From e21739dd8caf7d6a9aefe68c37eddb6406bcb810 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Tue, 25 Apr 2023 20:16:39 +0100
Subject: [PATCH] std.fs: selfExePath haiku using constants instead

---
 lib/std/c/haiku.zig | 11 +++++++++--
 lib/std/fs.zig      |  3 +--
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/lib/std/c/haiku.zig b/lib/std/c/haiku.zig
index 9b693a59c2..b0fcb710af 100644
--- a/lib/std/c/haiku.zig
+++ b/lib/std/c/haiku.zig
@@ -11,9 +11,9 @@ extern "c" fn _errnop() *c_int;
 
 pub const _errno = _errnop;
 
-pub extern "c" fn find_directory(which: c_int, volume: i32, createIt: bool, path_ptr: [*]u8, length: i32) status_t;
+pub extern "c" fn find_directory(which: directory_which, volume: i32, createIt: bool, path_ptr: [*]u8, length: i32) status_t;
 
-pub extern "c" fn find_path(codePointer: *const u8, baseDirectory: c_int, subPath: [*:0]const u8, pathBuffer: [*:0]u8, bufferSize: usize) status_t;
+pub extern "c" fn find_path(codePointer: *const u8, baseDirectory: path_base_directory, subPath: [*:0]const u8, pathBuffer: [*:0]u8, bufferSize: usize) status_t;
 
 pub extern "c" fn find_thread(thread_name: ?*anyopaque) i32;
 
@@ -1024,6 +1024,13 @@ pub const directory_which = enum(c_int) {
     _,
 };
 
+// TODO fill out if needed
+pub const path_base_directory = enum(c_int) {
+    B_FIND_PATH_IMAGE_PATH = 1000,
+};
+
+pub const B_APP_IMAGE_SYMBOL = null;
+
 pub const cc_t = u8;
 pub const speed_t = u8;
 pub const tcflag_t = u32;
diff --git a/lib/std/fs.zig b/lib/std/fs.zig
index 9f64387bd8..7327a3a913 100644
--- a/lib/std/fs.zig
+++ b/lib/std/fs.zig
@@ -2999,8 +2999,7 @@ pub fn selfExePath(out_buffer: []u8) SelfExePathError![]u8 {
         .haiku => {
             // The only possible issue when looking for the self image path is
             // when the buffer is too short.
-            // TODO replace with proper constants
-            if (os.find_path(null, 1000, null, out_buffer.ptr, out_buffer.len) != 0)
+            if (os.find_path(os.B_APP_IMAGE_SYMBOL, os.path_base_directory.B_FIND_IMAGE_PATH, null, out_buffer.ptr, out_buffer.len) != 0)
                 return error.Overflow;
             return mem.sliceTo(out_buffer, 0);
         },