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[ruby/stringio] Extract readonly_string_p

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https://github.com/ruby/stringio/commit/0da5b725c8
This commit is contained in:
Nobuyoshi Nakada 2024-03-28 02:30:46 +09:00 committed by git
parent 06563d78a1
commit 51e6becd39
1 changed files with 8 additions and 2 deletions
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10
ext/stringio/stringio.c
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@ -59,6 +59,12 @@ rb_str_chilled_p(VALUE str)
} }
#endif #endif
static bool
readonly_string_p(VALUE string)
{
return OBJ_FROZEN_RAW(string) && !rb_str_chilled_p(string);
}
static struct StringIO * static struct StringIO *
strio_alloc(void) strio_alloc(void)
{ {
@ -303,7 +309,7 @@ strio_init(int argc, VALUE *argv, struct StringIO *ptr, VALUE self)
string = rb_enc_str_new("", 0, rb_default_external_encoding()); string = rb_enc_str_new("", 0, rb_default_external_encoding());
} }
if (!NIL_P(string) && OBJ_FROZEN_RAW(string) && !rb_str_chilled_p(string)) { if (!NIL_P(string) && readonly_string_p(string)) {
if (ptr->flags & FMODE_WRITABLE) { if (ptr->flags & FMODE_WRITABLE) {
rb_syserr_fail(EACCES, 0); rb_syserr_fail(EACCES, 0);
} }
@ -497,7 +503,7 @@ strio_set_string(VALUE self, VALUE string)
rb_io_taint_check(self); rb_io_taint_check(self);
ptr->flags &= ~FMODE_READWRITE; ptr->flags &= ~FMODE_READWRITE;
StringValue(string); StringValue(string);
ptr->flags = OBJ_FROZEN(string) && !rb_str_chilled_p(string) ? FMODE_READABLE : FMODE_READWRITE; ptr->flags = readonly_string_p(string) ? FMODE_READABLE : FMODE_READWRITE;
ptr->pos = 0; ptr->pos = 0;
ptr->lineno = 0; ptr->lineno = 0;
RB_OBJ_WRITE(self, &ptr->string, string); RB_OBJ_WRITE(self, &ptr->string, string);