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
|
/*------------------------------------------------------------------
* test_scanf_s
* File 'io/scanf_s.c'
* Lines executed:100.00% of 19
*
*------------------------------------------------------------------
*/
#include "test_private.h"
#include "safe_str_lib.h"
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#ifdef HAVE_SCANF_S
#define HAVE_NATIVE 1
#else
#define HAVE_NATIVE 0
#endif
#include "test_msvcrt.h"
#define LEN (128)
static char str1[LEN];
static char str2[LEN];
#define TMP "tmpscanf"
static FILE *stream = NULL;
void stuff_stdin(const char *dest);
int test_scanf_s(void);
void stuff_stdin(const char *dest) {
stream = fopen(TMP, "w+");
fprintf(stream, "%s\n", dest);
fclose(stream);
stream = freopen(TMP, "r", stdin);
}
int test_scanf_s(void) {
errno_t rc;
int32_t ind;
size_t len1;
size_t len2;
size_t len3;
int errs = 0;
/*--------------------------------------------------*/
print_msvcrt(use_msvcrt);
#ifndef HAVE_CT_BOS_OVR
EXPECT_BOS("empty fmt")
rc = scanf_s(NULL, NULL);
init_msvcrt(errno == ESNULLP, &use_msvcrt);
ERREOF_MSVC(ESNULLP, EINVAL);
#endif
/* TODO: should error, but just hangs in both */
#if 0
rc = scanf_s("%s", NULL);
ERREOF_MSVC(ESNULLP,EINVAL);
#endif
/*--------------------------------------------------*/
stuff_stdin(" 24");
rc = scanf_s("%s %%n", str2, LEN);
#ifdef BSD_LIKE
if (rc != 0) { /* BSD's return -1 on %%n */
printf("%s %u wrong fscanf(\"\",L\"%%n\"): %d\n", __FUNCTION__,
__LINE__, (int)rc);
} else
#endif
if (rc != 1) {
printf("flapping tests - abort\n");
return errs;
}
ERR(1);
ERRNO(0);
stuff_stdin(" 24");
rc = scanf_s("%s %%n", str2, 6);
if (rc != 1) {
printf("flapping tests - abort\n");
return errs;
}
ERR(1);
ERRNO(0);
EXPSTR(str2, "24");
/*stuff_stdin(" 24");
rc = scanf_s("%s %%n", str3, 6);
ERR(1);
ERRNO(0);
EXPSTR(str3, "24");*/
stuff_stdin(" 24");
rc = scanf_s(" %d", &len1);
if (rc != 1) {
printf("flapping tests - abort\n");
return errs;
}
ERR(1);
ERRNO(0);
if ((int)len1 != 24) {
debug_printf("%s %u wrong arg: %d\n", __FUNCTION__, __LINE__,
(int)len1);
errs++;
}
/*--------------------------------------------------*/
strcpy(str1, "aaaaaaaaaa");
len1 = strlen(str1);
stuff_stdin(str1);
rc = scanf_s("%s", str2, LEN);
if (rc != 1) {
printf("flapping tests - abort\n");
return errs;
}
ERR(1)
len2 = strlen(str2);
len3 = strlen(str1);
if (len3 != len2) {
#ifdef DEBUG
len1 = strlen(str1);
#endif
debug_printf("%s %u lengths wrong: %d %d %d \n", __FUNCTION__,
__LINE__, (int)len1, (int)len2, (int)len3);
errs++;
}
/*--------------------------------------------------*/
strcpy(str1, "keep it simple");
stuff_stdin(str1);
rc = scanf_s("%s", str2, LEN);
if (rc != 1) {
printf("flapping tests - abort\n");
return errs;
}
ERR(1);
/* flapping test! */
/*EXPSTR(str2, "keep");*/
/*--------------------------------------------------*/
strcpy(str1, "qqweqq");
strcpy(str2, "keep it simple");
stuff_stdin(str1);
rc = scanf_s("%s", str2);
NOERR()
EXPSTR(str2, str1);
/*--------------------------------------------------*/
/* overlapping works fine on darwin, different on linux glibc */
/*
strcpy(str1, "12345678901234567890");
rc = scanf_s("%s", &str1[7]);
ERR(1);
EXPSTR(str1, "123456712345678901234567890");
strcpy(str1, "123456789");
rc = scanf_s("%s", &str1[8]);
ERR(1);
EXPSTR(str1, "12345678123456789");
*/
/*--------------------------------------------------*/
stuff_stdin(" 24");
rc = scanf_s("%s %n", str2, LEN, &ind);
ERREOF(EINVAL);
/*--------------------------------------------------*/
str1[0] = '\0';
str2[0] = '\0';
stuff_stdin(str1);
rc = scanf_s("%s", str2, LEN);
if (rc == -1) { /* flapping test */
ERR(-1);
EXPNULL(str2);
} else if (!use_msvcrt) {
ERR(1);
} /* else wine returns 0 */
/*--------------------------------------------------*/
str1[0] = '\0';
stuff_stdin(str1);
rc = scanf_s("%s", str2, LEN);
if (rc != -1) {
printf("flapping tests - abort\n");
return errs;
}
ERR(-1)
/*--------------------------------------------------*/
#ifdef __linux
debug_printf("%s %u skip test reading from closed stream\n", __FUNCTION__,
__LINE__);
#else
fclose(stream); /* crashes with linux glibc or musl: double free */
strcpy(str1, "qqweqq");
stuff_stdin(str1);
/* would block reading */
rc = scanf_s("%s", str2, LEN);
#endif
/*--------------------------------------------------*/
unlink(TMP);
return (errs);
}
#ifndef __KERNEL__
/* simple hack to get this to work for both userspace and Linux kernel,
until a better solution can be created. */
int main(void) { return (test_scanf_s()); }
#endif
|
