ADD: num_CPUs(void) method from pm3 master

CHG: clean up in util.c
ADD: seems like mingw doesn't have scandir. Had to add one. *untested*

client/scandir.c

@@ -0,0 +1,91 @@
+/* scandir.cc
+
+   Copyright 1998, 1999, 2000, 2001 Red Hat, Inc.
+
+   Written by Corinna Vinschen <corinna.vinschen@cityweb.de>
+
+   This file is part of Cygwin.
+
+   This software is a copyrighted work licensed under the terms of the
+   Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+   details. */
+
+#include "scandir.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+int scandir (const char *dir,
+	 struct dirent ***namelist,
+	 int (*select) (const struct dirent *),
+	 int (*compar) (const struct dirent **, const struct dirent **))
+{
+	DIR *dirp;
+	struct dirent *ent, *etmp, **nl = NULL, **ntmp;
+	int count = 0;
+	int allocated = 0;
+	int err_no = 0;
+	
+	if (!(dirp = opendir (dir)))
+		return -1;
+
+	while ((ent = readdir (dirp))) {
+		if (!select || select (ent)) {
+
+			err_no =0;
+
+			if (count == allocated) {
+				if (allocated == 0)
+					allocated = 10;
+				else
+					allocated *= 2;
+
+				ntmp = (struct dirent **) realloc (nl, allocated * sizeof *nl);
+				if (!ntmp) {
+					err_no = 1;
+					break;
+				}
+				nl = ntmp;
+			}
+
+			if (!(etmp = (struct dirent *) malloc (sizeof *ent))) {
+				err_no = 1;
+				break;
+			}
+			*etmp = *ent;
+			nl[count++] = etmp;
+		}
+	}
+
+	if (err_no != 0) {
+		closedir (dirp);
+		if (nl)	{
+			while (count > 0)
+				free (nl[--count]);
+				free (nl);
+		}
+		return -1;
+	}
+
+	closedir (dirp);
+
+	qsort (nl, count, sizeof *nl, (int (*)(const void *, const void *)) compar);
+	if (namelist)
+		*namelist = nl;
+	return count;
+}
+#ifdef __cplusplus
+}
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+int alphasort (const struct dirent **a, const struct dirent **b)
+{
+	return strcoll ((*a)->d_name, (*b)->d_name);
+}
+#ifdef __cplusplus
+}
+#endif