LXR busybox/libbb/auto

   1/* vi: set sw=4 ts=4: */
   2/*
   3 * Utility routines.
   4 *
   5 * Copyright (C) 2015 Denys Vlasenko
   6 *
   7 * Licensed under GPLv2, see file LICENSE in this source tree.
   8 */
   9//kbuild:lib-y += auto_string.o
  10
  11#include "libbb.h"
  12
  13char* FAST_FUNC auto_string(char *str)
  14{
  15        static char *saved[4];
  16        static uint8_t cur_saved; /* = 0 */
  17
  18        free(saved[cur_saved]);
  19        saved[cur_saved] = str;
  20        cur_saved = (cur_saved + 1) & (ARRAY_SIZE(saved)-1);
  21
  22        return str;
  23}
  24