1 /* Copyright (c) 2008 The NetBSD Foundation, Inc.
2 * All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
14 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
15 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
20 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
22 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
24 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
25
26 #include "atf-c/detail/text.h"
27
28 #include <errno.h>
29 #include <limits.h>
30 #include <string.h>
31 #include <stdlib.h>
32
33 #include "atf-c/detail/dynstr.h"
34 #include "atf-c/detail/sanity.h"
35 #include "atf-c/error.h"
36
37 atf_error_t
atf_text_for_each_word(const char * instr,const char * sep,atf_error_t (* func)(const char *,void *),void * data)38 atf_text_for_each_word(const char *instr, const char *sep,
39 atf_error_t (*func)(const char *, void *),
40 void *data)
41 {
42 atf_error_t err;
43 char *str, *str2, *last;
44
45 str = strdup(instr);
46 if (str == NULL) {
47 err = atf_no_memory_error();
48 goto out;
49 }
50
51 err = atf_no_error();
52 str2 = strtok_r(str, sep, &last);
53 while (str2 != NULL && !atf_is_error(err)) {
54 err = func(str2, data);
55 str2 = strtok_r(NULL, sep, &last);
56 }
57
58 free(str);
59 out:
60 return err;
61 }
62
63 atf_error_t
atf_text_format(char ** dest,const char * fmt,...)64 atf_text_format(char **dest, const char *fmt, ...)
65 {
66 atf_error_t err;
67 va_list ap;
68
69 va_start(ap, fmt);
70 err = atf_text_format_ap(dest, fmt, ap);
71 va_end(ap);
72
73 return err;
74 }
75
76 atf_error_t
atf_text_format_ap(char ** dest,const char * fmt,va_list ap)77 atf_text_format_ap(char **dest, const char *fmt, va_list ap)
78 {
79 atf_error_t err;
80 atf_dynstr_t tmp;
81 va_list ap2;
82
83 va_copy(ap2, ap);
84 err = atf_dynstr_init_ap(&tmp, fmt, ap2);
85 va_end(ap2);
86 if (!atf_is_error(err))
87 *dest = atf_dynstr_fini_disown(&tmp);
88
89 return err;
90 }
91
92 atf_error_t
atf_text_split(const char * str,const char * delim,atf_list_t * words)93 atf_text_split(const char *str, const char *delim, atf_list_t *words)
94 {
95 atf_error_t err;
96 const char *end;
97 const char *iter;
98
99 err = atf_list_init(words);
100 if (atf_is_error(err))
101 goto err;
102
103 end = str + strlen(str);
104 INV(*end == '\0');
105 iter = str;
106 while (iter < end) {
107 const char *ptr;
108
109 INV(iter != NULL);
110 ptr = strstr(iter, delim);
111 if (ptr == NULL)
112 ptr = end;
113
114 INV(ptr >= iter);
115 if (ptr > iter) {
116 atf_dynstr_t word;
117
118 err = atf_dynstr_init_raw(&word, iter, ptr - iter);
119 if (atf_is_error(err))
120 goto err_list;
121
122 err = atf_list_append(words, atf_dynstr_fini_disown(&word), true);
123 if (atf_is_error(err))
124 goto err_list;
125 }
126
127 iter = ptr + strlen(delim);
128 }
129
130 INV(!atf_is_error(err));
131 return err;
132
133 err_list:
134 atf_list_fini(words);
135 err:
136 return err;
137 }
138
139 atf_error_t
atf_text_to_bool(const char * str,bool * b)140 atf_text_to_bool(const char *str, bool *b)
141 {
142 atf_error_t err;
143
144 if (strcasecmp(str, "yes") == 0 ||
145 strcasecmp(str, "true") == 0) {
146 *b = true;
147 err = atf_no_error();
148 } else if (strcasecmp(str, "no") == 0 ||
149 strcasecmp(str, "false") == 0) {
150 *b = false;
151 err = atf_no_error();
152 } else {
153 /* XXX Not really a libc error. */
154 err = atf_libc_error(EINVAL, "Cannot convert string '%s' "
155 "to boolean", str);
156 }
157
158 return err;
159 }
160
161 atf_error_t
atf_text_to_long(const char * str,long * l)162 atf_text_to_long(const char *str, long *l)
163 {
164 atf_error_t err;
165 char *endptr;
166 long tmp;
167
168 errno = 0;
169 tmp = strtol(str, &endptr, 10);
170 if (str[0] == '\0' || *endptr != '\0')
171 err = atf_libc_error(EINVAL, "'%s' is not a number", str);
172 else if (errno == ERANGE || (tmp == LONG_MAX || tmp == LONG_MIN))
173 err = atf_libc_error(ERANGE, "'%s' is out of range", str);
174 else {
175 *l = tmp;
176 err = atf_no_error();
177 }
178
179 return err;
180 }
181