3609fd706fb Mon Sep 17 00:00:00 2001
From: Randy <randy408@protonmail.com>
Date: Thu, 9 Sep 2021 21:35:15 +0200
Subject: [PATCH 3/3] cleanup, limit fix to msvc

---
 examples/example.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/examples/example.c b/examples/example.c
index 93a85ada..d747e10d 100644
--- a/examples/example.c
+++ b/examples/example.c
@@ -5,7 +5,7 @@
 
 int main(int argc, char **argv)
 {
-    int r = 0, err;
+    int r = 0;
     FILE *png;
     spng_ctx *ctx = NULL;
     unsigned char *out = NULL;
@@ -16,13 +16,13 @@ int main(int argc, char **argv)
         goto error;
     }
 
-#if defined(_MSC_VER) || defined(WIN32)  || defined(_WIN32) || defined(__WIN32__) || defined(WIN64) || defined(_WIN64) || defined(__WIN64__)
-    err = fopen_s(&png, argv[1], "rb");
+#if defined(_MSC_VER)
+    r = fopen_s(&png, argv[1], "rb");
 #else
     png = fopen(argv[1], "rb");
-    err = png == NULL;
+    if(!png) r = 1;
 #endif
-    if (err)
+    if(r)
     {
         printf("error opening input file %s\n", argv[1]);
         goto error;