From 6d49ccf97896fb433a22996f44554c8583ddbaed Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Sat, 25 Mar 2017 01:26:21 +0100
Subject: [PATCH] (zlib) Update adler32

---
 deps/zlib/adler32.c                   | 4 +---
 libretro-common/include/compat/zlib.h | 3 ++-
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/deps/zlib/adler32.c b/deps/zlib/adler32.c
index a7abb77725..67d6030f95 100644
--- a/deps/zlib/adler32.c
+++ b/deps/zlib/adler32.c
@@ -8,7 +8,6 @@
 #define ZLIB_INTERNAL
 #include <stdint.h>
 #include <stddef.h>
-#include <compat/zutil.h>
 
 #define BASE 65521UL    /* largest prime smaller than 65536 */
 #define NMAX 5552
@@ -46,7 +45,7 @@
 #endif
 
 /* ========================================================================= */
-uLong adler32(uLong adler, const Bytef *buf, uInt len)
+uint32_t adler32(uint32_t adler, const uint8_t *buf, size_t len)
 {
    uint32_t s1 = adler & 0xffff;
    uint32_t s2 = (adler >> 16) & 0xffff;
@@ -72,4 +71,3 @@ uLong adler32(uLong adler, const Bytef *buf, uInt len)
    }
    return (s2 << 16) | s1;
 }
-
diff --git a/libretro-common/include/compat/zlib.h b/libretro-common/include/compat/zlib.h
index 894c8c05d5..43edeabfd8 100644
--- a/libretro-common/include/compat/zlib.h
+++ b/libretro-common/include/compat/zlib.h
@@ -40,6 +40,7 @@
 #ifndef ZLIB_H
 #define ZLIB_H
 
+#include <stdint.h>
 #include "zconf.h"
 
 #ifdef __cplusplus
@@ -1575,7 +1576,7 @@ ZEXTERN void ZEXPORT gzclearerr OF((gzFile file));
    library.
 */
 
-ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len));
+uint32_t adler32 (uint32_t adler, const uint8_t *buf, size_t len);
 /*
      Update a running Adler-32 checksum with the bytes buf[0..len-1] and
    return the updated checksum.  If buf is Z_NULL, this function returns the