* win32/win32.c, include/ruby/win32.h (ustatfs): implementation of

  statfs(2) clone. [EXPERIMENTAL]

* file.c (rb_io_statfs): use above function.

* configure.in, win32/Makefile.sub (struct statfs): available.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45672 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 48 insertions, 0 deletions

diff --git a/win32/win32.c b/win32/win32.c
index 79519aab67..f8b2ff0b16 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -5865,6 +5865,54 @@ rb_w32_pipe(int fds[2])
 }
 
 /* License: Ruby's */
+int
+ustatfs(const char *path, struct statfs *buf)
+{
+    WCHAR *wpath = utf8_to_wstr(path, NULL);
+    WCHAR root[MAX_PATH], system[8];
+    DWORD serial, spc, bps, unused, total;
+    char *tmp;
+
+    if (!wpath) {
+	return -1;
+    }
+
+    if (!GetVolumePathNameW(wpath, root, sizeof(root) / sizeof(WCHAR))) {
+	free(wpath);
+	errno = map_errno(GetLastError());
+	return -1;
+    }
+    free(wpath);
+
+    if (!GetVolumeInformationW(root, NULL, 0, &serial, NULL, NULL,
+			       system, sizeof(system) / sizeof(WCHAR))) {
+	errno = map_errno(GetLastError());
+	return -1;
+    }
+
+    if (!GetDiskFreeSpaceW(root, &spc, &bps, &unused, &total)) {
+	errno = map_errno(GetLastError());
+	return -1;
+    }
+
+    tmp = wstr_to_filecp(system, NULL);
+    if (!tmp) {
+	return -1;
+    }
+    strlcpy(buf->f_fstypename, tmp, sizeof(buf->f_fstypename));
+    free(tmp);
+
+    buf->f_type = 0;
+    buf->f_bsize = (uint64_t)spc * bps;
+    buf->f_blocks = total;
+    buf->f_bfree = buf->f_bavail = unused;
+    buf->f_files = buf->f_ffree = 0;
+    buf->f_fsid = serial;
+
+    return 0;
+}
+
+/* License: Ruby's */
 static int
 console_emulator_p(void)
 {