File: test_vswprintf_s.c

package info (click to toggle)
safeclib 3.9.1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 6,832 kB
  • sloc: ansic: 52,639; makefile: 1,271; perl: 528; sh: 518
file content (284 lines) | stat: -rw-r--r-- 7,538 bytes parent folder | download
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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
/*------------------------------------------------------------------
 * test_vswprintf_s
 * File 'wchar/vswprintf_s.c'
 * Lines executed:79.59% of 49
 *
 *------------------------------------------------------------------
 */

#include "test_private.h"
#include "safe_str_lib.h"
#include <stdlib.h>
#include <stdarg.h>

#ifdef HAVE_VSWPRINTF_S
#define HAVE_NATIVE 1
#else
#define HAVE_NATIVE 0
#endif
#include "test_msvcrt.h"

#define LEN (128)

#undef ERRNO_MSVC
#define ERRNO_MSVC(rc, err)                                                    \
    if (!use_msvcrt) {                                                         \
        ERR(rc);                                                               \
        ERRNO(0);                                                              \
    } else {                                                                   \
        ERR(0);                                                                \
        ERRNO(err);                                                            \
    }

static wchar_t str1[LEN];
static wchar_t str2[LEN];
int vtwprintf_s(wchar_t *restrict dest, rsize_t dmax, const size_t destbos,
                const wchar_t *restrict fmt, ...);
int test_vswprintf_s(void);

int vtwprintf_s(wchar_t *restrict dest, rsize_t dmax, const size_t destbos,
                const wchar_t *restrict fmt, ...) {
    int rc;
    va_list ap;
    va_start(ap, fmt);
    if (use_msvcrt) {
        (void)destbos;
        rc = vswprintf_s(dest, dmax, fmt, ap);
    } else {
        rc = _vswprintf_s_chk(dest, dmax, destbos, fmt, ap);
    }
    va_end(ap);
    return rc;
}

int test_vswprintf_s(void) {
    errno_t rc;
    size_t len2;
    size_t len3;
#ifndef __APPLE__
    wchar_t *wstr3;
#endif
    int errs = 0;

    /*--------------------------------------------------*/

    print_msvcrt(use_msvcrt);

    rc = vtwprintf_s(NULL, LEN, 0, L"%ls", str2);
    init_msvcrt(rc == -ESNULLP, &use_msvcrt);
    ERRNO_MSVC(-ESNULLP, EINVAL);

    /* not testable */
    if (use_msvcrt) {
        rc = vtwprintf_s(str1, LEN, BOS(str1), L"%ls", NULL);
        ERR(0);
        ERRNO_MSVC(0, EINVAL);
    }

    rc = vtwprintf_s(str1, LEN, BOS(str1), NULL, NULL);
    ERRNO_MSVC(-ESNULLP, EINVAL);

    /*--------------------------------------------------*/

    rc = vtwprintf_s(str1, 0, BOS(str1), L"%ls", str2);
    ERRNO_MSVC(-ESZEROL, EINVAL);

    /*--------------------------------------------------*/

    rc = vtwprintf_s(str1, (RSIZE_MAX_STR + 1), BOS(str1), L"%ls", str2);
    ERRNO_MSVC(-ESLEMAX, 0);

    if (_BOS_KNOWN(str1)) {
      rc = vtwprintf_s(str1, (LEN + 1), BOS(str1), L"%ls", str2);
      ERRNO_MSVC(-EOVERFLOW, 0);
    }

    /*--------------------------------------------------*/

    str2[0] = '\0';
    rc = vtwprintf_s(str1, LEN, BOS(str1), L"%s %n", str2);
    ERR(-EINVAL)

    rc = vtwprintf_s(str1, LEN, BOS(str1), L"%s %%n", str2);
    ERR(3)

    rc = vtwprintf_s(str1, LEN, BOS(str1), L"%%n");
    ERR(2);

    /*--------------------------------------------------*/

    wcscpy(str1, L"aaaaaaaaaa");
    wcscpy(str2, L"keep it simple");

    len2 = wcslen(str2);

    rc = vtwprintf_s(str1, 50, BOS(str1), L"%ls", str2);
    ERR((errno_t)len2)
    len3 = wcslen(str1);
    if (len3 != len2) {
#ifdef DEBUG
        size_t len1 = wcslen(str1);
        debug_printf("%s %u lengths wrong: %d  %d  %d \n", __FUNCTION__,
                     __LINE__, (int)len1, (int)len2, (int)len3);
#endif
        errs++;
    }

    /*--------------------------------------------------*/

    str1[0] = '\0';
    wcscpy(str2, L"keep it simple");

    rc = vtwprintf_s(str1, 1, BOS(str1), L"%ls", str2);
    ERRNO_MSVC(-ESNOSPC, ERANGE);
    WEXPNULL(str1)

    /*--------------------------------------------------*/

    str1[0] = '\0';
    wcscpy(str2, L"keep it simple");

    rc = vtwprintf_s(str1, 2, BOS(str1), L"%ls", str2);
    ERRNO_MSVC(-ESNOSPC, ERANGE);
    WEXPNULL(str1)

    /*--------------------------------------------------*/

    str1[0] = '\0';
    wcscpy(str2, L"keep it simple");

    rc = vtwprintf_s(str1, 20, BOS(str1), L"%ls", str2);
    NOERR()
    WEXPSTR(str1, str2)

    /*--------------------------------------------------*/

    str1[0] = '\0';
    str2[0] = '\0';

    rc = vtwprintf_s(str1, LEN, BOS(str1), L"%ls", str2);
    ERR(0)
    WEXPNULL(str1)

    /*--------------------------------------------------*/

    str1[0] = '\0';
    wcscpy(str2, L"keep it simple");

    rc = vtwprintf_s(str1, LEN, BOS(str1), L"%ls", str2);
    NOERR()
    WEXPSTR(str1, str2)

    /*--------------------------------------------------*/

    wcscpy(str1, L"qqweqq");
    wcscpy(str2, L"keep it simple");

    rc = vtwprintf_s(str1, LEN, BOS(str1), L"%ls", str2);
    NOERR()
    WEXPSTR(str1, str2)

    /*--------------------------------------------------*/

    wcscpy(str1, L"1234");
    wcscpy(str2, L"keep it simple");

    rc = vtwprintf_s(str1, 12, BOS(str1), L"%ls", str2);
    ERRNO_MSVC(-ESNOSPC, ERANGE);
    WEXPNULL(str1)

    wcscpy(str1, L"1234");

    rc = vtwprintf_s(str1, 5, BOS(str1), L"%ls", str2);
    ERRNO_MSVC(-ESNOSPC, ERANGE);
    WEXPNULL(str1)

    /*--------------------------------------------------*/

    wcscpy(str1, L"1234");
    wcscpy(str2, L"keep it simple");

    rc = vtwprintf_s(str1, 52, BOS(str1), L"%ls", str2);
    NOERR()
    WEXPSTR(str1, str2)

    /*--------------------------------------------------*/

    wcscpy(str1, L"12345678901234567890");

    rc = vtwprintf_s(str1, 8, BOS(str1), L"%ls", &str1[7]);
    /* overlapping implementation defined */
#if defined(__GLIBC__) || defined(_WIN32)
    // both are valid
    if (str1[0] == L'\0') {
      WEXPNULL(str1);
      ERR(-ESNOSPC);
    } else if (wcscmp(str1, L"8901234") == 0) {
      NOERR();
    } else {
      WEXPNULL(str1);
    }
#else
    NOERR();
    /* WEXPSTR(str1, L"8901234"); or WEXPNULL(str1) */
#endif

    /*--------------------------------------------------*/

    wcscpy(str1, L"123456789");

    rc = vtwprintf_s(str1, 9, BOS(str1), L"%ls", &str1[8]);
    ERR(1) /* overlapping allowed */
    WEXPSTR(str1, L"9")

    /*--------------------------------------------------*/

    wcscpy(str2, L"123");
    wcscpy(str1, L"keep it simple");

    rc = vtwprintf_s(str2, 31, BOS(str1), L"%ls", &str1[0]);
    NOERR()
    WEXPSTR(str2, L"keep it simple");

    /*--------------------------------------------------*/

    wcscpy(str2, L"1234");
    wcscpy(str1, L"56789");

    rc = vtwprintf_s(str2, 10, BOS(str1), L"%ls", str1);
    NOERR();
    WEXPSTR(str2, L"56789");

    /*--------------------------------------------------*/

#ifndef __APPLE__
    rc = vtwprintf_s(str1, 10, BOS(str1), L"%vls", str2);
#if defined(__GLIBC__) || defined(BSD_OR_NEWLIB_LIKE) || defined(__MINGW32__)
    /* they print unknown formats verbatim */
    NOERR();
#else /* musl and darwin disallow this */
    ERR(-1);
    /* darwin throws Illegal byte sequence */
    WEXPNULL(str1);
#endif

    /* not the fast stack-branch */
    wstr3 = (wchar_t *)malloc(513 * sizeof(wchar_t));
    rc = vtwprintf_s(wstr3, 513, BOS(wstr3), L"%vls", str1);
#if defined(__GLIBC__) || defined(BSD_OR_NEWLIB_LIKE) || defined(__MINGW32__)
    /* they print unknown formats verbatim */
    NOERR();
#else /* musl and darwin disallow this */
    ERR(-1);
    WEXPNULL(str1)
    /* musl crashes on free() */
#endif
    free(wstr3);
#endif

    /*--------------------------------------------------*/

    return (errs);
}

int main(void) { return (test_vswprintf_s()); }