From 4a7246ed78e8845dd2ac5477fb4abd490a83f6eb Mon Sep 17 00:00:00 2001
From: Maurice Lam <yukl@google.com>
Date: Thu, 2 Feb 2023 19:21:46 +0000
Subject: [PATCH 2/3] Make openssl buildable

---
 openssl/src/bio.rs | 9 +++++++--
 openssl/src/dh.rs  | 2 +-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/openssl/src/bio.rs b/openssl/src/bio.rs
index 6a72552a..5007d677 100644
--- a/openssl/src/bio.rs
+++ b/openssl/src/bio.rs
@@ -7,6 +7,11 @@ use std::slice;
 use crate::cvt_p;
 use crate::error::ErrorStack;
 
+#[cfg(boringssl)]
+type SignedLenType = libc::ssize_t;
+#[cfg(not(boringssl))]
+type SignedLenType = libc::c_int;
+
 pub struct MemBioSlice<'a>(*mut ffi::BIO, PhantomData<&'a [u8]>);
 
 impl<'a> Drop for MemBioSlice<'a> {
@@ -25,7 +30,7 @@ impl<'a> MemBioSlice<'a> {
         let bio = unsafe {
             cvt_p(BIO_new_mem_buf(
                 buf.as_ptr() as *const _,
-                buf.len() as c_int,
+                buf.len() as SignedLenType,
             ))?
         };
 
@@ -78,7 +83,7 @@ cfg_if! {
         use ffi::BIO_new_mem_buf;
     } else {
         #[allow(bad_style)]
-        unsafe fn BIO_new_mem_buf(buf: *const ::libc::c_void, len: ::libc::c_int) -> *mut ffi::BIO {
+        unsafe fn BIO_new_mem_buf(buf: *const ::libc::c_void, len: SignedLenType) -> *mut ffi::BIO {
             ffi::BIO_new_mem_buf(buf as *mut _, len)
         }
     }
diff --git a/openssl/src/dh.rs b/openssl/src/dh.rs
index 12170b99..e781543e 100644
--- a/openssl/src/dh.rs
+++ b/openssl/src/dh.rs
@@ -239,7 +239,7 @@ where
 }
 
 cfg_if! {
-    if #[cfg(any(ossl110, libressl270))] {
+    if #[cfg(any(ossl110, libressl270, boringssl))] {
         use ffi::{DH_set0_pqg, DH_get0_pqg, DH_get0_key, DH_set0_key};
     } else {
         #[allow(bad_style)]
-- 
2.39.1.519.gcb327c4b5f-goog