From fc02537d59b996b581beb5fc977f2bf015b4b307 Mon Sep 17 00:00:00 2001
From: Ben Smith <binjimin@gmail.com>
Date: Wed, 25 Jul 2018 15:30:42 -0700
Subject: [PATCH] [emscripten] Use long instead of int for ssize_t (#880)

This was recently changed in emscripten. It seems that ssize_t can be used directly now, so defining it is only necessary for MSVC.
---
 CMakeLists.txt  | 11 +++--------
 src/config.h.in |  2 +-
 2 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2d7f87272..995eb6fde 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,14 +61,9 @@ if (WIN32)
   check_symbol_exists(ENABLE_VIRTUAL_TERMINAL_PROCESSING "windows.h" HAVE_WIN32_VT100)
 endif ()
 
-if (EMSCRIPTEN)
-  set(SIZEOF_SSIZE_T 4)
-  set(SIZEOF_SIZE_T 4)
-else ()
-  include(CheckTypeSize)
-  check_type_size(ssize_t SSIZE_T)
-  check_type_size(size_t SIZEOF_SIZE_T)
-endif ()
+include(CheckTypeSize)
+check_type_size(ssize_t SSIZE_T)
+check_type_size(size_t SIZEOF_SIZE_T)
 
 configure_file(
   ${WABT_SOURCE_DIR}/src/config.h.in
diff --git a/src/config.h.in b/src/config.h.in
index e7c800a4c..9cff0b40a 100644
--- a/src/config.h.in
+++ b/src/config.h.in
@@ -279,7 +279,7 @@ int wabt_vsnprintf(char* str, size_t size, const char* format, va_list ap);
 #endif
 
 #if !HAVE_SSIZE_T
-typedef int ssize_t;
+typedef long ssize_t;
 #endif
 
 #if !HAVE_STRCASECMP