1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/* Test of xvasprintf() and xasprintf() functions.
Copyright (C) 2007-2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
/* Tell GCC not to warn about the specific edge cases tested here. */
#if (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) || 4 < __GNUC__
# pragma GCC diagnostic ignored "-Wformat-zero-length"
# pragma GCC diagnostic ignored "-Wformat-nonliteral"
# pragma GCC diagnostic ignored "-Wformat-security"
#endif
#include <config.h>
#include "xvasprintf.h"
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "macros.h"
static char *
my_xasprintf (const char *format, ...)
{
va_list args;
char *ret;
va_start (args, format);
ret = xvasprintf (format, args);
va_end (args);
return ret;
}
static void
test_xvasprintf (void)
{
int repeat;
char *result;
for (repeat = 0; repeat <= 8; repeat++)
{
result = my_xasprintf ("%d", 12345);
ASSERT (result != NULL);
ASSERT (strcmp (result, "12345") == 0);
free (result);
}
{
/* Silence gcc warning about zero-length format string. */
const char *empty = "";
result = my_xasprintf (empty);
ASSERT (result != NULL);
ASSERT (strcmp (result, "") == 0);
free (result);
}
result = my_xasprintf ("%s", "foo");
ASSERT (result != NULL);
ASSERT (strcmp (result, "foo") == 0);
free (result);
result = my_xasprintf ("%s%s", "foo", "bar");
ASSERT (result != NULL);
ASSERT (strcmp (result, "foobar") == 0);
free (result);
result = my_xasprintf ("%s%sbaz", "foo", "bar");
ASSERT (result != NULL);
ASSERT (strcmp (result, "foobarbaz") == 0);
free (result);
}
static void
test_xasprintf (void)
{
int repeat;
char *result;
for (repeat = 0; repeat <= 8; repeat++)
{
result = xasprintf ("%d", 12345);
ASSERT (result != NULL);
ASSERT (strcmp (result, "12345") == 0);
free (result);
}
{
/* Silence gcc warning about zero-length format string,
and about "format not a string literal and no format"
(whatever that means) . */
const char *empty = "";
result = xasprintf (empty, empty);
ASSERT (result != NULL);
ASSERT (strcmp (result, "") == 0);
free (result);
}
result = xasprintf ("%s", "foo");
ASSERT (result != NULL);
ASSERT (strcmp (result, "foo") == 0);
free (result);
result = xasprintf ("%s%s", "foo", "bar");
ASSERT (result != NULL);
ASSERT (strcmp (result, "foobar") == 0);
free (result);
result = my_xasprintf ("%s%sbaz", "foo", "bar");
ASSERT (result != NULL);
ASSERT (strcmp (result, "foobarbaz") == 0);
free (result);
}
int
main (int argc _GL_UNUSED, char *argv[])
{
test_xvasprintf ();
test_xasprintf ();
return 0;
}
|
