diff options
Diffstat (limited to 'time/private.h')
| -rw-r--r-- | time/private.h | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/time/private.h b/time/private.h index 651a6f1b56..6ab33c0d31 100644 --- a/time/private.h +++ b/time/private.h @@ -16,7 +16,7 @@ #ifndef lint #ifndef NOID -static char privatehid[] = "@(#)private.h 7.33"; +static char privatehid[] = "@(#)private.h 7.39"; #endif /* !defined NOID */ #endif /* !defined lint */ @@ -37,6 +37,10 @@ static char privatehid[] = "@(#)private.h 7.33"; #define HAVE_UNISTD_H 1 #endif /* !defined HAVE_UNISTD_H */ +#ifndef HAVE_UTMPX_H +#define HAVE_UTMPX_H 0 +#endif /* !defined HAVE_UTMPX_H */ + #ifndef LOCALE_HOME #define LOCALE_HOME "/usr/lib/locale" #endif /* !defined LOCALE_HOME */ @@ -47,7 +51,6 @@ static char privatehid[] = "@(#)private.h 7.33"; #include "sys/types.h" /* for time_t */ #include "stdio.h" -#include "ctype.h" #include "errno.h" #include "string.h" #include "limits.h" /* for CHAR_BIT */ @@ -67,6 +70,9 @@ static char privatehid[] = "@(#)private.h 7.33"; #endif /* !defined R_OK */ #endif /* !(HAVE_UNISTD_H - 0) */ +/* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */ +#define is_digit(c) ((unsigned)(c) - '0' <= 9) + /* ** Workarounds for compilers/systems. */ @@ -152,15 +158,23 @@ 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. -** Subtract one for the sign bit; +** Subtract one for the sign bit if the type is signed; ** add one for integer division truncation; -** add one more for a minus sign. +** add one more for a minus sign if the type is signed. */ #define INT_STRLEN_MAXIMUM(type) \ - ((sizeof(type) * CHAR_BIT - 1) * 302 / 1000 + 2) + ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 100 + 1 + TYPE_SIGNED(type)) #endif /* !defined INT_STRLEN_MAXIMUM */ /* |