import winsup-2000-02-17 snapshot

1 files changed, 110 insertions, 0 deletions

diff --git a/winsup/mingw/include/limits.h b/winsup/mingw/include/limits.h
new file mode 100644
index 0000000..9bd3aab
--- /dev/null
+++ b/winsup/mingw/include/limits.h
@@ -0,0 +1,110 @@
+/* 
+ * limits.h
+ *
+ * Defines constants for the sizes of integral types.
+ *
+ * NOTE: GCC should supply a version of this header and it should be safe to
+ *       use that version instead of this one (maybe safer).
+ *
+ * This file is part of the Mingw32 package.
+ *
+ * Contributors:
+ *  Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
+ *
+ *  THIS SOFTWARE IS NOT COPYRIGHTED
+ *
+ *  This source code is offered for use in the public domain. You may
+ *  use, modify or distribute it freely.
+ *
+ *  This code is distributed in the hope that it will be useful but
+ *  WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
+ *  DISCLAMED. This includes but is not limited to warranties of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * $Revision$
+ * $Author$
+ * $Date$
+ *
+ */
+
+#ifndef _LIMITS_H_
+#define _LIMITS_H_
+
+/* All the headers include this file. */
+#include <_mingw.h>
+
+/*
+ * File system limits
+ *
+ * TODO: NAME_MAX and OPEN_MAX are file system limits or not? Are they the
+ *       same as FILENAME_MAX and FOPEN_MAX from stdio.h?
+ * NOTE: Apparently the actual size of PATH_MAX is 260, but a space is
+ *       required for the NUL. TODO: Test?
+ */
+#define PATH_MAX	(259)
+
+/*
+ * Characteristics of the char data type.
+ *
+ * TODO: Is MB_LEN_MAX correct?
+ */
+#define CHAR_BIT	8
+#define MB_LEN_MAX	2
+
+#define SCHAR_MIN	(-128)
+#define SCHAR_MAX	127
+
+#define UCHAR_MAX	255
+
+/* TODO: Is this safe? I think it might just be testing the preprocessor,
+ *       not the compiler itself... */
+#if	('\x80' < 0)
+#define CHAR_MIN	SCHAR_MIN
+#define CHAR_MAX	SCHAR_MAX
+#else
+#define CHAR_MIN	0
+#define CHAR_MAX	UCHAR_MAX
+#endif
+
+/*
+ * Maximum and minimum values for ints.
+ */
+#define INT_MAX		2147483647
+#define INT_MIN		(-INT_MAX-1)
+
+#define UINT_MAX	0xffffffff
+
+/*
+ * Maximum and minimum values for shorts.
+ */
+#define SHRT_MAX	32767
+#define SHRT_MIN	(-SHRT_MAX-1)
+
+#define USHRT_MAX	0xffff
+
+/*
+ * Maximum and minimum values for longs and unsigned longs.
+ *
+ * TODO: This is not correct for Alphas, which have 64 bit longs.
+ */
+#define LONG_MAX	2147483647L
+
+#define LONG_MIN	(-LONG_MAX-1)
+
+#define ULONG_MAX	0xffffffffUL
+
+
+/*
+ * The GNU C compiler also allows 'long long int'
+ */
+#if	!defined(__STRICT_ANSI__) && defined(__GNUC__)
+
+#define LONG_LONG_MAX	9223372036854775807LL
+#define LONG_LONG_MIN	(-LONG_LONG_MAX-1)
+
+#define ULONG_LONG_MAX	(2ULL * LONG_LONG_MAX + 1)
+
+#endif /* Not Strict ANSI and GNU C compiler */
+
+
+#endif /* not _LIMITS_H_ */