98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/* $OpenBSD: stringlist.c,v 1.14 2019/05/16 12:44:18 florian Exp $ */
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/* $NetBSD: stringlist.c,v 1.2 1997/01/17 07:26:20 lukem Exp $ */
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/*
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* Copyright (c) 1994 Christos Zoulas
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef SMALL
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#include <stdio.h>
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#include <string.h>
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#include <err.h>
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#include <stdlib.h>
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#include "stringlist.h"
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#define _SL_CHUNKSIZE 20
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/*
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* sl_init(): Initialize a string list
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*/
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StringList *
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sl_init(void)
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{
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StringList *sl = malloc(sizeof(StringList));
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if (sl == NULL)
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err(1, "stringlist");
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sl->sl_cur = 0;
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sl->sl_max = _SL_CHUNKSIZE;
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sl->sl_str = calloc(sl->sl_max, sizeof(char *));
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if (sl->sl_str == NULL)
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err(1, "stringlist");
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return sl;
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}
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/*
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* sl_add(): Add an item to the string list
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*/
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void
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sl_add(StringList *sl, char *name)
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{
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if (sl->sl_cur == sl->sl_max - 1) {
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sl->sl_max += _SL_CHUNKSIZE;
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sl->sl_str = reallocarray(sl->sl_str, sl->sl_max,
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sizeof(char *));
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if (sl->sl_str == NULL)
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err(1, "stringlist");
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}
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sl->sl_str[sl->sl_cur++] = name;
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}
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/*
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* sl_free(): Free a stringlist
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*/
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void
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sl_free(StringList *sl, int all)
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{
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size_t i;
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if (sl == NULL)
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return;
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if (sl->sl_str) {
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if (all)
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for (i = 0; i < sl->sl_cur; i++)
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free(sl->sl_str[i]);
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free(sl->sl_str);
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}
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free(sl);
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}
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#endif /* !SMALL */
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