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Mon Feb 19 18:31:59 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu>
* time/zic.c, time/scheck.c, time/private.h, time/tzfile.h: Updated from ADO 96d.
This commit is contained in:
Roland McGrath
parent
0ddc0d1604
commit
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@ -1,3 +1,8 @@
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Mon Feb 19 18:31:59 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu>
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* time/zic.c, time/scheck.c, time/private.h, time/tzfile.h:
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Updated from ADO 96d.
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Sun Feb 18 14:08:04 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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* csu/initfini.c (_init): Remove bogus volatile declarations and
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@ -16,7 +16,7 @@
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#ifndef lint
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#ifndef NOID
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static char privatehid[] = "@(#)private.h 7.33";
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static char privatehid[] = "@(#)private.h 7.39";
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#endif /* !defined NOID */
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#endif /* !defined lint */
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@ -37,6 +37,10 @@ static char privatehid[] = "@(#)private.h 7.33";
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#define HAVE_UNISTD_H 1
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#endif /* !defined HAVE_UNISTD_H */
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#ifndef HAVE_UTMPX_H
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#define HAVE_UTMPX_H 0
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#endif /* !defined HAVE_UTMPX_H */
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#ifndef LOCALE_HOME
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#define LOCALE_HOME "/usr/lib/locale"
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#endif /* !defined LOCALE_HOME */
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@ -47,7 +51,6 @@ static char privatehid[] = "@(#)private.h 7.33";
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#include "sys/types.h" /* for time_t */
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#include "stdio.h"
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#include "ctype.h"
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#include "errno.h"
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#include "string.h"
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#include "limits.h" /* for CHAR_BIT */
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@ -67,6 +70,9 @@ static char privatehid[] = "@(#)private.h 7.33";
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#endif /* !defined R_OK */
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#endif /* !(HAVE_UNISTD_H - 0) */
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/* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */
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#define is_digit(c) ((unsigned)(c) - '0' <= 9)
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/*
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** Workarounds for compilers/systems.
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*/
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@ -152,15 +158,23 @@ extern int unlink P((const char * filename));
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#define FALSE 0
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#endif /* !defined FALSE */
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#ifndef TYPE_BIT
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#define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
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#endif /* !defined TYPE_BIT */
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#ifndef TYPE_SIGNED
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#define TYPE_SIGNED(type) (((type) -1) < 0)
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#endif /* !defined TYPE_SIGNED */
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#ifndef INT_STRLEN_MAXIMUM
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/*
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** 302 / 1000 is log10(2.0) rounded up.
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** Subtract one for the sign bit;
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** Subtract one for the sign bit if the type is signed;
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** add one for integer division truncation;
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** add one more for a minus sign.
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** add one more for a minus sign if the type is signed.
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*/
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#define INT_STRLEN_MAXIMUM(type) \
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((sizeof(type) * CHAR_BIT - 1) * 302 / 1000 + 2)
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((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 100 + 1 + TYPE_SIGNED(type))
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#endif /* !defined INT_STRLEN_MAXIMUM */
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/*
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@ -1,6 +1,6 @@
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#ifndef lint
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#ifndef NOID
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static char elsieid[] = "@(#)scheck.c 8.12";
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static char elsieid[] = "@(#)scheck.c 8.13";
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#endif /* !defined lint */
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#endif /* !defined NOID */
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@ -42,7 +42,7 @@ char * const format;
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*tp++ = '*';
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if (*fp == '*')
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++fp;
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while (isascii(*fp) && isdigit(*fp))
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while (is_digit(*fp))
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*tp++ = *fp++;
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if (*fp == 'l' || *fp == 'h')
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*tp++ = *fp++;
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@ -16,7 +16,7 @@
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#ifndef lint
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#ifndef NOID
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static char tzfilehid[] = "@(#)tzfile.h 7.6";
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static char tzfilehid[] = "@(#)tzfile.h 7.7";
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#endif /* !defined NOID */
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#endif /* !defined lint */
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@ -153,7 +153,7 @@ struct tzhead {
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** that will probably do.
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*/
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#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)
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#define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
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#ifndef USG
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108
time/zic.c
108
time/zic.c
@ -1,6 +1,6 @@
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#ifndef lint
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#ifndef NOID
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static char elsieid[] = "@(#)zic.c 7.50";
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static char elsieid[] = "@(#)zic.c 7.59";
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#endif /* !defined NOID */
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#endif /* !defined lint */
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@ -10,6 +10,19 @@ static char elsieid[] = "@(#)zic.c 7.50";
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#include "sys/stat.h" /* for umask manifest constants */
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#endif /* defined unix */
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/*
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** On some ancient hosts, predicates like `isspace(C)' are defined
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** only if isascii(C) || C == EOF. Modern hosts obey the C Standard,
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** which says they are defined only if C == ((unsigned char) C) || C == EOF.
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** Neither the C Standard nor Posix require that `isascii' exist.
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** For portability, we check both ancient and modern requirements.
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** If isascii is not defined, the isascii check succeeds trivially.
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*/
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#include "ctype.h"
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#ifndef isascii
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#define isascii(x) 1
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#endif
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struct rule {
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const char * r_filename;
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int r_linenum;
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@ -127,10 +140,8 @@ static int errors;
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static const char * filename;
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static int leapcnt;
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static int linenum;
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static int max_int;
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static time_t max_time;
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static int max_year;
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static int min_int;
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static time_t min_time;
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static int min_year;
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static int noise;
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@ -139,7 +150,6 @@ static int rlinenum;
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static const char * progname;
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static int timecnt;
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static int typecnt;
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static int tt_signed;
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/*
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** Line codes.
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@ -567,36 +577,42 @@ const char * const tofile;
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ifree(toname);
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}
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#ifndef INT_MAX
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#define INT_MAX ((int) (((unsigned)~0)>>1))
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#endif /* !defined INT_MAX */
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#ifndef INT_MIN
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#define INT_MIN ((int) ~(((unsigned)~0)>>1))
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#endif /* !defined INT_MIN */
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/*
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** The tz file format currently allows at most 32-bit quantities.
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** This restriction should be removed before signed 32-bit values
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** wrap around in 2038, but unfortunately this will require a
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** change to the tz file format.
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*/
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#define MAX_BITS_IN_FILE 32
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#define TIME_T_BITS_IN_FILE ((TYPE_BIT(time_t) < MAX_BITS_IN_FILE) ? \
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TYPE_BIT(time_t) : MAX_BITS_IN_FILE)
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static void
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setboundaries P((void))
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{
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register time_t bit;
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register int bii;
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for (bit = 1; bit > 0; bit <<= 1)
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continue;
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if (bit == 0) { /* time_t is an unsigned type */
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tt_signed = FALSE;
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min_time = 0;
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max_time = ~(time_t) 0;
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if (sflag)
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max_time >>= 1;
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} else {
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tt_signed = TRUE;
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min_time = bit;
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max_time = bit;
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++max_time;
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max_time = -max_time;
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if (TYPE_SIGNED(time_t)) {
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min_time = ~ (time_t) 0;
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min_time <<= TIME_T_BITS_IN_FILE - 1;
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max_time = ~ (time_t) 0 - min_time;
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if (sflag)
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min_time = 0;
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} else {
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min_time = 0;
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max_time = 2 - sflag;
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max_time <<= TIME_T_BITS_IN_FILE - 1;
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--max_time;
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}
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min_year = TM_YEAR_BASE + gmtime(&min_time)->tm_year;
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max_year = TM_YEAR_BASE + gmtime(&max_time)->tm_year;
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for (bii = 1; bii > 0; bii <<= 1)
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continue;
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min_int = bii;
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max_int = -1 - bii;
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}
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static int
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@ -716,7 +732,7 @@ const char * name;
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while (fields[nfields] != NULL) {
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static char nada;
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if (ciequal(fields[nfields], "-"))
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if (strcmp(fields[nfields], "-") == 0)
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fields[nfields] = &nada;
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++nfields;
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}
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@ -1031,8 +1047,8 @@ const int nfields;
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return;
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}
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dayoff = oadd(dayoff, eitol(day - 1));
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if (dayoff < 0 && !tt_signed) {
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error(_("time before zero"));
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if (dayoff < 0 && !TYPE_SIGNED(time_t)) {
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error("time before zero");
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return;
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}
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t = (time_t) dayoff * SECSPERDAY;
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@ -1154,10 +1170,10 @@ const char * const timep;
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lp = byword(cp, begin_years);
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if (lp != NULL) switch ((int) lp->l_value) {
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case YR_MINIMUM:
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rp->r_loyear = min_int;
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rp->r_loyear = INT_MIN;
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break;
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case YR_MAXIMUM:
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rp->r_loyear = max_int;
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rp->r_loyear = INT_MAX;
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break;
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default: /* "cannot happen" */
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(void) fprintf(stderr,
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@ -1171,10 +1187,10 @@ const char * const timep;
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cp = hiyearp;
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if ((lp = byword(cp, end_years)) != NULL) switch ((int) lp->l_value) {
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case YR_MINIMUM:
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rp->r_hiyear = min_int;
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rp->r_hiyear = INT_MIN;
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break;
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case YR_MAXIMUM:
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rp->r_hiyear = max_int;
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rp->r_hiyear = INT_MAX;
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break;
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case YR_ONLY:
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rp->r_hiyear = rp->r_loyear;
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@ -1698,8 +1714,9 @@ const char * const type;
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static int
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lowerit(a)
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const int a;
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int a;
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{
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a = (unsigned char) a;
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return (isascii(a) && isupper(a)) ? tolower(a) : a;
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}
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@ -1723,9 +1740,10 @@ register const char * word;
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return FALSE;
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++word;
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while (*++abbr != '\0')
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do if (*word == '\0')
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return FALSE;
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while (lowerit(*word++) != lowerit(*abbr));
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do {
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if (*word == '\0')
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return FALSE;
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} while (lowerit(*word++) != lowerit(*abbr));
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return TRUE;
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}
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@ -1771,7 +1789,7 @@ register char * cp;
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emalloc((int) ((strlen(cp) + 1) * sizeof *array));
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nsubs = 0;
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for ( ; ; ) {
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while (isascii(*cp) && isspace(*cp))
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while (isascii(*cp) && isspace((unsigned char) *cp))
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++cp;
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if (*cp == '\0' || *cp == '#')
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break;
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@ -1784,8 +1802,8 @@ register char * cp;
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++dp;
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else error(_("Odd number of quotation marks"));
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} while (*cp != '\0' && *cp != '#' &&
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(!isascii(*cp) || !isspace(*cp)));
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if (isascii(*cp) && isspace(*cp))
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(!isascii(*cp) || !isspace((unsigned char) *cp)));
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if (isascii(*cp) && isspace((unsigned char) *cp))
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++cp;
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*dp = '\0';
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}
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@ -1841,9 +1859,9 @@ register const int wantedy;
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register long dayoff; /* with a nod to Margaret O. */
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register time_t t;
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if (wantedy == min_int)
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if (wantedy == INT_MIN)
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return min_time;
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if (wantedy == max_int)
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if (wantedy == INT_MAX)
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return max_time;
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dayoff = 0;
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m = TM_JANUARY;
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@ -1906,7 +1924,7 @@ register const int wantedy;
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(void) exit(EXIT_FAILURE);
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}
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}
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if (dayoff < 0 && !tt_signed)
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if (dayoff < 0 && !TYPE_SIGNED(time_t))
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return min_time;
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t = (time_t) dayoff * SECSPERDAY;
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/*
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@ -1948,8 +1966,8 @@ char * const argname;
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/*
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** DOS drive specifier?
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*/
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if (strlen(name) == 2 && isascii(name[0]) &&
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isalpha(name[0]) && name[1] == ':') {
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if (isalpha((unsigned char) name[0]) &&
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name[1] == ':' && name[2] == '\0') {
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*cp = '/';
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continue;
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}
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