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Fix directorout typemaps which were causing undefined behaviour when returning pointers by reference.

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Closes #1167
This commit is contained in:
William S Fulton 2017-12-13 20:47:05 +00:00
commit e86c881a70
6 changed files with 24 additions and 7 deletions
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6
Lib/csharp/csharp.swg
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@ -857,8 +857,10 @@ SWIGINTERN const char * SWIG_UnpackData(const char *c, void *ptr, size_t sz) {
%{ $result = (void *)*$1; %}
%typemap(directorin) SWIGTYPE *const&
%{ $input = (void *) $1; %}
%typemap(directorout, warning=SWIGWARN_TYPEMAP_DIRECTOROUT_PTR_MSG) SWIGTYPE *const&
%{ $result = ($1_ltype)&$input; %}
%typemap(directorout, warning=SWIGWARN_TYPEMAP_THREAD_UNSAFE_MSG) SWIGTYPE *const&
%{ static $*1_ltype swig_temp;
swig_temp = ($*1_ltype)$input;
$result = &swig_temp; %}
%typemap(csdirectorin) SWIGTYPE *const& "($iminput == global::System.IntPtr.Zero) ? null : new $*csclassname($iminput, false)"
%typemap(csdirectorout) SWIGTYPE *const& "$*csclassname.getCPtr($cscall).Handle"