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py: Add typecode to buffer protocol.

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When querying an object that supports the buffer protocol, that object
must now return a typecode (as per binary.[ch]).  This does not have to
be honoured by the caller, but can be useful for determining element
size.
This commit is contained in:
Damien George
2014-04-18 22:29:21 +01:00
parent 3fd2d7fad2
commit 57a4b4f178
7 changed files with 24 additions and 25 deletions
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2
py/objfun.c
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@@ -426,7 +426,7 @@ STATIC machine_uint_t convert_obj_for_inline_asm(mp_obj_t obj) {
mp_obj_list_get(obj, &len, &items);
return (machine_uint_t)items;
} else {
buffer_info_t bufinfo;
mp_buffer_info_t bufinfo;
if (mp_get_buffer(obj, &bufinfo)) {
// supports the buffer protocol, return a pointer to the data
return (machine_uint_t)bufinfo.buf;