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* st.c, include/ruby/st.h (st_memsize): added. This function returns

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the memory usage of st_talbe.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23712 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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ko1 2009-06-16 22:03:12 +00:00
parent dfb0fa0ca6
commit af0429b54e
3 changed files with 17 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Wed Jun 17 06:48:28 2009 Koichi Sasada <ko1@atdot.net>
* st.c, include/ruby/st.h (st_memsize): added. This function returns
the memory usage of st_talbe.
Wed Jun 17 06:19:06 2009 Koichi Sasada <ko1@atdot.net>
* include/ruby/ruby.h: New structure RTypedData, added.

1
include/ruby/st.h
View file

@ -107,6 +107,7 @@ int st_numcmp(st_data_t, st_data_t);
int st_numhash(st_data_t);
int st_strcasecmp(const char *s1, const char *s2);
int st_strncasecmp(const char *s1, const char *s2, size_t n);
size_t st_memsize(st_table *);
#if defined(__cplusplus)
#if 0

11
st.c
View file

@ -256,6 +256,17 @@ st_free_table(st_table *table)
free(table);
}
size_t
st_memsize(st_table *table)
{
if (table->entries_packed) {
return table->num_bins * sizeof (void *) + sizeof(st_table);
}
else {
return table->num_entries * sizeof(struct st_table_entry) + table->num_bins * sizeof (void *) + sizeof(st_table);
}
}
#define PTR_NOT_EQUAL(table, ptr, hash_val, key) \
((ptr) != 0 && (ptr->hash != (hash_val) || !EQUAL((table), (key), (ptr)->key)))