secp256k1-sys: fix type signature in secp256k1_ec_pubkey_sort

apoelstra · apoelstra · commit 2139aff0d705 · 2025-06-27T22:02:39.000Z
In rust-bitcoin#794 I accidentally changed a *mut to *const. This is incorrect and unsound.
diff --git a/secp256k1-sys/src/lib.rs b/secp256k1-sys/src/lib.rs
@@ -915,7 +915,7 @@ extern "C" {
     #[cfg_attr(not(rust_secp_no_symbol_renaming), link_name = "rustsecp256k1_v0_11_ec_pubkey_sort")]
     pub fn secp256k1_ec_pubkey_sort(
         ctx: *const Context,
-        pubkeys: *const *const PublicKey,
+        pubkeys: *mut *const PublicKey,
         n_pubkeys: size_t,
     ) -> c_int;
 }

Original file line number	Diff line number	Diff line change
`@@ -915,7 +915,7 @@ extern "C" {`
`915`	`915`	`#[cfg_attr(not(rust_secp_no_symbol_renaming), link_name = "rustsecp256k1_v0_11_ec_pubkey_sort")]`
`916`	`916`	`pub fn secp256k1_ec_pubkey_sort(`
`917`	`917`	`ctx: *const Context,`
`918`		`- pubkeys: const const PublicKey,`
	`918`	`+ pubkeys: mut const PublicKey,`
`919`	`919`	`n_pubkeys: size_t,`
`920`	`920`	`) -> c_int;`
`921`	`921`	`}`