[BACK]Return to compat_stringlist.c CVS log [TXT][DIR] Up to [cvsweb.bsd.lv] / mandoc

Annotation of mandoc/compat_stringlist.c, Revision 1.6

1.5       schwarze    1: #include "config.h"
                      2:
                      3: #if HAVE_STRINGLIST
                      4:
                      5: int dummy;
                      6:
                      7: #else
                      8:
1.6     ! schwarze    9: /*     $Id: compat_stringlist.c,v 1.5 2015/05/21 00:13:43 schwarze Exp $       */
1.1       schwarze   10: /*
1.2       schwarze   11:  * Copyright (c) 1994 Christos Zoulas <christos@netbsd.org>
1.1       schwarze   12:  * All rights reserved.
                     13:  *
                     14:  * Redistribution and use in source and binary forms, with or without
                     15:  * modification, are permitted provided that the following conditions
                     16:  * are met:
                     17:  * 1. Redistributions of source code must retain the above copyright
                     18:  *    notice, this list of conditions and the following disclaimer.
                     19:  * 2. Redistributions in binary form must reproduce the above copyright
                     20:  *    notice, this list of conditions and the following disclaimer in the
                     21:  *    documentation and/or other materials provided with the distribution.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
                     24:  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     25:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
                     27:  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     33:  * SUCH DAMAGE.
                     34:  */
                     35:
1.6     ! schwarze   36: #if HAVE_ERR
1.1       schwarze   37: #include <err.h>
1.6     ! schwarze   38: #endif
1.1       schwarze   39: #include <stdlib.h>
1.2       schwarze   40: #include <string.h>
                     41: #include "compat_stringlist.h"
1.1       schwarze   42:
                     43: #define _SL_CHUNKSIZE  20
                     44:
                     45: /*
                     46:  * sl_init(): Initialize a string list
                     47:  */
                     48: StringList *
                     49: sl_init(void)
                     50: {
                     51:        StringList *sl;
                     52:
                     53:        sl = malloc(sizeof(StringList));
                     54:        if (sl == NULL)
1.2       schwarze   55:                err(1, "stringlist");
1.1       schwarze   56:
                     57:        sl->sl_cur = 0;
                     58:        sl->sl_max = _SL_CHUNKSIZE;
1.3       schwarze   59:        sl->sl_str = reallocarray(NULL, sl->sl_max, sizeof(char *));
1.1       schwarze   60:        if (sl->sl_str == NULL)
1.2       schwarze   61:                err(1, "stringlist");
1.1       schwarze   62:        return sl;
                     63: }
                     64:
                     65:
                     66: /*
                     67:  * sl_add(): Add an item to the string list
                     68:  */
                     69: int
                     70: sl_add(StringList *sl, char *name)
                     71: {
                     72:        if (sl->sl_cur == sl->sl_max - 1) {
                     73:                sl->sl_max += _SL_CHUNKSIZE;
1.3       schwarze   74:                sl->sl_str = reallocarray(sl->sl_str,
                     75:                    sl->sl_max, sizeof(char *));
1.1       schwarze   76:                if (sl->sl_str == NULL)
                     77:                        return (-1);
                     78:        }
                     79:        sl->sl_str[sl->sl_cur++] = name;
                     80:        return (0);
                     81: }
                     82:
                     83:
                     84: /*
                     85:  * sl_free(): Free a stringlist
                     86:  */
                     87: void
                     88: sl_free(StringList *sl, int all)
                     89: {
                     90:        size_t i;
                     91:
                     92:        if (sl == NULL)
                     93:                return;
                     94:        if (sl->sl_str) {
                     95:                if (all)
                     96:                        for (i = 0; i < sl->sl_cur; i++)
                     97:                                free(sl->sl_str[i]);
                     98:                free(sl->sl_str);
                     99:        }
                    100:        free(sl);
                    101: }
                    102:
                    103:
                    104: /*
                    105:  * sl_find(): Find a name in the string list
                    106:  */
                    107: char *
                    108: sl_find(StringList *sl, const char *name)
                    109: {
                    110:        size_t i;
                    111:
                    112:        for (i = 0; i < sl->sl_cur; i++)
                    113:                if (strcmp(sl->sl_str[i], name) == 0)
                    114:                        return sl->sl_str[i];
                    115:
                    116:        return NULL;
                    117: }
1.5       schwarze  118:
                    119: #endif

CVSweb