bsd-statvfs: include sys/vfs.h, check for f_flags.

configure.ac

@@ -409,6 +409,7 @@ AC_CHECK_HEADERS([ \
 	sys/sysmacros.h \
 	sys/time.h \
 	sys/timers.h \
+	sys/vfs.h \
 	time.h \
 	tmpdir.h \
 	ttyent.h \
@@ -3659,6 +3660,23 @@ AC_CHECK_TYPES([fsblkcnt_t, fsfilcnt_t], , , [
 #endif
 ])
 
+AC_CHECK_MEMBERS([struct statfs.f_flags], [], [], [[
+#include <sys/types.h>
+#ifdef HAVE_SYS_BITYPES_H
+#include <sys/bitypes.h>
+#endif
+#ifdef HAVE_SYS_STATFS_H
+#include <sys/statfs.h>
+#endif
+#ifdef HAVE_SYS_STATVFS_H
+#include <sys/statvfs.h>
+#endif
+#ifdef HAVE_SYS_VFS_H
+#include <sys/vfs.h>
+#endif
+]])
+
+
 AC_CHECK_TYPES([in_addr_t, in_port_t], , ,
 [#include <sys/types.h>
 #include <netinet/in.h>])

openbsd-compat/bsd-statvfs.c

@@ -25,6 +25,10 @@
 
 #include <errno.h>
 
+#ifndef MNAMELEN
+# define MNAMELEN 32
+#endif
+
 static void
 copy_statfs_to_statvfs(struct statvfs *to, struct statfs *from)
 {
@@ -37,7 +41,11 @@ copy_statfs_to_statvfs(struct statvfs *to, struct statfs *from)
 	to->f_ffree = from->f_ffree;
 	to->f_favail = from->f_ffree;	/* no exact equivalent */
 	to->f_fsid = 0;			/* XXX fix me */
+#ifdef HAVE_STRUCT_STATFS_F_FLAGS
 	to->f_flag = from->f_flags;
+#else
+	to->f_flag = 0;
+#endif
 	to->f_namemax = MNAMELEN;
 }
 

openbsd-compat/bsd-statvfs.h

@@ -26,6 +26,9 @@
 #ifdef HAVE_SYS_STATFS_H
 #include <sys/statfs.h>
 #endif
+#ifdef HAVE_SYS_VFS_H
+#include <sys/vfs.h>
+#endif
 
 #ifndef HAVE_FSBLKCNT_T
 typedef unsigned long fsblkcnt_t;