Re-add FreeBSD support.

Tested on FreeBSD 5.2-CURRENT as of 2003-12-28.
Tested on FreeBSD 4.9-STABLE  as of 2003-12-27.

configure.in

@@ -569,7 +569,7 @@ if test $cross_compiling = no; then
 else
   AC_CHECK_PROGS(BUILD_CC, gcc cc)
 fi
-AC_CHECK_HEADERS(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)
+AC_CHECK_HEADERS(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/disk.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)
 AC_FUNC_VPRINTF
 dnl Check to see if dirent has member d_reclen. On cygwin those d_reclen
 dnl is not decleared.

e2fsck/journal.c

@@ -13,6 +13,7 @@
  */
 
 #ifdef HAVE_SYS_MOUNT_H
+#include <sys/param.h>
 #include <sys/mount.h>
 #define MNT_FL (MS_MGC_VAL | MS_RDONLY)
 #endif

lib/ext2fs/flushb.c

@@ -21,6 +21,7 @@
 #include <sys/ioctl.h>
 #endif
 #if HAVE_SYS_MOUNT_H
+#include <sys/param.h>
 #include <sys/mount.h>		/* This may define BLKFLSBUF */
 #endif
 

lib/ext2fs/getsize.c

@@ -28,9 +28,14 @@
 #include <linux/fd.h>
 #endif
 #ifdef HAVE_SYS_DISKLABEL_H
+#include <sys/param.h> /* for __FreeBSD_version */
 #include <sys/ioctl.h>
 #include <sys/disklabel.h>
 #endif /* HAVE_SYS_DISKLABEL_H */
+#ifdef HAVE_SYS_DISK_H
+#include <sys/queue.h> /* for LIST_HEAD */
+#include <sys/disk.h>
+#endif /* HAVE_SYS_DISK_H */
 
 #if defined(__linux__) && defined(_IO) && !defined(BLKGETSIZE)
 #define BLKGETSIZE _IO(0x12,96)	/* return device size */
@@ -147,6 +152,8 @@ errcode_t ext2fs_get_device_size(const char *file, int blocksize,
 	}
 #endif
 #ifdef HAVE_SYS_DISKLABEL_H
+#if defined(__FreeBSD__) && __FreeBSD_version < 500040
+	/* old disklabel interface */
 	part = strlen(file) - 1;
 	if (part >= 0) {
 		ch = file[part];
@@ -165,6 +172,16 @@ errcode_t ext2fs_get_device_size(const char *file, int blocksize,
 			return 0;
 		}
 	}
+#else /* __FreeBSD_version < 500040 */
+	{
+	    off_t ms;
+	    u_int bs;
+	    if (ioctl(fd, DIOCGMEDIASIZE, &ms) >= 0) {
+		*retblocks = ms / blocksize;
+		return 0;
+	    }
+	}
+#endif /* __FreeBSD_version < 500040 */
 #endif /* HAVE_SYS_DISKLABEL_H */
 
 	/*

lib/ext2fs/unix_io.c

@@ -85,6 +85,12 @@ static errcode_t unix_write_byte(io_channel channel, unsigned long offset,
 static void reuse_cache(io_channel channel, struct unix_private_data *data,
 		 struct unix_cache *cache, unsigned long block);
 
+#if defined(__CYGWIN__) || defined(__FreeBSD__)
+#define NEED_BOUNCE_BUFFER
+#else
+#undef NEED_BOUNCE_BUFFER
+#endif
+
 static struct struct_io_manager struct_unix_manager = {
 	EXT2_ET_MAGIC_IO_MANAGER,
 	"Unix I/O Manager",
@@ -94,7 +100,7 @@ static struct struct_io_manager struct_unix_manager = {
 	unix_read_blk,
 	unix_write_blk,
 	unix_flush,
-#ifdef __CYGWIN__
+#ifdef NEED_BOUNCE_BUFFER
 	0
 #else
 	unix_write_byte
@@ -106,7 +112,7 @@ io_manager unix_io_manager = &struct_unix_manager;
 /*
  * Here are the raw I/O functions
  */
-#ifndef __CYGWIN__
+#ifndef NEED_BOUNCE_BUFFER
 static errcode_t raw_read_blk(io_channel channel,
 			      struct unix_private_data *data,
 			      unsigned long block,
@@ -139,9 +145,9 @@ error_out:
 					       size, actual, retval);
 	return retval;
 }
-#else /* __CYGWIN__ */
+#else /* NEED_BOUNCE_BUFFER */
 /*
- * Windows block devices only allow sector alignment IO in offset and size
+ * Windows and FreeBSD block devices only allow sector alignment IO in offset and size
  */
 static errcode_t raw_read_blk(io_channel channel,
 			      struct unix_private_data *data,

misc/filefrag.c

@@ -9,6 +9,15 @@
  * %End-Header%
  */
 
+#ifndef __LINUX__
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+    fputs("This program is only supported on Linux!\n", stderr);
+    exit(EXIT_FAILURE);
+}
+#else
 #define _LARGEFILE64_SOURCE
 
 #include <stdio.h>
@@ -158,6 +167,4 @@ int main(int argc, char**argv)
 	}
 	return 0;
 }
-
+#endif
-
-	

misc/util.c

@@ -97,7 +97,13 @@ void check_plausibility(const char *device)
 				"did you specify it correctly?\n"), stderr);
 		exit(1);
 	}
-	if (!S_ISBLK(s.st_mode)) {
+#ifdef __FreeBSD__
+	/* On FreeBSD, all disk devices are character specials */
+	if (!S_ISBLK(s.st_mode) && !S_ISCHR(s.st_mode))
+#else
+	if (!S_ISBLK(s.st_mode))
+#endif
+	{
 		printf(_("%s is not a block special device.\n"), device);
 		proceed_question();
 		return;