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/* $OpenBSD: stringlist.c,v 1.12 2015/05/20 23:39:55 schwarze 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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✗✓ |
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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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✗✓ |
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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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