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sprintf.c: check_next_arg

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* sprintf.c (check_next_arg): utility function for GETNEXTARG().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46657 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-07-02 08:03:51 +00:00
parent 3659c10b9d
commit 420523389e
1 changed files with 12 additions and 4 deletions
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16
sprintf.c
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@ -82,10 +82,7 @@ sign_bits(int base, const char *p)
GETNEXTARG())
#define GETNEXTARG() ( \
posarg == -1 ? \
(rb_raise(rb_eArgError, "unnumbered(%d) mixed with numbered", nextarg), 0) : \
posarg == -2 ? \
(rb_raise(rb_eArgError, "unnumbered(%d) mixed with named", nextarg), 0) : \
check_next_arg(posarg, nextarg), \
(posarg = nextarg++, GETNTHARG(posarg)))
#define GETPOSARG(n) (posarg > 0 ? \
@ -142,6 +139,17 @@ get_num(const char *p, const char *end, rb_encoding *enc, int *valp)
return p;
}
static void
check_next_arg(int posarg, int nextarg)
{
switch (posarg) {
case -1:
rb_raise(rb_eArgError, "unnumbered(%d) mixed with numbered", nextarg);
case -2:
rb_raise(rb_eArgError, "unnumbered(%d) mixed with named", nextarg);
}
}
static VALUE
get_hash(volatile VALUE *hash, int argc, const VALUE *argv)
{