lts/deps/zlib/patches/0000-build.patch
diff --git a/contrib/minizip/ioapi.h b/contrib/minizip/ioapi.h
index 8dcbdb06e35a..c1b7a54847f5 100644
--- a/contrib/minizip/ioapi.h
+++ b/contrib/minizip/ioapi.h
@@ -43,7 +43,7 @@
#include <stdio.h>
#include <stdlib.h>
-#include "zlib.h"
+#include "third_party/zlib/zlib.h"
#if defined(USE_FILE32API)
#define fopen64 fopen
diff --git a/contrib/minizip/iowin32.c b/contrib/minizip/iowin32.c
index 274f39eb1dd2..246ceb91a139 100644
--- a/contrib/minizip/iowin32.c
+++ b/contrib/minizip/iowin32.c
@@ -26,12 +26,19 @@
#endif
+#ifdef _WIN32_WINNT
+#undef _WIN32_WINNT
+#define _WIN32_WINNT 0x601
+#endif
+
+#if _WIN32_WINNT >= _WIN32_WINNT_WIN8
// see Include/shared/winapifamily.h in the Windows Kit
#if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API)))
#if WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY, WINAPI_PARTITION_APP)
#define IOWIN32_USING_WINRT_API 1
#endif
#endif
+#endif
voidpf ZCALLBACK win32_open_file_func OF((voidpf opaque, const char* filename, int mode));
uLong ZCALLBACK win32_read_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size));
diff --git a/contrib/minizip/mztools.c b/contrib/minizip/mztools.c
index 96891c2e0b71..8bf9cca32633 100644
--- a/contrib/minizip/mztools.c
+++ b/contrib/minizip/mztools.c
@@ -8,7 +8,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include "zlib.h"
+#include "third_party/zlib/zlib.h"
#include "unzip.h"
#define READ_8(adr) ((unsigned char)*(adr))
diff --git a/contrib/minizip/mztools.h b/contrib/minizip/mztools.h
index a49a426ec2fc..f295ffeda6af 100644
--- a/contrib/minizip/mztools.h
+++ b/contrib/minizip/mztools.h
@@ -12,7 +12,7 @@ extern "C" {
#endif
#ifndef _ZLIB_H
-#include "zlib.h"
+#include "third_party/zlib/zlib.h"
#endif
#include "unzip.h"
diff --git a/contrib/minizip/unzip.c b/contrib/minizip/unzip.c
index bcfb9416ec35..199b4723fcfc 100644
--- a/contrib/minizip/unzip.c
+++ b/contrib/minizip/unzip.c
@@ -72,7 +72,7 @@
#define NOUNCRYPT
#endif
-#include "zlib.h"
+#include "third_party/zlib/zlib.h"
#include "unzip.h"
#ifdef STDC
@@ -1705,11 +1705,6 @@ extern int ZEXPORT unzReadCurrentFile (unzFile file, voidp buf, unsigned len)
pfile_in_zip_read_info->stream.avail_out = (uInt)len;
- if ((len>pfile_in_zip_read_info->rest_read_uncompressed) &&
- (!(pfile_in_zip_read_info->raw)))
- pfile_in_zip_read_info->stream.avail_out =
- (uInt)pfile_in_zip_read_info->rest_read_uncompressed;
-
if ((len>pfile_in_zip_read_info->rest_read_compressed+
pfile_in_zip_read_info->stream.avail_in) &&
(pfile_in_zip_read_info->raw))
diff --git a/contrib/minizip/unzip.h b/contrib/minizip/unzip.h
index 2104e3915074..3c0143529b91 100644
--- a/contrib/minizip/unzip.h
+++ b/contrib/minizip/unzip.h
@@ -48,7 +48,7 @@ extern "C" {
#endif
#ifndef _ZLIB_H
-#include "zlib.h"
+#include "third_party/zlib/zlib.h"
#endif
#ifndef _ZLIBIOAPI_H
diff --git a/contrib/minizip/zip.c b/contrib/minizip/zip.c
index 44e88a9cb989..65c0c7251843 100644
--- a/contrib/minizip/zip.c
+++ b/contrib/minizip/zip.c
@@ -26,7 +26,7 @@
#include <stdlib.h>
#include <string.h>
#include <time.h>
-#include "zlib.h"
+#include "third_party/zlib/zlib.h"
#include "zip.h"
#ifdef STDC
diff --git a/contrib/minizip/zip.h b/contrib/minizip/zip.h
index 8aaebb623430..8c06c0aa7bb0 100644
--- a/contrib/minizip/zip.h
+++ b/contrib/minizip/zip.h
@@ -47,7 +47,7 @@ extern "C" {
//#define HAVE_BZIP2
#ifndef _ZLIB_H
-#include "zlib.h"
+#include "third_party/zlib/zlib.h"
#endif
#ifndef _ZLIBIOAPI_H
diff --git a/gzread.c b/gzread.c
index 956b91ea7d9e..832d3ef98c59 100644
--- a/gzread.c
+++ b/gzread.c
@@ -443,7 +443,11 @@ z_size_t ZEXPORT gzfread(buf, size, nitems, file)
# undef z_gzgetc
#else
# undef gzgetc
+# ifdef Z_CR_PREFIX_SET
+# define gzgetc Cr_z_gzgetc
+# endif
#endif
+
int ZEXPORT gzgetc(file)
gzFile file;
{
diff --git a/zconf.h b/zconf.h
index 5e1d68a004e9..a7a815f575a7 100644
--- a/zconf.h
+++ b/zconf.h
@@ -8,6 +8,10 @@
#ifndef ZCONF_H
#define ZCONF_H
+/*
+ * This library is also built as a part of AOSP, which does not need to include
+ * chromeconf.h. This config does not want chromeconf.h, so it can set this
+ * macro to opt out. While this works today, there's no guarantee that building
+ * zlib outside of Chromium keeps working in the future.
+ */
+#if !defined(CHROMIUM_ZLIB_NO_CHROMECONF)
+/* This include does prefixing as below, but with an updated set of names. Also
+ * sets up export macros in component builds. */
+#include "chromeconf.h"
+#endif
+
/*
* If you *really* need a unique prefix for all types and library functions,
* compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
@@ -431,7 +434,7 @@ typedef uLong FAR uLongf;
typedef unsigned long z_crc_t;
#endif
-#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */
+#if !defined(_WIN32)
# define Z_HAVE_UNISTD_H
#endif
diff --git a/zlib.h b/zlib.h
index f09cdaf1e054..99fd467f6b1a 100644
--- a/zlib.h
+++ b/zlib.h
@@ -1824,6 +1824,11 @@ ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file)); /* backward compatibility */
# undef z_gzgetc
# define z_gzgetc(g) \
((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : (gzgetc)(g))
+#elif defined(Z_CR_PREFIX_SET)
+# undef gzgetc
+# define gzgetc(g) \
+ ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) \
+ : (Cr_z_gzgetc)(g))
#else
# define gzgetc(g) \
((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : (gzgetc)(g))
@@ -1853,11 +1858,29 @@ ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file)); /* backward compatibility */
# define z_adler32_combine z_adler32_combine64
# define z_crc32_combine z_crc32_combine64
# else
+# ifdef gzopen
+# undef gzopen
+# endif
# define gzopen gzopen64
+# ifdef gzseek
+# undef gzseek
+# endif
# define gzseek gzseek64
+# ifdef gztell
+# undef gztell
+# endif
# define gztell gztell64
+# ifdef gzoffset
+# undef gzoffset
+# endif
# define gzoffset gzoffset64
+# ifdef adler32_combine
+# undef adler32_combine
+# endif
# define adler32_combine adler32_combine64
+# ifdef crc32_combine
+# undef crc32_combine
+# endif
# define crc32_combine crc32_combine64
# endif
# ifndef Z_LARGE64
diff --git a/zutil.h b/zutil.h
index b079ea6a80f5..80375b8b6109 100644
--- a/zutil.h
+++ b/zutil.h
@@ -28,6 +28,21 @@
# include <string.h>
# include <stdlib.h>
#endif
+#ifdef NO_ERRNO_H
+# ifdef _WIN32_WCE
+ /* The Microsoft C Run-Time Library for Windows CE doesn't have
+ * errno. We define it as a global variable to simplify porting.
+ * Its value is always 0 and should not be used. We rename it to
+ * avoid conflict with other libraries that use the same workaround.
+ */
+# define errno z_errno
+# endif
+ extern int errno;
+#else
+# ifndef _WIN32_WCE
+# include <errno.h>
+# endif
+#endif
#ifdef Z_SOLO
typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */