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
|
// -- Core testing commands
// REQUIRES: uclibc
// REQUIRES: posix-runtime
// RUN: rm -rf %t.out
// RUN: rm -f %t.bc
// RUN: mkdir -p %t.out
// RUN: echo -n aaaa > %t.out/aaaa.txt
// RUN: echo -n bbbb > %t.out/bbbb.txt
// RUN: echo -n ccc > %t.out/cccc.txt
// RUN: %clang %s -emit-llvm %O0opt -c -o %t.bc
// RUN: %klee-zesti -only-replay-seeds -libc=uclibc -posix-runtime %t.bc -o -p -q %t.out/bbbb.txt %t.out/cccc.txt < %t.out/aaaa.txt &> %t.out/out.txt
// RUN: FileCheck --input-file=%t.out/out.txt %s
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
int check_fd(int fd, const int file_size, const char *file_contents) {
struct stat fs;
char contents[10] = {0};
if (fstat(fd, &fs) < 0)
return -1;
if (fs.st_size != file_size)
return -1;
read(fd, contents, 10);
if (strcmp(contents, file_contents) != 0)
return -1;
return 0;
}
int check_file(const char *file_name, const int file_size, const char *file_contents) {
int fd;
if ((fd = open(file_name, O_RDONLY)) < 0)
return -1;
if (check_fd(fd, file_size, file_contents) < 0)
return -1;
close(fd);
return 0;
}
int main(int argc, char **argv) {
if (argc == 6) {
// CHECK-DAG: Got 5 args
printf("Got 5 args\n");
}
if (strcmp(argv[1], "-o") == 0) {
// CHECK-DAG: Got -o flag
printf("Got -o flag\n");
}
if (strcmp(argv[2], "-p") == 0) {
// CHECK-DAG: Got -p flag
printf("Got -p flag\n");
}
if (strcmp(argv[3], "-q") == 0) {
// CHECK-DAG: Got -q flag
printf("Got -q flag\n");
}
if (strcmp(argv[4], "A") == 0) {
// CHECK-DAG: Got A file
printf("Got A file\n");
}
if (check_file(argv[4], 4, "bbbb") == 0) {
// CHECK-DAG: Got A file size
printf("Got A file size\n");
}
if (strcmp(argv[5], "B") == 0) {
// CHECK-DAG: Got B file
printf("Got B file\n");
}
// File sizes get increased to the highest among files, so even B has file size 4.
// This is due to the limitaiton of posix-runtime API
if (check_file(argv[5], 4, "ccc") == 0) {
// CHECK-DAG: Got B file size
printf("Got B file size\n");
}
if (check_fd(0, 4, "aaaa") == 0) {
// CHECK-DAG: Got stdin file size
printf("Got stdin file size\n");
}
// CHECK-DAG: KLEE: done: completed paths = 1
// CHECK-DAG: KLEE: done: generated tests = 1
return 0;
}
|
