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authorRoland McGrath <roland@gnu.org>1996-02-19 23:34:46 +0000
committerRoland McGrath <roland@gnu.org>1996-02-19 23:34:46 +0000
commitf2e235b9b807706f12636b1d194a61c14e400e65 (patch)
tree8f8efd0b565cf99d77144dce7f9eb649fffe1dd8 /time/private.h
parent0ddc0d16048d02a98a8a26a1c3e1ab05197d4174 (diff)
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Mon Feb 19 18:31:59 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu>cvs/libc-960222cvs/libc-960221cvs/libc-960220
* time/zic.c, time/scheck.c, time/private.h, time/tzfile.h: Updated from ADO 96d.
Diffstat (limited to 'time/private.h')
-rw-r--r--time/private.h24
1 files changed, 19 insertions, 5 deletions
diff --git a/time/private.h b/time/private.h
index 651a6f1..6ab33c0 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 */
/*