1 files changed, 14 insertions, 0 deletions
diff --git a/src/core/surface/byte_buffer.c b/src/core/surface/byte_buffer.c
index 4817e00454..a930949f2d 100644
--- a/src/core/surface/byte_buffer.c
+++ b/src/core/surface/byte_buffer.c
@@ -55,6 +55,20 @@ grpc_byte_buffer *grpc_raw_compressed_byte_buffer_create(
   return bb;
 }
 
+grpc_byte_buffer *grpc_raw_byte_buffer_from_reader(
+    grpc_byte_buffer_reader *reader) {
+  grpc_byte_buffer *bb = malloc(sizeof(grpc_byte_buffer));
+  gpr_slice slice;
+  bb->type = GRPC_BB_RAW;
+  bb->data.raw.compression = GRPC_COMPRESS_NONE;
+  gpr_slice_buffer_init(&bb->data.raw.slice_buffer);
+
+  while (grpc_byte_buffer_reader_next(reader, &slice)) {
+    gpr_slice_buffer_add(&bb->data.raw.slice_buffer, slice);
+  }
+  return bb;
+}
+
 grpc_byte_buffer *grpc_byte_buffer_copy(grpc_byte_buffer *bb) {
   switch (bb->type) {
     case GRPC_BB_RAW: