From 245a69c0f5784ba89c28301263bcfd5785ebe0ea Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Tue, 30 Jul 2019 17:17:07 -0700
Subject: [PATCH] zstd: Don't use utime on Linux

utime is deprecated by POSIX 2008 and optionally not available with
uClibc-ng.

Got rid of a few useless headers in timefn.h.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 programs/platform.h |  2 +-
 programs/timefn.h   |  6 ------
 programs/util.c     | 10 ++++++++++
 programs/util.h     |  5 +++--
 4 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/programs/platform.h b/programs/platform.h
index 38ded8727..5934e59cf 100644
--- a/programs/platform.h
+++ b/programs/platform.h
@@ -92,7 +92,7 @@ extern "C" {
 
 #    if defined(__linux__) || defined(__linux)
 #      ifndef _POSIX_C_SOURCE
-#        define _POSIX_C_SOURCE 200112L  /* feature test macro : https://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html */
+#        define _POSIX_C_SOURCE 200809L  /* feature test macro : https://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html */
 #      endif
 #    endif
 #    include <unistd.h>  /* declares _POSIX_VERSION */
diff --git a/programs/timefn.h b/programs/timefn.h
index d1ddd31b1..2db3765b9 100644
--- a/programs/timefn.h
+++ b/programs/timefn.h
@@ -19,12 +19,6 @@ extern "C" {
 /*-****************************************
 *  Dependencies
 ******************************************/
-#include <sys/types.h>    /* utime */
-#if defined(_MSC_VER)
-#  include <sys/utime.h>  /* utime */
-#else
-#  include <utime.h>      /* utime */
-#endif
 #include <time.h>         /* clock_t, clock, CLOCKS_PER_SEC */
 
 
diff --git a/programs/util.c b/programs/util.c
index fb77d1783..3a2e9e28f 100644
--- a/programs/util.c
+++ b/programs/util.c
@@ -54,14 +54,24 @@ int UTIL_getFileStat(const char* infilename, stat_t *statbuf)
 int UTIL_setFileStat(const char *filename, stat_t *statbuf)
 {
     int res = 0;
+#if defined(_WIN32)
     struct utimbuf timebuf;
+#else
+    struct timespec timebuf[2];
+#endif
 
     if (!UTIL_isRegularFile(filename))
         return -1;
 
+#if defined(_WIN32)
     timebuf.actime = time(NULL);
     timebuf.modtime = statbuf->st_mtime;
     res += utime(filename, &timebuf);  /* set access and modification times */
+#else
+    timebuf[0].tv_sec = time(NULL);
+    timebuf[1].tv_sec = statbuf->st_mtime;
+    res += utimensat(AT_FDCWD, filename, timebuf, 0);  /* set access and modification times */
+#endif
 
 #if !defined(_WIN32)
     res += chown(filename, statbuf->st_uid, statbuf->st_gid);  /* Copy ownership */
diff --git a/programs/util.h b/programs/util.h
index d6e5bb550..71d4c7c77 100644
--- a/programs/util.h
+++ b/programs/util.h
@@ -25,12 +25,13 @@ extern "C" {
 #include <stdio.h>        /* fprintf */
 #include <sys/types.h>    /* stat, utime */
 #include <sys/stat.h>     /* stat, chmod */
-#if defined(_MSC_VER)
+#if defined(_WIN32)
 #  include <sys/utime.h>  /* utime */
 #  include <io.h>         /* _chmod */
 #else
+#  include <fcntl.h>      /* AT_FDCWD */
+#  include <sys/stat.h>   /* utimensat */
 #  include <unistd.h>     /* chown, stat */
-#  include <utime.h>      /* utime */
 #endif
 #include <time.h>         /* clock_t, clock, CLOCKS_PER_SEC, nanosleep */
 #include "mem.h"          /* U32, U64 */