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-rw-r--r--timezone/tzselect.ksh17
-rw-r--r--timezone/zdump.c31
-rw-r--r--timezone/zic.c26
3 files changed, 52 insertions, 22 deletions
diff --git a/timezone/tzselect.ksh b/timezone/tzselect.ksh
index b99af82..57bf707 100644
--- a/timezone/tzselect.ksh
+++ b/timezone/tzselect.ksh
@@ -1,6 +1,6 @@
#! @KSH@
-# '@(#)tzselect.ksh 8.1'
+VERSION='@(#)tzselect.ksh 8.2'
# Ask the user about the time zone, and output the resulting TZ value to stdout.
# Interact with the user via stderr and stdin.
@@ -45,6 +45,21 @@
exit 1
}
+if [ "$1" = "--help" ]; then
+ cat <<EOF
+Usage: tzselect
+Select a time zone interactively.
+
+Report bugs to tz@elsie.nci.nih.gov.
+EOF
+ exit 0
+elif [ "$1" = "--version" ]; then
+ cat <<EOF
+tzselect $VERSION
+EOF
+ exit 0
+fi
+
# Make sure the tables are readable.
TZ_COUNTRY_TABLE=$TZDIR/iso3166.tab
TZ_ZONE_TABLE=$TZDIR/zone.tab
diff --git a/timezone/zdump.c b/timezone/zdump.c
index 82c91e4..7122bbf 100644
--- a/timezone/zdump.c
+++ b/timezone/zdump.c
@@ -1,4 +1,9 @@
-static char elsieid[] = "@(#)zdump.c 8.6";
+/*
+** This file is in the public domain, so clarified as of
+** 2009-05-17 by Arthur David Olson.
+*/
+
+static char elsieid[] = "@(#)zdump.c 8.9";
/*
** This code has been made independent of the rest of the time
@@ -230,6 +235,17 @@ const char * const zone;
warned = TRUE;
}
+static void
+usage(const char *progname, FILE *stream, int status)
+{
+ (void) fprintf(stream,
+_("%s: usage is %s [ --version ] [ --help ] [ -v ] [ -c [loyear,]hiyear ] zonename ...\n\
+\n\
+Report bugs to tz@elsie.nci.nih.gov.\n"),
+ progname, progname);
+ exit(status);
+}
+
int
main(argc, argv)
int argc;
@@ -266,6 +282,8 @@ char * argv[];
if (strcmp(argv[i], "--version") == 0) {
(void) printf("%s\n", elsieid);
exit(EXIT_SUCCESS);
+ } else if (strcmp(argv[i], "--help") == 0) {
+ usage(progname, stdout, EXIT_SUCCESS);
}
vflag = 0;
cutarg = NULL;
@@ -275,10 +293,7 @@ char * argv[];
else cutarg = optarg;
if ((c != EOF && c != -1) ||
(optind == argc - 1 && strcmp(argv[optind], "=") == 0)) {
- (void) fprintf(stderr,
-_("%s: usage is %s [ --version ] [ -v ] [ -c [loyear,]hiyear ] zonename ...\n"),
- progname, progname);
- exit(EXIT_FAILURE);
+ usage(progname, stderr, EXIT_FAILURE);
}
if (vflag) {
if (cutarg != NULL) {
@@ -349,13 +364,9 @@ _("%s: usage is %s [ --version ] [ -v ] [ -c [loyear,]hiyear ] zonename ...\n"),
(void) strncpy(buf, abbr(&tm), (sizeof buf) - 1);
}
for ( ; ; ) {
- if (t >= cuthitime)
+ if (t >= cuthitime || t >= cuthitime - SECSPERHOUR * 12)
break;
newt = t + SECSPERHOUR * 12;
- if (newt >= cuthitime)
- break;
- if (newt <= t)
- break;
newtmp = localtime(&newt);
if (newtmp != NULL)
newtm = *newtmp;
diff --git a/timezone/zic.c b/timezone/zic.c
index 5f8028e..01d9f13 100644
--- a/timezone/zic.c
+++ b/timezone/zic.c
@@ -3,7 +3,7 @@
** 2006-07-17 by Arthur David Olson.
*/
-static char elsieid[] = "@(#)zic.c 8.17";
+static char elsieid[] = "@(#)zic.c 8.19";
#include "private.h"
#include "locale.h"
@@ -156,7 +156,7 @@ static void stringzone(char * result,
const struct zone * zp, int ntzones);
static void setboundaries(void);
static zic_t tadd(zic_t t1, long t2);
-static void usage(void);
+static void usage(FILE *stream, int status);
static void writezone(const char * name, const char * string);
static int yearistype(int year, const char * type);
@@ -454,13 +454,15 @@ const char * const string;
}
static void
-usage(void)
+usage(FILE *stream, int status)
{
- (void) fprintf(stderr, _("%s: usage is %s \
-[ --version ] [ -v ] [ -l localtime ] [ -p posixrules ] \\\n\
-\t[ -d directory ] [ -L leapseconds ] [ -y yearistype ] [ filename ... ]\n"),
- progname, progname);
- exit(EXIT_FAILURE);
+ (void) fprintf(stream, _("%s: usage is %s \
+[ --version ] [ --help ] [ -v ] [ -l localtime ] [ -p posixrules ] \\\n\
+\t[ -d directory ] [ -L leapseconds ] [ -y yearistype ] [ filename ... ]\n\
+\n\
+Report bugs to tz@elsie.nci.nih.gov.\n"),
+ progname, progname);
+ exit(status);
}
static const char * psxrules;
@@ -498,11 +500,13 @@ char * argv[];
if (strcmp(argv[i], "--version") == 0) {
(void) printf("%s\n", elsieid);
exit(EXIT_SUCCESS);
+ } else if (strcmp(argv[i], "--help") == 0) {
+ usage(stdout, EXIT_SUCCESS);
}
while ((c = getopt(argc, argv, "d:l:p:L:vsy:")) != EOF && c != -1)
switch (c) {
default:
- usage();
+ usage(stderr, EXIT_FAILURE);
case 'd':
if (directory == NULL)
directory = optarg;
@@ -561,7 +565,7 @@ _("%s: More than one -L option specified\n"),
break;
}
if (optind == argc - 1 && strcmp(argv[optind], "=") == 0)
- usage(); /* usage message by request */
+ usage(stderr, EXIT_FAILURE); /* usage message by request */
if (directory == NULL)
directory = TZDIR;
if (yitcommand == NULL)
@@ -1991,7 +1995,7 @@ const int zonecount;
min_year = max_year = EPOCH_YEAR;
if (leapseen) {
updateminmax(leapminyear);
- updateminmax(leapmaxyear);
+ updateminmax(leapmaxyear + (leapmaxyear < INT_MAX));
}
for (i = 0; i < zonecount; ++i) {
zp = &zpfirst[i];