Add portability enhancements for Cygwin32 environment.

diff --git a/configure b/configure
index e22c3b8..9ebc5a1 100644
--- a/configure
+++ b/configure
@@ -4168,7 +4168,7 @@
 done
 
 fi
-for ac_hdr in stdlib.h unistd.h stdarg.h errno.h malloc.h mntent.h paths.h dirent.h getopt.h setjmp.h signal.h termios.h linux/fd.h linux/major.h sys/disklabel.h sys/ioctl.h sys/mkdev.h sys/mount.h sys/sockio.h sys/sysmacros.h sys/time.h sys/stat.h sys/types.h net/if.h netinet/in.h
+for ac_hdr in stdlib.h unistd.h stdarg.h errno.h malloc.h mntent.h paths.h dirent.h getopt.h setjmp.h signal.h termios.h linux/fd.h linux/major.h sys/disklabel.h sys/ioctl.h sys/mkdev.h sys/mount.h sys/sockio.h sys/socket.h sys/sysmacros.h sys/time.h sys/stat.h sys/types.h sys/wait.h sys/resource.h net/if.h netinet/in.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
@@ -4313,20 +4313,84 @@
 
 fi
 
-echo $ac_n "checking whether llseek declared in unistd.h""... $ac_c" 1>&6
-echo "configure:4318: checking whether llseek declared in unistd.h" >&5
-if eval "test \"`echo '$''{'e2fsprogs_cv_have_llseek_prototype'+set}'`\" = set"; then
+echo $ac_n "checking whether d_reclen declared in dirent""... $ac_c" 1>&6
+echo "configure:4318: checking whether d_reclen declared in dirent" >&5
+if eval "test \"`echo '$''{'e2fsprogs_cv_have_d_reclen_dirent'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
 #line 4323 "configure"
 #include "confdefs.h"
+#include <dirent.h>
+int main() {
+struct dirent de; de.d_reclen = 0; 
+; return 0; }
+EOF
+if { (eval echo configure:4330: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  e2fsprogs_cv_have_d_reclen_dirent=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  e2fsprogs_cv_have_d_reclen_dirent=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$e2fsprogs_cv_have_d_reclen_dirent" 1>&6
+if test "$e2fsprogs_cv_have_d_reclen_dirent" = yes; then
+   cat >> confdefs.h <<\EOF
+#define HAVE_RECLEN_DIRENT 1
+EOF
+
+fi
+echo $ac_n "checking whether ssize_t declared""... $ac_c" 1>&6
+echo "configure:4350: checking whether ssize_t declared" >&5
+if eval "test \"`echo '$''{'e2fsprogs_cv_have_ssize_t'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 4355 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+int main() {
+ssize_t a = 0; 
+; return 0; }
+EOF
+if { (eval echo configure:4362: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  e2fsprogs_cv_have_ssize_t=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  e2fsprogs_cv_have_ssize_t=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$e2fsprogs_cv_have_ssize_t" 1>&6
+if test "$e2fsprogs_cv_have_ssize_t" = yes; then
+   cat >> confdefs.h <<\EOF
+#define HAVE_TYPE_SSIZE_T 1
+EOF
+
+fi
+echo $ac_n "checking whether llseek declared in unistd.h""... $ac_c" 1>&6
+echo "configure:4382: checking whether llseek declared in unistd.h" >&5
+if eval "test \"`echo '$''{'e2fsprogs_cv_have_llseek_prototype'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 4387 "configure"
+#include "confdefs.h"
 #include <unistd.h>
 int main() {
 extern int llseek(int);
 ; return 0; }
 EOF
-if { (eval echo configure:4330: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4394: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   e2fsprogs_cv_have_llseek_prototype=no
 else
@@ -4346,12 +4410,12 @@
 
 fi
 echo $ac_n "checking whether lseek64 declared in unistd.h""... $ac_c" 1>&6
-echo "configure:4350: checking whether lseek64 declared in unistd.h" >&5
+echo "configure:4414: checking whether lseek64 declared in unistd.h" >&5
 if eval "test \"`echo '$''{'e2fsprogs_cv_have_lseek64_prototype'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4355 "configure"
+#line 4419 "configure"
 #include "confdefs.h"
 #define _LARGEFILE_SOURCE
 #define _LARGEFILE64_SOURCE
@@ -4360,7 +4424,7 @@
 extern int lseek64(int);
 ; return 0; }
 EOF
-if { (eval echo configure:4364: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4428: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   e2fsprogs_cv_have_lseek64_prototype=no
 else
@@ -4388,7 +4452,7 @@
   echo "configure: warning: Cross-compiling, so cannot check type sizes; assuming short=2, int=4, long=4, long long=8" 1>&2
 fi
 echo $ac_n "checking size of short""... $ac_c" 1>&6
-echo "configure:4392: checking size of short" >&5
+echo "configure:4456: checking size of short" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_short'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4396,7 +4460,7 @@
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4400 "configure"
+#line 4464 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/types.h>
@@ -4408,7 +4472,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:4412: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4476: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_short=`cat conftestval`
 else
@@ -4428,7 +4492,7 @@
 
 
 echo $ac_n "checking size of int""... $ac_c" 1>&6
-echo "configure:4432: checking size of int" >&5
+echo "configure:4496: checking size of int" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_int'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4436,7 +4500,7 @@
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4440 "configure"
+#line 4504 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/types.h>
@@ -4448,7 +4512,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:4452: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4516: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_int=`cat conftestval`
 else
@@ -4468,7 +4532,7 @@
 
 
 echo $ac_n "checking size of long""... $ac_c" 1>&6
-echo "configure:4472: checking size of long" >&5
+echo "configure:4536: checking size of long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4476,7 +4540,7 @@
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4480 "configure"
+#line 4544 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/types.h>
@@ -4488,7 +4552,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:4492: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4556: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long=`cat conftestval`
 else
@@ -4508,7 +4572,7 @@
 
 
 echo $ac_n "checking size of long long""... $ac_c" 1>&6
-echo "configure:4512: checking size of long long" >&5
+echo "configure:4576: checking size of long long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4516,7 +4580,7 @@
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4520 "configure"
+#line 4584 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/types.h>
@@ -4528,7 +4592,7 @@
   exit(0);
 }
 EOF
-if { (eval echo configure:4532: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4596: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long_long=`cat conftestval`
 else
@@ -4556,14 +4620,14 @@
 
 
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:4560: checking whether byte ordering is bigendian" >&5
+echo "configure:4624: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
 cat > conftest.$ac_ext <<EOF
-#line 4567 "configure"
+#line 4631 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -4574,11 +4638,11 @@
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:4578: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4642: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   # It does; now see whether it defined to BIG_ENDIAN or not.
 cat > conftest.$ac_ext <<EOF
-#line 4582 "configure"
+#line 4646 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -4589,7 +4653,7 @@
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:4593: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4657: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -4609,7 +4673,7 @@
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 4613 "configure"
+#line 4677 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -4622,7 +4686,7 @@
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:4626: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4690: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_bigendian=no
 else
@@ -4646,19 +4710,19 @@
 fi
 
 echo $ac_n "checking whether struct stat has a st_flags field""... $ac_c" 1>&6
-echo "configure:4650: checking whether struct stat has a st_flags field" >&5
+echo "configure:4714: checking whether struct stat has a st_flags field" >&5
 if eval "test \"`echo '$''{'e2fsprogs_cv_struct_st_flags'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4655 "configure"
+#line 4719 "configure"
 #include "confdefs.h"
 #include <sys/stat.h>
 int main() {
 struct stat stat; stat.st_flags = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:4662: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4726: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   e2fsprogs_cv_struct_st_flags=yes
 else
@@ -4673,19 +4737,19 @@
 echo "$ac_t""$e2fsprogs_cv_struct_st_flags" 1>&6
 if test "$e2fsprogs_cv_struct_st_flags" = yes; then
   echo $ac_n "checking whether st_flags field is useful""... $ac_c" 1>&6
-echo "configure:4677: checking whether st_flags field is useful" >&5
+echo "configure:4741: checking whether st_flags field is useful" >&5
   if eval "test \"`echo '$''{'e2fsprogs_cv_struct_st_flags_immut'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4682 "configure"
+#line 4746 "configure"
 #include "confdefs.h"
 #include <sys/stat.h>
 int main() {
 struct stat stat; stat.st_flags |= UF_IMMUTABLE;
 ; return 0; }
 EOF
-if { (eval echo configure:4689: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4753: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   e2fsprogs_cv_struct_st_flags_immut=yes
 else
@@ -4708,12 +4772,12 @@
 for ac_func in chflags getrusage llseek lseek64 open64 getmntinfo strtoull strcasecmp srandom fchown mallinfo fdatasync strnlen sysconf pathconf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4712: checking for $ac_func" >&5
+echo "configure:4776: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4717 "configure"
+#line 4781 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4736,7 +4800,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:4740: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4804: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4762,7 +4826,7 @@
 
 SOCKET_LIB=''
 echo $ac_n "checking for socket in -lsocket""... $ac_c" 1>&6
-echo "configure:4766: checking for socket in -lsocket" >&5
+echo "configure:4830: checking for socket in -lsocket" >&5
 ac_lib_var=`echo socket'_'socket | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4770,7 +4834,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4774 "configure"
+#line 4838 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4781,7 +4845,7 @@
 socket()
 ; return 0; }
 EOF
-if { (eval echo configure:4785: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4849: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4804,7 +4868,7 @@
 
 DLOPEN_LIB=''
 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:4808: checking for dlopen in -ldl" >&5
+echo "configure:4872: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4812,7 +4876,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4816 "configure"
+#line 4880 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4823,7 +4887,7 @@
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:4827: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4891: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4849,12 +4913,12 @@
 
 
 echo $ac_n "checking for optreset""... $ac_c" 1>&6
-echo "configure:4853: checking for optreset" >&5
+echo "configure:4917: checking for optreset" >&5
 if eval "test \"`echo '$''{'ac_cv_have_optreset'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4858 "configure"
+#line 4922 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 EOF
@@ -4885,12 +4949,24 @@
 	;;
 esac
 LINUX_CMT="#"
+CYGWIN_CMT="#"
+UNIX_CMT=
 case "$host_os" in
 linux*)
 	LINUX_CMT=
 	;;
+cygwin)
+	CYGWIN_CMT=
+	UNIX_CMT="#"
+	cat >> confdefs.h <<\EOF
+#define WIN32 1
+EOF
+
+	;;
 esac
 
+
+
 case "$host_os" in
 linux* | gnu*)
 	if test "$prefix" = NONE -a "$root_prefix" = NONE ; then
@@ -4933,20 +5009,20 @@
 
 
 echo $ac_n "checking whether linker accepts -static""... $ac_c" 1>&6
-echo "configure:4937: checking whether linker accepts -static" >&5
+echo "configure:5013: checking whether linker accepts -static" >&5
 if eval "test \"`echo '$''{'ac_cv_e2fsprogs_use_static'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   SAVE_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -static"
 cat > conftest.$ac_ext <<EOF
-#line 4943 "configure"
+#line 5019 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 fflush(stdout);
 ; return 0; }
 EOF
-if { (eval echo configure:4950: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5026: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_e2fsprogs_use_static=yes
 else
@@ -5241,6 +5317,8 @@
 s%@SOCKET_LIB@%$SOCKET_LIB%g
 s%@DLOPEN_LIB@%$DLOPEN_LIB%g
 s%@LINUX_CMT@%$LINUX_CMT%g
+s%@CYGWIN_CMT@%$CYGWIN_CMT%g
+s%@UNIX_CMT@%$UNIX_CMT%g
 s%@root_prefix@%$root_prefix%g
 s%@root_bindir@%$root_bindir%g
 s%@root_sbindir@%$root_sbindir%g