diff options
Diffstat (limited to 'string.c')
| -rw-r--r-- | string.c | 18 |
1 files changed, 13 insertions, 5 deletions
@@ -962,16 +962,24 @@ rb_str_export_to_enc(VALUE str, rb_encoding *enc) static VALUE str_replace_shared_without_enc(VALUE str2, VALUE str) { - if (RSTRING_LEN(str) <= RSTRING_EMBED_LEN_MAX) { + const int termlen = TERM_LEN(str); + char *ptr; + long len; + + RSTRING_GETMEM(str, ptr, len); + if (len+termlen <= RSTRING_EMBED_LEN_MAX+1) { + char *ptr2 = RSTRING(str2)->as.ary; STR_SET_EMBED(str2); - memcpy(RSTRING_PTR(str2), RSTRING_PTR(str), RSTRING_LEN(str)+1); - STR_SET_EMBED_LEN(str2, RSTRING_LEN(str)); + memcpy(ptr2, RSTRING_PTR(str), len); + STR_SET_EMBED_LEN(str2, len); + TERM_FILL(ptr2+len, termlen); } else { str = rb_str_new_frozen(str); FL_SET(str2, STR_NOEMBED); - RSTRING(str2)->as.heap.len = RSTRING_LEN(str); - RSTRING(str2)->as.heap.ptr = RSTRING_PTR(str); + RSTRING_GETMEM(str, ptr, len); + RSTRING(str2)->as.heap.len = len; + RSTRING(str2)->as.heap.ptr = ptr; STR_SET_SHARED(str2, str); } return str2; |