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-rw-r--r--extmod/modubinascii.c4
-rw-r--r--py/mpconfig.h5
-rw-r--r--tests/extmod/ubinascii_crc32.py6
-rw-r--r--unix/mpconfigport.h1
4 files changed, 16 insertions, 0 deletions
diff --git a/extmod/modubinascii.c b/extmod/modubinascii.c
index dc41d1dc98..562c754b52 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);
diff --git a/py/mpconfig.h b/py/mpconfig.h
index 3808df7430..491a537460 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -887,6 +887,11 @@ typedef double mp_float_t;
#define MICROPY_PY_UBINASCII (0)
#endif
+// Depends on MICROPY_PY_UZLIB
+#ifndef MICROPY_PY_UBINASCII_CRC32
+#define MICROPY_PY_UBINASCII_CRC32 (0)
+#endif
+
#ifndef MICROPY_PY_URANDOM
#define MICROPY_PY_URANDOM (0)
#endif
diff --git a/tests/extmod/ubinascii_crc32.py b/tests/extmod/ubinascii_crc32.py
index cb86603d53..2c40177518 100644
--- a/tests/extmod/ubinascii_crc32.py
+++ b/tests/extmod/ubinascii_crc32.py
@@ -2,6 +2,12 @@ try:
import ubinascii as binascii
except ImportError:
import binascii
+try:
+ binascii.crc32
+except AttributeError:
+ print("SKIP")
+ import sys
+ sys.exit()
print(hex(binascii.crc32(b'The quick brown fox jumps over the lazy dog')))
print(hex(binascii.crc32(b'\x00' * 32)))
diff --git a/unix/mpconfigport.h b/unix/mpconfigport.h
index 9845e1ce5f..56cfaa2ac1 100644
--- a/unix/mpconfigport.h
+++ b/unix/mpconfigport.h
@@ -117,6 +117,7 @@
#define MICROPY_PY_UHASHLIB_SHA1 (1)
#endif
#define MICROPY_PY_UBINASCII (1)
+#define MICROPY_PY_UBINASCII_CRC32 (1)
#define MICROPY_PY_URANDOM (1)
#ifndef MICROPY_PY_USELECT
#define MICROPY_PY_USELECT (1)