From 6602ae50c350fd2614769e18e8818b127a16db00 Mon Sep 17 00:00:00 2001
From: UnknownShadow200 <unknownshadow200@gmail.com>
Date: Sat, 9 Mar 2019 13:33:08 +1100
Subject: [PATCH] Initial work on NetBSD port

---
 readme.md      |  4 ++++
 src/Core.h     |  5 +++++
 src/Platform.c | 55 ++++++++++++++++++++++++++++++++++----------------
 3 files changed, 47 insertions(+), 17 deletions(-)

diff --git a/readme.md b/readme.md
index d0af5daaf..66d348d06 100644
--- a/readme.md
+++ b/readme.md
@@ -73,6 +73,10 @@ Install libexecinfo package if needed.
 
 ```gcc *.c -o ClassiCube -isystem /usr/X11R6/include -isystem /usr/local/include -L /usr/X11R6/lib -L /usr/local/lib -lX11 -lGL -lcurl -lopenal -lexecinfo```
 
+#### NetBSD
+
+```gcc *.c -o ClassiCube -I /usr/X11R7/include -I /usr/pkg/include -L /usr/X11R7/lib -L /usr/pkg/lib -lX11 -lGL -lcurl -lopenal -lpthread -lexecinfo```
+
 ### Documentation
 
 Functions and variables in .h files are mostly documented.
diff --git a/src/Core.h b/src/Core.h
index 3779d83eb..0d9e38be0 100644
--- a/src/Core.h
+++ b/src/Core.h
@@ -108,6 +108,11 @@ typedef struct TextureRec_ { float U1, V1, U2, V2; } TextureRec;
 #define CC_BUILD_X11
 #define CC_BUILD_POSIX
 #endif
+#ifdef __NetBSD__
+#define CC_BUILD_NETBSD
+#define CC_BUILD_X11
+#define CC_BUILD_POSIX
+#endif
 #ifdef __EMSCRIPTEN__
 #define CC_BUILD_WEB
 #define CC_BUILD_SDL
diff --git a/src/Platform.c b/src/Platform.c
index ffdc9c587..89c7a8e48 100644
--- a/src/Platform.c
+++ b/src/Platform.c
@@ -93,6 +93,8 @@ const ReturnCode ReturnCode_SocketWouldBlock = EWOULDBLOCK;
 #elif defined CC_BUILD_OPENBSD
 #define CC_BUILD_UNIX
 #include <sys/sysctl.h>
+#elif defined CC_BUILD_NETBSD
+#define CC_BUILD_UNIX
 #elif defined CC_BUILD_SOLARIS
 #define CC_BUILD_UNIX
 #include <sys/filio.h>
@@ -320,7 +322,18 @@ void DateTime_CurrentLocal(struct DateTime* time_) {
 
 #define NS_PER_SEC 1000000000ULL
 #endif
-#if defined CC_BUILD_LINUX || defined CC_BUILD_FREEBSD || defined CC_BUILD_OPENBSD
+/* clock_gettime is optional, see http://pubs.opengroup.org/onlinepubs/009696899/functions/clock_getres.html */
+/* "... These functions are part of the Timers option and need not be available on all implementations..." */
+#if defined CC_BUILD_WEB
+uint64_t Stopwatch_Measure(void) {
+	/* time is a milliseconds double */
+	return (uint64_t)(emscripten_get_now() * 1000);
+}
+#elif defined CC_BUILD_OSX
+uint64_t Stopwatch_Measure(void) { return mach_absolute_time(); }
+#elif defined CC_BUILD_SOLARIS
+uint64_t Stopwatch_Measure(void) { return gethrtime(); }
+#elif defined CC_BUILD_UNIX
 uint64_t Stopwatch_Measure(void) {
 	struct timespec t;
 	/* TODO: CLOCK_MONOTONIC_RAW ?? */
@@ -328,22 +341,6 @@ uint64_t Stopwatch_Measure(void) {
 	return (uint64_t)t.tv_sec * NS_PER_SEC + t.tv_nsec;
 }
 #endif
-#ifdef CC_BUILD_SOLARIS
-uint64_t Stopwatch_Measure(void) {
-	return gethrtime();
-}
-#endif
-#ifdef CC_BUILD_OSX
-uint64_t Stopwatch_Measure(void) {
-	return mach_absolute_time();
-}
-#endif
-#ifdef CC_BUILD_WEB
-uint64_t Stopwatch_Measure(void) {
-	/* time is a milliseconds double */
-	return (uint64_t)(emscripten_get_now() * 1000);
-}
-#endif
 
 
 /*########################################################################################################################*
@@ -1247,6 +1244,12 @@ static void Font_Init(void) {
 		String_FromConst("C:/Windows/Fonts"),
 		String_FromConst("C:/WINNT/Fonts")
 	};
+#elif defined CC_BUILD_NETBSD
+	const static String dirs[3] = {
+		String_FromConst("/usr/X11R7/lib/X11/fonts"),
+		String_FromConst("/usr/pkg/lib/X11/fonts"),
+		String_FromConst("/usr/pkg/share/fonts")
+	};
 #elif defined CC_BUILD_UNIX
 	const static String dirs[2] = {
 		String_FromConst("/usr/share/fonts"),
@@ -1945,6 +1948,24 @@ ReturnCode Process_GetExePath(String* path) {
 	return 0;
 }
 #endif
+#ifdef CC_BUILD_NETBSD
+ReturnCode Process_GetExePath(String* path) {
+	char str[600];
+	int mib[4];
+	size_t size = 600;
+
+	mib[0] = CTL_KERN;
+	mib[1] = KERN_PROC_ARGS;
+	mib[2] = -1; /* self process id */
+	mib[2] = KERN_PROC_PATHNAME;
+	
+	if (sysctl(mib, 4, str, &size, NULL, 0) == -1) return errno;
+
+	size = String_CalcLen(str, 600);
+	Convert_DecodeUtf8(path, str, size);
+	return 0;
+}
+#endif
 #ifdef CC_BUILD_SOLARIS
 ReturnCode Process_GetExePath(String* path) {
 	char str[600];