From b03f17dd8d5510b852d69918f7fdcc07b0d649e1 Mon Sep 17 00:00:00 2001
From: avanspector <avanspector@gmail.com>
Date: Sun, 25 Feb 2024 02:59:45 +0100
Subject: [PATCH] add haiku to base:runtime and core:c/libc

---
 base/runtime/os_specific_haiku.odin | 21 ++++++++++++++++++++
 core/c/libc/stdio.odin              | 30 +++++++++++++++++++++++++++++
 core/c/libc/wctype.odin             |  6 +++++-
 3 files changed, 56 insertions(+), 1 deletion(-)
 create mode 100644 base/runtime/os_specific_haiku.odin

diff --git a/base/runtime/os_specific_haiku.odin b/base/runtime/os_specific_haiku.odin
new file mode 100644
index 000000000..0cd3938e5
--- /dev/null
+++ b/base/runtime/os_specific_haiku.odin
@@ -0,0 +1,21 @@
+//+build haiku
+//+private
+package runtime
+
+foreign import libc "system:c"
+
+foreign libc {
+	@(link_name="write")
+	_unix_write :: proc(fd: i32, buf: rawptr, size: int) -> int ---
+
+	_errnop :: proc() -> ^i32 ---
+}
+
+_stderr_write :: proc "contextless" (data: []byte) -> (int, _OS_Errno) {
+	ret := _unix_write(2, raw_data(data), len(data))
+	if ret < len(data) {
+		err := __error()
+		return int(ret), _OS_Errno(err^ if err != nil else 0)
+	}
+	return int(ret), 0
+}
diff --git a/core/c/libc/stdio.odin b/core/c/libc/stdio.odin
index 39969e4a8..b83ddecc8 100644
--- a/core/c/libc/stdio.odin
+++ b/core/c/libc/stdio.odin
@@ -163,6 +163,36 @@ when ODIN_OS == .Darwin {
 	}
 }
 
+when ODIN_OS == .Haiku {
+	fpos_t :: distinct i64
+	
+	_IOFBF        :: 0
+	_IOLBF        :: 1
+	_IONBF        :: 2
+
+	BUFSIZ        :: 8192
+
+	EOF           :: int(-1)
+
+	FOPEN_MAX     :: 128
+
+	FILENAME_MAX  :: 256
+
+	L_tmpnam      :: 512
+
+	SEEK_SET      :: 0
+	SEEK_CUR      :: 1
+	SEEK_END      :: 2
+
+	TMP_MAX       :: 32768
+
+	foreign libc {
+		stderr: ^FILE
+		stdin:  ^FILE
+		stdout: ^FILE
+	}
+}
+
 @(default_calling_convention="c")
 foreign libc {
 	// 7.21.4 Operations on files
diff --git a/core/c/libc/wctype.odin b/core/c/libc/wctype.odin
index 43aee9dc6..cbce220d4 100644
--- a/core/c/libc/wctype.odin
+++ b/core/c/libc/wctype.odin
@@ -29,7 +29,11 @@ when ODIN_OS == .Windows {
 } else when ODIN_OS == .FreeBSD {
 	wctrans_t :: distinct int
 	wctype_t  :: distinct ulong
-	
+
+} else when ODIN_OS == .Haiku {
+	wctrans_t :: distinct i32
+	wctype_t  :: distinct i32
+
 }
 
 @(default_calling_convention="c")