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array.c: refactor mrb_ary_splice.

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Yukihiro "Matz" Matsumoto
2021-09-08 07:33:08 +09:00
parent 1d1a89874f
commit e4a0728b24
1 changed files with 6 additions and 8 deletions
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src/array.c
+6 -8
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@@ -744,9 +744,9 @@ mrb_ary_splice(mrb_state *mrb, mrb_value ary, mrb_int head, mrb_int len, mrb_val
head += alen;
if (head < 0) goto out_of_range;
}
if (head > MRB_INT_MAX - len) {
if (head > ARY_MAX_SIZE - len) {
out_of_range:
mrb_raise(mrb, E_INDEX_ERROR, "index is out of array");
mrb_raisef(mrb, E_INDEX_ERROR, "index %i is out of array", head);
}
tail = head + len;
if (alen < len || alen < tail) {
@@ -776,12 +776,10 @@ mrb_ary_splice(mrb_state *mrb, mrb_value ary, mrb_int head, mrb_int len, mrb_val
argv = &rpl;
}
if (head >= alen) {
if (head > ARY_MAX_SIZE - argc) {
mrb_raisef(mrb, E_INDEX_ERROR, "index %i too big", head);
}
if (head > ARY_MAX_SIZE - argc) goto out_of_range;
len = head + argc;
if (len > ARY_CAPA(a)) {
ary_expand_capa(mrb, a, head + argc);
ary_expand_capa(mrb, a, len);
}
ary_fill_with_nil(ARY_PTR(a) + alen, head - alen);
if (argc > 0) {
@@ -793,7 +791,8 @@ mrb_ary_splice(mrb_state *mrb, mrb_value ary, mrb_int head, mrb_int len, mrb_val
mrb_int newlen;
if (alen - len > ARY_MAX_SIZE - argc) {
mrb_raisef(mrb, E_INDEX_ERROR, "index %i too big", alen + argc - len);
head = alen + argc - len;
goto out_of_range;
}
newlen = alen + argc - len;
if (newlen > ARY_CAPA(a)) {
@@ -802,7 +801,6 @@ mrb_ary_splice(mrb_state *mrb, mrb_value ary, mrb_int head, mrb_int len, mrb_val
if (len != argc) {
mrb_value *ptr = ARY_PTR(a);
tail = head + len;
value_move(ptr + head + argc, ptr + tail, alen - tail);
ARY_SET_LEN(a, newlen);
}