[zlib] Build minizip zip and unzip tools

Minizip is a library provided by //third_party/zlib. Its zip and unzip
tools can be built in a developer checkout for testing purposes with:

  autoninja -C out/Release minizip_bin
  autoninja -C out/Release miniunz_bin

Add GN build rules for these files. Patch minizip and miniunz tools so
they compile. Add a patch file and minizip.md for usage.

On Android, disable large file support (see bug comment #12). off_t is
32 bits (instead of 64 bits) and should compile on the bots where this
patch failed compile before [1] and was reverted (CL:2895825).

[1] Added CQ android_asan, android_archive_rel_ng try jobs to pre-test
that compile works on these waterfall builders.

Bug: 1207895
Change-Id: Idbb3414a2c14fc541e31d6eff97859245296003f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2919568
Reviewed-by: Adenilson Cavalcanti <cavalcantii@chromium.org>
Commit-Queue: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#886990}
NOKEYCHECK=True
GitOrigin-RevId: a45e197d9695de4214f27e4c218b82e256b10d06

3 files changed, 18 insertions, 11 deletions

diff --git a/contrib/minizip/miniunz.c b/contrib/minizip/miniunz.c
index 3d65401..08737f6 100644
--- a/contrib/minizip/miniunz.c
+++ b/contrib/minizip/miniunz.c
@@ -12,7 +12,7 @@
          Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
 */
 
-#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
+#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__)) && (!defined(__ANDROID_API__))
         #ifndef __USE_FILE_OFFSET64
                 #define __USE_FILE_OFFSET64
         #endif
@@ -27,7 +27,7 @@
         #endif
 #endif
 
-#ifdef __APPLE__
+#if defined(__APPLE__) || defined(__Fuchsia__) || defined(__ANDROID_API__)
 // In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
 #define FOPEN_FUNC(filename, mode) fopen(filename, mode)
 #define FTELLO_FUNC(stream) ftello(stream)
@@ -45,6 +45,7 @@
 #include <time.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <sys/stat.h>
 
 #ifdef _WIN32
 # include <direct.h>
@@ -97,7 +98,7 @@ void change_file_date(filename,dosdate,tmu_date)
   SetFileTime(hFile,&ftm,&ftLastAcc,&ftm);
   CloseHandle(hFile);
 #else
-#ifdef unix || __APPLE__
+#if defined(unix) || defined(__APPLE__) || defined(__Fuchsia__) || defined(__ANDROID_API__)
   struct utimbuf ut;
   struct tm newdate;
   newdate.tm_sec = tmu_date.tm_sec;
@@ -125,11 +126,9 @@ int mymkdir(dirname)
     const char* dirname;
 {
     int ret=0;
-#ifdef _WIN32
+#if defined(_WIN32)
     ret = _mkdir(dirname);
-#elif unix
-    ret = mkdir (dirname,0775);
-#elif __APPLE__
+#elif defined(unix) || defined(__APPLE__) || defined(__Fuchsia__) || defined(__ANDROID_API__)
     ret = mkdir (dirname,0775);
 #endif
     return ret;
diff --git a/contrib/minizip/minizip.c b/contrib/minizip/minizip.c
index 4288962..b794953 100644
--- a/contrib/minizip/minizip.c
+++ b/contrib/minizip/minizip.c
@@ -12,8 +12,7 @@
          Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
 */
 
-
-#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
+#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__)) && (!defined(__ANDROID_API__))
         #ifndef __USE_FILE_OFFSET64
                 #define __USE_FILE_OFFSET64
         #endif
@@ -28,7 +27,7 @@
         #endif
 #endif
 
-#ifdef __APPLE__
+#if defined(__APPLE__) || defined(__Fuchsia__) || defined(__ANDROID_API__)
 // In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
 #define FOPEN_FUNC(filename, mode) fopen(filename, mode)
 #define FTELLO_FUNC(stream) ftello(stream)
@@ -94,7 +93,7 @@ uLong filetime(f, tmzip, dt)
   return ret;
 }
 #else
-#ifdef unix || __APPLE__
+#if defined(unix) || defined(__APPLE__) || defined(__Fuchsia__) || defined(__ANDROID_API__)
 uLong filetime(f, tmzip, dt)
     char *f;               /* name of file to get info on */
     tm_zip *tmzip;         /* return value: access, modific. and creation times */
diff --git a/contrib/minizip/minizip.md b/contrib/minizip/minizip.md
new file mode 100644
index 0000000..9f15dd2
--- /dev/null
+++ b/contrib/minizip/minizip.md
@@ -0,0 +1,9 @@
+Minizip is a library provided by //third_party/zlib [1]. Its zip and unzip
+tools can be built in a developer checkout for testing purposes with:
+
+```shell
+  autoninja -C out/Release minizip_bin
+  autoninja -C out/Release miniunz_bin
+```
+
+[1] Upstream is https://github.com/madler/zlib/tree/master/contrib/minizip