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-rw-r--r--timezone/zic.c988
1 files changed, 265 insertions, 723 deletions
diff --git a/timezone/zic.c b/timezone/zic.c
index f7393ea7ba..9bb8662e55 100644
--- a/timezone/zic.c
+++ b/timezone/zic.c
@@ -1,22 +1,9 @@
-/*
-** This file is in the public domain, so clarified as of
-** 2006-07-17 by Arthur David Olson.
-*/
-
-static char elsieid[] = "@(#)zic.c 8.7";
+static char elsieid[] = "@(#)zic.c 7.116";
#include "private.h"
#include "locale.h"
#include "tzfile.h"
-#define ZIC_VERSION '2'
-
-typedef int_fast64_t zic_t;
-
-#ifndef ZIC_MAX_ABBR_LEN_WO_WARN
-#define ZIC_MAX_ABBR_LEN_WO_WARN 6
-#endif /* !defined ZIC_MAX_ABBR_LEN_WO_WARN */
-
#if HAVE_SYS_STAT_H
#include "sys/stat.h"
#endif
@@ -28,7 +15,7 @@ typedef int_fast64_t zic_t;
/*
** On some ancient hosts, predicates like `isspace(C)' are defined
-** only if isascii(C) || C == EOF. Modern hosts obey the C Standard,
+** only if isascii(C) || C == EOF. Modern hosts obey the C Standard,
** which says they are defined only if C == ((unsigned char) C) || C == EOF.
** Neither the C Standard nor Posix require that `isascii' exist.
** For portability, we check both ancient and modern requirements.
@@ -39,11 +26,6 @@ typedef int_fast64_t zic_t;
#define isascii(x) 1
#endif
-#define OFFSET_STRLEN_MAXIMUM (7 + INT_STRLEN_MAXIMUM(long))
-#define RULE_STRLEN_MAXIMUM 8 /* "Mdd.dd.d" */
-
-#define end(cp) (strchr((cp), '\0'))
-
struct rule {
const char * r_filename;
int r_linenum;
@@ -52,8 +34,6 @@ struct rule {
int r_loyear; /* for example, 1986 */
int r_hiyear; /* for example, 1986 */
const char * r_yrtype;
- int r_lowasnum;
- int r_hiwasnum;
int r_month; /* 0..11 */
@@ -70,7 +50,7 @@ struct rule {
const char * r_abbrvar; /* variable part of abbreviation */
int r_todo; /* a rule to do (used in outzone) */
- zic_t r_temp; /* used in outzone */
+ time_t r_temp; /* used in outzone */
};
/*
@@ -96,7 +76,7 @@ struct zone {
int z_nrules;
struct rule z_untilrule;
- zic_t z_untiltime;
+ time_t z_untiltime;
};
extern int getopt P((int argc, char * const argv[],
@@ -105,18 +85,17 @@ extern int link P((const char * fromname, const char * toname));
extern char * optarg;
extern int optind;
-static void addtt P((zic_t starttime, int type));
+static void addtt P((time_t starttime, int type));
static int addtype P((long gmtoff, const char * abbr, int isdst,
int ttisstd, int ttisgmt));
-static void leapadd P((zic_t t, int positive, int rolling, int count));
+static void leapadd P((time_t t, int positive, int rolling, int count));
static void adjleap P((void));
static void associate P((void));
static int ciequal P((const char * ap, const char * bp));
static void convert P((long val, char * buf));
-static void convert64 P((zic_t val, char * buf));
static void dolink P((const char * fromfile, const char * tofile));
static void doabbr P((char * abbr, const char * format,
- const char * letters, int isdst, int doquotes));
+ const char * letters, int isdst));
static void eat P((const char * name, int num));
static void eats P((const char * name, int num,
const char * rname, int rnum));
@@ -132,7 +111,6 @@ static void inrule P((char ** fields, int nfields));
static int inzcont P((char ** fields, int nfields));
static int inzone P((char ** fields, int nfields));
static int inzsub P((char ** fields, int nfields, int iscont));
-static int is32 P((zic_t x));
static int itsabbr P((const char * abbr, const char * word));
static int itsdir P((const char * name));
static int lowerit P((int c));
@@ -142,42 +120,33 @@ static void newabbr P((const char * abbr));
static long oadd P((long t1, long t2));
static void outzone P((const struct zone * zp, int ntzones));
static void puttzcode P((long code, FILE * fp));
-static void puttzcode64 P((zic_t code, FILE * fp));
static int rcomp P((const void * leftp, const void * rightp));
-static zic_t rpytime P((const struct rule * rp, int wantedy));
+static time_t rpytime P((const struct rule * rp, int wantedy));
static void rulesub P((struct rule * rp,
const char * loyearp, const char * hiyearp,
const char * typep, const char * monthp,
const char * dayp, const char * timep));
-static int stringoffset P((char * result, long offset));
-static int stringrule P((char * result, const struct rule * rp,
- long dstoff, long gmtoff));
-static void stringzone P((char * result,
- const struct zone * zp, int ntzones));
static void setboundaries P((void));
-static zic_t tadd P((zic_t t1, long t2));
+static time_t tadd P((time_t t1, long t2));
static void usage P((void));
-static void writezone P((const char * name, const char * string));
+static void writezone P((const char * name));
static int yearistype P((int year, const char * type));
-#if !HAVE_STRERROR
+#if !(HAVE_STRERROR - 0)
static char * strerror P((int));
-#endif /* !HAVE_STRERROR */
+#endif /* !(HAVE_STRERROR - 0) */
static int charcnt;
static int errors;
static const char * filename;
static int leapcnt;
-static int leapseen;
-static int leapminyear;
-static int leapmaxyear;
static int linenum;
-static int max_abbrvar_len;
-static int max_format_len;
-static zic_t max_time;
+static time_t max_time;
static int max_year;
-static zic_t min_time;
+static int max_year_representable;
+static time_t min_time;
static int min_year;
+static int min_year_representable;
static int noise;
static const char * rfilename;
static int rlinenum;
@@ -365,7 +334,7 @@ static const int len_years[2] = {
};
static struct attype {
- zic_t at;
+ time_t at;
unsigned char type;
} attypes[TZ_MAX_TIMES];
static long gmtoffs[TZ_MAX_TYPES];
@@ -374,7 +343,7 @@ static unsigned char abbrinds[TZ_MAX_TYPES];
static char ttisstds[TZ_MAX_TYPES];
static char ttisgmts[TZ_MAX_TYPES];
static char chars[TZ_MAX_CHARS];
-static zic_t trans[TZ_MAX_LEAPS];
+static time_t trans[TZ_MAX_LEAPS];
static long corr[TZ_MAX_LEAPS];
static char roll[TZ_MAX_LEAPS];
@@ -391,7 +360,7 @@ char * const ptr;
(void) fprintf(stderr, _("%s: Memory exhausted: %s\n"),
progname, e);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
return ptr;
}
@@ -405,7 +374,7 @@ char * const ptr;
** Error handling.
*/
-#if !HAVE_STRERROR
+#if !(HAVE_STRERROR - 0)
static char *
strerror(errnum)
int errnum;
@@ -416,7 +385,7 @@ int errnum;
return (errnum > 0 && errnum <= sys_nerr) ?
sys_errlist[errnum] : _("Unknown system error");
}
-#endif /* !HAVE_STRERROR */
+#endif /* !(HAVE_STRERROR - 0) */
static void
eats(name, num, rname, rnum)
@@ -473,11 +442,9 @@ const char * const string;
static void
usage P((void))
{
- (void) fprintf(stderr, _("%s: usage is %s \
-[ --version ] [ -v ] [ -l localtime ] [ -p posixrules ] \\\n\
-\t[ -d directory ] [ -L leapseconds ] [ -y yearistype ] [ filename ... ]\n"),
+ (void) fprintf(stderr, _("%s: usage is %s [ --version ] [ -s ] [ -v ] [ -l localtime ] [ -p posixrules ] \\\n\t[ -d directory ] [ -L leapseconds ] [ -y yearistype ] [ filename ... ]\n"),
progname, progname);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
static const char * psxrules;
@@ -485,6 +452,7 @@ static const char * lcltime;
static const char * directory;
static const char * leapsec;
static const char * yitcommand;
+static int sflag = FALSE;
int
main(argc, argv)
@@ -498,23 +466,19 @@ char * argv[];
#ifdef unix
(void) umask(umask(S_IWGRP | S_IWOTH) | (S_IWGRP | S_IWOTH));
#endif /* defined unix */
-#if HAVE_GETTEXT
- (void) setlocale(LC_ALL, "");
+#if HAVE_GETTEXT - 0
+ (void) setlocale(LC_CTYPE, "");
+ (void) setlocale(LC_MESSAGES, "");
#ifdef TZ_DOMAINDIR
(void) bindtextdomain(TZ_DOMAIN, TZ_DOMAINDIR);
#endif /* defined TEXTDOMAINDIR */
(void) textdomain(TZ_DOMAIN);
-#endif /* HAVE_GETTEXT */
+#endif /* HAVE_GETTEXT - 0 */
progname = argv[0];
- if (TYPE_BIT(zic_t) < 64) {
- (void) fprintf(stderr, "%s: %s\n", progname,
- _("wild compilation-time specification of zic_t"));
- exit(EXIT_FAILURE);
- }
for (i = 1; i < argc; ++i)
if (strcmp(argv[i], "--version") == 0) {
(void) printf("%s\n", elsieid);
- exit(EXIT_SUCCESS);
+ (void) exit(EXIT_SUCCESS);
}
while ((c = getopt(argc, argv, "d:l:p:L:vsy:")) != EOF && c != -1)
switch (c) {
@@ -527,7 +491,7 @@ char * argv[];
(void) fprintf(stderr,
_("%s: More than one -d option specified\n"),
progname);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
break;
case 'l':
@@ -537,7 +501,7 @@ _("%s: More than one -d option specified\n"),
(void) fprintf(stderr,
_("%s: More than one -l option specified\n"),
progname);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
break;
case 'p':
@@ -547,7 +511,7 @@ _("%s: More than one -l option specified\n"),
(void) fprintf(stderr,
_("%s: More than one -p option specified\n"),
progname);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
break;
case 'y':
@@ -557,7 +521,7 @@ _("%s: More than one -p option specified\n"),
(void) fprintf(stderr,
_("%s: More than one -y option specified\n"),
progname);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
break;
case 'L':
@@ -567,14 +531,14 @@ _("%s: More than one -y option specified\n"),
(void) fprintf(stderr,
_("%s: More than one -L option specified\n"),
progname);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
break;
case 'v':
noise = TRUE;
break;
case 's':
- (void) printf("%s: -s ignored\n", progname);
+ sflag = TRUE;
break;
}
if (optind == argc - 1 && strcmp(argv[optind], "=") == 0)
@@ -594,7 +558,7 @@ _("%s: More than one -L option specified\n"),
for (i = optind; i < argc; ++i)
infile(argv[i]);
if (errors)
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
associate();
for (i = 0; i < nzones; i = j) {
/*
@@ -610,11 +574,6 @@ _("%s: More than one -L option specified\n"),
for (i = 0; i < nlinks; ++i) {
eat(links[i].l_filename, links[i].l_linenum);
dolink(links[i].l_from, links[i].l_to);
- if (noise)
- for (j = 0; j < nlinks; ++j)
- if (strcmp(links[i].l_to,
- links[j].l_from) == 0)
- warning(_("link to link"));
}
if (lcltime != NULL) {
eat("command line", 1);
@@ -659,54 +618,85 @@ const char * const tofile;
int result;
if (mkdirs(toname) != 0)
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
result = link(fromname, toname);
-#if HAVE_SYMLINK
+#if (HAVE_SYMLINK - 0)
if (result != 0 &&
- access(fromname, F_OK) == 0 &&
- !itsdir(fromname)) {
- const char *s = tofile;
- register char * symlinkcontents = NULL;
-
- while ((s = strchr(s+1, '/')) != NULL)
- symlinkcontents =
- ecatalloc(symlinkcontents,
- "../");
- symlinkcontents =
- ecatalloc(symlinkcontents,
- fromname);
- result = symlink(symlinkcontents,
- toname);
- if (result == 0)
+ access(fromname, F_OK) == 0 &&
+ !itsdir(fromname)) {
+ const char *s = tofile;
+ register char * symlinkcontents = NULL;
+ while ((s = strchr(s+1, '/')) != NULL)
+ symlinkcontents = ecatalloc(symlinkcontents, "../");
+ symlinkcontents = ecatalloc(symlinkcontents, fromname);
+
+ result = unlink(toname);
+ if (result != 0 && errno != ENOENT) {
+ const char *e = strerror(errno);
+
+ (void) fprintf(stderr,
+ _("%s: Can't unlink %s: %s\n"),
+ progname, toname, e);
+ (void) exit(EXIT_FAILURE);
+ }
+
+ result = symlink(symlinkcontents, toname);
+ if (result == 0)
warning(_("hard link failed, symbolic link used"));
- ifree(symlinkcontents);
+ ifree(symlinkcontents);
}
-#endif /* HAVE_SYMLINK */
+#endif
if (result != 0) {
const char *e = strerror(errno);
(void) fprintf(stderr,
_("%s: Can't link from %s to %s: %s\n"),
progname, fromname, toname, e);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
}
ifree(fromname);
ifree(toname);
}
-#define TIME_T_BITS_IN_FILE 64
+#ifndef INT_MAX
+#define INT_MAX ((int) (((unsigned)~0)>>1))
+#endif /* !defined INT_MAX */
+
+#ifndef INT_MIN
+#define INT_MIN ((int) ~(((unsigned)~0)>>1))
+#endif /* !defined INT_MIN */
+
+/*
+** The tz file format currently allows at most 32-bit quantities.
+** This restriction should be removed before signed 32-bit values
+** wrap around in 2038, but unfortunately this will require a
+** change to the tz file format.
+*/
+
+#define MAX_BITS_IN_FILE 32
+#define TIME_T_BITS_IN_FILE ((TYPE_BIT(time_t) < MAX_BITS_IN_FILE) ? TYPE_BIT(time_t) : MAX_BITS_IN_FILE)
static void
setboundaries P((void))
{
- register int i;
-
- min_time = -1;
- for (i = 0; i < TIME_T_BITS_IN_FILE - 1; ++i)
- min_time *= 2;
- max_time = -(min_time + 1);
+ if (TYPE_SIGNED(time_t)) {
+ min_time = ~ (time_t) 0;
+ min_time <<= TIME_T_BITS_IN_FILE - 1;
+ max_time = ~ (time_t) 0 - min_time;
+ if (sflag)
+ min_time = 0;
+ } else {
+ min_time = 0;
+ max_time = 2 - sflag;
+ max_time <<= TIME_T_BITS_IN_FILE - 1;
+ --max_time;
+ }
+ min_year = TM_YEAR_BASE + gmtime(&min_time)->tm_year;
+ max_year = TM_YEAR_BASE + gmtime(&max_time)->tm_year;
+ min_year_representable = min_year;
+ max_year_representable = max_year;
}
static int
@@ -803,7 +793,7 @@ associate P((void))
*/
eat(zp->z_filename, zp->z_linenum);
zp->z_stdoff = gethms(zp->z_rule, _("unruly zone"),
- TRUE);
+ TRUE);
/*
** Note, though, that if there's no rule,
** a '%s' in the format is a bad thing.
@@ -813,7 +803,7 @@ associate P((void))
}
}
if (errors)
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
static void
@@ -837,7 +827,7 @@ const char * name;
(void) fprintf(stderr, _("%s: Can't open %s: %s\n"),
progname, name, e);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
wantcont = FALSE;
for (num = 1; ; ++num) {
@@ -847,7 +837,7 @@ const char * name;
cp = strchr(buf, '\n');
if (cp == NULL) {
error(_("line too long"));
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
*cp = '\0';
fields = getfields(buf);
@@ -891,7 +881,7 @@ _("%s: Leap line in non leap seconds file %s\n"),
(void) fprintf(stderr,
_("%s: panic: Invalid l_value %d\n"),
progname, lp->l_value);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
}
ifree((char *) fields);
@@ -899,14 +889,14 @@ _("%s: panic: Invalid l_value %d\n"),
if (ferror(fp)) {
(void) fprintf(stderr, _("%s: Error reading %s\n"),
progname, filename);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
if (fp != stdin && fclose(fp)) {
const char *e = strerror(errno);
(void) fprintf(stderr, _("%s: Error closing %s: %s\n"),
progname, filename, e);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
if (wantcont)
error(_("expected continuation line not found"));
@@ -981,8 +971,6 @@ const int nfields;
fields[RF_MONTH], fields[RF_DAY], fields[RF_TOD]);
r.r_name = ecpyalloc(fields[RF_NAME]);
r.r_abbrvar = ecpyalloc(fields[RF_ABBRVAR]);
- if (max_abbrvar_len < strlen(r.r_abbrvar))
- max_abbrvar_len = strlen(r.r_abbrvar);
rules = (struct rule *) (void *) erealloc((char *) rules,
(int) ((nrules + 1) * sizeof *rules));
rules[nrules++] = r;
@@ -1088,8 +1076,6 @@ const int iscont;
}
z.z_rule = ecpyalloc(fields[i_rule]);
z.z_format = ecpyalloc(fields[i_format]);
- if (max_format_len < strlen(z.z_format))
- max_format_len = strlen(z.z_format);
hasuntil = nfields > i_untilyear;
if (hasuntil) {
z.z_untilrule.r_filename = filename;
@@ -1110,9 +1096,7 @@ const int iscont;
zones[nzones - 1].z_untiltime > min_time &&
zones[nzones - 1].z_untiltime < max_time &&
zones[nzones - 1].z_untiltime >= z.z_untiltime) {
- error(_(
-"Zone continuation line end time is not after end time of previous line"
- ));
+ error(_("Zone continuation line end time is not after end time of previous line"));
return FALSE;
}
}
@@ -1136,7 +1120,7 @@ const int nfields;
register int i, j;
int year, month, day;
long dayoff, tod;
- zic_t t;
+ time_t t;
if (nfields != LEAP_FIELDS) {
error(_("wrong number of fields on Leap line"));
@@ -1145,17 +1129,12 @@ const int nfields;
dayoff = 0;
cp = fields[LP_YEAR];
if (sscanf(cp, scheck(cp, "%d"), &year) != 1) {
- /*
- ** Leapin' Lizards!
- */
- error(_("invalid leaping year"));
- return;
+ /*
+ * Leapin' Lizards!
+ */
+ error(_("invalid leaping year"));
+ return;
}
- if (!leapseen || leapmaxyear < year)
- leapmaxyear = year;
- if (!leapseen || leapminyear > year)
- leapminyear = year;
- leapseen = TRUE;
j = EPOCH_YEAR;
while (j != year) {
if (year > j) {
@@ -1185,7 +1164,7 @@ const int nfields;
return;
}
dayoff = oadd(dayoff, eitol(day - 1));
- if (dayoff < 0 && !TYPE_SIGNED(zic_t)) {
+ if (dayoff < 0 && !TYPE_SIGNED(time_t)) {
error(_("time before zero"));
return;
}
@@ -1197,7 +1176,7 @@ const int nfields;
error(_("time too large"));
return;
}
- t = (zic_t) dayoff * SECSPERDAY;
+ t = (time_t) dayoff * SECSPERDAY;
tod = gethms(fields[LP_TIME], _("invalid time of day"), FALSE);
cp = fields[LP_CORR];
{
@@ -1221,9 +1200,7 @@ const int nfields;
return;
}
if ((lp = byword(fields[LP_ROLL], leap_types)) == NULL) {
- error(_(
- "illegal Rolling/Stationary field on Leap line"
- ));
+ error(_("illegal Rolling/Stationary field on Leap line"));
return;
}
leapadd(tadd(t, tod), positive, lp->l_value, count);
@@ -1310,8 +1287,7 @@ const char * const timep;
*/
cp = loyearp;
lp = byword(cp, begin_years);
- rp->r_lowasnum = lp == NULL;
- if (!rp->r_lowasnum) switch ((int) lp->l_value) {
+ if (lp != NULL) switch ((int) lp->l_value) {
case YR_MINIMUM:
rp->r_loyear = INT_MIN;
break;
@@ -1322,15 +1298,18 @@ const char * const timep;
(void) fprintf(stderr,
_("%s: panic: Invalid l_value %d\n"),
progname, lp->l_value);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
} else if (sscanf(cp, scheck(cp, "%d"), &rp->r_loyear) != 1) {
error(_("invalid starting year"));
return;
+ } else if (noise) {
+ if (rp->r_loyear < min_year_representable)
+ warning(_("starting year too low to be represented"));
+ else if (rp->r_loyear > max_year_representable)
+ warning(_("starting year too high to be represented"));
}
cp = hiyearp;
- lp = byword(cp, end_years);
- rp->r_hiwasnum = lp == NULL;
- if (!rp->r_hiwasnum) switch ((int) lp->l_value) {
+ if ((lp = byword(cp, end_years)) != NULL) switch ((int) lp->l_value) {
case YR_MINIMUM:
rp->r_hiyear = INT_MIN;
break;
@@ -1344,10 +1323,15 @@ const char * const timep;
(void) fprintf(stderr,
_("%s: panic: Invalid l_value %d\n"),
progname, lp->l_value);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
} else if (sscanf(cp, scheck(cp, "%d"), &rp->r_hiyear) != 1) {
error(_("invalid ending year"));
return;
+ } else if (noise) {
+ if (rp->r_loyear < min_year_representable)
+ warning(_("ending year too low to be represented"));
+ else if (rp->r_loyear > max_year_representable)
+ warning(_("ending year too high to be represented"));
}
if (rp->r_loyear > rp->r_hiyear) {
error(_("starting year greater than ending year"));
@@ -1362,6 +1346,8 @@ const char * const timep;
}
rp->r_yrtype = ecpyalloc(typep);
}
+ if (rp->r_loyear < min_year && rp->r_loyear > 0)
+ min_year = rp->r_loyear;
/*
** Day work.
** Accept things such as:
@@ -1415,25 +1401,13 @@ const long val;
char * const buf;
{
register int i;
- register int shift;
+ register long shift;
for (i = 0, shift = 24; i < 4; ++i, shift -= 8)
buf[i] = val >> shift;
}
static void
-convert64(val, buf)
-const zic_t val;
-char * const buf;
-{
- register int i;
- register int shift;
-
- for (i = 0, shift = 56; i < 8; ++i, shift -= 8)
- buf[i] = val >> shift;
-}
-
-static void
puttzcode(val, fp)
const long val;
FILE * const fp;
@@ -1444,50 +1418,28 @@ FILE * const fp;
(void) fwrite((void *) buf, (size_t) sizeof buf, (size_t) 1, fp);
}
-static void
-puttzcode64(val, fp)
-const zic_t val;
-FILE * const fp;
-{
- char buf[8];
-
- convert64(val, buf);
- (void) fwrite((void *) buf, (size_t) sizeof buf, (size_t) 1, fp);
-}
-
static int
atcomp(avp, bvp)
-const void * avp;
-const void * bvp;
+void * avp;
+void * bvp;
{
- const zic_t a = ((const struct attype *) avp)->at;
- const zic_t b = ((const struct attype *) bvp)->at;
-
- return (a < b) ? -1 : (a > b);
-}
-
-static int
-is32(x)
-const zic_t x;
-{
- return INT32_MIN <= x && x <= INT32_MAX;
+ if (((struct attype *) avp)->at < ((struct attype *) bvp)->at)
+ return -1;
+ else if (((struct attype *) avp)->at > ((struct attype *) bvp)->at)
+ return 1;
+ else return 0;
}
static void
-writezone(name, string)
+writezone(name)
const char * const name;
-const char * const string;
{
- register FILE * fp;
- register int i, j;
- register int leapcnt32, leapi32;
- register int timecnt32, timei32;
- register int pass;
- static char * fullname;
- static const struct tzhead tzh0;
- static struct tzhead tzh;
- zic_t ats[TZ_MAX_TIMES];
- unsigned char types[TZ_MAX_TIMES];
+ register FILE * fp;
+ register int i, j;
+ static char * fullname;
+ static struct tzhead tzh;
+ time_t ats[TZ_MAX_TIMES];
+ unsigned char types[TZ_MAX_TIMES];
/*
** Sort.
@@ -1510,13 +1462,14 @@ const char * const string;
while (fromi < timecnt && attypes[fromi].type == 0)
++fromi; /* handled by default rule */
for ( ; fromi < timecnt; ++fromi) {
- if (toi != 0 && ((attypes[fromi].at +
- gmtoffs[attypes[toi - 1].type]) <=
- (attypes[toi - 1].at + gmtoffs[toi == 1 ? 0
- : attypes[toi - 2].type]))) {
- attypes[toi - 1].type =
- attypes[fromi].type;
- continue;
+ if (toi != 0
+ && ((attypes[fromi].at
+ + gmtoffs[attypes[toi - 1].type])
+ <= (attypes[toi - 1].at
+ + gmtoffs[toi == 1 ? 0
+ : attypes[toi - 2].type]))) {
+ attypes[toi - 1].type = attypes[fromi].type;
+ continue;
}
if (toi == 0 ||
attypes[toi - 1].type != attypes[fromi].type)
@@ -1531,36 +1484,6 @@ const char * const string;
ats[i] = attypes[i].at;
types[i] = attypes[i].type;
}
- /*
- ** Correct for leap seconds.
- */
- for (i = 0; i < timecnt; ++i) {
- j = leapcnt;
- while (--j >= 0)
- if (ats[i] > trans[j] - corr[j]) {
- ats[i] = tadd(ats[i], corr[j]);
- break;
- }
- }
- /*
- ** Figure out 32-bit-limited starts and counts.
- */
- timecnt32 = timecnt;
- timei32 = 0;
- leapcnt32 = leapcnt;
- leapi32 = 0;
- while (timecnt32 > 0 && !is32(ats[timecnt32 - 1]))
- --timecnt32;
- while (timecnt32 > 0 && !is32(ats[timei32])) {
- --timecnt32;
- ++timei32;
- }
- while (leapcnt32 > 0 && !is32(trans[leapcnt32 - 1]))
- --leapcnt32;
- while (leapcnt32 > 0 && !is32(trans[leapi32])) {
- --leapcnt32;
- ++leapi32;
- }
fullname = erealloc(fullname,
(int) (strlen(directory) + 1 + strlen(name) + 1));
(void) sprintf(fullname, "%s/%s", directory, name);
@@ -1572,388 +1495,102 @@ const char * const string;
(void) fprintf(stderr, _("%s: Can't remove %s: %s\n"),
progname, fullname, e);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
if ((fp = fopen(fullname, "wb")) == NULL) {
if (mkdirs(fullname) != 0)
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
if ((fp = fopen(fullname, "wb")) == NULL) {
const char *e = strerror(errno);
(void) fprintf(stderr, _("%s: Can't create %s: %s\n"),
progname, fullname, e);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
}
- for (pass = 1; pass <= 2; ++pass) {
- register int thistimei, thistimecnt;
- register int thisleapi, thisleapcnt;
- register int thistimelim, thisleaplim;
- int writetype[TZ_MAX_TIMES];
- int typemap[TZ_MAX_TYPES];
- register int thistypecnt;
- char thischars[TZ_MAX_CHARS];
- char thischarcnt;
- int indmap[TZ_MAX_CHARS];
-
- if (pass == 1) {
- thistimei = timei32;
- thistimecnt = timecnt32;
- thisleapi = leapi32;
- thisleapcnt = leapcnt32;
- } else {
- thistimei = 0;
- thistimecnt = timecnt;
- thisleapi = 0;
- thisleapcnt = leapcnt;
- }
- thistimelim = thistimei + thistimecnt;
- thisleaplim = thisleapi + thisleapcnt;
- for (i = 0; i < typecnt; ++i)
- writetype[i] = thistimecnt == timecnt;
- if (thistimecnt == 0) {
- /*
- ** No transition times fall in the current
- ** (32- or 64-bit) window.
- */
- if (typecnt != 0)
- writetype[typecnt - 1] = TRUE;
- } else {
- for (i = thistimei - 1; i < thistimelim; ++i)
- if (i >= 0)
- writetype[types[i]] = TRUE;
- /*
- ** For America/Godthab and Antarctica/Palmer
- */
- if (thistimei == 0)
- writetype[0] = TRUE;
- }
- thistypecnt = 0;
- for (i = 0; i < typecnt; ++i)
- typemap[i] = writetype[i] ? thistypecnt++ : -1;
- for (i = 0; i < sizeof indmap / sizeof indmap[0]; ++i)
- indmap[i] = -1;
- thischarcnt = 0;
- for (i = 0; i < typecnt; ++i) {
- register char * thisabbr;
-
- if (!writetype[i])
- continue;
- if (indmap[abbrinds[i]] >= 0)
- continue;
- thisabbr = &chars[abbrinds[i]];
- for (j = 0; j < thischarcnt; ++j)
- if (strcmp(&thischars[j], thisabbr) == 0)
- break;
- if (j == thischarcnt) {
- (void) strcpy(&thischars[(int) thischarcnt],
- thisabbr);
- thischarcnt += strlen(thisabbr) + 1;
- }
- indmap[abbrinds[i]] = j;
- }
-#define DO(field) (void) fwrite((void *) tzh.field, \
- (size_t) sizeof tzh.field, (size_t) 1, fp)
- tzh = tzh0;
- (void) strncpy(tzh.tzh_magic, TZ_MAGIC, sizeof tzh.tzh_magic);
- tzh.tzh_version[0] = ZIC_VERSION;
- convert(eitol(thistypecnt), tzh.tzh_ttisgmtcnt);
- convert(eitol(thistypecnt), tzh.tzh_ttisstdcnt);
- convert(eitol(thisleapcnt), tzh.tzh_leapcnt);
- convert(eitol(thistimecnt), tzh.tzh_timecnt);
- convert(eitol(thistypecnt), tzh.tzh_typecnt);
- convert(eitol(thischarcnt), tzh.tzh_charcnt);
- DO(tzh_magic);
- DO(tzh_version);
- DO(tzh_reserved);
- DO(tzh_ttisgmtcnt);
- DO(tzh_ttisstdcnt);
- DO(tzh_leapcnt);
- DO(tzh_timecnt);
- DO(tzh_typecnt);
- DO(tzh_charcnt);
+ convert(eitol(typecnt), tzh.tzh_ttisgmtcnt);
+ convert(eitol(typecnt), tzh.tzh_ttisstdcnt);
+ convert(eitol(leapcnt), tzh.tzh_leapcnt);
+ convert(eitol(timecnt), tzh.tzh_timecnt);
+ convert(eitol(typecnt), tzh.tzh_typecnt);
+ convert(eitol(charcnt), tzh.tzh_charcnt);
+ (void) strncpy(tzh.tzh_magic, TZ_MAGIC, sizeof tzh.tzh_magic);
+#define DO(field) (void) fwrite((void *) tzh.field, (size_t) sizeof tzh.field, (size_t) 1, fp)
+ DO(tzh_magic);
+ DO(tzh_reserved);
+ DO(tzh_ttisgmtcnt);
+ DO(tzh_ttisstdcnt);
+ DO(tzh_leapcnt);
+ DO(tzh_timecnt);
+ DO(tzh_typecnt);
+ DO(tzh_charcnt);
#undef DO
- for (i = thistimei; i < thistimelim; ++i)
- if (pass == 1)
- puttzcode((long) ats[i], fp);
- else puttzcode64(ats[i], fp);
- for (i = thistimei; i < thistimelim; ++i) {
- unsigned char uc;
-
- uc = typemap[types[i]];
- (void) fwrite((void *) &uc,
- (size_t) sizeof uc,
- (size_t) 1,
- fp);
- }
- for (i = 0; i < typecnt; ++i)
- if (writetype[i]) {
- puttzcode(gmtoffs[i], fp);
- (void) putc(isdsts[i], fp);
- (void) putc((unsigned char) indmap[abbrinds[i]], fp);
+ for (i = 0; i < timecnt; ++i) {
+ j = leapcnt;
+ while (--j >= 0)
+ if (ats[i] >= trans[j]) {
+ ats[i] = tadd(ats[i], corr[j]);
+ break;
}
- if (thischarcnt != 0)
- (void) fwrite((void *) thischars,
- (size_t) sizeof thischars[0],
- (size_t) thischarcnt, fp);
- for (i = thisleapi; i < thisleaplim; ++i) {
- register zic_t todo;
-
- if (roll[i]) {
- if (timecnt == 0 || trans[i] < ats[0]) {
- j = 0;
- while (isdsts[j])
- if (++j >= typecnt) {
- j = 0;
- break;
- }
- } else {
- j = 1;
- while (j < timecnt &&
- trans[i] >= ats[j])
- ++j;
- j = types[j - 1];
- }
- todo = tadd(trans[i], -gmtoffs[j]);
- } else todo = trans[i];
- if (pass == 1)
- puttzcode((long) todo, fp);
- else puttzcode64(todo, fp);
- puttzcode(corr[i], fp);
- }
- for (i = 0; i < typecnt; ++i)
- if (writetype[i])
- (void) putc(ttisstds[i], fp);
- for (i = 0; i < typecnt; ++i)
- if (writetype[i])
- (void) putc(ttisgmts[i], fp);
- }
- (void) fprintf(fp, "\n%s\n", string);
+ puttzcode((long) ats[i], fp);
+ }
+ if (timecnt > 0)
+ (void) fwrite((void *) types, (size_t) sizeof types[0],
+ (size_t) timecnt, fp);
+ for (i = 0; i < typecnt; ++i) {
+ puttzcode((long) gmtoffs[i], fp);
+ (void) putc(isdsts[i], fp);
+ (void) putc(abbrinds[i], fp);
+ }
+ if (charcnt != 0)
+ (void) fwrite((void *) chars, (size_t) sizeof chars[0],
+ (size_t) charcnt, fp);
+ for (i = 0; i < leapcnt; ++i) {
+ if (roll[i]) {
+ if (timecnt == 0 || trans[i] < ats[0]) {
+ j = 0;
+ while (isdsts[j])
+ if (++j >= typecnt) {
+ j = 0;
+ break;
+ }
+ } else {
+ j = 1;
+ while (j < timecnt && trans[i] >= ats[j])
+ ++j;
+ j = types[j - 1];
+ }
+ puttzcode((long) tadd(trans[i], -gmtoffs[j]), fp);
+ } else puttzcode((long) trans[i], fp);
+ puttzcode((long) corr[i], fp);
+ }
+ for (i = 0; i < typecnt; ++i)
+ (void) putc(ttisstds[i], fp);
+ for (i = 0; i < typecnt; ++i)
+ (void) putc(ttisgmts[i], fp);
if (ferror(fp) || fclose(fp)) {
(void) fprintf(stderr, _("%s: Error writing %s\n"),
progname, fullname);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
}
static void
-doabbr(abbr, format, letters, isdst, doquotes)
+doabbr(abbr, format, letters, isdst)
char * const abbr;
const char * const format;
const char * const letters;
const int isdst;
-const int doquotes;
{
- register char * cp;
- register char * slashp;
- register int len;
-
- slashp = strchr(format, '/');
- if (slashp == NULL) {
+ if (strchr(format, '/') == NULL) {
if (letters == NULL)
(void) strcpy(abbr, format);
else (void) sprintf(abbr, format, letters);
- } else if (isdst) {
- (void) strcpy(abbr, slashp + 1);
- } else {
- if (slashp > format)
- (void) strncpy(abbr, format,
- (unsigned) (slashp - format));
- abbr[slashp - format] = '\0';
- }
- if (!doquotes)
- return;
- for (cp = abbr; *cp != '\0'; ++cp)
- if (strchr("ABCDEFGHIJKLMNOPQRSTUVWXYZ", *cp) == NULL &&
- strchr("abcdefghijklmnopqrstuvwxyz", *cp) == NULL)
- break;
- len = strlen(abbr);
- if (len > 0 && *cp == '\0')
- return;
- abbr[len + 2] = '\0';
- abbr[len + 1] = '>';
- for ( ; len > 0; --len)
- abbr[len] = abbr[len - 1];
- abbr[0] = '<';
-}
-
-static void
-updateminmax(x)
-const int x;
-{
- if (min_year > x)
- min_year = x;
- if (max_year < x)
- max_year = x;
-}
-
-static int
-stringoffset(result, offset)
-char * result;
-long offset;
-{
- register int hours;
- register int minutes;
- register int seconds;
-
- result[0] = '\0';
- if (offset < 0) {
- (void) strcpy(result, "-");
- offset = -offset;
- }
- seconds = offset % SECSPERMIN;
- offset /= SECSPERMIN;
- minutes = offset % MINSPERHOUR;
- offset /= MINSPERHOUR;
- hours = offset;
- if (hours >= HOURSPERDAY) {
- result[0] = '\0';
- return -1;
- }
- (void) sprintf(end(result), "%d", hours);
- if (minutes != 0 || seconds != 0) {
- (void) sprintf(end(result), ":%02d", minutes);
- if (seconds != 0)
- (void) sprintf(end(result), ":%02d", seconds);
- }
- return 0;
-}
-
-static int
-stringrule(result, rp, dstoff, gmtoff)
-char * result;
-const struct rule * const rp;
-const long dstoff;
-const long gmtoff;
-{
- register long tod;
-
- result = end(result);
- if (rp->r_dycode == DC_DOM) {
- register int month, total;
-
- if (rp->r_dayofmonth == 29 && rp->r_month == TM_FEBRUARY)
- return -1;
- total = 0;
- for (month = 0; month < rp->r_month; ++month)
- total += len_months[0][month];
- (void) sprintf(result, "J%d", total + rp->r_dayofmonth);
- } else {
- register int week;
-
- if (rp->r_dycode == DC_DOWGEQ) {
- week = 1 + rp->r_dayofmonth / DAYSPERWEEK;
- if ((week - 1) * DAYSPERWEEK + 1 != rp->r_dayofmonth)
- return -1;
- } else if (rp->r_dycode == DC_DOWLEQ) {
- if (rp->r_dayofmonth == len_months[1][rp->r_month])
- week = 5;
- else {
- week = 1 + rp->r_dayofmonth / DAYSPERWEEK;
- if (week * DAYSPERWEEK - 1 != rp->r_dayofmonth)
- return -1;
- }
- } else return -1; /* "cannot happen" */
- (void) sprintf(result, "M%d.%d.%d",
- rp->r_month + 1, week, rp->r_wday);
- }
- tod = rp->r_tod;
- if (rp->r_todisgmt)
- tod += gmtoff;
- if (rp->r_todisstd && rp->r_stdoff == 0)
- tod += dstoff;
- if (tod < 0) {
- result[0] = '\0';
- return -1;
- }
- if (tod != 2 * SECSPERMIN * MINSPERHOUR) {
- (void) strcat(result, "/");
- if (stringoffset(end(result), tod) != 0)
- return -1;
- }
- return 0;
-}
-
-static void
-stringzone(result, zpfirst, zonecount)
-char * result;
-const struct zone * const zpfirst;
-const int zonecount;
-{
- register const struct zone * zp;
- register struct rule * rp;
- register struct rule * stdrp;
- register struct rule * dstrp;
- register int i;
- register const char * abbrvar;
-
- result[0] = '\0';
- zp = zpfirst + zonecount - 1;
- stdrp = dstrp = NULL;
- for (i = 0; i < zp->z_nrules; ++i) {
- rp = &zp->z_rules[i];
- if (rp->r_hiwasnum || rp->r_hiyear != INT_MAX)
- continue;
- if (rp->r_yrtype != NULL)
- continue;
- if (rp->r_stdoff == 0) {
- if (stdrp == NULL)
- stdrp = rp;
- else return;
- } else {
- if (dstrp == NULL)
- dstrp = rp;
- else return;
- }
- }
- if (stdrp == NULL && dstrp == NULL) {
- /*
- ** There are no rules running through "max".
- ** Let's find the latest rule.
- */
- for (i = 0; i < zp->z_nrules; ++i) {
- rp = &zp->z_rules[i];
- if (stdrp == NULL || rp->r_hiyear > stdrp->r_hiyear ||
- (rp->r_hiyear == stdrp->r_hiyear &&
- rp->r_month > stdrp->r_month))
- stdrp = rp;
- }
- if (stdrp != NULL && stdrp->r_stdoff != 0)
- return; /* We end up in DST (a POSIX no-no). */
- /*
- ** Horrid special case: if year is 2037,
- ** presume this is a zone handled on a year-by-year basis;
- ** do not try to apply a rule to the zone.
- */
- if (stdrp != NULL && stdrp->r_hiyear == 2037)
- return;
- }
- if (stdrp == NULL && zp->z_nrules != 0)
- return;
- abbrvar = (stdrp == NULL) ? "" : stdrp->r_abbrvar;
- doabbr(result, zp->z_format, abbrvar, FALSE, TRUE);
- if (stringoffset(end(result), -zp->z_gmtoff) != 0) {
- result[0] = '\0';
- return;
- }
- if (dstrp == NULL)
- return;
- doabbr(end(result), zp->z_format, dstrp->r_abbrvar, TRUE, TRUE);
- if (dstrp->r_stdoff != SECSPERMIN * MINSPERHOUR)
- if (stringoffset(end(result),
- -(zp->z_gmtoff + dstrp->r_stdoff)) != 0) {
- result[0] = '\0';
- return;
- }
- (void) strcat(result, ",");
- if (stringrule(result, dstrp, dstrp->r_stdoff, zp->z_gmtoff) != 0) {
- result[0] = '\0';
- return;
- }
- (void) strcat(result, ",");
- if (stringrule(result, stdrp, dstrp->r_stdoff, zp->z_gmtoff) != 0) {
- result[0] = '\0';
- return;
+ } else if (isdst)
+ (void) strcpy(abbr, strchr(format, '/') + 1);
+ else {
+ (void) strcpy(abbr, format);
+ *strchr(abbr, '/') = '\0';
}
}
@@ -1966,7 +1603,7 @@ const int zonecount;
register struct rule * rp;
register int i, j;
register int usestart, useuntil;
- register zic_t starttime, untiltime;
+ register time_t starttime, untiltime;
register long gmtoff;
register long stdoff;
register int year;
@@ -1974,17 +1611,8 @@ const int zonecount;
register int startttisstd;
register int startttisgmt;
register int type;
- register char * startbuf;
- register char * ab;
- register char * envvar;
- register int max_abbr_len;
- register int max_envvar_len;
-
- max_abbr_len = 2 + max_format_len + max_abbrvar_len;
- max_envvar_len = 2 * max_abbr_len + 5 * 9;
- startbuf = emalloc(max_abbr_len + 1);
- ab = emalloc(max_abbr_len + 1);
- envvar = emalloc(max_envvar_len + 1);
+ char startbuf[BUFSIZ];
+
INITIALIZE(untiltime);
INITIALIZE(starttime);
/*
@@ -1994,53 +1622,11 @@ const int zonecount;
typecnt = 0;
charcnt = 0;
/*
- ** Thanks to Earl Chew
+ ** Thanks to Earl Chew (earl@dnd.icp.nec.com.au)
** for noting the need to unconditionally initialize startttisstd.
*/
startttisstd = FALSE;
startttisgmt = FALSE;
- min_year = max_year = EPOCH_YEAR;
- if (leapseen) {
- updateminmax(leapminyear);
- updateminmax(leapmaxyear);
- }
- for (i = 0; i < zonecount; ++i) {
- zp = &zpfirst[i];
- updateminmax(zp->z_untilrule.r_loyear);
- for (j = 0; j < zp->z_nrules; ++j) {
- rp = &zp->z_rules[j];
- if (rp->r_lowasnum)
- updateminmax(rp->r_loyear);
- if (rp->r_hiwasnum)
- updateminmax(rp->r_hiyear);
- }
- }
- /*
- ** Generate lots of data if a rule can't cover all future times.
- */
- stringzone(envvar, zpfirst, zonecount);
- if (noise && envvar[0] == '\0') {
- register char * wp;
-
-wp = ecpyalloc(_("no POSIX environment variable for zone"));
- wp = ecatalloc(wp, " ");
- wp = ecatalloc(wp, zpfirst->z_name);
- warning(wp);
- ifree(wp);
- }
- if (envvar[0] == '\0') {
- if (min_year >= INT_MIN + YEARSPERREPEAT)
- min_year -= YEARSPERREPEAT;
- else min_year = INT_MIN;
- if (max_year <= INT_MAX - YEARSPERREPEAT)
- max_year += YEARSPERREPEAT;
- else max_year = INT_MAX;
- }
- /*
- ** For the benefit of older systems, generate data through 2037.
- */
- if (max_year < 2037)
- max_year = 2037;
for (i = 0; i < zonecount; ++i) {
/*
** A guess that may well be corrected later.
@@ -2058,7 +1644,7 @@ wp = ecpyalloc(_("no POSIX environment variable for zone"));
if (zp->z_nrules == 0) {
stdoff = zp->z_stdoff;
doabbr(startbuf, zp->z_format,
- (char *) NULL, stdoff != 0, FALSE);
+ (char *) NULL, stdoff != 0);
type = addtype(oadd(zp->z_gmtoff, stdoff),
startbuf, stdoff != 0, startttisstd,
startttisgmt);
@@ -2086,8 +1672,9 @@ wp = ecpyalloc(_("no POSIX environment variable for zone"));
}
for ( ; ; ) {
register int k;
- register zic_t jtime, ktime;
+ register time_t jtime, ktime;
register long offset;
+ char buf[BUFSIZ];
INITIALIZE(ktime);
if (useuntil) {
@@ -2143,27 +1730,23 @@ wp = ecpyalloc(_("no POSIX environment variable for zone"));
stdoff);
doabbr(startbuf, zp->z_format,
rp->r_abbrvar,
- rp->r_stdoff != 0,
- FALSE);
+ rp->r_stdoff != 0);
continue;
}
if (*startbuf == '\0' &&
- startoff == oadd(zp->z_gmtoff,
- stdoff)) {
- doabbr(startbuf,
- zp->z_format,
- rp->r_abbrvar,
- rp->r_stdoff !=
- 0,
- FALSE);
+ startoff == oadd(zp->z_gmtoff,
+ stdoff)) {
+ doabbr(startbuf, zp->z_format,
+ rp->r_abbrvar,
+ rp->r_stdoff != 0);
}
}
eats(zp->z_filename, zp->z_linenum,
rp->r_filename, rp->r_linenum);
- doabbr(ab, zp->z_format, rp->r_abbrvar,
- rp->r_stdoff != 0, FALSE);
+ doabbr(buf, zp->z_format, rp->r_abbrvar,
+ rp->r_stdoff != 0);
offset = oadd(zp->z_gmtoff, rp->r_stdoff);
- type = addtype(offset, ab, rp->r_stdoff != 0,
+ type = addtype(offset, buf, rp->r_stdoff != 0,
rp->r_todisstd, rp->r_todisgmt);
addtt(ktime, type);
}
@@ -2196,15 +1779,12 @@ error(_("can't determine time zone abbreviation to use just after until time"));
starttime = tadd(starttime, -gmtoff);
}
}
- writezone(zpfirst->z_name, envvar);
- ifree(startbuf);
- ifree(ab);
- ifree(envvar);
+ writezone(zpfirst->z_name);
}
static void
addtt(starttime, type)
-const zic_t starttime;
+const time_t starttime;
int type;
{
if (starttime <= min_time ||
@@ -2223,7 +1803,7 @@ int type;
}
if (timecnt >= TZ_MAX_TIMES) {
error(_("too many transitions?!"));
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
attypes[timecnt].at = starttime;
attypes[timecnt].type = type;
@@ -2242,15 +1822,15 @@ const int ttisgmt;
if (isdst != TRUE && isdst != FALSE) {
error(_("internal error - addtype called with bad isdst"));
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
if (ttisstd != TRUE && ttisstd != FALSE) {
error(_("internal error - addtype called with bad ttisstd"));
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
if (ttisgmt != TRUE && ttisgmt != FALSE) {
error(_("internal error - addtype called with bad ttisgmt"));
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
/*
** See if there's already an entry for this zone type.
@@ -2269,7 +1849,7 @@ const int ttisgmt;
*/
if (typecnt >= TZ_MAX_TYPES) {
error(_("too many local time types"));
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
gmtoffs[i] = gmtoff;
isdsts[i] = isdst;
@@ -2288,7 +1868,7 @@ const int ttisgmt;
static void
leapadd(t, positive, rolling, count)
-const zic_t t;
+const time_t t;
const int positive;
const int rolling;
int count;
@@ -2297,13 +1877,13 @@ int count;
if (leapcnt + (positive ? count : 1) > TZ_MAX_LEAPS) {
error(_("too many leap seconds"));
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
for (i = 0; i < leapcnt; ++i)
if (t <= trans[i]) {
if (t == trans[i]) {
error(_("repeated leap second moment"));
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
break;
}
@@ -2358,7 +1938,7 @@ const char * const type;
(void) fprintf(stderr, _("%s: command was '%s', result was %d\n"),
progname, buf, result);
for ( ; ; )
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
static int
@@ -2439,9 +2019,8 @@ register char * cp;
emalloc((int) ((strlen(cp) + 1) * sizeof *array));
nsubs = 0;
for ( ; ; ) {
- while (isascii((unsigned char) *cp) &&
- isspace((unsigned char) *cp))
- ++cp;
+ while (isascii(*cp) && isspace((unsigned char) *cp))
+ ++cp;
if (*cp == '\0' || *cp == '#')
break;
array[nsubs++] = dp = cp;
@@ -2451,9 +2030,7 @@ register char * cp;
else while ((*dp = *cp++) != '"')
if (*dp != '\0')
++dp;
- else error(_(
- "Odd number of quotation marks"
- ));
+ else error(_("Odd number of quotation marks"));
} while (*cp != '\0' && *cp != '#' &&
(!isascii(*cp) || !isspace((unsigned char) *cp)));
if (isascii(*cp) && isspace((unsigned char) *cp))
@@ -2474,17 +2051,17 @@ const long t2;
t = t1 + t2;
if ((t2 > 0 && t <= t1) || (t2 < 0 && t >= t1)) {
error(_("time overflow"));
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
return t;
}
-static zic_t
+static time_t
tadd(t1, t2)
-const zic_t t1;
+const time_t t1;
const long t2;
{
- register zic_t t;
+ register time_t t;
if (t1 == max_time && t2 > 0)
return max_time;
@@ -2493,7 +2070,7 @@ const long t2;
t = t1 + t2;
if ((t2 > 0 && t <= t1) || (t2 < 0 && t >= t1)) {
error(_("time overflow"));
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
return t;
}
@@ -2503,14 +2080,14 @@ const long t2;
** 1970, 00:00 LOCAL time - in that year that the rule refers to.
*/
-static zic_t
+static time_t
rpytime(rp, wantedy)
register const struct rule * const rp;
register const int wantedy;
{
register int y, m, i;
register long dayoff; /* with a nod to Margaret O. */
- register zic_t t;
+ register time_t t;
if (wantedy == INT_MIN)
return min_time;
@@ -2540,7 +2117,7 @@ register const int wantedy;
--i;
else {
error(_("use of 2/29 in non leap-year"));
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
}
--i;
@@ -2574,15 +2151,18 @@ register const int wantedy;
}
if (i < 0 || i >= len_months[isleap(y)][m]) {
if (noise)
- warning(_("rule goes past start/end of month--\
-will not work with pre-2004 versions of zic"));
+ warning(_("rule goes past start/end of month--will not work with pre-2004 versions of zic"));
}
}
+ if (dayoff < 0 && !TYPE_SIGNED(time_t))
+ return min_time;
if (dayoff < min_time / SECSPERDAY)
return min_time;
if (dayoff > max_time / SECSPERDAY)
return max_time;
- t = (zic_t) dayoff * SECSPERDAY;
+ t = (time_t) dayoff * SECSPERDAY;
+ if (t > 0 && max_time - t < rp->r_tod)
+ return max_time;
return tadd(t, rp->r_tod);
}
@@ -2592,48 +2172,10 @@ const char * const string;
{
register int i;
- if (strcmp(string, GRANDPARENTED) != 0) {
- register const char * cp;
- register char * wp;
-
- /*
- ** Want one to ZIC_MAX_ABBR_LEN_WO_WARN alphabetics
- ** optionally followed by a + or - and a number from 1 to 14.
- */
- cp = string;
- wp = NULL;
- while (isascii((unsigned char) *cp) &&
- isalpha((unsigned char) *cp))
- ++cp;
- if (cp - string == 0)
-wp = _("time zone abbreviation lacks alphabetic at start");
- if (noise && cp - string > 3)
-wp = _("time zone abbreviation has more than 3 alphabetics");
- if (cp - string > ZIC_MAX_ABBR_LEN_WO_WARN)
-wp = _("time zone abbreviation has too many alphabetics");
- if (wp == NULL && (*cp == '+' || *cp == '-')) {
- ++cp;
- if (isascii((unsigned char) *cp) &&
- isdigit((unsigned char) *cp))
- if (*cp++ == '1' &&
- *cp >= '0' && *cp <= '4')
- ++cp;
- }
- if (*cp != '\0')
-wp = _("time zone abbreviation differs from POSIX standard");
- if (wp != NULL) {
- wp = ecpyalloc(wp);
- wp = ecatalloc(wp, " (");
- wp = ecatalloc(wp, string);
- wp = ecatalloc(wp, ")");
- warning(wp);
- ifree(wp);
- }
- }
i = strlen(string) + 1;
if (charcnt + i > TZ_MAX_CHARS) {
error(_("too many, or too long, time zone abbreviations"));
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
(void) strcpy(&chars[charcnt], string);
charcnt += eitol(i);
@@ -2697,7 +2239,7 @@ const int i;
(void) fprintf(stderr,
_("%s: %d did not sign extend correctly\n"),
progname, i);
- exit(EXIT_FAILURE);
+ (void) exit(EXIT_FAILURE);
}
return l;
}
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