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mruby-time/time.c: properly generate hash from time objects.

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2022-08-05 15:09:32 +09:00
parent 579379c517
commit 5eaef1cf25
1 changed files with 12 additions and 0 deletions
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mrbgems/mruby-time/src/time.c
+12
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@@ -10,6 +10,7 @@
#include <mruby/numeric.h>
#include <mruby/time.h>
#include <mruby/string.h>
#include <mruby/internal.h>
#include <mruby/presym.h>
#ifdef MRB_NO_STDIO
@@ -1004,6 +1005,16 @@ mrb_time_to_s(mrb_state *mrb, mrb_value self)
return str;
}
static mrb_value
mrb_time_hash(mrb_state *mrb, mrb_value self)
{
struct mrb_time *tm = time_get_ptr(mrb, self);
uint32_t hash = mrb_byte_hash((uint8_t*)&tm->sec, sizeof(time_t));
hash = mrb_byte_hash_step((uint8_t*)&tm->usec, sizeof(time_t), hash);
hash = mrb_byte_hash_step((uint8_t*)&tm->timezone, sizeof(tm->timezone), hash);
return mrb_int_value(mrb, hash);
}
void
mrb_mruby_time_gem_init(mrb_state* mrb)
{
@@ -1019,6 +1030,7 @@ mrb_mruby_time_gem_init(mrb_state* mrb)
mrb_define_class_method(mrb, tc, "now", mrb_time_now, MRB_ARGS_NONE()); /* 15.2.19.6.5 */
mrb_define_class_method(mrb, tc, "utc", mrb_time_gm, MRB_ARGS_ARG(1,6)); /* 15.2.19.6.6 */
mrb_define_method(mrb, tc, "hash" , mrb_time_hash , MRB_ARGS_NONE());
mrb_define_method(mrb, tc, "eql?" , mrb_time_eq , MRB_ARGS_REQ(1));
mrb_define_method(mrb, tc, "==" , mrb_time_eq , MRB_ARGS_REQ(1));
mrb_define_method(mrb, tc, "<=>" , mrb_time_cmp , MRB_ARGS_REQ(1)); /* 15.2.19.7.1 */