pigz.c-msys2-mingw-w64.patch

## pigz.c-msys2-mingw-w64.patch
Make pigz.c (2.3.3) compilable on MSYS2+MinGW-w64.

Based on AiZ's reverse patch posted on:
http://encode.ru/threads/1689-Google-Compress-Data-More-Densely-with-Zopfli?p=32684#post32684

--- pigz.c.bak	2016-02-03 23:33:58.896985400 +0100
+++ pigz.c	2016-02-04 00:21:44.597383100 +0100
@@ -331,6 +331,7 @@
 #include <sys/stat.h>   /* chmod(), stat(), fstat(), lstat(), struct stat, */
                         /* S_IFDIR, S_IFLNK, S_IFMT, S_IFREG */
 #include <sys/time.h>   /* utimes(), gettimeofday(), struct timeval */
+#include <utime.h>
 #include <unistd.h>     /* unlink(), _exit(), read(), write(), close(), */
                         /* lseek(), isatty(), chown() */
 #include <fcntl.h>      /* open(), O_CREAT, O_EXCL, O_RDONLY, O_TRUNC, */
@@ -3386,7 +3387,7 @@
 local void copymeta(char *from, char *to)
 {
     struct stat st;
-    struct timeval times[2];
+    struct utimbuf times;

     /* get all of from's Unix meta data, return if not a regular file */
     if (stat(from, &st) != 0 || (st.st_mode & S_IFMT) != S_IFREG)
@@ -3396,26 +3397,24 @@
     (void)chmod(to, st.st_mode & 07777);

     /* copy owner's user and group, ignore errors */
+#if 0
     (void)chown(to, st.st_uid, st.st_gid);
+#endif

     /* copy access and modify times, ignore errors */
-    times[0].tv_sec = st.st_atime;
-    times[0].tv_usec = 0;
-    times[1].tv_sec = st.st_mtime;
-    times[1].tv_usec = 0;
-    (void)utimes(to, times);
+    times.actime = st.st_atime;
+    times.modtime = st.st_mtime;
+    (void)utime(to, &times);
 }

 /* set the access and modify times of fd to t */
 local void touch(char *path, time_t t)
 {
-    struct timeval times[2];
+    struct utimbuf times;

-    times[0].tv_sec = t;
-    times[0].tv_usec = 0;
-    times[1].tv_sec = t;
-    times[1].tv_usec = 0;
-    (void)utimes(path, times);
+    times.actime = t;
+    times.modtime = t;
+    (void)utime(path, &times);
 }

 /* process provided input file, or stdin if path is NULL -- process() can
@@ -3447,7 +3446,7 @@

         /* try to stat input file -- if not there and decoding, look for that
            name with compressed suffixes */
-        if (lstat(g.inf, &st)) {
+        if (stat(g.inf, &st)) {
             if (errno == ENOENT && (g.list || g.decode)) {
                 char **sufx = sufs;
                 do {
@@ -3455,7 +3454,7 @@
                         break;
                     vstrcpy(&g.inf, &g.inz, len, *sufx++);
                     errno = 0;
-                } while (lstat(g.inf, &st) && errno == ENOENT);
+                } while (stat(g.inf, &st) && errno == ENOENT);
             }
 #ifdef EOVERFLOW
             if (errno == EOVERFLOW || errno == EFBIG)
@@ -3473,15 +3472,19 @@
         /* only process regular files, but allow symbolic links if -f,
            recurse into directory if -r */
         if ((st.st_mode & S_IFMT) != S_IFREG &&
+#if 0
             (st.st_mode & S_IFMT) != S_IFLNK &&
+#endif
             (st.st_mode & S_IFMT) != S_IFDIR) {
             complain("skipping: %s is a special file or device", g.inf);
             return;
         }
+#if 0
         if ((st.st_mode & S_IFMT) == S_IFLNK && !g.force && !g.pipeout) {
             complain("skipping: %s is a symbolic link", g.inf);
             return;
         }
+#endif
         if ((st.st_mode & S_IFMT) == S_IFDIR && !g.recurse) {
             complain("skipping: %s is a directory", g.inf);
             return;