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Prefer rb_check_arity when 0 or 1 arguments

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66179 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-12-04 02:24:15 +00:00
parent b0ec083a20
commit 4b85e88174
5 changed files with 9 additions and 22 deletions

17
array.c
View file

@ -2590,13 +2590,7 @@ rb_ary_rotate(VALUE ary, long cnt)
static VALUE
rb_ary_rotate_bang(int argc, VALUE *argv, VALUE ary)
{
long n = 1;
switch (argc) {
case 1: n = NUM2LONG(argv[0]);
case 0: break;
default: rb_scan_args(argc, argv, "01", NULL);
}
long n = (rb_check_arity(argc, 0, 1) ? NUM2LONG(argv[0]) : 1);
rb_ary_rotate(ary, n);
return ary;
}
@ -2623,13 +2617,8 @@ rb_ary_rotate_m(int argc, VALUE *argv, VALUE ary)
{
VALUE rotated;
const VALUE *ptr;
long len, cnt = 1;
switch (argc) {
case 1: cnt = NUM2LONG(argv[0]);
case 0: break;
default: rb_scan_args(argc, argv, "01", NULL);
}
long len;
long cnt = (rb_check_arity(argc, 0, 1) ? NUM2LONG(argv[0]) : 1);
len = RARRAY_LEN(ary);
rotated = rb_ary_new2(len);

View file

@ -1491,7 +1491,7 @@ nucomp_rationalize(int argc, VALUE *argv, VALUE self)
{
get_dat1(self);
rb_scan_args(argc, argv, "01", NULL);
rb_check_arity(argc, 0, 1);
if (!k_exact_zero_p(dat->imag)) {
rb_raise(rb_eRangeError, "can't convert %"PRIsVALUE" into Rational",

View file

@ -2121,7 +2121,7 @@ nilclass_to_r(VALUE self)
static VALUE
nilclass_rationalize(int argc, VALUE *argv, VALUE self)
{
rb_scan_args(argc, argv, "01", NULL);
rb_check_arity(argc, 0, 1);
return nilclass_to_r(self);
}
@ -2150,7 +2150,7 @@ integer_to_r(VALUE self)
static VALUE
integer_rationalize(int argc, VALUE *argv, VALUE self)
{
rb_scan_args(argc, argv, "01", NULL);
rb_check_arity(argc, 0, 1);
return integer_to_r(self);
}

6
re.c
View file

@ -3960,13 +3960,11 @@ match_setter(VALUE val)
static VALUE
rb_reg_s_last_match(int argc, VALUE *argv)
{
VALUE nth;
if (argc > 0 && rb_scan_args(argc, argv, "01", &nth) == 1) {
if (rb_check_arity(argc, 0, 1) == 1) {
VALUE match = rb_backref_get();
int n;
if (NIL_P(match)) return Qnil;
n = match_backref_number(match, nth);
n = match_backref_number(match, argv[0]);
return rb_reg_nth_match(n, match);
}
return match_getter();

2
time.c
View file

@ -4959,7 +4959,7 @@ time_dump(int argc, VALUE *argv, VALUE time)
{
VALUE str;
rb_scan_args(argc, argv, "01", 0);
rb_check_arity(argc, 0, 1);
str = time_mdump(time);
return str;