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(TYPE_SIGNED): Remove.

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(INT_STRLEN_BOUND): Don't use TYPE_SIGNED; that way, the macro works
for either a type or an object.
This commit is contained in:
Paul Eggert 2002-09-22 07:52:26 +00:00
parent d8c6a49f1a
commit 2b39a9397d
1 changed files with 2 additions and 5 deletions
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7
lib/inttostr.h
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@ -1,6 +1,6 @@
/* inttostr.h -- convert integers to printable strings
Copyright (C) 2001 Free Software Foundation, Inc.
Copyright (C) 2001, 2002 Free Software Foundation, Inc.
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
@ -37,13 +37,10 @@
# include <sys/types.h>
#endif
#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
/* Upper bound on the string length of an integer converted to string.
302 / 1000 is ceil (log10 (2.0)). Subtract 1 for the sign bit;
add 1 for integer division truncation; add 1 more for a minus sign. */
#define INT_STRLEN_BOUND(t) \
((sizeof (t) * CHAR_BIT - TYPE_SIGNED (t)) * 302 / 1000 + 1 + TYPE_SIGNED (t))
#define INT_STRLEN_BOUND(t) ((sizeof (t) * CHAR_BIT - 1) * 302 / 1000 + 2)
#define INT_BUFSIZE_BOUND(t) (INT_STRLEN_BOUND (t) + 1)