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Add symname_equal_lit for comparison with a string literal

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Nobuyoshi Nakada 2021-09-23 00:23:37 +09:00
parent 96c8964e0e
commit 8226c33bb5
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1 changed files with 9 additions and 7 deletions
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16
marshal.c
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@ -1437,19 +1437,21 @@ sym2encidx(VALUE sym, VALUE val)
}
static int
ruby2_keywords_flag_check(VALUE sym)
symname_equal(VALUE sym, const char *name, size_t nlen)
{
const char *p;
long l;
if (rb_enc_get_index(sym) != ENCINDEX_US_ASCII) return 0;
RSTRING_GETMEM(sym, p, l);
if (l <= 0) return 0;
if (name_equal(name_s_ruby2_keywords_flag, rb_strlen_lit(name_s_ruby2_keywords_flag), p, l)) {
return 1;
}
return 0;
return name_equal(name, nlen, p, l);
}
#define BUILD_ASSERT_POSITIVE(n) \
/* make 0 negative to workaround the "zero size array" GCC extention, */ \
((sizeof(char [2*(ssize_t)(n)-1])+1)/2) /* assuming no overflow */
#define symname_equal_lit(sym, sym_name) \
symname_equal(sym, sym_name, BUILD_ASSERT_POSITIVE(rb_strlen_lit(sym_name)))
static VALUE
r_symlink(struct load_arg *arg)
{
@ -1608,7 +1610,7 @@ r_ivar(VALUE obj, int *has_encoding, struct load_arg *arg)
}
if (has_encoding) *has_encoding = TRUE;
}
else if (ruby2_keywords_flag_check(sym)) {
else if (symname_equal_lit(sym, name_s_ruby2_keywords_flag)) {
if (RB_TYPE_P(obj, T_HASH)) {
rb_hash_ruby2_keywords(obj);
}