Annotation of mandoc/compat_stringlist.c, Revision 1.5
1.5 ! schwarze 1: #include "config.h"
! 2:
! 3: #if HAVE_STRINGLIST
! 4:
! 5: int dummy;
! 6:
! 7: #else
! 8:
! 9: /* $Id: compat_stringlist.c,v 1.4 2015/05/20 23:43:03 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:
36: #include <err.h>
37: #include <stdlib.h>
1.2 schwarze 38: #include <string.h>
39: #include "compat_stringlist.h"
1.1 schwarze 40:
41: #define _SL_CHUNKSIZE 20
42:
43: /*
44: * sl_init(): Initialize a string list
45: */
46: StringList *
47: sl_init(void)
48: {
49: StringList *sl;
50:
51: sl = malloc(sizeof(StringList));
52: if (sl == NULL)
1.2 schwarze 53: err(1, "stringlist");
1.1 schwarze 54:
55: sl->sl_cur = 0;
56: sl->sl_max = _SL_CHUNKSIZE;
1.3 schwarze 57: sl->sl_str = reallocarray(NULL, sl->sl_max, sizeof(char *));
1.1 schwarze 58: if (sl->sl_str == NULL)
1.2 schwarze 59: err(1, "stringlist");
1.1 schwarze 60: return sl;
61: }
62:
63:
64: /*
65: * sl_add(): Add an item to the string list
66: */
67: int
68: sl_add(StringList *sl, char *name)
69: {
70: if (sl->sl_cur == sl->sl_max - 1) {
71: sl->sl_max += _SL_CHUNKSIZE;
1.3 schwarze 72: sl->sl_str = reallocarray(sl->sl_str,
73: sl->sl_max, sizeof(char *));
1.1 schwarze 74: if (sl->sl_str == NULL)
75: return (-1);
76: }
77: sl->sl_str[sl->sl_cur++] = name;
78: return (0);
79: }
80:
81:
82: /*
83: * sl_free(): Free a stringlist
84: */
85: void
86: sl_free(StringList *sl, int all)
87: {
88: size_t i;
89:
90: if (sl == NULL)
91: return;
92: if (sl->sl_str) {
93: if (all)
94: for (i = 0; i < sl->sl_cur; i++)
95: free(sl->sl_str[i]);
96: free(sl->sl_str);
97: }
98: free(sl);
99: }
100:
101:
102: /*
103: * sl_find(): Find a name in the string list
104: */
105: char *
106: sl_find(StringList *sl, const char *name)
107: {
108: size_t i;
109:
110: for (i = 0; i < sl->sl_cur; i++)
111: if (strcmp(sl->sl_str[i], name) == 0)
112: return sl->sl_str[i];
113:
114: return NULL;
115: }
1.5 ! schwarze 116:
! 117: #endif
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