diff options
Diffstat (limited to 'string.c')
-rw-r--r-- | string.c | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -1162,6 +1162,13 @@ str_replace_shared_without_enc(VALUE str2, VALUE str) } else { str = rb_str_new_frozen(str); + if (!STR_EMBED_P(str2) && !FL_TEST_RAW(str2, STR_SHARED|STR_NOFREE)) { + /* TODO: check if str2 is a shared root */ + char *ptr2 = STR_HEAP_PTR(str2); + if (STR_HEAP_PTR(str) != ptr2) { + ruby_sized_xfree(ptr2, STR_HEAP_SIZE(str2)); + } + } FL_SET(str2, STR_NOEMBED); RSTRING_GETMEM(str, ptr, len); RSTRING(str2)->as.heap.len = len; |