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16cd3c0619
There's really only one bug fix in here that should be significant for GNO hush. The other changes should be inconsequential, AFAIK.
24 lines
435 B
C
24 lines
435 B
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) 2015 Denys Vlasenko
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*
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* Licensed under GPLv2, see file LICENSE in this source tree.
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*/
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//kbuild:lib-y += auto_string.o
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#include "libbb.h"
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char* FAST_FUNC auto_string(char *str)
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{
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static char *saved[4];
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static uint8_t cur_saved; /* = 0 */
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free(saved[cur_saved]);
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saved[cur_saved] = str;
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cur_saved = (cur_saved + 1) & (ARRAY_SIZE(saved)-1);
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return str;
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}
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