Add function for estimating the size of an obitype or of an array of

obitype.

src/obitypes.c

@@ -0,0 +1,53 @@
+/*
+ * obitypes.c
+ *
+ *  Created on: 23 mai 2015
+ *      Author: coissac
+ */
+
+#include <obitypes.h>
+
+size_t obi_sizeof(OBIType_t type) {
+	size_t size=0
+
+	switch (type) {
+	case OBI_VOID:  size = 1;
+					break;
+
+	case OBI_INT:   size = sizeof(obiint_t);
+					break;
+
+	case OBI_FLOAT: size = sizeof(obifloat_t);
+					break;
+
+	case OBI_CHAR:  size = sizeof(obichar_t);
+					break;
+
+	case OBI_IDX:   size = sizeof(obiidx_t);
+					break;
+
+	default:        size = 0;
+	}
+
+	return size;
+}
+
+
+size_t obi_array_sizeof(OBIType_t type,size_t nbelement) {
+	size_t size;
+	size_t rsize;
+	size_t psize;
+
+	size = obi_sizeof(type) * nbelement;
+
+	psize= getpagesize();
+	rsize= size % psize;
+
+	// Round at a size multiple of pagesize
+	if (rsize)
+		size = (size / psize) * psize + psize;
+
+
+	return size;
+}
+