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sprintf.c: check_pos_arg

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* sprintf.c (check_pos_arg): utility function for GETPOSARG().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46658 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-07-02 08:03:53 +00:00
parent 420523389e
commit 3f48c1fdf7
1 changed files with 17 additions and 6 deletions
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23
sprintf.c
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@ -85,12 +85,9 @@ sign_bits(int base, const char *p)
check_next_arg(posarg, nextarg), \
(posarg = nextarg++, GETNTHARG(posarg)))
#define GETPOSARG(n) (posarg > 0 ? \
(rb_raise(rb_eArgError, "numbered(%d) after unnumbered(%d)", (n), posarg), 0) : \
posarg == -2 ? \
(rb_raise(rb_eArgError, "numbered(%d) after named", (n)), 0) : \
(((n) < 1) ? (rb_raise(rb_eArgError, "invalid index - %d$", (n)), 0) : \
(posarg = -1, GETNTHARG(n))))
#define GETPOSARG(n) ( \
check_pos_arg(posarg, (n)), \
(posarg = -1, GETNTHARG(n)))
#define GETNTHARG(nth) \
(((nth) >= argc) ? (rb_raise(rb_eArgError, "too few arguments"), 0) : argv[(nth)])
@ -150,6 +147,20 @@ check_next_arg(int posarg, int nextarg)
}
}
static void
check_pos_arg(int posarg, int n)
{
if (posarg > 0) {
rb_raise(rb_eArgError, "numbered(%d) after unnumbered(%d)", n, posarg);
}
if (posarg == -2) {
rb_raise(rb_eArgError, "numbered(%d) after named", n);
}
if (n < 1) {
rb_raise(rb_eArgError, "invalid index - %d$", n);
}
}
static VALUE
get_hash(volatile VALUE *hash, int argc, const VALUE *argv)
{