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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| /* $Id: compat_stringlist.c,v 1.8 2020/06/15 21:48:09 schwarze Exp $ */ | ||
| /* $NetBSD: stringlist.c,v 1.14 2015/05/21 01:29:13 christos 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 "config.h" | ||
|
|
||
| #include <stdlib.h> | ||
| #include <string.h> | ||
| #include "compat_stringlist.h" | ||
|
|
||
| #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 = reallocarray(NULL, 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) | ||
| { | ||
| if (sl->sl_cur == sl->sl_max - 1) { | ||
| char **new; | ||
|
|
||
| new = reallocarray(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; | ||
|
|
||
| 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; | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| /* $Id: compat_stringlist.h,v 1.5 2020/06/15 21:48:09 schwarze Exp $ */ | ||
| /* $NetBSD: stringlist.h,v 1.7 2008/04/28 20:22:54 martin Exp $ */ | ||
|
|
||
| /*- | ||
| * Copyright (c) 1994 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/types.h> | ||
|
|
||
| /* | ||
| * Simple string list | ||
| */ | ||
| typedef struct _stringlist { | ||
| char **sl_str; | ||
| size_t sl_max; | ||
| size_t sl_cur; | ||
| } StringList; | ||
|
|
||
| StringList *sl_init(void); | ||
| int sl_add(StringList *, char *); | ||
| void sl_free(StringList *, int); | ||
| char *sl_find(StringList *, const char *); | ||
| int sl_delete(StringList *, const char *, int); |
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