From eac7db447143ce66a737dc998afca585a5652b45 Mon Sep 17 00:00:00 2001
From: mikehoyle <mikehoyle@google.com>
Date: Thu, 20 Oct 2022 13:58:53 -0700
Subject: [PATCH] c-bindings: Add jsonnet_realloc export

This adds the realloc function as an export in c-bindings.go so
that it is included in the generated header and can be used by
dependent libraries.
---
 c-bindings/c-bindings.go  | 6 ++++++
 c-bindings/internal.h     | 2 ++
 c-bindings/libjsonnet.cpp | 2 +-
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/c-bindings/c-bindings.go b/c-bindings/c-bindings.go
index 6b320b0..a6076e2 100644
--- a/c-bindings/c-bindings.go
+++ b/c-bindings/c-bindings.go
@@ -663,5 +663,11 @@ func jsonnet_set_trace_out_callback(vmRef *C.struct_JsonnetVm, cb *C.JsonnetIoWr
 	vm.SetTraceOut(&traceOut{cb})
 }
 
+//export jsonnet_realloc
+func jsonnet_realloc(vmRef *C.struct_JsonnetVm, buf *C.char, sz C.size_t) *C.char {
+	return C.jsonnet_internal_realloc(vmRef, buf, sz)
+}
+
+
 func main() {
 }
diff --git a/c-bindings/internal.h b/c-bindings/internal.h
index a0317fd..c33afb5 100644
--- a/c-bindings/internal.h
+++ b/c-bindings/internal.h
@@ -46,3 +46,5 @@ int jsonnet_internal_execute_writer(JsonnetIoWriterCallback *cb,
                                     int *success);
 
 void jsonnet_internal_free_string(char *str);
+
+char* jsonnet_internal_realloc(struct JsonnetVm *vm, char *str, size_t sz);
diff --git a/c-bindings/libjsonnet.cpp b/c-bindings/libjsonnet.cpp
index 2de73b1..972cfe4 100644
--- a/c-bindings/libjsonnet.cpp
+++ b/c-bindings/libjsonnet.cpp
@@ -72,7 +72,7 @@ static void memory_panic(void)
     abort();
 }
 
-char *jsonnet_realloc(JsonnetVm *vm, char *str, size_t sz)
+char *jsonnet_internal_realloc(JsonnetVm *vm, char *str, size_t sz)
 {
     (void)vm;
     if (str == nullptr) {