8087288: File.get{Free,Total,Usable}Space may return unexpected results with >2TB file systems
Summary: On Mac OS X replace statvfs64() and struct statvfs64 with statfs() and struct statfs, respectively, and f_frsize with f_bsize.
Reviewed-by: alanb
--- a/jdk/src/java.base/unix/native/libjava/UnixFileSystem_md.c Fri Jun 12 16:40:05 2015 -0400
+++ b/jdk/src/java.base/unix/native/libjava/UnixFileSystem_md.c Fri Jun 12 17:05:26 2015 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -27,7 +27,12 @@
#include <sys/types.h>
#include <sys/time.h>
#include <sys/stat.h>
+#ifdef MACOSX
+#include <sys/param.h>
+#include <sys/mount.h>
+#else
#include <sys/statvfs.h>
+#endif
#include <string.h>
#include <stdlib.h>
#include <dlfcn.h>
@@ -46,8 +51,10 @@
#define dirent64 dirent
#define readdir64_r readdir_r
#define stat64 stat
+#ifndef MACOSX
#define statvfs64 statvfs
#endif
+#endif
/* -- Field IDs -- */
@@ -432,8 +439,32 @@
jlong rv = 0L;
WITH_FIELD_PLATFORM_STRING(env, file, ids.path, path) {
+#ifdef MACOSX
+ struct statfs fsstat;
+#else
struct statvfs64 fsstat;
+#endif
memset(&fsstat, 0, sizeof(fsstat));
+#ifdef MACOSX
+ if (statfs(path, &fsstat) == 0) {
+ switch(t) {
+ case java_io_FileSystem_SPACE_TOTAL:
+ rv = jlong_mul(long_to_jlong(fsstat.f_bsize),
+ long_to_jlong(fsstat.f_blocks));
+ break;
+ case java_io_FileSystem_SPACE_FREE:
+ rv = jlong_mul(long_to_jlong(fsstat.f_bsize),
+ long_to_jlong(fsstat.f_bfree));
+ break;
+ case java_io_FileSystem_SPACE_USABLE:
+ rv = jlong_mul(long_to_jlong(fsstat.f_bsize),
+ long_to_jlong(fsstat.f_bavail));
+ break;
+ default:
+ assert(0);
+ }
+ }
+#else
if (statvfs64(path, &fsstat) == 0) {
switch(t) {
case java_io_FileSystem_SPACE_TOTAL:
@@ -452,6 +483,7 @@
assert(0);
}
}
+#endif
} END_PLATFORM_STRING(env, path);
return rv;
}