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stringlist.c (165903) stringlist.c (249801)
1/*
2 * Copyright (c) 1994 Christos Zoulas
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#if defined(LIBC_SCCS) && !defined(lint)
30static char *rcsid = "$NetBSD: stringlist.c,v 1.2 1997/01/17 07:26:20 lukem Exp $";
31#endif /* LIBC_SCCS and not lint */
32#include <sys/cdefs.h>
1/*
2 * Copyright (c) 1994 Christos Zoulas
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 16 unchanged lines hidden (view full) ---

25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#if defined(LIBC_SCCS) && !defined(lint)
30static char *rcsid = "$NetBSD: stringlist.c,v 1.2 1997/01/17 07:26:20 lukem Exp $";
31#endif /* LIBC_SCCS and not lint */
32#include <sys/cdefs.h>
33__FBSDID("$FreeBSD: head/lib/libc/gen/stringlist.c 165903 2007-01-09 00:28:16Z imp $");
33__FBSDID("$FreeBSD: head/lib/libc/gen/stringlist.c 249801 2013-04-23 13:03:01Z eadler $");
34
35#include "namespace.h"
36#include <stdio.h>
37#include <string.h>
38#include <err.h>
39#include <stdlib.h>
40#include <stringlist.h>
41#include "un-namespace.h"
42
43#define _SL_CHUNKSIZE 20
44
45/*
46 * sl_init(): Initialize a string list
47 */
48StringList *
34
35#include "namespace.h"
36#include <stdio.h>
37#include <string.h>
38#include <err.h>
39#include <stdlib.h>
40#include <stringlist.h>
41#include "un-namespace.h"
42
43#define _SL_CHUNKSIZE 20
44
45/*
46 * sl_init(): Initialize a string list
47 */
48StringList *
49sl_init()
49sl_init(void)
50{
51 StringList *sl;
52
53 sl = malloc(sizeof(StringList));
54 if (sl == NULL)
55 _err(1, "stringlist: %m");
56
57 sl->sl_cur = 0;

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62 return sl;
63}
64
65
66/*
67 * sl_add(): Add an item to the string list
68 */
69int
50{
51 StringList *sl;
52
53 sl = malloc(sizeof(StringList));
54 if (sl == NULL)
55 _err(1, "stringlist: %m");
56
57 sl->sl_cur = 0;

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62 return sl;
63}
64
65
66/*
67 * sl_add(): Add an item to the string list
68 */
69int
70sl_add(sl, name)
71 StringList *sl;
72 char *name;
70sl_add(StringList *sl, char *name)
73{
74 if (sl->sl_cur == sl->sl_max - 1) {
75 sl->sl_max += _SL_CHUNKSIZE;
76 sl->sl_str = reallocf(sl->sl_str, sl->sl_max * sizeof(char *));
77 if (sl->sl_str == NULL)
78 return (-1);
79 }
80 sl->sl_str[sl->sl_cur++] = name;
81 return (0);
82}
83
84
85/*
86 * sl_free(): Free a stringlist
87 */
88void
71{
72 if (sl->sl_cur == sl->sl_max - 1) {
73 sl->sl_max += _SL_CHUNKSIZE;
74 sl->sl_str = reallocf(sl->sl_str, sl->sl_max * sizeof(char *));
75 if (sl->sl_str == NULL)
76 return (-1);
77 }
78 sl->sl_str[sl->sl_cur++] = name;
79 return (0);
80}
81
82
83/*
84 * sl_free(): Free a stringlist
85 */
86void
89sl_free(sl, all)
90 StringList *sl;
91 int all;
87sl_free(StringList *sl, 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 */
110char *
88{
89 size_t i;
90
91 if (sl == NULL)
92 return;
93 if (sl->sl_str) {
94 if (all)
95 for (i = 0; i < sl->sl_cur; i++)
96 free(sl->sl_str[i]);
97 free(sl->sl_str);
98 }
99 free(sl);
100}
101
102
103/*
104 * sl_find(): Find a name in the string list
105 */
106char *
111sl_find(sl, name)
112 StringList *sl;
113 char *name;
107sl_find(StringList *sl, 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}
108{
109 size_t i;
110
111 for (i = 0; i < sl->sl_cur; i++)
112 if (strcmp(sl->sl_str[i], name) == 0)
113 return sl->sl_str[i];
114
115 return NULL;
116}