From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: cflip <cflip@cflip.net>
Date: Fri, 14 Oct 2022 21:28:37 -0600
Subject: [PATCH] Add support for SerenityOS

---
 Core.h           |  8 ++++++++
 Drawer2D.c       |  1 +
 Http_Worker.c    |  3 +++
 Logger.c         | 19 ++++++++++++++++++-
 Makefile         |  9 ++++++++-
 Platform_Posix.c |  6 +++++-
 6 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/Core.h b/Core.h
index bdefce2fb420bc1d30ab7d1448d2501d6ba247ee..29eb2973727cb4b98bb01fdf02c65240017f86f5 100644
--- a/Core.h
+++ b/Core.h
@@ -239,6 +239,14 @@ Thus it is **NOT SAFE** to allocate a string on the stack. */
 #define CC_BUILD_CURL
 #define CC_BUILD_OPENAL
 #define CC_BUILD_SDL
+#elif defined __serenity__
+#define CC_BUILD_SERENITY
+#define CC_BUILD_POSIX
+#define CC_BUILD_GL
+#define CC_BUILD_GL11
+#define CC_BUILD_CURL
+#define CC_BUILD_OPENAL
+#define CC_BUILD_SDL
 #elif defined __EMSCRIPTEN__
 #define CC_BUILD_WEB
 #define CC_BUILD_GL
diff --git a/Drawer2D.c b/Drawer2D.c
index f66b9024aa2b27ea87cf332873d9156fccdc63fe..5bfbdd030c72f2ee9471c7b5444f6499b91ca64b 100644
--- a/Drawer2D.c
+++ b/Drawer2D.c
@@ -811,6 +811,7 @@ static cc_string font_candidates[] = {
 	String_FromConst(""),                /* replaced with font_default */
 	String_FromConst("Arial"),           /* preferred font on all platforms */
 	String_FromConst("Liberation Sans"), /* ice looking fallbacks for linux */
+	String_FromConst("Liberation Serif"),
 	String_FromConst("Nimbus Sans"),
 	String_FromConst("Bitstream Charter"),
 	String_FromConst("Cantarell"),
diff --git a/Http_Worker.c b/Http_Worker.c
index 936361eb04a8a5e56820ca827a8e72020da17451..514494fc516960fc17824406a2c49d72cf31f7f4 100644
--- a/Http_Worker.c
+++ b/Http_Worker.c
@@ -254,6 +254,9 @@ static const cc_string curlAlt = String_FromConst("/usr/pkg/lib/libcurl.so");
 #elif defined CC_BUILD_BSD
 static const cc_string curlLib = String_FromConst("libcurl.so");
 static const cc_string curlAlt = String_FromConst("libcurl.so");
+#elif defined CC_BUILD_SERENITY
+static const cc_string curlLib = String_FromConst("/usr/local/lib/libcurl.so");
+static const cc_string curlAlt = String_FromConst("/usr/local/lib/libcurl.so");
 #else
 static const cc_string curlLib = String_FromConst("libcurl.so.4");
 static const cc_string curlAlt = String_FromConst("libcurl.so.3");
diff --git a/Logger.c b/Logger.c
index 14ff7d6ab8455294b83bb36fb29ea6994a883c25..4eb3d1d4ad63a24d9030a98c1fc02816369ef728 100644
--- a/Logger.c
+++ b/Logger.c
@@ -16,7 +16,7 @@
 #define NOIME
 #include <windows.h>
 #include <imagehlp.h>
-#elif defined CC_BUILD_OPENBSD || defined CC_BUILD_HAIKU
+#elif defined CC_BUILD_OPENBSD || defined CC_BUILD_HAIKU || defined CC_BUILD_SERENITY
 #include <signal.h>
 /* OpenBSD doesn't provide sys/ucontext.h */
 #elif defined CC_BUILD_LINUX || defined CC_BUILD_ANDROID
@@ -343,6 +343,10 @@ void Logger_Backtrace(cc_string* trace, void* ctx) {
 	}
 	String_AppendConst(trace, _NL);
 }
+#elif defined CC_BUILD_SERENITY
+void Logger_Backtrace(cc_string* trace, void* ctx) {
+	/* FIXME: Implement */
+}
 #elif defined CC_BUILD_POSIX
 #include <execinfo.h>
 void Logger_Backtrace(cc_string* trace, void* ctx) {
@@ -667,6 +671,19 @@ static void PrintRegisters(cc_string* str, void* ctx) {
 	#error "Unknown CPU architecture"
 #endif
 }
+#elif defined CC_BUILD_SERENITY
+static void PrintRegisters(cc_string* str, void* ctx) {
+	mcontext_t r = ((ucontext_t*)ctx)->uc_mcontext;
+#if defined __i386__
+	#define REG_GET(reg, ign) &r.e##reg
+	Dump_X86()
+#elif defined __x86_64__
+	#define REG_GET(reg, ign) &r.r##reg
+	Dump_X64()
+#else
+	#error "Unknown CPU architecture"
+#endif
+}
 #endif
 static void DumpRegisters(void* ctx) {
 	cc_string str; char strBuffer[768];
diff --git a/Makefile b/Makefile
index 6c7152071c94116b4cf3d175fa8bd0c0652b77ff..73d6e386dedd38b9ffd558aa13ce3f0390bd601e 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,6 @@ OBJECTS:=$(C_OBJECTS)
 ENAME=ClassiCube
 DEL=rm
 JOBS=1
-CC=cc
 CFLAGS=-g -pipe -fno-math-errno
 LDFLAGS=-g -rdynamic
 
@@ -92,6 +91,12 @@ LDFLAGS=-g
 LIBS=-lm -lexecinfo -lGL -lnetwork -lstdc++ -lbe -lgame -ltracker
 endif
 
+ifeq ($(PLAT),serenity)
+CFLAGS=-g -pipe -fno-math-errno
+LDFLAGS=-g
+LIBS=-lgl -lSDL2
+endif
+
 ifeq ($(OS),Windows_NT)
 DEL=del
 endif
@@ -120,6 +125,8 @@ dragonfly:
 	$(MAKE) $(ENAME) PLAT=dragonfly -j$(JOBS)
 haiku:
 	$(MAKE) $(ENAME) PLAT=haiku -j$(JOBS)
+serenity:
+	$(MAKE) $(ENAME) PLAT=serenity -j$(JOBS)
 	
 clean:
 	$(DEL) $(OBJECTS)
diff --git a/Platform_Posix.c b/Platform_Posix.c
index 2a410f00d96460decb16bd703caa5163d4e2ff63..31f9cc7e3e60a31e336e025bfefa0865984dc7b8 100644
--- a/Platform_Posix.c
+++ b/Platform_Posix.c
@@ -445,6 +445,10 @@ void Platform_LoadSysFonts(void) {
 	static const cc_string dirs[] = {
 		String_FromConst("/system/data/fonts")
 	};
+#elif defined CC_BUILD_SERENITY
+	static const cc_string dirs[] = {
+		String_FromConst("/res/fonts")
+	};
 #elif defined CC_BUILD_DARWIN
 	static const cc_string dirs[] = {
 		String_FromConst("/System/Library/Fonts"),
@@ -700,7 +704,7 @@ static cc_result Process_RawGetExePath(char* path, int* len) {
 	*len = String_CalcLen(path, NATIVE_STR_LEN);
 	return 0;
 }
-#elif defined CC_BUILD_LINUX
+#elif defined CC_BUILD_LINUX || defined CC_BUILD_SERENITY
 static cc_result Process_RawGetExePath(char* path, int* len) {
 	*len = readlink("/proc/self/exe", path, NATIVE_STR_LEN);
 	return *len == -1 ? errno : 0;