From c4283675439d549fac09c5695aa5f8d6c3319dd5 Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky
Date: Wed, 24 Aug 2016 18:28:43 +0300
Subject: extmod/modubinascii: Make crc32() support configurable.

Disable by default, enable in unix port.
---
 extmod/modubinascii.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'extmod')

diff --git a/extmod/modubinascii.c b/extmod/modubinascii.c
index dc41d1dc9..562c754b5 100644
--- a/extmod/modubinascii.c
+++ b/extmod/modubinascii.c
@@ -204,6 +204,7 @@ mp_obj_t mod_binascii_b2a_base64(mp_obj_t data) {
 }
 MP_DEFINE_CONST_FUN_OBJ_1(mod_binascii_b2a_base64_obj, mod_binascii_b2a_base64);
 
+#if MICROPY_PY_UBINASCII_CRC32
 mp_obj_t mod_binascii_crc32(size_t n_args, const mp_obj_t *args) {
     mp_buffer_info_t bufinfo;
     mp_get_buffer_raise(args[0], &bufinfo, MP_BUFFER_READ);
@@ -212,6 +213,7 @@ mp_obj_t mod_binascii_crc32(size_t n_args, const mp_obj_t *args) {
     return MP_OBJ_NEW_SMALL_INT(crc ^ 0xffffffff);
 }
 MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_binascii_crc32_obj, 1, 2, mod_binascii_crc32);
+#endif
 
 #if MICROPY_PY_UBINASCII
 
@@ -221,7 +223,9 @@ STATIC const mp_rom_map_elem_t mp_module_binascii_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_unhexlify), MP_ROM_PTR(&mod_binascii_unhexlify_obj) },
     { MP_ROM_QSTR(MP_QSTR_a2b_base64), MP_ROM_PTR(&mod_binascii_a2b_base64_obj) },
     { MP_ROM_QSTR(MP_QSTR_b2a_base64), MP_ROM_PTR(&mod_binascii_b2a_base64_obj) },
+    #if MICROPY_PY_UBINASCII_CRC32
     { MP_ROM_QSTR(MP_QSTR_crc32), MP_ROM_PTR(&mod_binascii_crc32_obj) },
+    #endif
 };
 
 STATIC MP_DEFINE_CONST_DICT(mp_module_binascii_globals, mp_module_binascii_globals_table);
-- 
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