Return to stringlist.c CVS log

Up to [local] / src / usr.bin / ftp

Annotation of src/usr.bin/ftp/stringlist.c, Revision 1.2

1.2     ! millert     1: /*     $OpenBSD: stringlist.c,v 1.1 1997/02/03 01:05:44 millert Exp $  */
1.1       millert     2: /*     $NetBSD: stringlist.c,v 1.2 1997/01/17 07:26:20 lukem Exp $     */
                      3:
                      4: /*
                      5:  * Copyright (c) 1994 Christos Zoulas
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. All advertising materials mentioning features or use of this software
                     17:  *    must display the following acknowledgement:
                     18:  *     This product includes software developed by Christos Zoulas.
                     19:  * 4. The name of the author may not be used to endorse or promote products
                     20:  *    derived from this software without specific prior written permission.
                     21:  *
                     22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
                     23:  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     24:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     25:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
                     26:  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     27:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     28:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     29:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     30:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     31:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     32:  * SUCH DAMAGE.
                     33:  */
                     34:
                     35: #if defined(LIBC_SCCS) && !defined(lint)
1.2     ! millert    36: static char *rcsid = "$OpenBSD: stringlist.c,v 1.1 1997/02/03 01:05:44 millert Exp $";
1.1       millert    37: #endif /* LIBC_SCCS and not lint */
                     38:
                     39: #include <stdio.h>
                     40: #include <string.h>
                     41: #include <err.h>
                     42: #include <stdlib.h>
                     43:
                     44: #include "stringlist.h"
                     45:
                     46: #define _SL_CHUNKSIZE  20
                     47:
                     48: /*
                     49:  * sl_init(): Initialize a string list
                     50:  */
                     51: StringList *
                     52: sl_init()
                     53: {
                     54:        StringList *sl = malloc(sizeof(StringList));
                     55:        if (sl == NULL)
1.2     ! millert    56:                err(1, "stringlist: %m");
1.1       millert    57:
                     58:        sl->sl_cur = 0;
                     59:        sl->sl_max = _SL_CHUNKSIZE;
                     60:        sl->sl_str = malloc(sl->sl_max * sizeof(char *));
                     61:        if (sl->sl_str == NULL)
1.2     ! millert    62:                err(1, "stringlist: %m");
1.1       millert    63:        return sl;
                     64: }
                     65:
                     66:
                     67: /*
                     68:  * sl_add(): Add an item to the string list
                     69:  */
                     70: void
                     71: sl_add(sl, name)
                     72:        StringList *sl;
                     73:        char *name;
                     74: {
                     75:        if (sl->sl_cur == sl->sl_max - 1) {
                     76:                sl->sl_max += _SL_CHUNKSIZE;
                     77:                sl->sl_str = realloc(sl->sl_str, sl->sl_max * sizeof(char *));
                     78:                if (sl->sl_str == NULL)
1.2     ! millert    79:                        err(1, "stringlist: %m");
1.1       millert    80:        }
                     81:        sl->sl_str[sl->sl_cur++] = name;
                     82: }
                     83:
                     84:
                     85: /*
                     86:  * sl_free(): Free a stringlist
                     87:  */
                     88: void
                     89: sl_free(sl, all)
                     90:        StringList *sl;
                     91:        int all;
                     92: {
                     93:        size_t i;
                     94:
                     95:        if (sl == NULL)
                     96:                return;
                     97:        if (sl->sl_str) {
                     98:                if (all)
                     99:                        for (i = 0; i < sl->sl_cur; i++)
                    100:                                free(sl->sl_str[i]);
                    101:                free(sl->sl_str);
                    102:        }
                    103:        free(sl);
                    104: }
                    105:
                    106:
                    107: /*
                    108:  * sl_find(): Find a name in the string list
                    109:  */
                    110: char *
                    111: sl_find(sl, name)
                    112:        StringList *sl;
                    113:        char *name;
                    114: {
                    115:        size_t i;
                    116:
                    117:        for (i = 0; i < sl->sl_cur; i++)
                    118:                if (strcmp(sl->sl_str[i], name) == 0)
                    119:                        return sl->sl_str[i];
                    120:
                    121:        return NULL;
                    122: }