File procps-v3.3.3-pwdx.patch of Package procps.16210

--- pwdx.c
+++ pwdx.c	2012-06-06 11:59:43.166745435 +0000
@@ -107,6 +107,7 @@ int main(int argc, char *argv[])
 		buflen = 10 + strlen(argv[i]) + 1;
 		buf = xmalloc(buflen);
 
+		errno = 0;
 		if (check_pid_argument(argv[i]))
 			xerrx(EXIT_FAILURE, _("invalid process id: %s"),
 			     argv[i]);