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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-07-18 10:30:41 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-07-18 10:30:41 +0000 |
commit | 4bc16691279e98ecdb3e19ff23902be671d46307 (patch) | |
tree | 020365f1dbb98ccbb1dec6ec33f2b36bc26e6d03 | |
parent | a22232cd938a1d3df8f940463fb68700de124a19 (diff) | |
download | ruby-4bc16691279e98ecdb3e19ff23902be671d46307.tar.gz |
reduce tzset
* time.c (rb_localtime_r): call tzset() only after TZ environment
variable is changed.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63994 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | hash.c | 9 | ||||
-rw-r--r-- | time.c | 8 |
2 files changed, 16 insertions, 1 deletions
@@ -3315,6 +3315,9 @@ env_str_new2(const char *ptr) static int env_path_tainted(const char *); +static const char TZ_ENV[] = "TZ"; +extern int ruby_tz_update; + static rb_encoding * env_encoding_for(const char *name, const char *ptr) { @@ -3396,6 +3399,9 @@ env_delete(VALUE obj, VALUE name) RB_GC_GUARD(name); path_tainted = 0; } + else if (ENVMATCH(nam, TZ_ENV)) { + ruby_tz_update = 0; + } return value; } return Qnil; @@ -3755,6 +3761,9 @@ env_aset(VALUE obj, VALUE nm, VALUE val) path_tainted_p(value); } } + else if (ENVMATCH(name, TZ_ENV)) { + ruby_tz_update = 0; + } return val; } @@ -647,12 +647,18 @@ static struct vtm *localtimew(wideval_t timew, struct vtm *result); static int leap_year_p(long y); #define leap_year_v_p(y) leap_year_p(NUM2LONG(modv((y), INT2FIX(400)))) +int ruby_tz_update; + static struct tm * rb_localtime_r(const time_t *t, struct tm *result) { #if defined __APPLE__ && defined __LP64__ if (*t != (time_t)(int)*t) return NULL; #endif + if (!ruby_tz_update) { + ruby_tz_update = 1; + tzset(); + } #ifdef HAVE_GMTIME_R result = localtime_r(t, result); #else @@ -678,7 +684,7 @@ rb_localtime_r(const time_t *t, struct tm *result) #endif return result; } -#define LOCALTIME(tm, result) (tzset(),rb_localtime_r((tm), &(result))) +#define LOCALTIME(tm, result) rb_localtime_r((tm), &(result)) #ifndef HAVE_STRUCT_TM_TM_GMTOFF static struct tm * |