0001-Write-png-in-binary-mode.patch

From 4e3b688841888cfe517fcd4f3a2d45e729316fa1 Mon Sep 17 00:00:00 2001
From: Sergej Forat <core13@gmx.net>
Date: Wed, 21 Nov 2018 14:57:50 +0100
Subject: [PATCH 1/2] Write png in binary mode.

Signed-off-by: Sergej Forat <core13@gmx.net>
---
 png_utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/png_utils.c b/png_utils.c
index f3093ad..a99ad16 100644
--- a/png_utils.c
+++ b/png_utils.c
@@ -34,7 +34,7 @@ int png_utils_write_png_image(const char *filename, unsigned char *pixels, int w
 	FILE *f;
 
 	rc = -1; /* assume failure until we eventually succeed */
-	f = fopen(filename, "w");
+	f = fopen(filename, "wb");
 	if (!f) {
 		fprintf(stderr, "fopen: %s:%s\n", filename, strerror(errno));
 		return -1;
-- 
2.19.1

0002-Implement-Windows-compatible-get_num_cpus-function.patch

From 1f3fcc194c1b587f0bc7da8690ac0c9b45e5f750 Mon Sep 17 00:00:00 2001
From: Sergej Forat <core13@gmx.net>
Date: Wed, 21 Nov 2018 15:12:28 +0100
Subject: [PATCH 2/2] Implement Windows-compatible get_num_cpus function.

Signed-off-by: Sergej Forat <core13@gmx.net>
---
 gaseous-giganticus.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/gaseous-giganticus.c b/gaseous-giganticus.c
index 12e44e4..f470e34 100644
--- a/gaseous-giganticus.c
+++ b/gaseous-giganticus.c
@@ -1410,6 +1410,21 @@ static void create_vortices()
 		create_vortex(i);
 }
 
+#ifdef _WIN32
+#include <windows.h>
+static int get_num_cpus()
+{
+	SYSTEM_INFO sysinfo;
+	GetSystemInfo(&sysinfo);
+	return sysinfo.dwNumberOfProcessors;
+}
+#else
+static int get_num_cpus()
+{
+	return sysconf(_SC_NPROCESSORS_ONLN);
+}
+#endif
+
 int main(int argc, char *argv[])
 {
 	int i, t;
@@ -1436,7 +1451,7 @@ int main(int argc, char *argv[])
 
 	check_vf_dump_file(vf_dump_file);
 
-	int num_online_cpus = sysconf(_SC_NPROCESSORS_ONLN);
+	int num_online_cpus = get_num_cpus();
 	if (num_online_cpus > 0)
 		nthreads = num_online_cpus;
 	if (user_threads > 0 && user_threads < num_online_cpus)
-- 
2.19.1