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Add generic approach in fragments for converting size_t to Java int

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This commit is contained in:
William S Fulton 2017-06-05 18:49:54 +01:00
commit 5eb9f735da
2 changed files with 35 additions and 38 deletions
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Lib/java/java.swg
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@ -54,6 +54,14 @@ SWIGINTERN const char * SWIG_UnpackData(const char *c, void *ptr, size_t sz) {
}
}
%fragment("SWIG_JavaIntFromSize_t", "header") {
/* Check for overflow converting to Java int (always signed 32-bit) from (unsigned variable-bit) size_t */
SWIGINTERN jint SWIG_JavaIntFromSize_t(size_t size) {
static const jint JINT_MAX = 0x7FFFFFFF;
return (size > (size_t)JINT_MAX) ? -1 : (jint)size;
}
}
/* Primitive types */
%typemap(jni) bool, const bool & "jboolean"
%typemap(jni) char, const char & "jchar"