From ac85a2f3d621758c8302a0c6956d5ca30b833e73 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <m@mitchellh.com>
Date: Wed, 25 Mar 2026 08:40:27 -0700
Subject: [PATCH] terminal: always use C ABI for now

---
 src/lib_vt.zig        |  3 +++
 src/terminal/lib.zig  | 14 ++++++--------
 src/terminal/main.zig |  3 ++-
 3 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/src/lib_vt.zig b/src/lib_vt.zig
index a7d7171bc..0a749be87 100644
--- a/src/lib_vt.zig
+++ b/src/lib_vt.zig
@@ -264,4 +264,7 @@ test {
     _ = terminal;
     _ = @import("lib/main.zig");
     @import("std").testing.refAllDecls(input);
+    if (comptime terminal.options.c_abi) {
+        _ = terminal.c_api;
+    }
 }
diff --git a/src/terminal/lib.zig b/src/terminal/lib.zig
index 8e8acf89d..3cd657b4e 100644
--- a/src/terminal/lib.zig
+++ b/src/terminal/lib.zig
@@ -5,14 +5,12 @@ const lib = @import("../lib/main.zig");
 /// The target for the terminal lib in particular.
 pub const target: lib.Target = if (build_options.c_abi) .c else .zig;
 
-/// The calling convention to use for C APIs. If we're not building for
-/// C ABI then we use auto which allows our C APIs to be cleanly called
-/// by Zig. This is required because we modify our struct layouts based
-/// on C ABI too.
-pub const calling_conv: std.builtin.CallingConvention = if (build_options.c_abi)
-    .c
-else
-    .auto;
+/// The calling convention to use for C APIs.
+///
+/// This is always .c for now. I want to make this "Zig" when we're not
+/// building the C ABI but there are bigger issues we need to resolve to
+/// make that possible (change it and see for yourself).
+pub const calling_conv: std.builtin.CallingConvention = .c;
 
 /// Forwarded decls from lib that are used.
 pub const alloc = lib.allocator;
diff --git a/src/terminal/main.zig b/src/terminal/main.zig
index 3253a95ed..9f5b65e34 100644
--- a/src/terminal/main.zig
+++ b/src/terminal/main.zig
@@ -73,7 +73,8 @@ pub const Attribute = sgr.Attribute;
 pub const Options = @import("build_options.zig").Options;
 pub const options = @import("terminal_options");
 
-pub const c_api = @import("c/main.zig");
+/// This is set to true when we're building the C library.
+pub const c_api = if (options.c_abi) @import("c/main.zig") else void;
 
 test {
     @import("std").testing.refAllDecls(@This());