From b20c4d3aada74ea4bd204b03b5045585008294bc Mon Sep 17 00:00:00 2001
From: Stefan F <32997632+stefan301@users.noreply.github.com>
Date: Tue, 31 Aug 2021 00:34:42 +0200
Subject: [C++] Add GetMutableSizePrefixedRoot and generate
 GetMutableSizePrefixedXxx functions (#6815)

* flattests_cpp17 doesn't compile with Visual Studio 2017: warning C4100: 'indent': unreferenced formal parameter

stringify_util.h(127): error C2220: warning treated as error - no 'object' file generated
stringify_util.h(127): warning C4100: 'indent': unreferenced formal parameter
stringify_util.h(85): warning C4100: 'indent': unreferenced formal parameter
stringify_util.h(85): warning C4100: 'fbs': unreferenced formal parameter

* [C++] Add GetMutableSizePrefixedRoot() and generate a GetMutableSizePrefixed function
When using the mutable API together with size prefixed buffers these functions should be present.

* clang-format

* Cleanup branch for PR
Revert "flattests_cpp17 doesn't compile with Visual Studio 2017: warning C4100: 'indent': unreferenced formal parameter"

This reverts commit a92055203e3c26b69df4896d6babd7714539307a.
---
 include/flatbuffers/flatbuffers.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'include')

diff --git a/include/flatbuffers/flatbuffers.h b/include/flatbuffers/flatbuffers.h
index 273d5091..23229982 100644
--- a/include/flatbuffers/flatbuffers.h
+++ b/include/flatbuffers/flatbuffers.h
@@ -2327,6 +2327,11 @@ template<typename T> T *GetMutableRoot(void *buf) {
       EndianScalar(*reinterpret_cast<uoffset_t *>(buf)));
 }
 
+template<typename T> T *GetMutableSizePrefixedRoot(void *buf) {
+  return GetMutableRoot<T>(reinterpret_cast<uint8_t *>(buf) +
+                           sizeof(uoffset_t));
+}
+
 template<typename T> const T *GetRoot(const void *buf) {
   return GetMutableRoot<T>(const_cast<void *>(buf));
 }
-- 
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