Libtiff upstream: _TIFFcalloc addition

Upstream commit:
https://github.com/vadz/libtiff/commit/d60332057b9575ada4f264489582b13e30137be1

Bug: chromium:711638
Change-Id: I46de1a00f9bb8d5de8df64ec78a9d62dcb4352ed
Reviewed-on: https://pdfium-review.googlesource.com/4310
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Nicolás Peña <npm@chromium.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/core/fxcrt/fx_basic_memmgr.cpp b/core/fxcrt/fx_basic_memmgr.cpp
index f3aaa3678d..75bc2bc1f1 100644
--- a/core/fxcrt/fx_basic_memmgr.cpp
+++ b/core/fxcrt/fx_basic_memmgr.cpp
@@ -24,9 +24,15 @@ void FXMEM_InitalizePartitionAlloc() {
 void* FXMEM_DefaultAlloc(size_t byte_size, int flags) {
   return (void*)malloc(byte_size);
 }
+
+void* FXMEM_DefaultCalloc(size_t num_elems, size_t byte_size) {
+  return calloc(num_elems, byte_size);
+}
+
 void* FXMEM_DefaultRealloc(void* pointer, size_t new_size, int flags) {
   return realloc(pointer, new_size);
 }
+
 void FXMEM_DefaultFree(void* pointer, int flags) {
   free(pointer);
 }