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author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-04-26 12:52:25 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-04-26 12:52:25 +0000 |
commit | 514715250a2a4d69ea0a4ce3123e2e2f558f3109 (patch) | |
tree | c8b543090edb6016a11fda3b22c55b4eb5b01cea /hash.c | |
parent | 6fb36ebab0644f2b724b144b0a163148c87298aa (diff) | |
download | ruby-514715250a2a4d69ea0a4ce3123e2e2f558f3109.tar.gz |
* include/ruby/intern.h (rb_hash_dup): declared.
* hash.c (rb_hash_dup): new function.
* process.c (rb_spawn_internal): don't modify option hash.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16210 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'hash.c')
-rw-r--r-- | hash.c | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -228,6 +228,19 @@ rb_hash_new(void) return hash_alloc(rb_cHash); } +VALUE +rb_hash_dup(VALUE hash) +{ + VALUE ret = hash_alloc(RBASIC(hash)->klass); + if (!RHASH_EMPTY_P(hash)) + RHASH(ret)->ntbl = st_copy(RHASH(hash)->ntbl); + if (FL_TEST(hash, HASH_PROC_DEFAULT)) { + FL_SET(ret, HASH_PROC_DEFAULT); + } + RHASH(ret)->ifnone = RHASH(hash)->ifnone; + return ret; +} + static void rb_hash_modify_check(VALUE hash) { |