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import cython
from libc.stdlib cimport malloc
from libc.stdlib cimport free
cdef extern from "librns510.h":
void librns510_encode(const char *lat, const char *lon, char *code)
cdef extern from "librns510.h":
char *librns510_decode(const char *code, char *lat, char *lon)
def encode(char *lat, char *lon):
assert lat is not NULL
assert lon is not NULL
cdef bytes py_string
cdef char *out
out=<char *> malloc(128)
librns510_encode(lat,lon,out)
try:
py_string=out
finally:
free(out)
return py_string
def decode(char *code):
assert code is not NULL
cdef bytes py_lat
cdef bytes py_lon
cdef char *lat
cdef char *lon
lat=<char *> malloc(128)
lon=<char *> malloc(128)
librns510_decode(code,lat,lon)
try:
py_lat=lat
finally:
free(lat)
try:
py_lon=lon
finally:
free(lon)
return py_lat,py_lon
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