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/* vi: set sw=4 ts=4: */
/*
* Utility routines.
*
* Copyright (C) 2015 Denys Vlasenko
*
* Licensed under GPLv2, see file LICENSE in this source tree.
*/
//kbuild:lib-y += auto_string.o
#include "libbb.h"
char* FAST_FUNC auto_string(char *str)
{
static char *saved[4];
static uint8_t cur_saved; /* = 0 */
free(saved[cur_saved]);
saved[cur_saved] = str;
cur_saved = (cur_saved + 1) & (ARRAY_SIZE(saved)-1);
return str;
}
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