1 fd04aace 2003-11-23 devnull #include <u.h>
2 8ad51794 2004-03-25 devnull #include <stdlib.h> /* setenv etc. */
3 64bcfff3 2003-11-25 devnull #define NOPLAN9DEFINES
4 fd04aace 2003-11-23 devnull #include <libc.h>
5 64bcfff3 2003-11-25 devnull #include <time.h>
7 64bcfff3 2003-11-25 devnull #define _HAVETIMEGM 1
8 64bcfff3 2003-11-25 devnull #define _HAVETMZONE 1
9 64bcfff3 2003-11-25 devnull #define _HAVETMTZOFF 1
11 64bcfff3 2003-11-25 devnull #if defined(__linux__)
12 64bcfff3 2003-11-25 devnull # undef _HAVETMZONE
13 64bcfff3 2003-11-25 devnull # undef _HAVETMTZOFF
15 64bcfff3 2003-11-25 devnull #elif defined(__sun__)
16 64bcfff3 2003-11-25 devnull # undef _HAVETIMEGM
17 64bcfff3 2003-11-25 devnull # undef _HAVETMZONE
18 64bcfff3 2003-11-25 devnull # undef _HAVETMTZOFF
22 fd04aace 2003-11-23 devnull static Tm bigtm;
24 fd04aace 2003-11-23 devnull static void
25 fd04aace 2003-11-23 devnull tm2Tm(struct tm *tm, Tm *bigtm)
29 fd04aace 2003-11-23 devnull memset(bigtm, 0, sizeof *bigtm);
30 fd04aace 2003-11-23 devnull bigtm->sec = tm->tm_sec;
31 fd04aace 2003-11-23 devnull bigtm->min = tm->tm_min;
32 fd04aace 2003-11-23 devnull bigtm->hour = tm->tm_hour;
33 fd04aace 2003-11-23 devnull bigtm->mday = tm->tm_mday;
34 fd04aace 2003-11-23 devnull bigtm->mon = tm->tm_mon;
35 fd04aace 2003-11-23 devnull bigtm->year = tm->tm_year;
36 fd04aace 2003-11-23 devnull bigtm->wday = tm->tm_wday;
37 dddc2ed1 2004-04-20 devnull strftime(bigtm->zone, sizeof bigtm->zone, "%Z", tm);
38 1c253ceb 2003-11-23 devnull #ifdef _HAVETZOFF
39 fd04aace 2003-11-23 devnull bigtm->tzoff = tm->tm_gmtoff;
42 8ad51794 2004-03-25 devnull if(bigtm->zone[0] == 0){
43 8ad51794 2004-03-25 devnull s = getenv("TIMEZONE");
45 be22ae2d 2004-03-26 devnull strecpy(bigtm->zone, bigtm->zone+4, s);
51 fd04aace 2003-11-23 devnull static void
52 fd04aace 2003-11-23 devnull Tm2tm(Tm *bigtm, struct tm *tm)
54 fd04aace 2003-11-23 devnull memset(tm, 0, sizeof *tm);
55 fd04aace 2003-11-23 devnull tm->tm_sec = bigtm->sec;
56 fd04aace 2003-11-23 devnull tm->tm_min = bigtm->min;
57 fd04aace 2003-11-23 devnull tm->tm_hour = bigtm->hour;
58 fd04aace 2003-11-23 devnull tm->tm_mday = bigtm->mday;
59 fd04aace 2003-11-23 devnull tm->tm_mon = bigtm->mon;
60 fd04aace 2003-11-23 devnull tm->tm_year = bigtm->year;
61 fd04aace 2003-11-23 devnull tm->tm_wday = bigtm->wday;
62 1c253ceb 2003-11-23 devnull #ifdef _HAVETMZONE
63 fd04aace 2003-11-23 devnull tm->tm_zone = bigtm->zone;
65 1c253ceb 2003-11-23 devnull #ifdef _HAVETZOFF
66 fd04aace 2003-11-23 devnull tm->tm_gmtoff = bigtm->tzoff;
71 fd04aace 2003-11-23 devnull p9gmtime(long t)
73 fd04aace 2003-11-23 devnull struct tm tm;
75 fd04aace 2003-11-23 devnull tm = *gmtime(&t);
76 fd04aace 2003-11-23 devnull tm2Tm(&tm, &bigtm);
77 fd04aace 2003-11-23 devnull return &bigtm;
81 fd04aace 2003-11-23 devnull p9localtime(long t)
83 fd04aace 2003-11-23 devnull struct tm tm;
85 fd04aace 2003-11-23 devnull tm = *localtime(&t);
86 fd04aace 2003-11-23 devnull tm2Tm(&tm, &bigtm);
87 fd04aace 2003-11-23 devnull return &bigtm;
90 d2c4ee9e 2003-11-24 devnull #if !defined(_HAVETIMEGM)
91 d2c4ee9e 2003-11-24 devnull static time_t
92 1c253ceb 2003-11-23 devnull timegm(struct tm *tm)
94 d2c4ee9e 2003-11-24 devnull time_t ret;
95 d2c4ee9e 2003-11-24 devnull char *tz;
98 d2c4ee9e 2003-11-24 devnull tz = getenv("TZ");
99 64bcfff3 2003-11-25 devnull putenv("TZ=");
100 d2c4ee9e 2003-11-24 devnull tzset();
101 d2c4ee9e 2003-11-24 devnull ret = mktime(tm);
103 64bcfff3 2003-11-25 devnull s = smprint("TZ=%s", tz);
105 64bcfff3 2003-11-25 devnull putenv(s);
107 d2c4ee9e 2003-11-24 devnull return ret;
112 fd04aace 2003-11-23 devnull p9tm2sec(Tm *bigtm)
114 fd04aace 2003-11-23 devnull struct tm tm;
116 fd04aace 2003-11-23 devnull Tm2tm(bigtm, &tm);
117 fd04aace 2003-11-23 devnull if(strcmp(bigtm->zone, "GMT") == 0 || strcmp(bigtm->zone, "UCT") == 0)
118 fd04aace 2003-11-23 devnull return timegm(&tm);
119 fd04aace 2003-11-23 devnull return mktime(&tm); /* local time zone */