summaryrefslogtreecommitdiff
path: root/lib/intprops.h
diff options
context:
space:
mode:
authorPaul Eggert <eggert@cs.ucla.edu>2011-05-08 11:53:53 -0700
committerPaul Eggert <eggert@cs.ucla.edu>2011-05-08 12:29:51 -0700
commitf40658a31e78e4a7d1214b3b517c0f1e70017e85 (patch)
treeb58a91049b819e1b779102f4d111ea3bc5884210 /lib/intprops.h
parent2a040786f2832f9bca07957be08e2870c6fd4c9d (diff)
downloadgnulib-f40658a31e78e4a7d1214b3b517c0f1e70017e85.tar.gz
intprops: switch to usual gnulib indenting and naming
* lib/intprops.h (_GL_INTPROPS_H): Rename from GL_INTPROPS_H. (_GL_SIGNED_TYPE_OR_EXPR): Rename from signed_type_or_expr__. * tests/test-inttostr.c (IS_TIGHT): Adjust to above renaming.
Diffstat (limited to 'lib/intprops.h')
-rw-r--r--lib/intprops.h58
1 files changed, 29 insertions, 29 deletions
diff --git a/lib/intprops.h b/lib/intprops.h
index 58b1b3fbf4..a654333941 100644
--- a/lib/intprops.h
+++ b/lib/intprops.h
@@ -17,70 +17,70 @@
/* Written by Paul Eggert. */
-#ifndef GL_INTPROPS_H
-# define GL_INTPROPS_H
+#ifndef _GL_INTPROPS_H
+#define _GL_INTPROPS_H
-# include <limits.h>
+#include <limits.h>
/* The extra casts in the following macros work around compiler bugs,
e.g., in Cray C 5.0.3.0. */
/* True if the arithmetic type T is an integer type. bool counts as
an integer. */
-# define TYPE_IS_INTEGER(t) ((t) 1.5 == 1)
+#define TYPE_IS_INTEGER(t) ((t) 1.5 == 1)
/* True if negative values of the signed integer type T use two's
complement, ones' complement, or signed magnitude representation,
respectively. Much GNU code assumes two's complement, but some
people like to be portable to all possible C hosts. */
-# define TYPE_TWOS_COMPLEMENT(t) ((t) ~ (t) 0 == (t) -1)
-# define TYPE_ONES_COMPLEMENT(t) ((t) ~ (t) 0 == 0)
-# define TYPE_SIGNED_MAGNITUDE(t) ((t) ~ (t) 0 < (t) -1)
+#define TYPE_TWOS_COMPLEMENT(t) ((t) ~ (t) 0 == (t) -1)
+#define TYPE_ONES_COMPLEMENT(t) ((t) ~ (t) 0 == 0)
+#define TYPE_SIGNED_MAGNITUDE(t) ((t) ~ (t) 0 < (t) -1)
/* True if the arithmetic type T is signed. */
-# define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
+#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
/* The maximum and minimum values for the integer type T. These
macros have undefined behavior if T is signed and has padding bits.
If this is a problem for you, please let us know how to fix it for
your host. */
-# define TYPE_MINIMUM(t) \
- ((t) (! TYPE_SIGNED (t) \
- ? (t) 0 \
- : TYPE_SIGNED_MAGNITUDE (t) \
- ? ~ (t) 0 \
+#define TYPE_MINIMUM(t) \
+ ((t) (! TYPE_SIGNED (t) \
+ ? (t) 0 \
+ : TYPE_SIGNED_MAGNITUDE (t) \
+ ? ~ (t) 0 \
: ~ TYPE_MAXIMUM (t)))
-# define TYPE_MAXIMUM(t) \
- ((t) (! TYPE_SIGNED (t) \
- ? (t) -1 \
+#define TYPE_MAXIMUM(t) \
+ ((t) (! TYPE_SIGNED (t) \
+ ? (t) -1 \
: ((((t) 1 << (sizeof (t) * CHAR_BIT - 2)) - 1) * 2 + 1)))
/* Return zero if T can be determined to be an unsigned type.
Otherwise, return 1.
When compiling with GCC, INT_STRLEN_BOUND uses this macro to obtain a
tighter bound. Otherwise, it overestimates the true bound by one byte
- when applied to unsigned types of size 2, 4, 16, ... bytes.
- The symbol signed_type_or_expr__ is private to this header file. */
-# if __GNUC__ >= 2
-# define signed_type_or_expr__(t) TYPE_SIGNED (__typeof__ (t))
-# else
-# define signed_type_or_expr__(t) 1
-# endif
+ when applied to unsigned types of size 2, 4, 16, ... bytes. */
+#if __GNUC__ >= 2
+# define _GL_SIGNED_TYPE_OR_EXPR(t) TYPE_SIGNED (__typeof__ (t))
+#else
+# define _GL_SIGNED_TYPE_OR_EXPR(t) 1
+#endif
/* Bound on length of the string representing an unsigned integer
value representable in B bits. log10 (2.0) < 146/485. The
smallest value of B where this bound is not tight is 2621. */
-# define INT_BITS_STRLEN_BOUND(b) (((b) * 146 + 484) / 485)
+#define INT_BITS_STRLEN_BOUND(b) (((b) * 146 + 484) / 485)
/* Bound on length of the string representing an integer type or expression T.
Subtract 1 for the sign bit if T is signed, and then add 1 more for
a minus sign if needed. */
-# define INT_STRLEN_BOUND(t) \
- (INT_BITS_STRLEN_BOUND (sizeof (t) * CHAR_BIT - signed_type_or_expr__ (t)) \
- + signed_type_or_expr__ (t))
+#define INT_STRLEN_BOUND(t) \
+ (INT_BITS_STRLEN_BOUND (sizeof (t) * CHAR_BIT \
+ - _GL_SIGNED_TYPE_OR_EXPR (t)) \
+ + _GL_SIGNED_TYPE_OR_EXPR (t))
/* Bound on buffer size needed to represent an integer type or expression T,
including the terminating null. */
-# define INT_BUFSIZE_BOUND(t) (INT_STRLEN_BOUND (t) + 1)
+#define INT_BUFSIZE_BOUND(t) (INT_STRLEN_BOUND (t) + 1)
-#endif /* GL_INTPROPS_H */
+#endif /* _GL_INTPROPS_H */