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authorpatacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679>2012-07-05 23:45:57 +0000
committerpatacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679>2012-07-05 23:45:57 +0000
commitccf95c8af09a73cb4e6d8fff3975654c35c20e0d (patch)
tree5e97e5b83d816176a3ac9d85f01119ac040b91ca /nuttx/arch/arm/include
parentad9765176bb908d9a6745a42467fb0f51383cc22 (diff)
Change all values in all limits.h for all architectures to signed decimal; the hex values were not sign extending appropriate in most uses
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4911 7fd9a85b-ad96-42d3-883c-3090e2eb8679
Diffstat (limited to 'nuttx/arch/arm/include')
-rw-r--r--nuttx/arch/arm/include/limits.h45
1 files changed, 25 insertions, 20 deletions
diff --git a/nuttx/arch/arm/include/limits.h b/nuttx/arch/arm/include/limits.h
index c2033dd94c..12c92f6cfc 100644
--- a/nuttx/arch/arm/include/limits.h
+++ b/nuttx/arch/arm/include/limits.h
@@ -1,8 +1,8 @@
/****************************************************************************
* arch/arm/include/limits.h
*
- * Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ * Copyright (C) 2007-2009, 2012 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -45,37 +45,42 @@
****************************************************************************/
#define CHAR_BIT 8
-#define SCHAR_MIN 0x80
-#define SCHAR_MAX 0x7f
-#define UCHAR_MAX 0xff
+#define SCHAR_MIN (-128)
+#define SCHAR_MAX 127
+#define UCHAR_MAX 255
/* These could be different on machines where char is unsigned */
+#ifdef __CHAR_UNSIGNED__
+#define CHAR_MIN 0
+#define CHAR_MAX UCHAR_MAX
+#else
#define CHAR_MIN SCHAR_MIN
#define CHAR_MAX SCHAR_MAX
+#endif
-#define SHRT_MIN 0x8000
-#define SHRT_MAX 0x7fff
-#define USHRT_MAX 0xffff
+#define SHRT_MIN (-32768)
+#define SHRT_MAX 32767
+#define USHRT_MAX 65535
-#define INT_MIN 0x80000000
-#define INT_MAX 0x7fffffff
-#define UINT_MAX 0xffffffff
+#define INT_MIN (-2147483648)
+#define INT_MAX 2147483647
+#define UINT_MAX 4294967295
/* These change on 32-bit and 64-bit platforms */
-#define LONG_MAX 0x80000000
-#define LONG_MIN 0x7fffffff
-#define ULONG_MAX 0xffffffff
+#define LONG_MIN (-2147483648L)
+#define LONG_MAX 2147483647L
+#define ULONG_MAX 4294967295UL
-#define LLONG_MAX 0x8000000000000000
-#define LLONG_MIN 0x7fffffffffffffff
-#define ULLONG_MAX 0xffffffffffffffff
+#define LLONG_MIN (-9223372036854775808LL)
+#define LLONG_MAX 9223372036854775807LL
+#define ULLONG_MAX 18446744073709551615ULL
/* A pointer is 4 bytes */
-#define PTR_MIN 0x80000000
-#define PTR_MAX 0x7fffffff
-#define UPTR_MAX 0xffffffff
+#define PTR_MIN (-2147483648)
+#define PTR_MAX 2147483647
+#define UPTR_MAX 4294967295
#endif /* __ARCH_ARM_INCLUDE_LIMITS_H */