MinGW: Second step of porting to MinGW

configure.ac

@@ -19,7 +19,7 @@ case $host in
     AC_CHECK_LIB([socket], [main], , [AC_MSG_ERROR([Can not find required library])])
     AC_CHECK_LIB([nsl],    [main], , [AC_MSG_ERROR([Can not find required library])])
     ;;
-  *mingw*)
+  *mingw*|*msys*)
     target_os_is_win32=true
     ;;
   *)
@@ -84,6 +84,40 @@ AM_CONDITIONAL([HAVE_LIBGCRYPT], [test $ac_cv_lib_gcrypt_gcry_control = yes])
 # For MinGW.
 AC_CHECK_LIB([ws2_32], [gethostbyname])
 
+AC_CHECK_HEADERS([sys/select.h])
+AC_CHECK_HEADERS([winsock.h winsock2.h ws2tcpip.h],,,[#include <windows.h>])
+
+#
+# Check for the type of the fifth argument of select() since MinGW uses
+# struct __ms_timeval.
+#
+
+ac_save_CFLAGS=$CFLAGS
+CFLAGS="$CFLAGS -Werror"
+AC_MSG_CHECKING([for the type of the fifth argument of select()])
+arg_type=void
+for t in "struct timeval" "struct __ms_timeval"; do
+AC_COMPILE_IFELSE(
+    [AC_LANG_PROGRAM([
+#if defined(HAVE_WINSOCK2_H) && defined(HAVE_WS2TCPIP_H)
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#else
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+#endif
+#include <stddef.h>
+], [return select(0, NULL, NULL, NULL, ($t *)NULL)])],
+    [arg_type=$t; break])
+done
+AC_MSG_RESULT(${arg_type})
+AC_DEFINE_UNQUOTED([SELECT_TIMEVAL_TYPE], [${arg_type}],
+        [Type of the fifth argument of select()])
+CFLAGS=$ac_save_CFLAGS
+
+AC_CHECK_FUNCS([tzset])
+
 AC_CACHE_CHECK([for sin_len in sock],libiscsi_cv_HAVE_SOCK_SIN_LEN,[
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
 #include <sys/socket.h>
@@ -104,30 +138,15 @@ if test x"$libiscsi_cv_NEED_SYS_FILIO_H" = x"yes"; then
     AC_DEFINE(NEED_SYS_FILIO_H,1,[Whether we need sys/filio.h])
 fi
 
-# check for sys/socket.h
-dnl Check for sys/socket.h
-AC_CHECK_HEADERS([sys/socket.h])
-
-# check for netinet/tcp.h
-dnl Check for netinet/tcp.h
-AC_CHECK_HEADERS([netinet/tcp.h])
-
-# check for netinet/in.h
-dnl Check for netinet/in.h
-AC_CHECK_HEADERS([netinet/in.h])
-
-# check for arpa/inet.h
-dnl Check for arpa/inet.h
-AC_CHECK_HEADERS([arpa/inet.h])
-
-# check for sys/uio.h
-dnl Check for sys/uio.h
-AC_CHECK_HEADERS([sys/uio.h])
-
-# check for poll.h
-dnl Check for poll.h
-AC_CHECK_HEADERS([poll.h])
-
+AC_CHECK_HEADERS(dnl
+[arpa/inet.h]	dnl
+[netinet/in.h]	dnl
+[netinet/tcp.h]	dnl
+[poll.h]	dnl
+[sys/socket.h]	dnl
+[sys/time.h]	dnl
+[sys/uio.h]	dnl
+)
 
 AC_CACHE_CHECK([for sockaddr_in6 support],libiscsi_cv_HAVE_SOCKADDR_IN6,[
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
@@ -179,6 +198,11 @@ if ! test "$ac_cv_have_cunit" = yes ; then
 fi
 AM_CONDITIONAL(ISCSITEST, [test "$ac_cv_have_cunit" = yes -a "$enable_shared" = "yes"])
 
+AC_CHECK_MEMBER([struct timezone.tz_dsttime],
+                [AC_DEFINE([HAVE_TIMEZONE_TZ_DSTTIME], [1],
+                   [Define this macro if struct timezone has tz_dsttime])], [],
+                [#include <sys/time.h>])
+
 AC_CHECK_MEMBER([struct CU_SuiteInfo.pSetUpFunc],
 		[AC_DEFINE([HAVE_CU_SUITEINFO_PSETUPFUNC], 1,
 		 [Define to 1 if struct CU_SuiteInfo has a member called pSetUpFunc])],

examples/Makefile.am

@@ -1,4 +1,4 @@
-AM_CPPFLAGS=-I. -I${srcdir}/../include
+AM_CPPFLAGS=-I. -I${srcdir}/../include -I${srcdir}/../win32
 AM_CFLAGS=$(WARN_CFLAGS)
 AM_LDFLAGS=-no-undefined
 LIBS=../lib/libiscsi.la

examples/iscsi-dd.c

@@ -15,12 +15,17 @@
    along with this program; if not, see <http://www.gnu.org/licenses/>.
 */
 
+#include "config.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
 #include <inttypes.h>
 #include <string.h>
+#ifdef HAVE_POLL_H
 #include <poll.h>
+#else
+#include "win32_compat.h"
+#endif
 #include <getopt.h>
 #include <unistd.h>
 #include <limits.h>

examples/iscsiclient.c

@@ -37,7 +37,9 @@
 #if defined(_WIN32)
 #include <winsock2.h>
 #include "win32/win32_compat.h"
+#ifdef _MSC_VER
 #pragma comment(lib, "ws2_32.lib")
+#endif
 WSADATA wsaData;
 #else
 #include <poll.h>

lib/Makefile.am

@@ -37,6 +37,14 @@ lib_LTLIBRARIES = libiscsi.la
 libiscsi_la_SOURCES =
 libiscsi_la_LIBADD = libiscsipriv.la
 
+libiscsi.syms: libiscsi.syms.in
+	cat <$< >$@
+if TARGET_OS_IS_WIN32
+	echo win32_poll >>$@
+endif
+
+EXTRA_libiscsi_la_DEPENDENCIES = libiscsi.syms
+
 SOCURRENT=9
 SOREVISON=0
 SOAGE=0

tests/Makefile.am

@@ -1,4 +1,4 @@
-AM_CPPFLAGS = -I${srcdir}/../include
+AM_CPPFLAGS = -I${srcdir}/../include -I${srcdir}/../win32
 AM_CFLAGS = $(WARN_CFLAGS)
 AM_LDFLAGS = -no-undefined
 LIBS = ../lib/libiscsi.la

tests/prog_header_digest.c

@@ -20,6 +20,8 @@
 
 #ifdef HAVE_POLL_H
 #include <poll.h>
+#else
+#include "win32_compat.h"
 #endif
 
 #ifdef HAVE_UNISTD_H

tests/prog_noop_reply.c

@@ -20,6 +20,8 @@
 
 #ifdef HAVE_POLL_H
 #include <poll.h>
+#else
+#include "win32_compat.h"
 #endif
 
 #ifdef HAVE_UNISTD_H

tests/prog_read_all_pdus.c

@@ -20,6 +20,8 @@
 
 #ifdef HAVE_POLL_H
 #include <poll.h>
+#else
+#include "win32_compat.h"
 #endif
 
 #ifdef HAVE_UNISTD_H

tests/prog_reconnect.c

@@ -20,6 +20,8 @@
 
 #ifdef HAVE_POLL_H
 #include <poll.h>
+#else
+#include "win32_compat.h"
 #endif
 
 #ifdef HAVE_UNISTD_H

tests/prog_reconnect_timeout.c

@@ -20,6 +20,8 @@
 
 #ifdef HAVE_POLL_H
 #include <poll.h>
+#else
+#include "win32_compat.h"
 #endif
 
 #ifdef HAVE_UNISTD_H

utils/Makefile.am

@@ -1,8 +1,9 @@
-AM_CPPFLAGS = -I${srcdir}/../include
+AM_CPPFLAGS = -I${srcdir}/../include -I${srcdir}/../win32
 AM_CFLAGS = $(WARN_CFLAGS)
 AM_LDFLAGS = -no-undefined
 LIBS = ../lib/libiscsi.la
 
-bin_PROGRAMS = iscsi-inq iscsi-ls iscsi-perf iscsi-readcapacity16 \
-	iscsi-swp
-
+bin_PROGRAMS = iscsi-inq iscsi-ls iscsi-swp
+if !TARGET_OS_IS_WIN32
+bin_PROGRAMS += iscsi-perf iscsi-readcapacity16
+endif

utils/iscsi-ls.c

@@ -21,7 +21,9 @@
 #if defined(_WIN32)
 #include <winsock2.h>
 #include "win32_compat.h"
+#ifdef _MSC_VER
 #pragma comment(lib, "ws2_32.lib")
+#endif
 WSADATA wsaData;
 #endif
 

win32/win32_compat.c

@@ -21,10 +21,14 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */
 
+#include "config.h"
 #include "win32_compat.h"
 #include <errno.h>
 #include <stdio.h>
-#include < time.h >
+#include <time.h>
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
 
 #undef poll
 #undef socket
@@ -46,15 +50,13 @@ int win32_inet_pton(int af, const char *src, void *dst)
 	struct sockaddr_in sa;
 	int len = sizeof(SOCKADDR);
 	int ret = -1;
-	int strLen = strlen(src) + 1;
 #ifdef UNICODE
+	int strLen = strlen(src) + 1;
 	wchar_t *srcNonConst = (wchar_t *)malloc(strLen * sizeof(wchar_t));
 	memset(srcNonConst, 0, strLen);
 	MultiByteToWideChar(CP_ACP, 0, src, -1, srcNonConst, strLen);
 #else
-	char *srcNonConst = (char *)malloc(strLen);
-	memset(srcNonConst, 0, strLen);
-	strncpy(srcNonConst, src, strLen);
+	char *srcNonConst = strdup(src);
 #endif
 
 	if (WSAStringToAddress(srcNonConst, af, NULL, (LPSOCKADDR)&sa, &len) ==
@@ -72,7 +74,7 @@ int win32_inet_pton(int af, const char *src, void *dst)
 
 int win32_poll(struct pollfd *fds, unsigned int nfds, int timo)
 {
-	struct timeval timeout, *toptr;
+	SELECT_TIMEVAL_TYPE timeout, *toptr;
 	fd_set ifds, ofds, efds, *ip, *op;
 	unsigned int i;
 	int rc;
@@ -142,10 +144,12 @@ int win32_poll(struct pollfd *fds, unsigned int nfds, int timo)
 #define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
 #endif
 
+#ifndef HAVE_TIMEZONE_TZ_DSTTIME
 struct timezone {
 	int tz_minuteswest; /* minutes W of Greenwich */
 	int tz_dsttime; /* type of dst correction */
 };
+#endif
 
 int win32_gettimeofday(struct timeval *tv, struct timezone *tz)
 {
@@ -169,7 +173,11 @@ int win32_gettimeofday(struct timeval *tv, struct timezone *tz)
 
 	if (NULL != tz) {
 		if (!tzflag) {
+#ifdef HAVE_TZSET
+                        tzset();
+#else
 			_tzset();
+#endif
 			tzflag++;
 		}
 		tz->tz_minuteswest = _timezone / 60;

win32/win32_compat.h

@@ -25,9 +25,6 @@ THE SOFTWARE.
 #ifndef win32_COMPAT_H_
 #define win32_COMPAT_H_
 
-#ifdef _WIN32
-#define NO_IPv6 1
-
 #include <winsock2.h>
 #include <ws2tcpip.h>
 #include <ws2ipdef.h>
@@ -98,7 +95,6 @@ ssize_t win32_writev(int fd, const struct iovec *iov, int iovcnt);
 ssize_t win32_readv(int fd, const struct iovec *iov, int iovcnt);
 int     win32_dup2(int oldfd, int newfd);
 
-#define inline
+#define inline __inline__
 
-#endif // _WIN32
 #endif // win32_COMPAT_H_