From: Matt Corallo <git@bluematt.me>
Date: Sat, 1 May 2021 00:01:33 +0000 (+0000)
Subject: Handle LDKStr in other structs and fix string conversion overread
X-Git-Tag: v0.0.98~1^2~17
X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-java;a=commitdiff_plain;h=d2a89f05dbc2f27fe9aece9d55e7ea627080186f

Handle LDKStr in other structs and fix string conversion overread
---

diff --git a/genbindings.py b/genbindings.py
index 4b5ef5dc..3d5bac97 100755
--- a/genbindings.py
+++ b/genbindings.py
@@ -260,6 +260,7 @@ def java_c_types(fn_arg, ret_arr_len):
         fn_ty_arg = "Ljava/lang/String;"
         fn_arg = fn_arg[6:].strip()
     elif fn_arg.startswith("LDKStr"):
+        rust_obj = "LDKStr"
         java_ty = "String"
         c_ty = "jstring"
         fn_ty_arg = "Ljava/lang/String;"
diff --git a/java_strings.py b/java_strings.py
index 0c86200e..43265f44 100644
--- a/java_strings.py
+++ b/java_strings.py
@@ -309,12 +309,12 @@ typedef jbyteArray int8_tArray;
 
 static inline jstring str_ref_to_java(JNIEnv *env, const char* chars, size_t len) {
 	// Sadly we need to create a temporary because Java can't accept a char* without a 0-terminator
-	char* err_buf = MALLOC(len + 1, "str conv buf");
-	memcpy(err_buf, chars, len);
-	err_buf[len] = 0;
-	jstring err_conv = (*env)->NewStringUTF(env, chars);
-	FREE(err_buf);
-	return err_conv;
+	char* conv_buf = MALLOC(len + 1, "str conv buf");
+	memcpy(conv_buf, chars, len);
+	conv_buf[len] = 0;
+	jstring ret = (*env)->NewStringUTF(env, conv_buf);
+	FREE(conv_buf);
+	return ret;
 }
 static inline LDKStr java_to_owned_str(JNIEnv *env, jstring str) {
 	uint64_t str_len = (*env)->GetStringUTFLength(env, str);