From f3fcb92cf6c81b3ecd04b3ceb9243548b80c0cd9 Mon Sep 17 00:00:00 2001
From: Mark Adler <madler@alumni.caltech.edu>
Date: Fri, 30 Dec 2016 23:40:43 -0800
Subject: [PATCH] Use intptr_t for z_ssize_t on MSVC.

---
 zconf.h         | 7 ++++++-
 zconf.h.cmakein | 7 ++++++-
 zconf.h.in      | 7 ++++++-
 3 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/zconf.h b/zconf.h
index aee94b0..f6481d1 100644
--- a/zconf.h
+++ b/zconf.h
@@ -240,8 +240,13 @@
 #  ifdef NO_SSIZE_T
      typedef NO_SSIZE_T z_ssize_t;
 #  else
+#    include <stddef.h>
 #    include <sys/types.h>
-     typedef ssize_t z_ssize_t;
+#    ifdef _MSC_VER
+       typedef intptr_t z_ssize_t;
+#    else
+       typedef ssize_t z_ssize_t;
+#    endif
 #  endif
 #  undef z_longlong
 #endif
diff --git a/zconf.h.cmakein b/zconf.h.cmakein
index fe97071..843aeb4 100644
--- a/zconf.h.cmakein
+++ b/zconf.h.cmakein
@@ -242,8 +242,13 @@
 #  ifdef NO_SSIZE_T
      typedef NO_SSIZE_T z_ssize_t;
 #  else
+#    include <stddef.h>
 #    include <sys/types.h>
-     typedef ssize_t z_ssize_t;
+#    ifdef _MSC_VER
+       typedef intptr_t z_ssize_t;
+#    else
+       typedef ssize_t z_ssize_t;
+#    endif
 #  endif
 #  undef z_longlong
 #endif
diff --git a/zconf.h.in b/zconf.h.in
index aee94b0..f6481d1 100644
--- a/zconf.h.in
+++ b/zconf.h.in
@@ -240,8 +240,13 @@
 #  ifdef NO_SSIZE_T
      typedef NO_SSIZE_T z_ssize_t;
 #  else
+#    include <stddef.h>
 #    include <sys/types.h>
-     typedef ssize_t z_ssize_t;
+#    ifdef _MSC_VER
+       typedef intptr_t z_ssize_t;
+#    else
+       typedef ssize_t z_ssize_t;
+#    endif
 #  endif
 #  undef z_longlong
 #endif