+++ /dev/null
-/*
- * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
- */
-
-#pragma ident "%Z%%M% %I% %E% SMI"
-
-/*
- * zdump 7.24
- * Taken from elsie.nci.nih.gov to replace the existing Solaris zdump,
- * which was based on an earlier version of the elsie code.
- *
- * For zdump 7.24, the following changes were made to the elsie code:
- * locale/textdomain/messages to match existing Solaris style.
- * Solaris verbose mode is documented to display the current time first.
- * cstyle cleaned code.
- * removed old locale/textdomain code.
- */
-
-static char elsieid[] = "@(#)zdump.c 7.74";
-
-/*
- * This code has been made independent of the rest of the time
- * conversion package to increase confidence in the verification it provides.
- * You can use this code to help in verifying other implementations.
- */
-
-#include "stdio.h" /* for stdout, stderr, perror */
-#include "string.h" /* for strcpy */
-#include "sys/types.h" /* for time_t */
-#include "time.h" /* for struct tm */
-#include "stdlib.h" /* for exit, malloc, atoi */
-#include "locale.h" /* for setlocale, textdomain */
-#include "libintl.h"
-#include <ctype.h>
-#include "tzfile.h" /* for defines */
-#include <limits.h>
-
-#ifndef ZDUMP_LO_YEAR
-#define ZDUMP_LO_YEAR (-500)
-#endif /* !defined ZDUMP_LO_YEAR */
-
-#ifndef ZDUMP_HI_YEAR
-#define ZDUMP_HI_YEAR 2500
-#endif /* !defined ZDUMP_HI_YEAR */
-
-#ifndef MAX_STRING_LENGTH
-#define MAX_STRING_LENGTH 1024
-#endif /* !defined MAX_STRING_LENGTH */
-
-#ifndef TRUE
-#define TRUE 1
-#endif /* !defined TRUE */
-
-#ifndef FALSE
-#define FALSE 0
-#endif /* !defined FALSE */
-
-#ifndef isleap_sum
-/*
- * See tzfile.h for details on isleap_sum.
- */
-#define isleap_sum(a, b) isleap((a) % 400 + (b) % 400)
-#endif /* !defined isleap_sum */
-
-#ifndef SECSPERDAY
-#define SECSPERDAY ((long)SECSPERHOUR * HOURSPERDAY)
-#endif
-#define SECSPERNYEAR (SECSPERDAY * DAYSPERNYEAR)
-#define SECSPERLYEAR (SECSPERNYEAR + SECSPERDAY)
-
-#ifndef GNUC_or_lint
-#ifdef lint
-#define GNUC_or_lint
-#else /* !defined lint */
-#ifdef __GNUC__
-#define GNUC_or_lint
-#endif /* defined __GNUC__ */
-#endif /* !defined lint */
-#endif /* !defined GNUC_or_lint */
-
-#ifndef INITIALIZE
-#ifdef GNUC_or_lint
-#define INITIALIZE(x) ((x) = 0)
-#else /* !defined GNUC_or_lint */
-#define INITIALIZE(x)
-#endif /* !defined GNUC_or_lint */
-#endif /* !defined INITIALIZE */
-
-static time_t absolute_min_time;
-static time_t absolute_max_time;
-static size_t longest;
-static char *progname;
-static int warned;
-
-static char *abbr(struct tm *);
-static void abbrok(const char *, const char *);
-static long delta(struct tm *, struct tm *);
-static void dumptime(const struct tm *);
-static time_t hunt(char *, time_t, time_t);
-static void setabsolutes(void);
-static void show(char *, time_t, int);
-static void usage(void);
-static const char *tformat(void);
-static time_t yeartot(long y);
-
-#ifndef TYPECHECK
-#define my_localtime localtime
-#else /* !defined TYPECHECK */
-static struct tm *
-my_localtime(tp)
-time_t *tp;
-{
- register struct tm *tmp;
-
- tmp = localtime(tp);
- if (tp != NULL && tmp != NULL) {
- struct tm tm;
- register time_t t;
-
- tm = *tmp;
- t = mktime(&tm);
- if (t - *tp >= 1 || *tp - t >= 1) {
- (void) fflush(stdout);
- (void) fprintf(stderr, "\n%s: ", progname);
- (void) fprintf(stderr, tformat(), *tp);
- (void) fprintf(stderr, " ->");
- (void) fprintf(stderr, " year=%d", tmp->tm_year);
- (void) fprintf(stderr, " mon=%d", tmp->tm_mon);
- (void) fprintf(stderr, " mday=%d", tmp->tm_mday);
- (void) fprintf(stderr, " hour=%d", tmp->tm_hour);
- (void) fprintf(stderr, " min=%d", tmp->tm_min);
- (void) fprintf(stderr, " sec=%d", tmp->tm_sec);
- (void) fprintf(stderr, " isdst=%d", tmp->tm_isdst);
- (void) fprintf(stderr, " -> ");
- (void) fprintf(stderr, tformat(), t);
- (void) fprintf(stderr, "\n");
- }
- }
- return (tmp);
-}
-#endif /* !defined TYPECHECK */
-
-static void
-abbrok(abbrp, zone)
-const char * const abbrp;
-const char * const zone;
-{
- register const char *cp;
- int error = 0;
-
- if (warned)
- return;
- cp = abbrp;
- while (isascii(*cp) && isalpha((unsigned char)*cp))
- ++cp;
- (void) fflush(stdout);
- if (cp - abbrp == 0) {
- /*
- * TRANSLATION_NOTE
- * The first %s prints for the program name (zdump),
- * the second %s prints the timezone name, the third
- * %s prints the timezone abbreviation (tzname[0] or
- * tzname[1]).
- */
- (void) fprintf(stderr, gettext("%s: warning: zone \"%s\" "
- "abbreviation \"%s\" lacks alphabetic at start\n"),
- progname, zone, abbrp);
- error = 1;
- } else if (cp - abbrp < 3) {
- (void) fprintf(stderr, gettext("%s: warning: zone \"%s\" "
- "abbreviation \"%s\" has fewer than 3 alphabetics\n"),
- progname, zone, abbrp);
- error = 1;
- } else if (cp - abbrp > 6) {
- (void) fprintf(stderr, gettext("%s: warning: zone \"%s\" "
- "abbreviation \"%s\" has more than 6 alphabetics\n"),
- progname, zone, abbrp);
- error = 1;
- }
- if (error == 0 && (*cp == '+' || *cp == '-')) {
- ++cp;
- if (isascii(*cp) && isdigit((unsigned char)*cp))
- if (*cp++ == '1' && *cp >= '0' && *cp <= '4')
- ++cp;
- if (*cp != '\0') {
- (void) fprintf(stderr, gettext("%s: warning: "
- "zone \"%s\" abbreviation \"%s\" differs from "
- "POSIX standard\n"), progname, zone, abbrp);
- error = 1;
- }
- }
- if (error)
- warned = TRUE;
-}
-
-int
-main(argc, argv)
-int argc;
-char *argv[];
-{
- register int i;
- register int c;
- register int vflag;
- register char *cutarg;
- register long cutloyear = ZDUMP_LO_YEAR;
- register long cuthiyear = ZDUMP_HI_YEAR;
- register time_t cutlotime;
- register time_t cuthitime;
- time_t now;
- time_t t;
- time_t newt;
- struct tm tm;
- struct tm newtm;
- register struct tm *tmp;
- register struct tm *newtmp;
-
- INITIALIZE(cutlotime);
- INITIALIZE(cuthitime);
-
- (void) setlocale(LC_ALL, "");
-#if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */
-#define TEXT_DOMAIN "SYS_TEST" /* Use this only if it weren't */
-#endif
- (void) textdomain(TEXT_DOMAIN);
-
- progname = argv[0];
- for (i = 1; i < argc; ++i)
- if (strcmp(argv[i], "--version") == 0) {
- (void) printf("%s\n", elsieid);
- exit(EXIT_SUCCESS);
- }
- vflag = 0;
- cutarg = NULL;
- while ((c = getopt(argc, argv, "c:v")) == 'c' || c == 'v')
- if (c == 'v')
- vflag = 1;
- else cutarg = optarg;
- if (c != EOF ||
- (optind == argc - 1 && strcmp(argv[optind], "=") == 0)) {
- usage();
- /* NOTREACHED */
- }
- if (vflag) {
- if (cutarg != NULL) {
- long lo;
- long hi;
- char dummy;
-
- if (sscanf(cutarg, "%ld%c", &hi, &dummy) == 1) {
- cuthiyear = hi;
- } else if (sscanf(cutarg, "%ld,%ld%c",
- &lo, &hi, &dummy) == 2) {
- cutloyear = lo;
- cuthiyear = hi;
- } else {
-(void) fprintf(stderr, gettext("%s: wild -c argument %s\n"),
- progname, cutarg);
- exit(EXIT_FAILURE);
- }
- }
- setabsolutes();
- cutlotime = yeartot(cutloyear);
- cuthitime = yeartot(cuthiyear);
- }
- (void) time(&now);
- longest = 0;
- for (i = optind; i < argc; ++i)
- if (strlen(argv[i]) > longest)
- longest = strlen(argv[i]);
-
- for (i = optind; i < argc; ++i) {
- static char buf[MAX_STRING_LENGTH];
- static char *tzp = NULL;
-
- (void) unsetenv("TZ");
- if (tzp != NULL)
- free(tzp);
- if ((tzp = malloc(3 + strlen(argv[i]) + 1)) == NULL) {
- perror(progname);
- exit(EXIT_FAILURE);
- }
- (void) strcpy(tzp, "TZ=");
- (void) strcat(tzp, argv[i]);
- if (putenv(tzp) != 0) {
- perror(progname);
- exit(EXIT_FAILURE);
- }
- if (!vflag) {
- show(argv[i], now, FALSE);
- continue;
- }
-
-#if defined(sun)
- /*
- * We show the current time first, probably because we froze
- * the behavior of zdump some time ago and then it got
- * changed.
- */
- show(argv[i], now, TRUE);
-#endif
- warned = FALSE;
- t = absolute_min_time;
- show(argv[i], t, TRUE);
- t += SECSPERHOUR * HOURSPERDAY;
- show(argv[i], t, TRUE);
- if (t < cutlotime)
- t = cutlotime;
- tmp = my_localtime(&t);
- if (tmp != NULL) {
- tm = *tmp;
- (void) strncpy(buf, abbr(&tm), sizeof (buf) - 1);
- }
- for (;;) {
- if (t >= cuthitime)
- break;
- /* check if newt will overrun maximum time_t value */
- if (t > LONG_MAX - (SECSPERHOUR * 12))
- break;
- newt = t + SECSPERHOUR * 12;
- if (newt >= cuthitime)
- break;
- newtmp = localtime(&newt);
- if (newtmp != NULL)
- newtm = *newtmp;
- if ((tmp == NULL || newtmp == NULL) ? (tmp != newtmp) :
- (delta(&newtm, &tm) != (newt - t) ||
- newtm.tm_isdst != tm.tm_isdst ||
- strcmp(abbr(&newtm), buf) != 0)) {
- newt = hunt(argv[i], t, newt);
- newtmp = localtime(&newt);
- if (newtmp != NULL) {
- newtm = *newtmp;
- (void) strncpy(buf,
- abbr(&newtm),
- sizeof (buf) - 1);
- }
- }
- t = newt;
- tm = newtm;
- tmp = newtmp;
- }
- t = absolute_max_time;
-#if defined(sun)
- show(argv[i], t, TRUE);
- t -= SECSPERHOUR * HOURSPERDAY;
- show(argv[i], t, TRUE);
-#else /* !defined(sun) */
- t -= SECSPERHOUR * HOURSPERDAY;
- show(argv[i], t, TRUE);
- t += SECSPERHOUR * HOURSPERDAY;
- show(argv[i], t, TRUE);
-#endif /* !defined(sun) */
- }
- if (fflush(stdout) || ferror(stdout)) {
- (void) fprintf(stderr, "%s: ", progname);
- (void) perror(gettext("Error writing standard output"));
- exit(EXIT_FAILURE);
- }
- return (EXIT_SUCCESS);
-}
-
-static void
-setabsolutes()
-{
-#if defined(sun)
- absolute_min_time = LONG_MIN;
- absolute_max_time = LONG_MAX;
-#else
- if (0.5 == (time_t)0.5) {
- /*
- * time_t is floating.
- */
- if (sizeof (time_t) == sizeof (float)) {
- absolute_min_time = (time_t)-FLT_MAX;
- absolute_max_time = (time_t)FLT_MAX;
- } else if (sizeof (time_t) == sizeof (double)) {
- absolute_min_time = (time_t)-DBL_MAX;
- absolute_max_time = (time_t)DBL_MAX;
- } else {
- (void) fprintf(stderr, gettext("%s: use of -v on "
- "system with floating time_t other than float "
- "or double\n"), progname);
- exit(EXIT_FAILURE);
- }
- } else
- /*CONSTANTCONDITION*/
- if (0 > (time_t)-1) {
- /*
- * time_t is signed.
- */
- register time_t hibit;
-
- for (hibit = 1; (hibit * 2) != 0; hibit *= 2)
- continue;
- absolute_min_time = hibit;
- absolute_max_time = -(hibit + 1);
- } else {
- /*
- * time_t is unsigned.
- */
- absolute_min_time = 0;
- absolute_max_time = absolute_min_time - 1;
- }
-#endif
-}
-
-static time_t
-yeartot(y)
-const long y;
-{
- register long myy;
- register long seconds;
- register time_t t;
-
- myy = EPOCH_YEAR;
- t = 0;
- while (myy != y) {
- if (myy < y) {
- seconds = isleap(myy) ? SECSPERLYEAR : SECSPERNYEAR;
- ++myy;
- if (t > absolute_max_time - seconds) {
- t = absolute_max_time;
- break;
- }
- t += seconds;
- } else {
- --myy;
- seconds = isleap(myy) ? SECSPERLYEAR : SECSPERNYEAR;
- if (t < absolute_min_time + seconds) {
- t = absolute_min_time;
- break;
- }
- t -= seconds;
- }
- }
- return (t);
-}
-
-static time_t
-hunt(name, lot, hit)
-char *name;
-time_t lot;
-time_t hit;
-{
- time_t t;
- long diff;
- struct tm lotm;
- register struct tm *lotmp;
- struct tm tm;
- register struct tm *tmp;
- char loab[MAX_STRING_LENGTH];
-
- lotmp = my_localtime(&lot);
- if (lotmp != NULL) {
- lotm = *lotmp;
- (void) strncpy(loab, abbr(&lotm), sizeof (loab) - 1);
- }
- for (;;) {
- diff = (long)(hit - lot);
- if (diff < 2)
- break;
- t = lot;
- t += diff / 2;
- if (t <= lot)
- ++t;
- else if (t >= hit)
- --t;
- tmp = my_localtime(&t);
- if (tmp != NULL)
- tm = *tmp;
- if ((lotmp == NULL || tmp == NULL) ? (lotmp == tmp) :
- (delta(&tm, &lotm) == (t - lot) &&
- tm.tm_isdst == lotm.tm_isdst &&
- strcmp(abbr(&tm), loab) == 0)) {
- lot = t;
- lotm = tm;
- lotmp = tmp;
- } else hit = t;
- }
- show(name, lot, TRUE);
- show(name, hit, TRUE);
- return (hit);
-}
-
-/*
- * Thanks to Paul Eggert for logic used in delta.
- */
-
-static long
-delta(newp, oldp)
-struct tm *newp;
-struct tm *oldp;
-{
- register long result;
- register int tmy;
-
- if (newp->tm_year < oldp->tm_year)
- return (-delta(oldp, newp));
- result = 0;
- for (tmy = oldp->tm_year; tmy < newp->tm_year; ++tmy)
- result += DAYSPERNYEAR + isleap_sum(tmy, TM_YEAR_BASE);
- result += newp->tm_yday - oldp->tm_yday;
- result *= HOURSPERDAY;
- result += newp->tm_hour - oldp->tm_hour;
- result *= MINSPERHOUR;
- result += newp->tm_min - oldp->tm_min;
- result *= SECSPERMIN;
- result += newp->tm_sec - oldp->tm_sec;
- return (result);
-}
-
-static void
-show(zone, t, v)
-char *zone;
-time_t t;
-int v;
-{
- register struct tm *tmp;
-
- (void) printf("%-*s ", (int)longest, zone);
- if (v) {
- tmp = gmtime(&t);
- if (tmp == NULL) {
- (void) printf(tformat(), t);
- } else {
- dumptime(tmp);
- (void) printf(" UTC");
- }
- (void) printf(" = ");
- }
- tmp = my_localtime(&t);
- dumptime(tmp);
- if (tmp != NULL) {
- if (*abbr(tmp) != '\0')
- (void) printf(" %s", abbr(tmp));
- if (v) {
- (void) printf(" isdst=%d", tmp->tm_isdst);
-#ifdef TM_GMTOFF
- (void) printf(" gmtoff=%ld", tmp->TM_GMTOFF);
-#endif /* defined TM_GMTOFF */
- }
- }
- (void) printf("\n");
- if (tmp != NULL && *abbr(tmp) != '\0')
- abbrok(abbr(tmp), zone);
-}
-
-static char *
-abbr(tmp)
-struct tm *tmp;
-{
- register char *result;
- static char nada;
-
- if (tmp->tm_isdst != 0 && tmp->tm_isdst != 1)
- return (&nada);
- result = tzname[tmp->tm_isdst];
- return ((result == NULL) ? &nada : result);
-}
-
-/*
- * The code below can fail on certain theoretical systems;
- * it works on all known real-world systems as of 2004-12-30.
- */
-
-static const char *
-tformat()
-{
-#if defined(sun)
- /* time_t is signed long */
- return ("%ld");
-#else
- /*CONSTANTCONDITION*/
- if (0.5 == (time_t)0.5) { /* floating */
- /*CONSTANTCONDITION*/
- if (sizeof (time_t) > sizeof (double))
- return ("%Lg");
- return ("%g");
- }
- /*CONSTANTCONDITION*/
- if (0 > (time_t)-1) { /* signed */
- /*CONSTANTCONDITION*/
- if (sizeof (time_t) > sizeof (long))
- return ("%lld");
- /*CONSTANTCONDITION*/
- if (sizeof (time_t) > sizeof (int))
- return ("%ld");
- return ("%d");
- }
- /*CONSTANTCONDITION*/
- if (sizeof (time_t) > sizeof (unsigned long))
- return ("%llu");
- /*CONSTANTCONDITION*/
- if (sizeof (time_t) > sizeof (unsigned int))
- return ("%lu");
- return ("%u");
-#endif
-}
-
-static void
-dumptime(timeptr)
-register const struct tm *timeptr;
-{
- static const char wday_name[][3] = {
- "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
- };
- static const char mon_name[][3] = {
- "Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
- };
- register const char *wn;
- register const char *mn;
- register int lead;
- register int trail;
-
- if (timeptr == NULL) {
- (void) printf("NULL");
- return;
- }
- /*
- * The packaged versions of localtime and gmtime never put out-of-range
- * values in tm_wday or tm_mon, but since this code might be compiled
- * with other (perhaps experimental) versions, paranoia is in order.
- */
- if (timeptr->tm_wday < 0 || timeptr->tm_wday >=
- (int)(sizeof (wday_name) / sizeof (wday_name[0])))
- wn = "???";
- else wn = wday_name[timeptr->tm_wday];
- if (timeptr->tm_mon < 0 || timeptr->tm_mon >=
- (int)(sizeof (mon_name) / sizeof (mon_name[0])))
- mn = "???";
- else mn = mon_name[timeptr->tm_mon];
- (void) printf("%.3s %.3s%3d %.2d:%.2d:%.2d ",
- wn, mn,
- timeptr->tm_mday, timeptr->tm_hour,
- timeptr->tm_min, timeptr->tm_sec);
-#define DIVISOR 10
- trail = timeptr->tm_year % DIVISOR + TM_YEAR_BASE % DIVISOR;
- lead = timeptr->tm_year / DIVISOR + TM_YEAR_BASE / DIVISOR +
- trail / DIVISOR;
- trail %= DIVISOR;
- if (trail < 0 && lead > 0) {
- trail += DIVISOR;
- --lead;
- } else if (lead < 0 && trail > 0) {
- trail -= DIVISOR;
- ++lead;
- }
- if (lead == 0)
- (void) printf("%d", trail);
- else
- (void) printf("%d%d", lead, ((trail < 0) ? -trail : trail));
-}
-
-static void
-usage()
-{
- (void) fprintf(stderr, gettext(
- "%s: [ --version ] [ -v ] [ -c [loyear,]hiyear ] zonename ...\n"),
- progname);
- exit(EXIT_FAILURE);
- /* NOTREACHED */
-}
git://git.camperquake.de / zfs.git / commitdiff