| Index: icu46/source/tools/tzcode/zic.c
|
| ===================================================================
|
| --- icu46/source/tools/tzcode/zic.c (revision 0)
|
| +++ icu46/source/tools/tzcode/zic.c (revision 0)
|
| @@ -0,0 +1,2979 @@
|
| +/*
|
| +** This file is in the public domain, so clarified as of
|
| +** 2006-07-17 by Arthur David Olson.
|
| +*/
|
| +
|
| +static char elsieid[] = "@(#)zic.c 8.18";
|
| +
|
| +#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
|
| +#ifdef S_IRUSR
|
| +#define MKDIR_UMASK (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH)
|
| +#else
|
| +#define MKDIR_UMASK 0755
|
| +#endif
|
| +
|
| +/* Enable extensions and modifications for ICU. */
|
| +#define ICU
|
| +
|
| +/* Continue executing after link failure. Even if ICU is undefined
|
| + * (for vanilla zic behavior), ICU_LINKS should be defined, since zic
|
| + * appears to fail on the 2003 data the first time through during the
|
| + * linking phase. Running zic twice, with ICU_LINKS defined, causes
|
| + * links to be handled correctly. */
|
| +#define ICU_LINKS
|
| +
|
| +#ifdef ICU
|
| +#include "tz2icu.h"
|
| +#endif
|
| +
|
| +/*
|
| +** On some ancient hosts, predicates like `isspace(C)' are defined
|
| +** 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.
|
| +** If isascii is not defined, the isascii check succeeds trivially.
|
| +*/
|
| +#include "ctype.h"
|
| +#ifndef isascii
|
| +#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;
|
| + const char * r_name;
|
| +
|
| + 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 */
|
| +
|
| + int r_dycode; /* see below */
|
| + int r_dayofmonth;
|
| + int r_wday;
|
| +
|
| + long r_tod; /* time from midnight */
|
| + int r_todisstd; /* above is standard time if TRUE */
|
| + /* or wall clock time if FALSE */
|
| + int r_todisgmt; /* above is GMT if TRUE */
|
| + /* or local time if FALSE */
|
| + long r_stdoff; /* offset from standard time */
|
| + 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 */
|
| +};
|
| +
|
| +/*
|
| +** r_dycode r_dayofmonth r_wday
|
| +*/
|
| +
|
| +#define DC_DOM 0 /* 1..31 */ /* unused */
|
| +#define DC_DOWGEQ 1 /* 1..31 */ /* 0..6 (Sun..Sat) */
|
| +#define DC_DOWLEQ 2 /* 1..31 */ /* 0..6 (Sun..Sat) */
|
| +
|
| +struct zone {
|
| + const char * z_filename;
|
| + int z_linenum;
|
| +
|
| + const char * z_name;
|
| + long z_gmtoff;
|
| + const char * z_rule;
|
| + const char * z_format;
|
| +
|
| + long z_stdoff;
|
| +
|
| + struct rule * z_rules;
|
| + int z_nrules;
|
| +
|
| + struct rule z_untilrule;
|
| + zic_t z_untiltime;
|
| +};
|
| +
|
| +extern int getopt(int argc, char * const argv[],
|
| + const char * options);
|
| +extern int link(const char * fromname, const char * toname);
|
| +extern char * optarg;
|
| +extern int optind;
|
| +
|
| +static void addtt(zic_t starttime, int type);
|
| +#ifdef ICU
|
| +static int addtype(long gmtoff, long rawoff, long dstoff,
|
| + const char * abbr, int isdst,
|
| + int ttisstd, int ttisgmt);
|
| +#else
|
| +static int addtype(long gmtoff, const char * abbr, int isdst,
|
| + int ttisstd, int ttisgmt);
|
| +#endif
|
| +static void leapadd(zic_t t, int positive, int rolling, int count);
|
| +static void adjleap(void);
|
| +static void associate(void);
|
| +static int ciequal(const char * ap, const char * bp);
|
| +static void convert(long val, char * buf);
|
| +static void convert64(zic_t val, char * buf);
|
| +static void dolink(const char * fromfield, const char * tofield);
|
| +static void doabbr(char * abbr, const char * format,
|
| + const char * letters, int isdst, int doquotes);
|
| +static void eat(const char * name, int num);
|
| +static void eats(const char * name, int num,
|
| + const char * rname, int rnum);
|
| +static long eitol(int i);
|
| +static void error(const char * message);
|
| +static char ** getfields(char * buf);
|
| +static long gethms(const char * string, const char * errstrng,
|
| + int signable);
|
| +static void infile(const char * filename);
|
| +static void inleap(char ** fields, int nfields);
|
| +static void inlink(char ** fields, int nfields);
|
| +static void inrule(char ** fields, int nfields);
|
| +static int inzcont(char ** fields, int nfields);
|
| +static int inzone(char ** fields, int nfields);
|
| +static int inzsub(char ** fields, int nfields, int iscont);
|
| +static int is32(zic_t x);
|
| +static int itsabbr(const char * abbr, const char * word);
|
| +static int itsdir(const char * name);
|
| +static int lowerit(int c);
|
| +static char * memcheck(char * tocheck);
|
| +static int mkdirs(char * filename);
|
| +static void newabbr(const char * abbr);
|
| +static long oadd(long t1, long t2);
|
| +static void outzone(const struct zone * zp, int ntzones);
|
| +static void puttzcode(long code, FILE * fp);
|
| +static void puttzcode64(zic_t code, FILE * fp);
|
| +static int rcomp(const void * leftp, const void * rightp);
|
| +static zic_t rpytime(const struct rule * rp, int wantedy);
|
| +static void rulesub(struct rule * rp,
|
| + const char * loyearp, const char * hiyearp,
|
| + const char * typep, const char * monthp,
|
| + const char * dayp, const char * timep);
|
| +static int stringoffset(char * result, long offset);
|
| +static int stringrule(char * result, const struct rule * rp,
|
| + long dstoff, long gmtoff);
|
| +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(FILE *stream, int status);
|
| +static void writezone(const char * name, const char * string);
|
| +static int yearistype(int year, const char * type);
|
| +#ifdef ICU
|
| +static void emit_icu_zone(FILE* f, const char* zoneName, int zoneOffset,
|
| + const struct rule* rule,
|
| + int ruleIndex, int startYear);
|
| +static void emit_icu_link(FILE* f, const char* from, const char* to);
|
| +static void emit_icu_rule(FILE* f, const struct rule* r, int ruleIndex);
|
| +static int add_icu_final_rules(const struct rule* r1, const struct rule* r2);
|
| +#endif
|
| +
|
| +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 int max_year;
|
| +static zic_t min_time;
|
| +static int min_year;
|
| +static int noise;
|
| +static const char * rfilename;
|
| +static int rlinenum;
|
| +static const char * progname;
|
| +static int timecnt;
|
| +static int typecnt;
|
| +
|
| +/*
|
| +** Line codes.
|
| +*/
|
| +
|
| +#define LC_RULE 0
|
| +#define LC_ZONE 1
|
| +#define LC_LINK 2
|
| +#define LC_LEAP 3
|
| +
|
| +/*
|
| +** Which fields are which on a Zone line.
|
| +*/
|
| +
|
| +#define ZF_NAME 1
|
| +#define ZF_GMTOFF 2
|
| +#define ZF_RULE 3
|
| +#define ZF_FORMAT 4
|
| +#define ZF_TILYEAR 5
|
| +#define ZF_TILMONTH 6
|
| +#define ZF_TILDAY 7
|
| +#define ZF_TILTIME 8
|
| +#define ZONE_MINFIELDS 5
|
| +#define ZONE_MAXFIELDS 9
|
| +
|
| +/*
|
| +** Which fields are which on a Zone continuation line.
|
| +*/
|
| +
|
| +#define ZFC_GMTOFF 0
|
| +#define ZFC_RULE 1
|
| +#define ZFC_FORMAT 2
|
| +#define ZFC_TILYEAR 3
|
| +#define ZFC_TILMONTH 4
|
| +#define ZFC_TILDAY 5
|
| +#define ZFC_TILTIME 6
|
| +#define ZONEC_MINFIELDS 3
|
| +#define ZONEC_MAXFIELDS 7
|
| +
|
| +/*
|
| +** Which files are which on a Rule line.
|
| +*/
|
| +
|
| +#define RF_NAME 1
|
| +#define RF_LOYEAR 2
|
| +#define RF_HIYEAR 3
|
| +#define RF_COMMAND 4
|
| +#define RF_MONTH 5
|
| +#define RF_DAY 6
|
| +#define RF_TOD 7
|
| +#define RF_STDOFF 8
|
| +#define RF_ABBRVAR 9
|
| +#define RULE_FIELDS 10
|
| +
|
| +/*
|
| +** Which fields are which on a Link line.
|
| +*/
|
| +
|
| +#define LF_FROM 1
|
| +#define LF_TO 2
|
| +#define LINK_FIELDS 3
|
| +
|
| +/*
|
| +** Which fields are which on a Leap line.
|
| +*/
|
| +
|
| +#define LP_YEAR 1
|
| +#define LP_MONTH 2
|
| +#define LP_DAY 3
|
| +#define LP_TIME 4
|
| +#define LP_CORR 5
|
| +#define LP_ROLL 6
|
| +#define LEAP_FIELDS 7
|
| +
|
| +/*
|
| +** Year synonyms.
|
| +*/
|
| +
|
| +#define YR_MINIMUM 0
|
| +#define YR_MAXIMUM 1
|
| +#define YR_ONLY 2
|
| +
|
| +static struct rule * rules;
|
| +static int nrules; /* number of rules */
|
| +
|
| +static struct zone * zones;
|
| +static int nzones; /* number of zones */
|
| +
|
| +struct link {
|
| + const char * l_filename;
|
| + int l_linenum;
|
| + const char * l_from;
|
| + const char * l_to;
|
| +};
|
| +
|
| +static struct link * links;
|
| +static int nlinks;
|
| +
|
| +struct lookup {
|
| + const char * l_word;
|
| + const int l_value;
|
| +};
|
| +
|
| +#ifdef ICU
|
| +/* Indices into rules[] for final rules. They will occur in pairs,
|
| + * with finalRules[i] occurring before finalRules[i+1] in the year.
|
| + * Each zone need only store a start year, a standard offset, and an
|
| + * index into finalRules[]. FinalRules[] are aliases into rules[]. */
|
| +static const struct rule ** finalRules;
|
| +static int finalRulesCount;
|
| +#endif
|
| +
|
| +static struct lookup const * byword(const char * string,
|
| + const struct lookup * lp);
|
| +
|
| +static struct lookup const line_codes[] = {
|
| + { "Rule", LC_RULE },
|
| + { "Zone", LC_ZONE },
|
| + { "Link", LC_LINK },
|
| + { "Leap", LC_LEAP },
|
| + { NULL, 0}
|
| +};
|
| +
|
| +static struct lookup const mon_names[] = {
|
| + { "January", TM_JANUARY },
|
| + { "February", TM_FEBRUARY },
|
| + { "March", TM_MARCH },
|
| + { "April", TM_APRIL },
|
| + { "May", TM_MAY },
|
| + { "June", TM_JUNE },
|
| + { "July", TM_JULY },
|
| + { "August", TM_AUGUST },
|
| + { "September", TM_SEPTEMBER },
|
| + { "October", TM_OCTOBER },
|
| + { "November", TM_NOVEMBER },
|
| + { "December", TM_DECEMBER },
|
| + { NULL, 0 }
|
| +};
|
| +
|
| +static struct lookup const wday_names[] = {
|
| + { "Sunday", TM_SUNDAY },
|
| + { "Monday", TM_MONDAY },
|
| + { "Tuesday", TM_TUESDAY },
|
| + { "Wednesday", TM_WEDNESDAY },
|
| + { "Thursday", TM_THURSDAY },
|
| + { "Friday", TM_FRIDAY },
|
| + { "Saturday", TM_SATURDAY },
|
| + { NULL, 0 }
|
| +};
|
| +
|
| +static struct lookup const lasts[] = {
|
| + { "last-Sunday", TM_SUNDAY },
|
| + { "last-Monday", TM_MONDAY },
|
| + { "last-Tuesday", TM_TUESDAY },
|
| + { "last-Wednesday", TM_WEDNESDAY },
|
| + { "last-Thursday", TM_THURSDAY },
|
| + { "last-Friday", TM_FRIDAY },
|
| + { "last-Saturday", TM_SATURDAY },
|
| + { NULL, 0 }
|
| +};
|
| +
|
| +static struct lookup const begin_years[] = {
|
| + { "minimum", YR_MINIMUM },
|
| + { "maximum", YR_MAXIMUM },
|
| + { NULL, 0 }
|
| +};
|
| +
|
| +static struct lookup const end_years[] = {
|
| + { "minimum", YR_MINIMUM },
|
| + { "maximum", YR_MAXIMUM },
|
| + { "only", YR_ONLY },
|
| + { NULL, 0 }
|
| +};
|
| +
|
| +static struct lookup const leap_types[] = {
|
| + { "Rolling", TRUE },
|
| + { "Stationary", FALSE },
|
| + { NULL, 0 }
|
| +};
|
| +
|
| +static const int len_months[2][MONSPERYEAR] = {
|
| + { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
|
| + { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
|
| +};
|
| +
|
| +static const int len_years[2] = {
|
| + DAYSPERNYEAR, DAYSPERLYEAR
|
| +};
|
| +
|
| +static struct attype {
|
| + zic_t at;
|
| + unsigned char type;
|
| +} attypes[TZ_MAX_TIMES];
|
| +static long gmtoffs[TZ_MAX_TYPES];
|
| +#ifdef ICU
|
| +/* gmtoffs[i] = rawoffs[i] + dstoffs[i] */
|
| +static long rawoffs[TZ_MAX_TYPES];
|
| +static long dstoffs[TZ_MAX_TYPES];
|
| +#endif
|
| +static char isdsts[TZ_MAX_TYPES];
|
| +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 long corr[TZ_MAX_LEAPS];
|
| +static char roll[TZ_MAX_LEAPS];
|
| +
|
| +/*
|
| +** Memory allocation.
|
| +*/
|
| +
|
| +static char *
|
| +memcheck(ptr)
|
| +char * const ptr;
|
| +{
|
| + if (ptr == NULL) {
|
| + const char *e = strerror(errno);
|
| +
|
| + (void) fprintf(stderr, _("%s: Memory exhausted: %s\n"),
|
| + progname, e);
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + return ptr;
|
| +}
|
| +
|
| +#define emalloc(size) memcheck(imalloc(size))
|
| +#define erealloc(ptr, size) memcheck(irealloc((ptr), (size)))
|
| +#define ecpyalloc(ptr) memcheck(icpyalloc(ptr))
|
| +#define ecatalloc(oldp, newp) memcheck(icatalloc((oldp), (newp)))
|
| +
|
| +/*
|
| +** Error handling.
|
| +*/
|
| +
|
| +static void
|
| +eats(name, num, rname, rnum)
|
| +const char * const name;
|
| +const int num;
|
| +const char * const rname;
|
| +const int rnum;
|
| +{
|
| + filename = name;
|
| + linenum = num;
|
| + rfilename = rname;
|
| + rlinenum = rnum;
|
| +}
|
| +
|
| +static void
|
| +eat(name, num)
|
| +const char * const name;
|
| +const int num;
|
| +{
|
| + eats(name, num, (char *) NULL, -1);
|
| +}
|
| +
|
| +static void
|
| +error(string)
|
| +const char * const string;
|
| +{
|
| + /*
|
| + ** Match the format of "cc" to allow sh users to
|
| + ** zic ... 2>&1 | error -t "*" -v
|
| + ** on BSD systems.
|
| + */
|
| + (void) fprintf(stderr, _("\"%s\", line %d: %s"),
|
| + filename, linenum, string);
|
| + if (rfilename != NULL)
|
| + (void) fprintf(stderr, _(" (rule from \"%s\", line %d)"),
|
| + rfilename, rlinenum);
|
| + (void) fprintf(stderr, "\n");
|
| + ++errors;
|
| +}
|
| +
|
| +static void
|
| +warning(string)
|
| +const char * const string;
|
| +{
|
| + char * cp;
|
| +
|
| + cp = ecpyalloc(_("warning: "));
|
| + cp = ecatalloc(cp, string);
|
| + error(cp);
|
| + ifree(cp);
|
| + --errors;
|
| +}
|
| +
|
| +static void
|
| +usage(FILE *stream, int status)
|
| +{
|
| + (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);
|
| +}
|
| +
|
| +#ifdef ICU
|
| +/* File into which we will write supplemental ICU data. */
|
| +static FILE * icuFile;
|
| +
|
| +static void
|
| +emit_icu_zone(FILE* f, const char* zoneName, int zoneOffset,
|
| + const struct rule* rule,
|
| + int ruleIndex, int startYear) {
|
| + /* machine-readable section */
|
| + fprintf(f, "zone %s %d %d %s", zoneName, zoneOffset, startYear, rule->r_name);
|
| +
|
| + /* human-readable section */
|
| + fprintf(f, " # zone %s, offset %d, year >= %d, rule %s (%d)\n",
|
| + zoneName, zoneOffset, startYear,
|
| + rule->r_name, ruleIndex);
|
| +}
|
| +
|
| +static void
|
| +emit_icu_link(FILE* f, const char* from, const char* to) {
|
| + /* machine-readable section */
|
| + fprintf(f, "link %s %s\n", from, to);
|
| +}
|
| +
|
| +static const char* DYCODE[] = {"DOM", "DOWGEQ", "DOWLEQ"};
|
| +
|
| +static void
|
| +emit_icu_rule(FILE* f, const struct rule* r, int ruleIndex) {
|
| + if (r->r_yrtype != NULL) {
|
| + warning("year types not supported by ICU");
|
| + fprintf(stderr, "rule %s, file %s, line %d\n",
|
| + r->r_name, r->r_filename, r->r_linenum);
|
| + }
|
| +
|
| + /* machine-readable section */
|
| + fprintf(f, "rule %s %s %d %d %d %ld %d %d %ld",
|
| + r->r_name, DYCODE[r->r_dycode],
|
| + r->r_month, r->r_dayofmonth,
|
| + (r->r_dycode == DC_DOM ? -1 : r->r_wday),
|
| + r->r_tod, r->r_todisstd, r->r_todisgmt, r->r_stdoff
|
| + );
|
| +
|
| + /* human-readable section */
|
| + fprintf(f, " # %d: %s, file %s, line %d",
|
| + ruleIndex, r->r_name, r->r_filename, r->r_linenum);
|
| + fprintf(f, ", mode %s", DYCODE[r->r_dycode]);
|
| + fprintf(f, ", %s, dom %d", mon_names[r->r_month].l_word, r->r_dayofmonth);
|
| + if (r->r_dycode != DC_DOM) {
|
| + fprintf(f, ", %s", wday_names[r->r_wday].l_word);
|
| + }
|
| + fprintf(f, ", time %ld", r->r_tod);
|
| + fprintf(f, ", isstd %d", r->r_todisstd);
|
| + fprintf(f, ", isgmt %d", r->r_todisgmt);
|
| + fprintf(f, ", offset %ld", r->r_stdoff);
|
| + fprintf(f, "\n");
|
| +}
|
| +
|
| +static int
|
| +add_icu_final_rules(const struct rule* r1, const struct rule* r2) {
|
| + int i;
|
| +
|
| + for (i=0; i<finalRulesCount; ++i) { /* i+=2 should work too */
|
| + if (r1==finalRules[i]) return i; /* [sic] pointer comparison */
|
| + }
|
| +
|
| + finalRules = (const struct rule**) (void*) erealloc((char *) finalRules,
|
| + (finalRulesCount + 2) * sizeof(*finalRules));
|
| + finalRules[finalRulesCount++] = r1;
|
| + finalRules[finalRulesCount++] = r2;
|
| + return finalRulesCount - 2;
|
| +}
|
| +#endif
|
| +
|
| +static const char * psxrules;
|
| +static const char * lcltime;
|
| +static const char * directory;
|
| +static const char * leapsec;
|
| +static const char * yitcommand;
|
| +
|
| +int
|
| +main(argc, argv)
|
| +int argc;
|
| +char * argv[];
|
| +{
|
| + register int i;
|
| + register int j;
|
| + register int c;
|
| +
|
| +#ifdef unix
|
| + (void) umask(umask(S_IWGRP | S_IWOTH) | (S_IWGRP | S_IWOTH));
|
| +#endif /* defined unix */
|
| +#if HAVE_GETTEXT
|
| + (void) setlocale(LC_ALL, "");
|
| +#ifdef TZ_DOMAINDIR
|
| + (void) bindtextdomain(TZ_DOMAIN, TZ_DOMAINDIR);
|
| +#endif /* defined TEXTDOMAINDIR */
|
| + (void) textdomain(TZ_DOMAIN);
|
| +#endif /* HAVE_GETTEXT */
|
| + 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);
|
| + } 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(stderr, EXIT_FAILURE);
|
| + case 'd':
|
| + if (directory == NULL)
|
| + directory = optarg;
|
| + else {
|
| + (void) fprintf(stderr,
|
| +_("%s: More than one -d option specified\n"),
|
| + progname);
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + break;
|
| + case 'l':
|
| + if (lcltime == NULL)
|
| + lcltime = optarg;
|
| + else {
|
| + (void) fprintf(stderr,
|
| +_("%s: More than one -l option specified\n"),
|
| + progname);
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + break;
|
| + case 'p':
|
| + if (psxrules == NULL)
|
| + psxrules = optarg;
|
| + else {
|
| + (void) fprintf(stderr,
|
| +_("%s: More than one -p option specified\n"),
|
| + progname);
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + break;
|
| + case 'y':
|
| + if (yitcommand == NULL)
|
| + yitcommand = optarg;
|
| + else {
|
| + (void) fprintf(stderr,
|
| +_("%s: More than one -y option specified\n"),
|
| + progname);
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + break;
|
| + case 'L':
|
| + if (leapsec == NULL)
|
| + leapsec = optarg;
|
| + else {
|
| + (void) fprintf(stderr,
|
| +_("%s: More than one -L option specified\n"),
|
| + progname);
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + break;
|
| + case 'v':
|
| + noise = TRUE;
|
| + break;
|
| + case 's':
|
| + (void) printf("%s: -s ignored\n", progname);
|
| + break;
|
| + }
|
| + if (optind == argc - 1 && strcmp(argv[optind], "=") == 0)
|
| + usage(stderr, EXIT_FAILURE); /* usage message by request */
|
| + if (directory == NULL)
|
| + directory = TZDIR;
|
| + if (yitcommand == NULL)
|
| + yitcommand = "yearistype";
|
| +
|
| + setboundaries();
|
| +
|
| + if (optind < argc && leapsec != NULL) {
|
| + infile(leapsec);
|
| + adjleap();
|
| + }
|
| +
|
| +#ifdef ICU
|
| + if ((icuFile = fopen(ICU_ZONE_FILE, "w")) == NULL) {
|
| + const char *e = strerror(errno);
|
| + (void) fprintf(stderr, _("%s: Can't open %s: %s\n"),
|
| + progname, ICU_ZONE_FILE, e);
|
| + (void) exit(EXIT_FAILURE);
|
| + }
|
| +#endif
|
| + for (i = optind; i < argc; ++i)
|
| + infile(argv[i]);
|
| + if (errors)
|
| + exit(EXIT_FAILURE);
|
| + associate();
|
| + for (i = 0; i < nzones; i = j) {
|
| + /*
|
| + ** Find the next non-continuation zone entry.
|
| + */
|
| + for (j = i + 1; j < nzones && zones[j].z_name == NULL; ++j)
|
| + continue;
|
| + outzone(&zones[i], j - i);
|
| + }
|
| + /*
|
| + ** Make links.
|
| + */
|
| + for (i = 0; i < nlinks; ++i) {
|
| + eat(links[i].l_filename, links[i].l_linenum);
|
| + dolink(links[i].l_from, links[i].l_to);
|
| +#ifdef ICU
|
| + emit_icu_link(icuFile, links[i].l_from, links[i].l_to);
|
| +#endif
|
| + 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);
|
| + dolink(lcltime, TZDEFAULT);
|
| + }
|
| + if (psxrules != NULL) {
|
| + eat("command line", 1);
|
| + dolink(psxrules, TZDEFRULES);
|
| + }
|
| +#ifdef ICU
|
| + for (i=0; i<finalRulesCount; ++i) {
|
| + emit_icu_rule(icuFile, finalRules[i], i);
|
| + }
|
| +#endif /*ICU*/
|
| + return (errors == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
|
| +}
|
| +
|
| +static void
|
| +dolink(fromfield, tofield)
|
| +const char * const fromfield;
|
| +const char * const tofield;
|
| +{
|
| + register char * fromname;
|
| + register char * toname;
|
| +
|
| + if (fromfield[0] == '/')
|
| + fromname = ecpyalloc(fromfield);
|
| + else {
|
| + fromname = ecpyalloc(directory);
|
| + fromname = ecatalloc(fromname, "/");
|
| + fromname = ecatalloc(fromname, fromfield);
|
| + }
|
| + if (tofield[0] == '/')
|
| + toname = ecpyalloc(tofield);
|
| + else {
|
| + toname = ecpyalloc(directory);
|
| + toname = ecatalloc(toname, "/");
|
| + toname = ecatalloc(toname, tofield);
|
| + }
|
| + /*
|
| + ** We get to be careful here since
|
| + ** there's a fair chance of root running us.
|
| + */
|
| + if (!itsdir(toname))
|
| + (void) remove(toname);
|
| + if (link(fromname, toname) != 0) {
|
| + int result;
|
| +
|
| + if (mkdirs(toname) != 0)
|
| + exit(EXIT_FAILURE);
|
| +
|
| + result = link(fromname, toname);
|
| +#if HAVE_SYMLINK
|
| + if (result != 0 &&
|
| + access(fromname, F_OK) == 0 &&
|
| + !itsdir(fromname)) {
|
| + const char *s = tofield;
|
| + register char * symlinkcontents = NULL;
|
| +
|
| + while ((s = strchr(s+1, '/')) != NULL)
|
| + symlinkcontents =
|
| + ecatalloc(symlinkcontents,
|
| + "../");
|
| + symlinkcontents =
|
| + ecatalloc(symlinkcontents,
|
| + fromname);
|
| + result = symlink(symlinkcontents,
|
| + toname);
|
| + if (result == 0)
|
| +warning(_("hard link failed, symbolic link used"));
|
| + ifree(symlinkcontents);
|
| + }
|
| +#endif /* HAVE_SYMLINK */
|
| + 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);
|
| +#ifndef ICU_LINKS
|
| + exit(EXIT_FAILURE);
|
| +#endif
|
| + }
|
| + }
|
| + ifree(fromname);
|
| + ifree(toname);
|
| +}
|
| +
|
| +#define TIME_T_BITS_IN_FILE 64
|
| +
|
| +static void
|
| +setboundaries(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);
|
| +}
|
| +
|
| +static int
|
| +itsdir(name)
|
| +const char * const name;
|
| +{
|
| + register char * myname;
|
| + register int accres;
|
| +
|
| + myname = ecpyalloc(name);
|
| + myname = ecatalloc(myname, "/.");
|
| + accres = access(myname, F_OK);
|
| + ifree(myname);
|
| + return accres == 0;
|
| +}
|
| +
|
| +/*
|
| +** Associate sets of rules with zones.
|
| +*/
|
| +
|
| +/*
|
| +** Sort by rule name.
|
| +*/
|
| +
|
| +static int
|
| +rcomp(cp1, cp2)
|
| +const void * cp1;
|
| +const void * cp2;
|
| +{
|
| + return strcmp(((const struct rule *) cp1)->r_name,
|
| + ((const struct rule *) cp2)->r_name);
|
| +}
|
| +
|
| +static void
|
| +associate(void)
|
| +{
|
| + register struct zone * zp;
|
| + register struct rule * rp;
|
| + register int base, out;
|
| + register int i, j;
|
| +
|
| + if (nrules != 0) {
|
| + (void) qsort((void *) rules, (size_t) nrules,
|
| + (size_t) sizeof *rules, rcomp);
|
| + for (i = 0; i < nrules - 1; ++i) {
|
| + if (strcmp(rules[i].r_name,
|
| + rules[i + 1].r_name) != 0)
|
| + continue;
|
| + if (strcmp(rules[i].r_filename,
|
| + rules[i + 1].r_filename) == 0)
|
| + continue;
|
| + eat(rules[i].r_filename, rules[i].r_linenum);
|
| + warning(_("same rule name in multiple files"));
|
| + eat(rules[i + 1].r_filename, rules[i + 1].r_linenum);
|
| + warning(_("same rule name in multiple files"));
|
| + for (j = i + 2; j < nrules; ++j) {
|
| + if (strcmp(rules[i].r_name,
|
| + rules[j].r_name) != 0)
|
| + break;
|
| + if (strcmp(rules[i].r_filename,
|
| + rules[j].r_filename) == 0)
|
| + continue;
|
| + if (strcmp(rules[i + 1].r_filename,
|
| + rules[j].r_filename) == 0)
|
| + continue;
|
| + break;
|
| + }
|
| + i = j - 1;
|
| + }
|
| + }
|
| + for (i = 0; i < nzones; ++i) {
|
| + zp = &zones[i];
|
| + zp->z_rules = NULL;
|
| + zp->z_nrules = 0;
|
| + }
|
| + for (base = 0; base < nrules; base = out) {
|
| + rp = &rules[base];
|
| + for (out = base + 1; out < nrules; ++out)
|
| + if (strcmp(rp->r_name, rules[out].r_name) != 0)
|
| + break;
|
| + for (i = 0; i < nzones; ++i) {
|
| + zp = &zones[i];
|
| + if (strcmp(zp->z_rule, rp->r_name) != 0)
|
| + continue;
|
| + zp->z_rules = rp;
|
| + zp->z_nrules = out - base;
|
| + }
|
| + }
|
| + for (i = 0; i < nzones; ++i) {
|
| + zp = &zones[i];
|
| + if (zp->z_nrules == 0) {
|
| + /*
|
| + ** Maybe we have a local standard time offset.
|
| + */
|
| + eat(zp->z_filename, zp->z_linenum);
|
| + zp->z_stdoff = gethms(zp->z_rule, _("unruly zone"),
|
| + TRUE);
|
| + /*
|
| + ** Note, though, that if there's no rule,
|
| + ** a '%s' in the format is a bad thing.
|
| + */
|
| + if (strchr(zp->z_format, '%') != 0)
|
| + error(_("%s in ruleless zone"));
|
| + }
|
| + }
|
| + if (errors)
|
| + exit(EXIT_FAILURE);
|
| +}
|
| +
|
| +static void
|
| +infile(name)
|
| +const char * name;
|
| +{
|
| + register FILE * fp;
|
| + register char ** fields;
|
| + register char * cp;
|
| + register const struct lookup * lp;
|
| + register int nfields;
|
| + register int wantcont;
|
| + register int num;
|
| + char buf[BUFSIZ];
|
| +
|
| + if (strcmp(name, "-") == 0) {
|
| + name = _("standard input");
|
| + fp = stdin;
|
| + } else if ((fp = fopen(name, "r")) == NULL) {
|
| + const char *e = strerror(errno);
|
| +
|
| + (void) fprintf(stderr, _("%s: Can't open %s: %s\n"),
|
| + progname, name, e);
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + wantcont = FALSE;
|
| + for (num = 1; ; ++num) {
|
| + eat(name, num);
|
| + if (fgets(buf, (int) sizeof buf, fp) != buf)
|
| + break;
|
| + cp = strchr(buf, '\n');
|
| + if (cp == NULL) {
|
| + error(_("line too long"));
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + *cp = '\0';
|
| + fields = getfields(buf);
|
| + nfields = 0;
|
| + while (fields[nfields] != NULL) {
|
| + static char nada;
|
| +
|
| + if (strcmp(fields[nfields], "-") == 0)
|
| + fields[nfields] = &nada;
|
| + ++nfields;
|
| + }
|
| + if (nfields == 0) {
|
| + /* nothing to do */
|
| + } else if (wantcont) {
|
| + wantcont = inzcont(fields, nfields);
|
| + } else {
|
| + lp = byword(fields[0], line_codes);
|
| + if (lp == NULL)
|
| + error(_("input line of unknown type"));
|
| + else switch ((int) (lp->l_value)) {
|
| + case LC_RULE:
|
| + inrule(fields, nfields);
|
| + wantcont = FALSE;
|
| + break;
|
| + case LC_ZONE:
|
| + wantcont = inzone(fields, nfields);
|
| + break;
|
| + case LC_LINK:
|
| + inlink(fields, nfields);
|
| + wantcont = FALSE;
|
| + break;
|
| + case LC_LEAP:
|
| + if (name != leapsec)
|
| + (void) fprintf(stderr,
|
| +_("%s: Leap line in non leap seconds file %s\n"),
|
| + progname, name);
|
| + else inleap(fields, nfields);
|
| + wantcont = FALSE;
|
| + break;
|
| + default: /* "cannot happen" */
|
| + (void) fprintf(stderr,
|
| +_("%s: panic: Invalid l_value %d\n"),
|
| + progname, lp->l_value);
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + }
|
| + ifree((char *) fields);
|
| + }
|
| + if (ferror(fp)) {
|
| + (void) fprintf(stderr, _("%s: Error reading %s\n"),
|
| + progname, filename);
|
| + 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);
|
| + }
|
| + if (wantcont)
|
| + error(_("expected continuation line not found"));
|
| +}
|
| +
|
| +/*
|
| +** Convert a string of one of the forms
|
| +** h -h hh:mm -hh:mm hh:mm:ss -hh:mm:ss
|
| +** into a number of seconds.
|
| +** A null string maps to zero.
|
| +** Call error with errstring and return zero on errors.
|
| +*/
|
| +
|
| +static long
|
| +gethms(string, errstring, signable)
|
| +const char * string;
|
| +const char * const errstring;
|
| +const int signable;
|
| +{
|
| + long hh;
|
| + int mm, ss, sign;
|
| +
|
| + if (string == NULL || *string == '\0')
|
| + return 0;
|
| + if (!signable)
|
| + sign = 1;
|
| + else if (*string == '-') {
|
| + sign = -1;
|
| + ++string;
|
| + } else sign = 1;
|
| + if (sscanf(string, scheck(string, "%ld"), &hh) == 1)
|
| + mm = ss = 0;
|
| + else if (sscanf(string, scheck(string, "%ld:%d"), &hh, &mm) == 2)
|
| + ss = 0;
|
| + else if (sscanf(string, scheck(string, "%ld:%d:%d"),
|
| + &hh, &mm, &ss) != 3) {
|
| + error(errstring);
|
| + return 0;
|
| + }
|
| + if (hh < 0 ||
|
| + mm < 0 || mm >= MINSPERHOUR ||
|
| + ss < 0 || ss > SECSPERMIN) {
|
| + error(errstring);
|
| + return 0;
|
| + }
|
| + if (LONG_MAX / SECSPERHOUR < hh) {
|
| + error(_("time overflow"));
|
| + return 0;
|
| + }
|
| + if (noise && hh == HOURSPERDAY && mm == 0 && ss == 0)
|
| + warning(_("24:00 not handled by pre-1998 versions of zic"));
|
| + if (noise && (hh > HOURSPERDAY ||
|
| + (hh == HOURSPERDAY && (mm != 0 || ss != 0))))
|
| +warning(_("values over 24 hours not handled by pre-2007 versions of zic"));
|
| + return oadd(eitol(sign) * hh * eitol(SECSPERHOUR),
|
| + eitol(sign) * (eitol(mm) * eitol(SECSPERMIN) + eitol(ss)));
|
| +}
|
| +
|
| +static void
|
| +inrule(fields, nfields)
|
| +register char ** const fields;
|
| +const int nfields;
|
| +{
|
| + static struct rule r;
|
| +
|
| + if (nfields != RULE_FIELDS) {
|
| + error(_("wrong number of fields on Rule line"));
|
| + return;
|
| + }
|
| + if (*fields[RF_NAME] == '\0') {
|
| + error(_("nameless rule"));
|
| + return;
|
| + }
|
| + r.r_filename = filename;
|
| + r.r_linenum = linenum;
|
| + r.r_stdoff = gethms(fields[RF_STDOFF], _("invalid saved time"), TRUE);
|
| + rulesub(&r, fields[RF_LOYEAR], fields[RF_HIYEAR], fields[RF_COMMAND],
|
| + 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;
|
| +}
|
| +
|
| +static int
|
| +inzone(fields, nfields)
|
| +register char ** const fields;
|
| +const int nfields;
|
| +{
|
| + register int i;
|
| + static char * buf;
|
| +
|
| + if (nfields < ZONE_MINFIELDS || nfields > ZONE_MAXFIELDS) {
|
| + error(_("wrong number of fields on Zone line"));
|
| + return FALSE;
|
| + }
|
| + if (strcmp(fields[ZF_NAME], TZDEFAULT) == 0 && lcltime != NULL) {
|
| + buf = erealloc(buf, (int) (132 + strlen(TZDEFAULT)));
|
| + (void) sprintf(buf,
|
| +_("\"Zone %s\" line and -l option are mutually exclusive"),
|
| + TZDEFAULT);
|
| + error(buf);
|
| + return FALSE;
|
| + }
|
| + if (strcmp(fields[ZF_NAME], TZDEFRULES) == 0 && psxrules != NULL) {
|
| + buf = erealloc(buf, (int) (132 + strlen(TZDEFRULES)));
|
| + (void) sprintf(buf,
|
| +_("\"Zone %s\" line and -p option are mutually exclusive"),
|
| + TZDEFRULES);
|
| + error(buf);
|
| + return FALSE;
|
| + }
|
| + for (i = 0; i < nzones; ++i)
|
| + if (zones[i].z_name != NULL &&
|
| + strcmp(zones[i].z_name, fields[ZF_NAME]) == 0) {
|
| + buf = erealloc(buf, (int) (132 +
|
| + strlen(fields[ZF_NAME]) +
|
| + strlen(zones[i].z_filename)));
|
| + (void) sprintf(buf,
|
| +_("duplicate zone name %s (file \"%s\", line %d)"),
|
| + fields[ZF_NAME],
|
| + zones[i].z_filename,
|
| + zones[i].z_linenum);
|
| + error(buf);
|
| + return FALSE;
|
| + }
|
| + return inzsub(fields, nfields, FALSE);
|
| +}
|
| +
|
| +static int
|
| +inzcont(fields, nfields)
|
| +register char ** const fields;
|
| +const int nfields;
|
| +{
|
| + if (nfields < ZONEC_MINFIELDS || nfields > ZONEC_MAXFIELDS) {
|
| + error(_("wrong number of fields on Zone continuation line"));
|
| + return FALSE;
|
| + }
|
| + return inzsub(fields, nfields, TRUE);
|
| +}
|
| +
|
| +static int
|
| +inzsub(fields, nfields, iscont)
|
| +register char ** const fields;
|
| +const int nfields;
|
| +const int iscont;
|
| +{
|
| + register char * cp;
|
| + static struct zone z;
|
| + register int i_gmtoff, i_rule, i_format;
|
| + register int i_untilyear, i_untilmonth;
|
| + register int i_untilday, i_untiltime;
|
| + register int hasuntil;
|
| +
|
| + if (iscont) {
|
| + i_gmtoff = ZFC_GMTOFF;
|
| + i_rule = ZFC_RULE;
|
| + i_format = ZFC_FORMAT;
|
| + i_untilyear = ZFC_TILYEAR;
|
| + i_untilmonth = ZFC_TILMONTH;
|
| + i_untilday = ZFC_TILDAY;
|
| + i_untiltime = ZFC_TILTIME;
|
| + z.z_name = NULL;
|
| + } else {
|
| + i_gmtoff = ZF_GMTOFF;
|
| + i_rule = ZF_RULE;
|
| + i_format = ZF_FORMAT;
|
| + i_untilyear = ZF_TILYEAR;
|
| + i_untilmonth = ZF_TILMONTH;
|
| + i_untilday = ZF_TILDAY;
|
| + i_untiltime = ZF_TILTIME;
|
| + z.z_name = ecpyalloc(fields[ZF_NAME]);
|
| + }
|
| + z.z_filename = filename;
|
| + z.z_linenum = linenum;
|
| + z.z_gmtoff = gethms(fields[i_gmtoff], _("invalid UTC offset"), TRUE);
|
| + if ((cp = strchr(fields[i_format], '%')) != 0) {
|
| + if (*++cp != 's' || strchr(cp, '%') != 0) {
|
| + error(_("invalid abbreviation format"));
|
| + return FALSE;
|
| + }
|
| + }
|
| + 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;
|
| + z.z_untilrule.r_linenum = linenum;
|
| + rulesub(&z.z_untilrule,
|
| + fields[i_untilyear],
|
| + "only",
|
| + "",
|
| + (nfields > i_untilmonth) ?
|
| + fields[i_untilmonth] : "Jan",
|
| + (nfields > i_untilday) ? fields[i_untilday] : "1",
|
| + (nfields > i_untiltime) ? fields[i_untiltime] : "0");
|
| + z.z_untiltime = rpytime(&z.z_untilrule,
|
| + z.z_untilrule.r_loyear);
|
| + if (iscont && nzones > 0 &&
|
| + z.z_untiltime > min_time &&
|
| + z.z_untiltime < max_time &&
|
| + 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"
|
| + ));
|
| + return FALSE;
|
| + }
|
| + }
|
| + zones = (struct zone *) (void *) erealloc((char *) zones,
|
| + (int) ((nzones + 1) * sizeof *zones));
|
| + zones[nzones++] = z;
|
| + /*
|
| + ** If there was an UNTIL field on this line,
|
| + ** there's more information about the zone on the next line.
|
| + */
|
| + return hasuntil;
|
| +}
|
| +
|
| +static void
|
| +inleap(fields, nfields)
|
| +register char ** const fields;
|
| +const int nfields;
|
| +{
|
| + register const char * cp;
|
| + register const struct lookup * lp;
|
| + register int i, j;
|
| + int year, month, day;
|
| + long dayoff, tod;
|
| + zic_t t;
|
| +
|
| + if (nfields != LEAP_FIELDS) {
|
| + error(_("wrong number of fields on Leap line"));
|
| + return;
|
| + }
|
| + dayoff = 0;
|
| + cp = fields[LP_YEAR];
|
| + if (sscanf(cp, scheck(cp, "%d"), &year) != 1) {
|
| + /*
|
| + ** 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) {
|
| + i = len_years[isleap(j)];
|
| + ++j;
|
| + } else {
|
| + --j;
|
| + i = -len_years[isleap(j)];
|
| + }
|
| + dayoff = oadd(dayoff, eitol(i));
|
| + }
|
| + if ((lp = byword(fields[LP_MONTH], mon_names)) == NULL) {
|
| + error(_("invalid month name"));
|
| + return;
|
| + }
|
| + month = lp->l_value;
|
| + j = TM_JANUARY;
|
| + while (j != month) {
|
| + i = len_months[isleap(year)][j];
|
| + dayoff = oadd(dayoff, eitol(i));
|
| + ++j;
|
| + }
|
| + cp = fields[LP_DAY];
|
| + if (sscanf(cp, scheck(cp, "%d"), &day) != 1 ||
|
| + day <= 0 || day > len_months[isleap(year)][month]) {
|
| + error(_("invalid day of month"));
|
| + return;
|
| + }
|
| + dayoff = oadd(dayoff, eitol(day - 1));
|
| + if (dayoff < 0 && !TYPE_SIGNED(zic_t)) {
|
| + error(_("time before zero"));
|
| + return;
|
| + }
|
| + if (dayoff < min_time / SECSPERDAY) {
|
| + error(_("time too small"));
|
| + return;
|
| + }
|
| + if (dayoff > max_time / SECSPERDAY) {
|
| + error(_("time too large"));
|
| + return;
|
| + }
|
| + t = (zic_t) dayoff * SECSPERDAY;
|
| + tod = gethms(fields[LP_TIME], _("invalid time of day"), FALSE);
|
| + cp = fields[LP_CORR];
|
| + {
|
| + register int positive;
|
| + int count;
|
| +
|
| + if (strcmp(cp, "") == 0) { /* infile() turns "-" into "" */
|
| + positive = FALSE;
|
| + count = 1;
|
| + } else if (strcmp(cp, "--") == 0) {
|
| + positive = FALSE;
|
| + count = 2;
|
| + } else if (strcmp(cp, "+") == 0) {
|
| + positive = TRUE;
|
| + count = 1;
|
| + } else if (strcmp(cp, "++") == 0) {
|
| + positive = TRUE;
|
| + count = 2;
|
| + } else {
|
| + error(_("illegal CORRECTION field on Leap line"));
|
| + return;
|
| + }
|
| + if ((lp = byword(fields[LP_ROLL], leap_types)) == NULL) {
|
| + error(_(
|
| + "illegal Rolling/Stationary field on Leap line"
|
| + ));
|
| + return;
|
| + }
|
| + leapadd(tadd(t, tod), positive, lp->l_value, count);
|
| + }
|
| +}
|
| +
|
| +static void
|
| +inlink(fields, nfields)
|
| +register char ** const fields;
|
| +const int nfields;
|
| +{
|
| + struct link l;
|
| +
|
| + if (nfields != LINK_FIELDS) {
|
| + error(_("wrong number of fields on Link line"));
|
| + return;
|
| + }
|
| + if (*fields[LF_FROM] == '\0') {
|
| + error(_("blank FROM field on Link line"));
|
| + return;
|
| + }
|
| + if (*fields[LF_TO] == '\0') {
|
| + error(_("blank TO field on Link line"));
|
| + return;
|
| + }
|
| + l.l_filename = filename;
|
| + l.l_linenum = linenum;
|
| + l.l_from = ecpyalloc(fields[LF_FROM]);
|
| + l.l_to = ecpyalloc(fields[LF_TO]);
|
| + links = (struct link *) (void *) erealloc((char *) links,
|
| + (int) ((nlinks + 1) * sizeof *links));
|
| + links[nlinks++] = l;
|
| +}
|
| +
|
| +static void
|
| +rulesub(rp, loyearp, hiyearp, typep, monthp, dayp, timep)
|
| +register struct rule * const rp;
|
| +const char * const loyearp;
|
| +const char * const hiyearp;
|
| +const char * const typep;
|
| +const char * const monthp;
|
| +const char * const dayp;
|
| +const char * const timep;
|
| +{
|
| + register const struct lookup * lp;
|
| + register const char * cp;
|
| + register char * dp;
|
| + register char * ep;
|
| +
|
| + if ((lp = byword(monthp, mon_names)) == NULL) {
|
| + error(_("invalid month name"));
|
| + return;
|
| + }
|
| + rp->r_month = lp->l_value;
|
| + rp->r_todisstd = FALSE;
|
| + rp->r_todisgmt = FALSE;
|
| + dp = ecpyalloc(timep);
|
| + if (*dp != '\0') {
|
| + ep = dp + strlen(dp) - 1;
|
| + switch (lowerit(*ep)) {
|
| + case 's': /* Standard */
|
| + rp->r_todisstd = TRUE;
|
| + rp->r_todisgmt = FALSE;
|
| + *ep = '\0';
|
| + break;
|
| + case 'w': /* Wall */
|
| + rp->r_todisstd = FALSE;
|
| + rp->r_todisgmt = FALSE;
|
| + *ep = '\0';
|
| + break;
|
| + case 'g': /* Greenwich */
|
| + case 'u': /* Universal */
|
| + case 'z': /* Zulu */
|
| + rp->r_todisstd = TRUE;
|
| + rp->r_todisgmt = TRUE;
|
| + *ep = '\0';
|
| + break;
|
| + }
|
| + }
|
| + rp->r_tod = gethms(dp, _("invalid time of day"), FALSE);
|
| + ifree(dp);
|
| + /*
|
| + ** Year work.
|
| + */
|
| + cp = loyearp;
|
| + lp = byword(cp, begin_years);
|
| + rp->r_lowasnum = lp == NULL;
|
| + if (!rp->r_lowasnum) switch ((int) lp->l_value) {
|
| + case YR_MINIMUM:
|
| + rp->r_loyear = INT_MIN;
|
| + break;
|
| + case YR_MAXIMUM:
|
| + rp->r_loyear = INT_MAX;
|
| + break;
|
| + default: /* "cannot happen" */
|
| + (void) fprintf(stderr,
|
| + _("%s: panic: Invalid l_value %d\n"),
|
| + progname, lp->l_value);
|
| + exit(EXIT_FAILURE);
|
| + } else if (sscanf(cp, scheck(cp, "%d"), &rp->r_loyear) != 1) {
|
| + error(_("invalid starting year"));
|
| + return;
|
| + }
|
| + cp = hiyearp;
|
| + lp = byword(cp, end_years);
|
| + rp->r_hiwasnum = lp == NULL;
|
| + if (!rp->r_hiwasnum) switch ((int) lp->l_value) {
|
| + case YR_MINIMUM:
|
| + rp->r_hiyear = INT_MIN;
|
| + break;
|
| + case YR_MAXIMUM:
|
| + rp->r_hiyear = INT_MAX;
|
| + break;
|
| + case YR_ONLY:
|
| + rp->r_hiyear = rp->r_loyear;
|
| + break;
|
| + default: /* "cannot happen" */
|
| + (void) fprintf(stderr,
|
| + _("%s: panic: Invalid l_value %d\n"),
|
| + progname, lp->l_value);
|
| + exit(EXIT_FAILURE);
|
| + } else if (sscanf(cp, scheck(cp, "%d"), &rp->r_hiyear) != 1) {
|
| + error(_("invalid ending year"));
|
| + return;
|
| + }
|
| + if (rp->r_loyear > rp->r_hiyear) {
|
| + error(_("starting year greater than ending year"));
|
| + return;
|
| + }
|
| + if (*typep == '\0')
|
| + rp->r_yrtype = NULL;
|
| + else {
|
| + if (rp->r_loyear == rp->r_hiyear) {
|
| + error(_("typed single year"));
|
| + return;
|
| + }
|
| + rp->r_yrtype = ecpyalloc(typep);
|
| + }
|
| + /*
|
| + ** Day work.
|
| + ** Accept things such as:
|
| + ** 1
|
| + ** last-Sunday
|
| + ** Sun<=20
|
| + ** Sun>=7
|
| + */
|
| + dp = ecpyalloc(dayp);
|
| + if ((lp = byword(dp, lasts)) != NULL) {
|
| + rp->r_dycode = DC_DOWLEQ;
|
| + rp->r_wday = lp->l_value;
|
| + rp->r_dayofmonth = len_months[1][rp->r_month];
|
| + } else {
|
| + if ((ep = strchr(dp, '<')) != 0)
|
| + rp->r_dycode = DC_DOWLEQ;
|
| + else if ((ep = strchr(dp, '>')) != 0)
|
| + rp->r_dycode = DC_DOWGEQ;
|
| + else {
|
| + ep = dp;
|
| + rp->r_dycode = DC_DOM;
|
| + }
|
| + if (rp->r_dycode != DC_DOM) {
|
| + *ep++ = 0;
|
| + if (*ep++ != '=') {
|
| + error(_("invalid day of month"));
|
| + ifree(dp);
|
| + return;
|
| + }
|
| + if ((lp = byword(dp, wday_names)) == NULL) {
|
| + error(_("invalid weekday name"));
|
| + ifree(dp);
|
| + return;
|
| + }
|
| + rp->r_wday = lp->l_value;
|
| + }
|
| + if (sscanf(ep, scheck(ep, "%d"), &rp->r_dayofmonth) != 1 ||
|
| + rp->r_dayofmonth <= 0 ||
|
| + (rp->r_dayofmonth > len_months[1][rp->r_month])) {
|
| + error(_("invalid day of month"));
|
| + ifree(dp);
|
| + return;
|
| + }
|
| + }
|
| + ifree(dp);
|
| +}
|
| +
|
| +static void
|
| +convert(val, buf)
|
| +const long val;
|
| +char * const buf;
|
| +{
|
| + register int i;
|
| + register int 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;
|
| +{
|
| + char buf[4];
|
| +
|
| + convert(val, buf);
|
| + (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;
|
| +{
|
| + 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;
|
| +}
|
| +
|
| +static void
|
| +writezone(name, string)
|
| +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];
|
| +
|
| + /*
|
| + ** Sort.
|
| + */
|
| + if (timecnt > 1)
|
| + (void) qsort((void *) attypes, (size_t) timecnt,
|
| + (size_t) sizeof *attypes, atcomp);
|
| + /*
|
| + ** Optimize.
|
| + */
|
| + {
|
| + int fromi;
|
| + int toi;
|
| +
|
| + toi = 0;
|
| + fromi = 0;
|
| + while (fromi < timecnt && attypes[fromi].at < min_time)
|
| + ++fromi;
|
| + if (isdsts[0] == 0)
|
| + 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[toi - 1].type != attypes[fromi].type)
|
| + attypes[toi++] = attypes[fromi];
|
| + }
|
| + timecnt = toi;
|
| + }
|
| + /*
|
| + ** Transfer.
|
| + */
|
| + for (i = 0; i < timecnt; ++i) {
|
| + 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);
|
| + /*
|
| + ** Remove old file, if any, to snap links.
|
| + */
|
| + if (!itsdir(fullname) && remove(fullname) != 0 && errno != ENOENT) {
|
| + const char *e = strerror(errno);
|
| +
|
| + (void) fprintf(stderr, _("%s: Can't remove %s: %s\n"),
|
| + progname, fullname, e);
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + if ((fp = fopen(fullname, "wb")) == NULL) {
|
| + if (mkdirs(fullname) != 0)
|
| + 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);
|
| + }
|
| + }
|
| + 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;
|
| +#ifdef ICU
|
| + * (ICUZoneinfoVersion*) &tzh.tzh_reserved = TZ_ICU_VERSION;
|
| + (void) strncpy(tzh.tzh_magic, TZ_ICU_MAGIC, sizeof tzh.tzh_magic);
|
| +#else
|
| + (void) strncpy(tzh.tzh_magic, TZ_MAGIC, sizeof tzh.tzh_magic);
|
| +#endif
|
| + 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);
|
| +#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]) {
|
| +#ifdef ICU
|
| + puttzcode((long) rawoffs[i], fp);
|
| + puttzcode((long) dstoffs[i], fp);
|
| +#else
|
| + puttzcode(gmtoffs[i], fp);
|
| +#endif
|
| + (void) putc(isdsts[i], fp);
|
| + (void) putc((unsigned char) indmap[abbrinds[i]], fp);
|
| + }
|
| + 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);
|
| + if (ferror(fp) || fclose(fp)) {
|
| + (void) fprintf(stderr, _("%s: Error writing %s\n"),
|
| + progname, fullname);
|
| + exit(EXIT_FAILURE);
|
| + }
|
| +}
|
| +
|
| +static void
|
| +doabbr(abbr, format, letters, isdst, doquotes)
|
| +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 (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;
|
| + }
|
| +}
|
| +
|
| +static void
|
| +outzone(zpfirst, zonecount)
|
| +const struct zone * const zpfirst;
|
| +const int zonecount;
|
| +{
|
| + register const struct zone * zp;
|
| + register struct rule * rp;
|
| + register int i, j;
|
| + register int usestart, useuntil;
|
| + register zic_t starttime, untiltime;
|
| + register long gmtoff;
|
| + register long stdoff;
|
| + register int year;
|
| + register long startoff;
|
| + 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;
|
| +#ifdef ICU
|
| + int finalRuleYear, finalRuleIndex;
|
| + const struct rule* finalRule1;
|
| + const struct rule* finalRule2;
|
| +#endif
|
| +
|
| + 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);
|
| + INITIALIZE(untiltime);
|
| + INITIALIZE(starttime);
|
| + /*
|
| + ** Now. . .finally. . .generate some useful data!
|
| + */
|
| + timecnt = 0;
|
| + typecnt = 0;
|
| + charcnt = 0;
|
| + /*
|
| + ** Thanks to Earl Chew
|
| + ** 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];
|
| + if (i < zonecount - 1)
|
| + 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 from 1900 through 2037.
|
| + */
|
| + if (min_year > 1900)
|
| + min_year = 1900;
|
| + if (max_year < 2037)
|
| + max_year = 2037;
|
| + for (i = 0; i < zonecount; ++i) {
|
| + /*
|
| + ** A guess that may well be corrected later.
|
| + */
|
| + stdoff = 0;
|
| + zp = &zpfirst[i];
|
| + usestart = i > 0 && (zp - 1)->z_untiltime > min_time;
|
| + useuntil = i < (zonecount - 1);
|
| + if (useuntil && zp->z_untiltime <= min_time)
|
| + continue;
|
| + gmtoff = zp->z_gmtoff;
|
| + eat(zp->z_filename, zp->z_linenum);
|
| + *startbuf = '\0';
|
| + startoff = zp->z_gmtoff;
|
| +#ifdef ICU
|
| + finalRuleYear = finalRuleIndex = -1;
|
| + finalRule1 = finalRule2 = NULL;
|
| + if (i == (zonecount - 1)) { /* !useuntil */
|
| + /* Look for exactly 2 rules that end at 'max' and
|
| + * note them. Determine max(r_loyear) for the 2 of
|
| + * them. */
|
| + for (j=0; j<zp->z_nrules; ++j) {
|
| + rp = &zp->z_rules[j];
|
| + if (rp->r_hiyear == INT_MAX) {
|
| + if (finalRule1 == NULL) {
|
| + finalRule1 = rp;
|
| + finalRuleYear = rp->r_loyear;
|
| + } else if (finalRule2 == NULL) {
|
| + finalRule2 = rp;
|
| + if (rp->r_loyear > finalRuleYear) {
|
| + finalRuleYear = rp->r_loyear;
|
| + }
|
| + } else {
|
| + error("more than two max rules found (ICU)");
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + }
|
| + }
|
| + if (finalRule1 != NULL && finalRule2 == NULL) {
|
| + error("only one max rule found (ICU)");
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + if (finalRule1 != NULL) {
|
| + if (finalRule1->r_stdoff == finalRule2->r_stdoff) {
|
| + /* America/Resolute in 2009a uses a pair of rules
|
| + * which does not change the offset. ICU ignores
|
| + * such rules without actual time transitions. */
|
| + finalRuleYear = finalRuleIndex = -1;
|
| + finalRule1 = finalRule2 = NULL;
|
| + } else {
|
| + /* Swap if necessary so finalRule1 occurs before
|
| + * finalRule2 */
|
| + if (finalRule1->r_month > finalRule2->r_month) {
|
| + const struct rule* t = finalRule1;
|
| + finalRule1 = finalRule2;
|
| + finalRule2 = t;
|
| + }
|
| + /* Add final rule to our list */
|
| + finalRuleIndex = add_icu_final_rules(finalRule1, finalRule2);
|
| + }
|
| + }
|
| + }
|
| +#endif
|
| +
|
| + if (zp->z_nrules == 0) {
|
| + stdoff = zp->z_stdoff;
|
| + doabbr(startbuf, zp->z_format,
|
| + (char *) NULL, stdoff != 0, FALSE);
|
| + type = addtype(oadd(zp->z_gmtoff, stdoff),
|
| +#ifdef ICU
|
| + zp->z_gmtoff, stdoff,
|
| +#endif
|
| + startbuf, stdoff != 0, startttisstd,
|
| + startttisgmt);
|
| + if (usestart) {
|
| + addtt(starttime, type);
|
| + usestart = FALSE;
|
| + } else if (stdoff != 0)
|
| + addtt(min_time, type);
|
| + } else for (year = min_year; year <= max_year; ++year) {
|
| + if (useuntil && year > zp->z_untilrule.r_hiyear)
|
| + break;
|
| + /*
|
| + ** Mark which rules to do in the current year.
|
| + ** For those to do, calculate rpytime(rp, year);
|
| + */
|
| + for (j = 0; j < zp->z_nrules; ++j) {
|
| + rp = &zp->z_rules[j];
|
| + eats(zp->z_filename, zp->z_linenum,
|
| + rp->r_filename, rp->r_linenum);
|
| + rp->r_todo = year >= rp->r_loyear &&
|
| + year <= rp->r_hiyear &&
|
| + yearistype(year, rp->r_yrtype);
|
| + if (rp->r_todo)
|
| + rp->r_temp = rpytime(rp, year);
|
| + }
|
| + for ( ; ; ) {
|
| + register int k;
|
| + register zic_t jtime, ktime;
|
| + register long offset;
|
| +
|
| + INITIALIZE(ktime);
|
| + if (useuntil) {
|
| + /*
|
| + ** Turn untiltime into UTC
|
| + ** assuming the current gmtoff and
|
| + ** stdoff values.
|
| + */
|
| + untiltime = zp->z_untiltime;
|
| + if (!zp->z_untilrule.r_todisgmt)
|
| + untiltime = tadd(untiltime,
|
| + -gmtoff);
|
| + if (!zp->z_untilrule.r_todisstd)
|
| + untiltime = tadd(untiltime,
|
| + -stdoff);
|
| + }
|
| + /*
|
| + ** Find the rule (of those to do, if any)
|
| + ** that takes effect earliest in the year.
|
| + */
|
| + k = -1;
|
| + for (j = 0; j < zp->z_nrules; ++j) {
|
| + rp = &zp->z_rules[j];
|
| + if (!rp->r_todo)
|
| + continue;
|
| + eats(zp->z_filename, zp->z_linenum,
|
| + rp->r_filename, rp->r_linenum);
|
| + offset = rp->r_todisgmt ? 0 : gmtoff;
|
| + if (!rp->r_todisstd)
|
| + offset = oadd(offset, stdoff);
|
| + jtime = rp->r_temp;
|
| + if (jtime == min_time ||
|
| + jtime == max_time)
|
| + continue;
|
| + jtime = tadd(jtime, -offset);
|
| + if (k < 0 || jtime < ktime) {
|
| + k = j;
|
| + ktime = jtime;
|
| + }
|
| + }
|
| + if (k < 0)
|
| + break; /* go on to next year */
|
| + rp = &zp->z_rules[k];
|
| + rp->r_todo = FALSE;
|
| + if (useuntil && ktime >= untiltime)
|
| + break;
|
| + stdoff = rp->r_stdoff;
|
| + if (usestart && ktime == starttime)
|
| + usestart = FALSE;
|
| + if (usestart) {
|
| + if (ktime < starttime) {
|
| + startoff = oadd(zp->z_gmtoff,
|
| + stdoff);
|
| + doabbr(startbuf, zp->z_format,
|
| + rp->r_abbrvar,
|
| + rp->r_stdoff != 0,
|
| + FALSE);
|
| + continue;
|
| + }
|
| + if (*startbuf == '\0' &&
|
| + startoff == oadd(zp->z_gmtoff,
|
| + stdoff)) {
|
| + doabbr(startbuf,
|
| + zp->z_format,
|
| + rp->r_abbrvar,
|
| + rp->r_stdoff !=
|
| + 0,
|
| + FALSE);
|
| + }
|
| + }
|
| +#ifdef ICU
|
| + if (year >= finalRuleYear && rp == finalRule1) {
|
| + /* We want to shift final year 1 year after
|
| + * the actual final rule takes effect (year + 1),
|
| + * because the previous type is valid until the first
|
| + * transition defined by the final rule. Otherwise
|
| + * we may see unexpected offset shift at the
|
| + * begining of the year when the final rule takes
|
| + * effect. */
|
| +
|
| + /* ICU currently can support signed int32 transition
|
| + * times. Thus, the transitions in year 2038 may be
|
| + * truncated. At this moment (tzdata2008g), only
|
| + * Rule Brazil is impacted by this limitation, because
|
| + * the final set of rules are starting in 2038. Although
|
| + * this code put the first couple of transitions populated
|
| + * by the final rules, they might be dropped off when
|
| + * collecting transition times by tz2icu. */
|
| + emit_icu_zone(icuFile,
|
| + zpfirst->z_name, zp->z_gmtoff,
|
| + rp, finalRuleIndex, year + 1);
|
| + /* only emit this for the first year */
|
| + finalRule1 = NULL;
|
| + }
|
| +#endif
|
| + 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);
|
| + offset = oadd(zp->z_gmtoff, rp->r_stdoff);
|
| +#ifdef ICU
|
| + type = addtype(offset, zp->z_gmtoff, rp->r_stdoff,
|
| + ab, rp->r_stdoff != 0,
|
| + rp->r_todisstd, rp->r_todisgmt);
|
| +#else
|
| + type = addtype(offset, ab, rp->r_stdoff != 0,
|
| + rp->r_todisstd, rp->r_todisgmt);
|
| +#endif
|
| + addtt(ktime, type);
|
| + }
|
| + }
|
| + if (usestart) {
|
| + if (*startbuf == '\0' &&
|
| + zp->z_format != NULL &&
|
| + strchr(zp->z_format, '%') == NULL &&
|
| + strchr(zp->z_format, '/') == NULL)
|
| + (void) strcpy(startbuf, zp->z_format);
|
| + eat(zp->z_filename, zp->z_linenum);
|
| + if (*startbuf == '\0')
|
| +error(_("can't determine time zone abbreviation to use just after until time"));
|
| + else addtt(starttime,
|
| +#ifdef ICU
|
| + addtype(startoff,
|
| + zp->z_gmtoff, startoff - zp->z_gmtoff,
|
| + startbuf,
|
| + startoff != zp->z_gmtoff,
|
| + startttisstd,
|
| + startttisgmt));
|
| +#else
|
| + addtype(startoff, startbuf,
|
| + startoff != zp->z_gmtoff,
|
| + startttisstd,
|
| + startttisgmt));
|
| +#endif
|
| + }
|
| + /*
|
| + ** Now we may get to set starttime for the next zone line.
|
| + */
|
| + if (useuntil) {
|
| + startttisstd = zp->z_untilrule.r_todisstd;
|
| + startttisgmt = zp->z_untilrule.r_todisgmt;
|
| + starttime = zp->z_untiltime;
|
| + if (!startttisstd)
|
| + starttime = tadd(starttime, -stdoff);
|
| + if (!startttisgmt)
|
| + starttime = tadd(starttime, -gmtoff);
|
| + }
|
| + }
|
| + writezone(zpfirst->z_name, envvar);
|
| + ifree(startbuf);
|
| + ifree(ab);
|
| + ifree(envvar);
|
| +}
|
| +
|
| +static void
|
| +addtt(starttime, type)
|
| +const zic_t starttime;
|
| +int type;
|
| +{
|
| + if (starttime <= min_time ||
|
| + (timecnt == 1 && attypes[0].at < min_time)) {
|
| + gmtoffs[0] = gmtoffs[type];
|
| +#ifdef ICU
|
| + rawoffs[0] = rawoffs[type];
|
| + dstoffs[0] = dstoffs[type];
|
| +#endif
|
| + isdsts[0] = isdsts[type];
|
| + ttisstds[0] = ttisstds[type];
|
| + ttisgmts[0] = ttisgmts[type];
|
| + if (abbrinds[type] != 0)
|
| + (void) strcpy(chars, &chars[abbrinds[type]]);
|
| + abbrinds[0] = 0;
|
| + charcnt = strlen(chars) + 1;
|
| + typecnt = 1;
|
| + timecnt = 0;
|
| + type = 0;
|
| + }
|
| + if (timecnt >= TZ_MAX_TIMES) {
|
| + error(_("too many transitions?!"));
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + attypes[timecnt].at = starttime;
|
| + attypes[timecnt].type = type;
|
| + ++timecnt;
|
| +}
|
| +
|
| +static int
|
| +#ifdef ICU
|
| +addtype(gmtoff, rawoff, dstoff, abbr, isdst, ttisstd, ttisgmt)
|
| +const long gmtoff;
|
| +const long rawoff;
|
| +const long dstoff;
|
| +#else
|
| +addtype(gmtoff, abbr, isdst, ttisstd, ttisgmt)
|
| +const long gmtoff;
|
| +#endif
|
| +const char * const abbr;
|
| +const int isdst;
|
| +const int ttisstd;
|
| +const int ttisgmt;
|
| +{
|
| + register int i, j;
|
| +
|
| + if (isdst != TRUE && isdst != FALSE) {
|
| + error(_("internal error - addtype called with bad isdst"));
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + if (ttisstd != TRUE && ttisstd != FALSE) {
|
| + error(_("internal error - addtype called with bad ttisstd"));
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + if (ttisgmt != TRUE && ttisgmt != FALSE) {
|
| + error(_("internal error - addtype called with bad ttisgmt"));
|
| + exit(EXIT_FAILURE);
|
| + }
|
| +#ifdef ICU
|
| + if (isdst != (dstoff != 0)) {
|
| + error(_("internal error - addtype called with bad isdst/dstoff"));
|
| + (void) exit(EXIT_FAILURE);
|
| + }
|
| + if (gmtoff != (rawoff + dstoff)) {
|
| + error(_("internal error - addtype called with bad gmt/raw/dstoff"));
|
| + (void) exit(EXIT_FAILURE);
|
| + }
|
| +#endif
|
| + /*
|
| + ** See if there's already an entry for this zone type.
|
| + ** If so, just return its index.
|
| + */
|
| + for (i = 0; i < typecnt; ++i) {
|
| + if (gmtoff == gmtoffs[i] && isdst == isdsts[i] &&
|
| +#ifdef ICU
|
| + rawoff == rawoffs[i] && dstoff == dstoffs[i] &&
|
| +#endif
|
| + strcmp(abbr, &chars[abbrinds[i]]) == 0 &&
|
| + ttisstd == ttisstds[i] &&
|
| + ttisgmt == ttisgmts[i])
|
| + return i;
|
| + }
|
| + /*
|
| + ** There isn't one; add a new one, unless there are already too
|
| + ** many.
|
| + */
|
| + if (typecnt >= TZ_MAX_TYPES) {
|
| + error(_("too many local time types"));
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + if (! (-1L - 2147483647L <= gmtoff && gmtoff <= 2147483647L)) {
|
| + error(_("UTC offset out of range"));
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + gmtoffs[i] = gmtoff;
|
| +#ifdef ICU
|
| + rawoffs[i] = rawoff;
|
| + dstoffs[i] = dstoff;
|
| +#endif
|
| + isdsts[i] = isdst;
|
| + ttisstds[i] = ttisstd;
|
| + ttisgmts[i] = ttisgmt;
|
| +
|
| + for (j = 0; j < charcnt; ++j)
|
| + if (strcmp(&chars[j], abbr) == 0)
|
| + break;
|
| + if (j == charcnt)
|
| + newabbr(abbr);
|
| + abbrinds[i] = j;
|
| + ++typecnt;
|
| + return i;
|
| +}
|
| +
|
| +static void
|
| +leapadd(t, positive, rolling, count)
|
| +const zic_t t;
|
| +const int positive;
|
| +const int rolling;
|
| +int count;
|
| +{
|
| + register int i, j;
|
| +
|
| + if (leapcnt + (positive ? count : 1) > TZ_MAX_LEAPS) {
|
| + error(_("too many leap seconds"));
|
| + 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);
|
| + }
|
| + break;
|
| + }
|
| + do {
|
| + for (j = leapcnt; j > i; --j) {
|
| + trans[j] = trans[j - 1];
|
| + corr[j] = corr[j - 1];
|
| + roll[j] = roll[j - 1];
|
| + }
|
| + trans[i] = t;
|
| + corr[i] = positive ? 1L : eitol(-count);
|
| + roll[i] = rolling;
|
| + ++leapcnt;
|
| + } while (positive && --count != 0);
|
| +}
|
| +
|
| +static void
|
| +adjleap(void)
|
| +{
|
| + register int i;
|
| + register long last = 0;
|
| +
|
| + /*
|
| + ** propagate leap seconds forward
|
| + */
|
| + for (i = 0; i < leapcnt; ++i) {
|
| + trans[i] = tadd(trans[i], last);
|
| + last = corr[i] += last;
|
| + }
|
| +}
|
| +
|
| +static int
|
| +yearistype(year, type)
|
| +const int year;
|
| +const char * const type;
|
| +{
|
| + static char * buf;
|
| + int result;
|
| +
|
| + if (type == NULL || *type == '\0')
|
| + return TRUE;
|
| + buf = erealloc(buf, (int) (132 + strlen(yitcommand) + strlen(type)));
|
| + (void) sprintf(buf, "%s %d %s", yitcommand, year, type);
|
| + result = system(buf);
|
| + if (WIFEXITED(result)) switch (WEXITSTATUS(result)) {
|
| + case 0:
|
| + return TRUE;
|
| + case 1:
|
| + return FALSE;
|
| + }
|
| + error(_("Wild result from command execution"));
|
| + (void) fprintf(stderr, _("%s: command was '%s', result was %d\n"),
|
| + progname, buf, result);
|
| + for ( ; ; )
|
| + exit(EXIT_FAILURE);
|
| +}
|
| +
|
| +static int
|
| +lowerit(a)
|
| +int a;
|
| +{
|
| + a = (unsigned char) a;
|
| + return (isascii(a) && isupper(a)) ? tolower(a) : a;
|
| +}
|
| +
|
| +static int
|
| +ciequal(ap, bp) /* case-insensitive equality */
|
| +register const char * ap;
|
| +register const char * bp;
|
| +{
|
| + while (lowerit(*ap) == lowerit(*bp++))
|
| + if (*ap++ == '\0')
|
| + return TRUE;
|
| + return FALSE;
|
| +}
|
| +
|
| +static int
|
| +itsabbr(abbr, word)
|
| +register const char * abbr;
|
| +register const char * word;
|
| +{
|
| + if (lowerit(*abbr) != lowerit(*word))
|
| + return FALSE;
|
| + ++word;
|
| + while (*++abbr != '\0')
|
| + do {
|
| + if (*word == '\0')
|
| + return FALSE;
|
| + } while (lowerit(*word++) != lowerit(*abbr));
|
| + return TRUE;
|
| +}
|
| +
|
| +static const struct lookup *
|
| +byword(word, table)
|
| +register const char * const word;
|
| +register const struct lookup * const table;
|
| +{
|
| + register const struct lookup * foundlp;
|
| + register const struct lookup * lp;
|
| +
|
| + if (word == NULL || table == NULL)
|
| + return NULL;
|
| + /*
|
| + ** Look for exact match.
|
| + */
|
| + for (lp = table; lp->l_word != NULL; ++lp)
|
| + if (ciequal(word, lp->l_word))
|
| + return lp;
|
| + /*
|
| + ** Look for inexact match.
|
| + */
|
| + foundlp = NULL;
|
| + for (lp = table; lp->l_word != NULL; ++lp)
|
| + if (itsabbr(word, lp->l_word)) {
|
| + if (foundlp == NULL)
|
| + foundlp = lp;
|
| + else return NULL; /* multiple inexact matches */
|
| + }
|
| + return foundlp;
|
| +}
|
| +
|
| +static char **
|
| +getfields(cp)
|
| +register char * cp;
|
| +{
|
| + register char * dp;
|
| + register char ** array;
|
| + register int nsubs;
|
| +
|
| + if (cp == NULL)
|
| + return NULL;
|
| + array = (char **) (void *)
|
| + emalloc((int) ((strlen(cp) + 1) * sizeof *array));
|
| + nsubs = 0;
|
| + for ( ; ; ) {
|
| + while (isascii((unsigned char) *cp) &&
|
| + isspace((unsigned char) *cp))
|
| + ++cp;
|
| + if (*cp == '\0' || *cp == '#')
|
| + break;
|
| + array[nsubs++] = dp = cp;
|
| + do {
|
| + if ((*dp = *cp++) != '"')
|
| + ++dp;
|
| + else while ((*dp = *cp++) != '"')
|
| + if (*dp != '\0')
|
| + ++dp;
|
| + else {
|
| + error(_(
|
| + "Odd number of quotation marks"
|
| + ));
|
| + exit(1);
|
| + }
|
| + } while (*cp != '\0' && *cp != '#' &&
|
| + (!isascii(*cp) || !isspace((unsigned char) *cp)));
|
| + if (isascii(*cp) && isspace((unsigned char) *cp))
|
| + ++cp;
|
| + *dp = '\0';
|
| + }
|
| + array[nsubs] = NULL;
|
| + return array;
|
| +}
|
| +
|
| +static long
|
| +oadd(t1, t2)
|
| +const long t1;
|
| +const long t2;
|
| +{
|
| + register long t;
|
| +
|
| + t = t1 + t2;
|
| + if ((t2 > 0 && t <= t1) || (t2 < 0 && t >= t1)) {
|
| + error(_("time overflow"));
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + return t;
|
| +}
|
| +
|
| +static zic_t
|
| +tadd(t1, t2)
|
| +const zic_t t1;
|
| +const long t2;
|
| +{
|
| + register zic_t t;
|
| +
|
| + if (t1 == max_time && t2 > 0)
|
| + return max_time;
|
| + if (t1 == min_time && t2 < 0)
|
| + return min_time;
|
| + t = t1 + t2;
|
| + if ((t2 > 0 && t <= t1) || (t2 < 0 && t >= t1)) {
|
| + error(_("time overflow"));
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + return t;
|
| +}
|
| +
|
| +/*
|
| +** Given a rule, and a year, compute the date - in seconds since January 1,
|
| +** 1970, 00:00 LOCAL time - in that year that the rule refers to.
|
| +*/
|
| +
|
| +static zic_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;
|
| +
|
| + if (wantedy == INT_MIN)
|
| + return min_time;
|
| + if (wantedy == INT_MAX)
|
| + return max_time;
|
| + dayoff = 0;
|
| + m = TM_JANUARY;
|
| + y = EPOCH_YEAR;
|
| + while (wantedy != y) {
|
| + if (wantedy > y) {
|
| + i = len_years[isleap(y)];
|
| + ++y;
|
| + } else {
|
| + --y;
|
| + i = -len_years[isleap(y)];
|
| + }
|
| + dayoff = oadd(dayoff, eitol(i));
|
| + }
|
| + while (m != rp->r_month) {
|
| + i = len_months[isleap(y)][m];
|
| + dayoff = oadd(dayoff, eitol(i));
|
| + ++m;
|
| + }
|
| + i = rp->r_dayofmonth;
|
| + if (m == TM_FEBRUARY && i == 29 && !isleap(y)) {
|
| + if (rp->r_dycode == DC_DOWLEQ)
|
| + --i;
|
| + else {
|
| + error(_("use of 2/29 in non leap-year"));
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + }
|
| + --i;
|
| + dayoff = oadd(dayoff, eitol(i));
|
| + if (rp->r_dycode == DC_DOWGEQ || rp->r_dycode == DC_DOWLEQ) {
|
| + register long wday;
|
| +
|
| +#define LDAYSPERWEEK ((long) DAYSPERWEEK)
|
| + wday = eitol(EPOCH_WDAY);
|
| + /*
|
| + ** Don't trust mod of negative numbers.
|
| + */
|
| + if (dayoff >= 0)
|
| + wday = (wday + dayoff) % LDAYSPERWEEK;
|
| + else {
|
| + wday -= ((-dayoff) % LDAYSPERWEEK);
|
| + if (wday < 0)
|
| + wday += LDAYSPERWEEK;
|
| + }
|
| + while (wday != eitol(rp->r_wday))
|
| + if (rp->r_dycode == DC_DOWGEQ) {
|
| + dayoff = oadd(dayoff, (long) 1);
|
| + if (++wday >= LDAYSPERWEEK)
|
| + wday = 0;
|
| + ++i;
|
| + } else {
|
| + dayoff = oadd(dayoff, (long) -1);
|
| + if (--wday < 0)
|
| + wday = LDAYSPERWEEK - 1;
|
| + --i;
|
| + }
|
| + 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"));
|
| + }
|
| + }
|
| + if (dayoff < min_time / SECSPERDAY)
|
| + return min_time;
|
| + if (dayoff > max_time / SECSPERDAY)
|
| + return max_time;
|
| + t = (zic_t) dayoff * SECSPERDAY;
|
| + return tadd(t, rp->r_tod);
|
| +}
|
| +
|
| +static void
|
| +newabbr(string)
|
| +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) strcpy(&chars[charcnt], string);
|
| + charcnt += eitol(i);
|
| +}
|
| +
|
| +static int
|
| +mkdirs(argname)
|
| +char * argname;
|
| +{
|
| + register char * name;
|
| + register char * cp;
|
| +
|
| + if (argname == NULL || *argname == '\0')
|
| + return 0;
|
| + cp = name = ecpyalloc(argname);
|
| + while ((cp = strchr(cp + 1, '/')) != 0) {
|
| + *cp = '\0';
|
| +#ifndef unix
|
| + /*
|
| + ** DOS drive specifier?
|
| + */
|
| + if (isalpha((unsigned char) name[0]) &&
|
| + name[1] == ':' && name[2] == '\0') {
|
| + *cp = '/';
|
| + continue;
|
| + }
|
| +#endif /* !defined unix */
|
| + if (!itsdir(name)) {
|
| + /*
|
| + ** It doesn't seem to exist, so we try to create it.
|
| + ** Creation may fail because of the directory being
|
| + ** created by some other multiprocessor, so we get
|
| + ** to do extra checking.
|
| + */
|
| + if (mkdir(name, MKDIR_UMASK) != 0) {
|
| + const char *e = strerror(errno);
|
| +
|
| + if (errno != EEXIST || !itsdir(name)) {
|
| + (void) fprintf(stderr,
|
| +_("%s: Can't create directory %s: %s\n"),
|
| + progname, name, e);
|
| + ifree(name);
|
| + return -1;
|
| + }
|
| + }
|
| + }
|
| + *cp = '/';
|
| + }
|
| + ifree(name);
|
| + return 0;
|
| +}
|
| +
|
| +static long
|
| +eitol(i)
|
| +const int i;
|
| +{
|
| + long l;
|
| +
|
| + l = i;
|
| + if ((i < 0 && l >= 0) || (i == 0 && l != 0) || (i > 0 && l <= 0)) {
|
| + (void) fprintf(stderr,
|
| + _("%s: %d did not sign extend correctly\n"),
|
| + progname, i);
|
| + exit(EXIT_FAILURE);
|
| + }
|
| + return l;
|
| +}
|
| +
|
| +/*
|
| +** UNIX was a registered trademark of The Open Group in 2003.
|
| +*/
|
|
|
| Property changes on: icu46/source/tools/tzcode/zic.c
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|
Chromium Code Reviews
Issue 5516007:
Check in the pristine copy of ICU 4.6... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/