diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-05-20 10:41:46 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-05-20 10:41:46 +0000 |
commit | e2a43c9e09014903fde535ab01212459ac8ea563 (patch) | |
tree | 0333087a99e879213cabf031240eb01a2433debf /struct.c | |
parent | 53812198daa147f1e77e29b0b417cc0e9736c371 (diff) |
* struct.c (rb_struct_new): get rid of too large alloca.
* struct.c (rb_struct_hash): use long.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23499 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'struct.c')
-rw-r--r-- | struct.c | 14 |
1 files changed, 9 insertions, 5 deletions
@@ -129,7 +129,8 @@ static VALUE rb_struct_ref7(VALUE obj) {return RSTRUCT_PTR(obj)[7];} static VALUE rb_struct_ref8(VALUE obj) {return RSTRUCT_PTR(obj)[8];} static VALUE rb_struct_ref9(VALUE obj) {return RSTRUCT_PTR(obj)[9];} -#define N_REF_FUNC (sizeof(ref_func) / sizeof(ref_func[0])) +#define numberof(array) (int)(sizeof(array) / sizeof((array)[0])) +#define N_REF_FUNC numberof(ref_func) static VALUE (*const ref_func[])(VALUE) = { rb_struct_ref0, @@ -342,7 +343,7 @@ rb_struct_s_def(int argc, VALUE *argv, VALUE klass) return st; } -static size_t +static long num_members(VALUE klass) { VALUE members; @@ -412,12 +413,15 @@ rb_struct_alloc(VALUE klass, VALUE values) VALUE rb_struct_new(VALUE klass, ...) { - VALUE *mem; + VALUE tmpargs[N_REF_FUNC], *mem = tmpargs; long size, i; va_list args; size = num_members(klass); - mem = ALLOCA_N(VALUE, size); + if (size > numberof(tmpargs)) { + tmpargs[0] = rb_ary_tmp_new(size); + mem = RARRAY_PTR(tmpargs[0]); + } va_start(args, klass); for (i=0; i<size; i++) { mem[i] = va_arg(args, VALUE); @@ -809,7 +813,7 @@ static VALUE rb_struct_hash(VALUE s) { long i; - unsigned h; + unsigned long h; VALUE n; h = rb_hash_start(rb_hash(rb_obj_class(s))); |