Change #ifdef _WIN32 checks into #ifdef HAVE_.*

It is recommended to test a HAVE_* macro instead of directly testing the
host type in source code. Hence this patch.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

7 files changed, 22 insertions, 9 deletions

diff --git a/configure.ac b/configure.ac
index fc094b7..f0ed5f6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -116,6 +116,7 @@ AC_CHECK_HEADERS(m4_flatten([
 	sys/acl.h
 	sys/ioctl.h
 	sys/mount.h
+	sys/stat.h
 	sys/syscall.h
 	sys/sysmacros.h
 	sys/utsname.h
@@ -138,6 +139,7 @@ AC_CHECK_FUNCS_ONCE([
 	fsetxattr
 	fstat
 	fstat64
+	fsync
 	getgid
 	getmntent
 	getuid
diff --git a/lib/libf2fs.c b/lib/libf2fs.c
index 8bec68c..63d07f2 100644
--- a/lib/libf2fs.c
+++ b/lib/libf2fs.c
@@ -22,8 +22,10 @@
 #endif
 #include <time.h>
 #include <sys/stat.h>
-#ifndef _WIN32
+#ifdef HAVE_SYS_MOUNT_H
 #include <sys/mount.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
 #include <sys/ioctl.h>
 #endif
 #ifdef HAVE_SYS_SYSMACROS_H
diff --git a/lib/libf2fs_io.c b/lib/libf2fs_io.c
index 2871993..09a6892 100644
--- a/lib/libf2fs_io.c
+++ b/lib/libf2fs_io.c
@@ -23,9 +23,13 @@
 #include <mntent.h>
 #endif
 #include <time.h>
-#ifndef _WIN32
+#ifdef HAVE_SYS_STAT_H
 #include <sys/stat.h>
+#endif
+#ifdef HAVE_SYS_MOUNT_H
 #include <sys/mount.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
 #include <sys/ioctl.h>
 #endif
 #ifdef HAVE_LINUX_HDREG_H
@@ -634,7 +638,7 @@ int dev_reada_block(__u64 blk_addr)
 
 int f2fs_fsync_device(void)
 {
-#ifndef _WIN32
+#ifdef HAVE_FSYNC
 	int i;
 
 	for (i = 0; i < c.ndevs; i++) {
@@ -783,7 +787,7 @@ int f2fs_finalize_device(void)
 	 * in the block device page cache.
 	 */
 	for (i = 0; i < c.ndevs; i++) {
-#ifndef _WIN32
+#ifdef HAVE_FSYNC
 		ret = fsync(c.devices[i].fd);
 		if (ret < 0) {
 			MSG(0, "\tError: Could not conduct fsync!!!\n");
diff --git a/lib/libf2fs_zoned.c b/lib/libf2fs_zoned.c
index 2dfed79..c5c6dde 100644
--- a/lib/libf2fs_zoned.c
+++ b/lib/libf2fs_zoned.c
@@ -22,7 +22,7 @@
 #ifdef HAVE_LINUX_LIMITS_H
 #include <linux/limits.h>
 #endif
-#ifndef _WIN32
+#ifdef HAVE_SYS_IOCTL_H
 #include <sys/ioctl.h>
 #endif
 #include <libgen.h>
diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c
index 6f2761c..ce7d1c9 100644
--- a/mkfs/f2fs_format.c
+++ b/mkfs/f2fs_format.c
@@ -13,8 +13,10 @@
 #include <fcntl.h>
 #include <string.h>
 #include <unistd.h>
-#ifndef _WIN32
+#ifdef HAVE_SYS_STAT_H
 #include <sys/stat.h>
+#endif
+#ifdef HAVE_SYS_MOUNT_H
 #include <sys/mount.h>
 #endif
 #include <time.h>
diff --git a/mkfs/f2fs_format_main.c b/mkfs/f2fs_format_main.c
index 4d4fad9..b8936f1 100644
--- a/mkfs/f2fs_format_main.c
+++ b/mkfs/f2fs_format_main.c
@@ -15,7 +15,7 @@
 #include <stdbool.h>
 #include <unistd.h>
 #include <sys/stat.h>
-#ifndef _WIN32
+#ifdef HAVE_SYS_MOUNT_H
 #include <sys/mount.h>
 #endif
 #include <time.h>
diff --git a/mkfs/f2fs_format_utils.c b/mkfs/f2fs_format_utils.c
index 53101d1..e3c5893 100644
--- a/mkfs/f2fs_format_utils.c
+++ b/mkfs/f2fs_format_utils.c
@@ -26,7 +26,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <stdbool.h>
-#ifndef _WIN32
+#ifdef HAVE_SYS_IOCTL_H
 #include <sys/ioctl.h>
 #endif
 #include <sys/stat.h>
@@ -39,16 +39,19 @@
 #include <linux/falloc.h>
 #endif
 
+#ifdef __linux__
 #ifndef BLKDISCARD
 #define BLKDISCARD	_IO(0x12,119)
 #endif
 #ifndef BLKSECDISCARD
 #define BLKSECDISCARD	_IO(0x12,125)
 #endif
+#endif
 
 static int trim_device(int i)
 {
-#ifndef _WIN32
+#if defined(FALLOC_FL_PUNCH_HOLE) || defined(BLKDISCARD) || \
+	defined(BLKSECDISCARD)
 	unsigned long long range[2];
 	struct stat *stat_buf;
 	struct device_info *dev = c.devices + i;