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py: Add comments for vstr_init and mp_obj_new_str.

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This commit is contained in:
Damien George
2015-01-21 23:08:36 +00:00
parent 05005f679e
commit 77089bebd4
2 changed files with 9 additions and 0 deletions
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5
py/objstr.c
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@@ -1856,6 +1856,8 @@ const mp_obj_type_t mp_type_bytes = {
// the zero-length bytes
const mp_obj_str_t mp_const_empty_bytes_obj = {{&mp_type_bytes}, 0, 0, NULL};
// Create a str/bytes object using the given data. New memory is allocated and
// the data is copied across.
mp_obj_t mp_obj_new_str_of_type(const mp_obj_type_t *type, const byte* data, mp_uint_t len) {
mp_obj_str_t *o = m_new_obj(mp_obj_str_t);
o->base.type = type;
@@ -1870,6 +1872,9 @@ mp_obj_t mp_obj_new_str_of_type(const mp_obj_type_t *type, const byte* data, mp_
return o;
}
// Create a str/bytes object from the given vstr. The vstr buffer is resized to
// the exact length required and then reused for the str/bytes object. The vstr
// is cleared and can safely be passed to vstr_free if it was heap allocated.
mp_obj_t mp_obj_new_str_from_vstr(const mp_obj_type_t *type, vstr_t *vstr) {
// if not a bytes object, look if a qstr with this data already exists
if (type == &mp_type_str) {