[U-Boot] [PATCH 1/4] Add limits.h to hold basic limits

Simon Glass
2011-09-23T17:38:49Z

This brings a basic limits.h implementation into U-Boot.

Signed-off-by: Simon Glass <sjg@chromium.org>
---
fs/ubifs/ubifs.h | 4 +---
include/limits.h | 40 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 41 insertions(+), 3 deletions(-)
create mode 100644 include/limits.h

diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 0af471a..e7b6e43 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -311,9 +311,7 @@ struct file {
#define MAX_LFS_FILESIZE 0x7fffffffffffffffUL
#endif

-#define INT_MAX ((int)(~0U>>1))
-#define INT_MIN (-INT_MAX - 1)
-#define LLONG_MAX ((long long)(~0ULL>>1))
+#include <limits.h>

/*
* These are the fs-independent mount-flags: up to 32 flags are supported
diff --git a/include/limits.h b/include/limits.h
new file mode 100644
index 0000000..1021291
--- /dev/null
+++ b/include/limits.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __LIMITS_H
+#define __LIMITS_H
+
+/* Keep all our limits in one place */
+
+#define USHRT_MAX ((u16)(~0U))
+#define SHRT_MAX ((s16)(USHRT_MAX>>1))
+#define SHRT_MIN ((s16)(-SHRT_MAX - 1))
+#define INT_MAX ((int)(~0U>>1))
+#define INT_MIN (-INT_MAX - 1)
+#define UINT_MAX (~0U)
+#define LONG_MAX ((long)(~0UL>>1))
+#define LONG_MIN (-LONG_MAX - 1)
+#define ULONG_MAX (~0UL)
+#define LLONG_MAX ((long long)(~0ULL>>1))
+#define LLONG_MIN (-LLONG_MAX - 1)
+#define ULLONG_MAX (~0ULL)
+
+#endif
--
1.7.3.1