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mraa/src/javascript/mraajs.i
Brendan Le Foll 4698d18fa1 mraajs.i: Fix memory leak on javascript Spi::write
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
2015-07-02 19:06:59 +01:00

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%module (docstring="Javascript interface to libmraa") mraa
%feature("autodoc", "3");
%include carrays.i
%include cpointer.i
%array_class(uint8_t, uint8Array);
%inline %{
#include <node_buffer.h>
%}
%typemap(in) (const char* data, int length) {
if (!node::Buffer::HasInstance($input)) {
SWIG_exception_fail(SWIG_ERROR, "Expected a node Buffer");
}
$1 = (char*) node::Buffer::Data($input);
$2 = node::Buffer::Length($input);
}
%typemap(in) (const uint8_t *data, int length) {
if (!node::Buffer::HasInstance($input)) {
SWIG_exception_fail(SWIG_ERROR, "Expected a node Buffer");
}
$1 = (uint8_t*) node::Buffer::Data($input);
$2 = node::Buffer::Length($input);
}
%typemap(in) (uint8_t *txBuf, int length) {
if (!node::Buffer::HasInstance($input)) {
SWIG_exception_fail(SWIG_ERROR, "Expected a node Buffer");
}
$1 = (uint8_t*) node::Buffer::Data($input);
$2 = node::Buffer::Length($input);
}
%typemap(in) (v8::Handle<v8::Function> func) {
$1 = v8::Local<v8::Function>::Cast($input);
}
namespace mraa {
class Spi;
%typemap(out) uint8_t*
{
%#if SWIG_V8_VERSION > 0x032870
$result = node::Buffer::New((char*) $1, arg3);
%#else
$result = node::Buffer::New((char*) $1, arg3)->handle_;
%#endif
free($1);
}
}
%newobject Uart::read(char* data, int length);
%newobject I2c::read(uint8_t *data, int length);
%newobject Spi::write(uint8_t *data, int length);
//Uart::read()
%typemap(in) (char* data, int length) {
int x;
int ecode = SWIG_AsVal_int($input, &x);
if (!SWIG_IsOK(ecode)) {
SWIG_exception_fail(SWIG_ArgError(ecode), "Expected an int");
}
$2 = x;
if ($2 < 0) {
SWIG_exception_fail(SWIG_ERROR, "Positive integer expected");
SWIGV8_RETURN(SWIGV8_UNDEFINED());
}
$1 = (char*) malloc($2 * sizeof(uint8_t));
}
%typemap(argout) (char* data, int length) {
if (result < 0) { /* Check for I/O error */
free($1);
SWIG_exception_fail(SWIG_ERROR, "I2c write failed");
SWIGV8_RETURN(SWIGV8_UNDEFINED());
}
%#if SWIG_V8_VERSION > 0x032870
$result = node::Buffer::New((char*) $1, result);
%#else
$result = node::Buffer::New((char*) $1, result)->handle_;
%#endif
free($1);
}
//I2c::read()
%typemap(in) (uint8_t *data, int length) {
int x;
int ecode = SWIG_AsVal_int($input, &x);
if (!SWIG_IsOK(ecode)) {
SWIG_exception_fail(SWIG_ArgError(ecode), "Expected an int");
}
$2 = x;
if ($2 < 0) {
SWIG_exception_fail(SWIG_ERROR, "Positive integer expected");
SWIGV8_RETURN(SWIGV8_UNDEFINED());
}
$1 = (uint8_t*) malloc($2 * sizeof(uint8_t));
}
%typemap(argout) (uint8_t *data, int length) {
if (result < 0) { /* Check for I/O error */
free($1);
SWIG_exception_fail(SWIG_ERROR, "I2c write failed");
SWIGV8_RETURN(SWIGV8_UNDEFINED());
}
%#if SWIG_V8_VERSION > 0x032870
$result = node::Buffer::New((char*) $1, result);
%#else
$result = node::Buffer::New((char*) $1, result)->handle_;
%#endif
free($1);
}
%include ../mraa.i
%init %{
//Adding mraa_init() to the module initialisation process
mraa_init();
%}