Add copydir() function because xcopy doesn't work in XP without a

window.

src/port/copydir.c

@@ -0,0 +1,44 @@
+/*
+ *	While "xcopy /e /i /q" works fine for copying directories, on Windows XP
+ *	it requires an Window handle which prevents it from working when invoked
+ *	as a service.
+ */
+
+#include "postgres.h"
+
+int
+copydir(char *fromdir,char *todir)
+{
+	DIR		   *xldir;
+	struct dirent *xlde;
+	char		fromfl[MAXPGPATH];
+	char		tofl[MAXPGPATH];
+
+	if (mkdir(todir) != 0)
+	{
+		elog(ERROR, "could not make directory '%s'",todir);
+		return 1;
+	}
+	xldir = opendir(fromdir);
+	if (xldir == NULL)
+	{
+		closedir(xldir);
+		elog(ERROR, "could not open directory '%s'",fromdir);
+		return 1;
+	}
+
+	while ((xlde = readdir(xldir)) != NULL)
+	{
+			snprintf(fromfl, MAXPGPATH, "%s/%s", fromdir, xlde->d_name);
+			snprintf(tofl, MAXPGPATH, "%s/%s", todir, xlde->d_name);
+			if (CopyFile(fromfl,tofl,TRUE) < 0)
+			{
+				closedir(xldir);
+				elog(ERROR,"could not create file %s\n",todir);
+				return 1;
+			}
+	}
+
+	closedir(xldir);
+	return 0;
+}