mirror of
https://github.com/sheumann/hush.git
synced 2024-06-13 18:29:34 +00:00
24 lines
435 B
C
24 lines
435 B
C
|
/* 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;
|
||
|
|
}
|