This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
156 lines
3.6 KiB
C
156 lines
3.6 KiB
C
/* $NetBSD: stringlist.c,v 1.13 2008/04/28 20:22:59 martin Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1994, 1999 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Christos Zoulas.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
__RCSID("$NetBSD: stringlist.c,v 1.13 2008/04/28 20:22:59 martin Exp $");
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include "namespace.h"
|
|
|
|
#include <assert.h>
|
|
#include <err.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stringlist.h>
|
|
|
|
#ifdef __weak_alias
|
|
__weak_alias(sl_add,_sl_add)
|
|
__weak_alias(sl_find,_sl_find)
|
|
__weak_alias(sl_free,_sl_free)
|
|
__weak_alias(sl_init,_sl_init)
|
|
__weak_alias(sl_delete,_sl_delete)
|
|
#endif
|
|
|
|
#define _SL_CHUNKSIZE 20
|
|
|
|
/*
|
|
* sl_init(): Initialize a string list
|
|
*/
|
|
StringList *
|
|
sl_init(void)
|
|
{
|
|
StringList *sl;
|
|
|
|
sl = malloc(sizeof(StringList));
|
|
if (sl == NULL)
|
|
return NULL;
|
|
|
|
sl->sl_cur = 0;
|
|
sl->sl_max = _SL_CHUNKSIZE;
|
|
sl->sl_str = malloc(sl->sl_max * sizeof(char *));
|
|
if (sl->sl_str == NULL) {
|
|
free(sl);
|
|
sl = NULL;
|
|
}
|
|
return sl;
|
|
}
|
|
|
|
|
|
/*
|
|
* sl_add(): Add an item to the string list
|
|
*/
|
|
int
|
|
sl_add(StringList *sl, char *name)
|
|
{
|
|
|
|
_DIAGASSERT(sl != NULL);
|
|
|
|
if (sl->sl_cur == sl->sl_max - 1) {
|
|
char **new;
|
|
|
|
new = realloc(sl->sl_str,
|
|
(sl->sl_max + _SL_CHUNKSIZE) * sizeof(char *));
|
|
if (new == NULL)
|
|
return -1;
|
|
sl->sl_max += _SL_CHUNKSIZE;
|
|
sl->sl_str = new;
|
|
}
|
|
sl->sl_str[sl->sl_cur++] = name;
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* sl_free(): Free a stringlist
|
|
*/
|
|
void
|
|
sl_free(StringList *sl, int all)
|
|
{
|
|
size_t i;
|
|
|
|
if (sl == NULL)
|
|
return;
|
|
if (sl->sl_str) {
|
|
if (all)
|
|
for (i = 0; i < sl->sl_cur; i++)
|
|
free(sl->sl_str[i]);
|
|
free(sl->sl_str);
|
|
}
|
|
free(sl);
|
|
}
|
|
|
|
|
|
/*
|
|
* sl_find(): Find a name in the string list
|
|
*/
|
|
char *
|
|
sl_find(StringList *sl, const char *name)
|
|
{
|
|
size_t i;
|
|
|
|
_DIAGASSERT(sl != NULL);
|
|
|
|
for (i = 0; i < sl->sl_cur; i++)
|
|
if (strcmp(sl->sl_str[i], name) == 0)
|
|
return sl->sl_str[i];
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int
|
|
sl_delete(StringList *sl, const char *name, int all)
|
|
{
|
|
size_t i, j;
|
|
|
|
for (i = 0; i < sl->sl_cur; i++)
|
|
if (strcmp(sl->sl_str[i], name) == 0) {
|
|
if (all)
|
|
free(sl->sl_str[i]);
|
|
for (j = i + 1; j < sl->sl_cur; j++)
|
|
sl->sl_str[j - 1] = sl->sl_str[j];
|
|
sl->sl_str[--sl->sl_cur] = NULL;
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
|