From 8d1467d91c6aa102682a0e84e286c66386074ae3 Mon Sep 17 00:00:00 2001
From: Kornel <kornel@cloudflare.com>
Date: Mon, 6 Jan 2025 18:07:08 +0000
Subject: [PATCH] Fix cfgs

---
 src/ffi/c.rs | 56 +++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 38 insertions(+), 18 deletions(-)

diff --git a/src/ffi/c.rs b/src/ffi/c.rs
index 226fe0e3..eeca73ef 100644
--- a/src/ffi/c.rs
+++ b/src/ffi/c.rs
@@ -50,27 +50,38 @@ impl Default for StreamWrapper {
                 reserved: 0,
                 opaque: ptr::null_mut(),
                 state: ptr::null_mut(),
-                #[cfg(all(
-                    feature = "any_zlib",
-                    not(any(feature = "cloudflare-zlib-sys", feature = "libz-rs-sys"))
+
+                #[cfg(any(
+                    // zlib-ng
+                    feature = "zlib-ng",
+                    // libz-sys
+                    all(not(feature = "cloudflare_zlib"), not(feature = "zlib-ng"), not(feature = "zlib-rs"))
                 ))]
                 zalloc: allocator::zalloc,
-                #[cfg(all(
-                    feature = "any_zlib",
-                    not(any(feature = "cloudflare-zlib-sys", feature = "libz-rs-sys"))
+                #[cfg(any(
+                    // zlib-ng
+                    feature = "zlib-ng",
+                    // libz-sys
+                    all(not(feature = "cloudflare_zlib"), not(feature = "zlib-ng"), not(feature = "zlib-rs"))
                 ))]
                 zfree: allocator::zfree,
 
-                #[cfg(all(feature = "any_zlib", feature = "cloudflare-zlib-sys"))]
+                #[cfg(
+                    // cloudflare-zlib
+                    all(feature = "cloudflare_zlib", not(feature = "zlib-rs"), not(feature = "zlib-ng")),
+                )]
                 zalloc: Some(allocator::zalloc),
-                #[cfg(all(feature = "any_zlib", feature = "cloudflare-zlib-sys"))]
+                #[cfg(
+                    // cloudflare-zlib
+                    all(feature = "cloudflare_zlib", not(feature = "zlib-rs"), not(feature = "zlib-ng")),
+                )]
                 zfree: Some(allocator::zfree),
 
                 // for zlib-rs, it is most efficient to have it provide the allocator.
                 // The libz-rs-sys dependency is configured to use the rust system allocator
-                #[cfg(all(feature = "any_zlib", feature = "libz-rs-sys"))]
+                #[cfg(all(feature = "zlib-rs", not(feature = "zlib-ng")))]
                 zalloc: None,
-                #[cfg(all(feature = "any_zlib", feature = "libz-rs-sys"))]
+                #[cfg(all(feature = "zlib-rs", not(feature = "zlib-ng")))]
                 zfree: None,
             })),
         }
@@ -87,7 +98,14 @@ impl Drop for StreamWrapper {
     }
 }
 
-#[cfg(all(feature = "any_zlib", not(feature = "libz-rs-sys")))]
+#[cfg(any(
+    // zlib-ng
+    feature = "zlib-ng",
+    // cloudflare-zlib
+    all(feature = "cloudflare_zlib", not(feature = "zlib-rs"), not(feature = "zlib-ng")),
+    // libz-sys
+    all(not(feature = "cloudflare_zlib"), not(feature = "zlib-ng"), not(feature = "zlib-rs")),
+))]
 mod allocator {
     use super::*;
 
@@ -405,17 +423,19 @@ mod c_backend {
     #[cfg(feature = "zlib-ng")]
     use libz_ng_sys as libz;
 
-    #[cfg(all(not(feature = "zlib-ng"), feature = "zlib-rs"))]
+    #[cfg(all(feature = "zlib-rs", not(feature = "zlib-ng")))]
     use libz_rs_sys as libz;
 
-    #[cfg(all(not(feature = "zlib-ng"), feature = "cloudflare_zlib"))]
+    #[cfg(
+        // cloudflare-zlib
+        all(feature = "cloudflare_zlib", not(feature = "zlib-rs"), not(feature = "zlib-ng")),
+    )]
     use cloudflare_zlib_sys as libz;
 
-    #[cfg(all(
-        not(feature = "cloudflare_zlib"),
-        not(feature = "zlib-ng"),
-        not(feature = "zlib-rs")
-    ))]
+    #[cfg(
+        // libz-sys
+        all(not(feature = "cloudflare_zlib"), not(feature = "zlib-ng"), not(feature = "zlib-rs")),
+    )]
     use libz_sys as libz;
 
     pub use libz::deflate as mz_deflate;