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reworked to ensure definitions

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SCCS-file: private.h
SCCS-SID: 7.37
This commit is contained in:
Arthur David Olson
2012-07-18 03:02:21 -04:00
committed by Paul Eggert
parent 2e5ca8e77c
commit 3b828d006e
1 changed files with 8 additions and 2 deletions
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private.h
+8 -2
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@@ -154,6 +154,14 @@ extern int unlink P((const char * filename));
#define FALSE 0
#endif /* !defined FALSE */
#ifndef TYPE_BIT
#define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
#endif /* !defined TYPE_BIT */
#ifndef TYPE_SIGNED
#define TYPE_SIGNED(type) (((type) -1) < 0)
#endif /* !defined TYPE_SIGNED */
#ifndef INT_STRLEN_MAXIMUM
/*
** 302 / 1000 is log10(2.0) rounded up.
@@ -161,8 +169,6 @@ extern int unlink P((const char * filename));
** add one for integer division truncation;
** add one more for a minus sign if the type is signed.
*/
#define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
#define TYPE_SIGNED(type) (((type) -1) < 0)
#define INT_STRLEN_MAXIMUM(type) \
((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 100 + 1 + TYPE_SIGNED(type))
#endif /* !defined INT_STRLEN_MAXIMUM */