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
|
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <emscripten.h>
int main() {
EM_ASM(
FS.mkdir('working');
#if NODEFS
FS.mount(NODEFS, { root: '.' }, 'working');
#endif
FS.chdir('working');
FS.symlink('../test/../there!', 'link');
FS.writeFile('file', 'test');
FS.mkdir('folder');
);
char* files[] = {"link", "file", "folder"};
char buffer[256] = {0};
for (int i = 0; i < sizeof files / sizeof files[0]; i++) {
printf("readlink(%s)\n", files[i]);
printf("ret: %d\n", readlink(files[i], buffer, 256));
printf("errno: %d\n", errno);
printf("result: %s\n\n", buffer);
errno = 0;
}
printf("symlink/overwrite\n");
printf("ret: %d\n", symlink("new-nonexistent-path", "link"));
printf("errno: %d\n\n", errno);
errno = 0;
printf("symlink/normal\n");
printf("ret: %d\n", symlink("new-nonexistent-path", "folder/link"));
printf("errno: %d\n", errno);
errno = 0;
printf("readlink(created link)\n");
printf("ret: %d\n", readlink("folder/link", buffer, 256));
printf("errno: %d\n", errno);
printf("result: %s\n\n", buffer);
errno = 0;
printf("readlink(short buffer)\n");
printf("ret: %d\n", readlink("link", buffer, 4));
printf("errno: %d\n", errno);
printf("result: %s\n", buffer);
errno = 0;
return 0;
}
|
