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Merge pull request #337 from masamitsu-murase/fix_str_replace

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Fix str_replace in string.c
This commit is contained in:
Yukihiro "Matz" Matsumoto
2012-06-30 13:50:54 -07:00
parent cb791565c3 866f797125
commit 660f64b1d0
1 changed files with 9 additions and 1 deletions
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src/string.c
+9 -1
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@@ -1549,10 +1549,17 @@ str_replace(mrb_state *mrb, struct RString *s1, struct RString *s2)
{
if (s2->flags & MRB_STR_SHARED) {
L_SHARE:
if (s1->flags & MRB_STR_SHARED){
mrb_str_decref(mrb, s1->aux.shared);
}
else {
mrb_free(mrb, s1->ptr);
}
s1->ptr = s2->ptr;
s1->len = s2->len;
s1->aux.shared = s2->aux.shared;
s1->flags |= MRB_STR_SHARED;
s1->aux.shared->refcnt++;
}
else if (s2->len > STR_REPLACE_SHARED_MIN) {
str_make_shared(mrb, s2);
@@ -1561,6 +1568,7 @@ str_replace(mrb_state *mrb, struct RString *s1, struct RString *s2)
else {
if (s1->flags & MRB_STR_SHARED) {
mrb_str_decref(mrb, s1->aux.shared);
s1->flags &= ~MRB_STR_SHARED;
s1->ptr = mrb_malloc(mrb, s2->len+1);
}
else {
@@ -1569,7 +1577,7 @@ str_replace(mrb_state *mrb, struct RString *s1, struct RString *s2)
memcpy(s1->ptr, s2->ptr, s2->len);
s1->ptr[s2->len] = 0;
s1->len = s2->len;
s2->aux.capa = s2->len;
s1->aux.capa = s2->len;
}
return mrb_obj_value(s1);
}