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access.c
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83 lines (75 loc) · 2.56 KB
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/*
* Copyright 2011 The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <emscripten.h>
#include <fcntl.h>
#include <sys/stat.h>
int main() {
#ifdef __EMSCRIPTEN_ASMFS__
mkdir("working", 0777);
chdir("working");
close(open("forbidden", O_WRONLY|O_CREAT|O_TRUNC|O_EXCL, 0000));
close(open("readable", O_WRONLY|O_CREAT|O_TRUNC|O_EXCL, 0444));
close(open("writeable", O_WRONLY|O_CREAT|O_TRUNC|O_EXCL, 0222));
close(open("allaccess", O_WRONLY|O_CREAT|O_TRUNC|O_EXCL, 0777));
#else
EM_ASM(
FS.mkdir('working');
#if NODEFS
FS.mount(NODEFS, { root: '.' }, 'working');
#endif
FS.chdir('working');
FS.writeFile('forbidden', ''); FS.chmod('forbidden', 0000);
FS.writeFile('readable', ''); FS.chmod('readable', 0444);
FS.writeFile('writeable', ''); FS.chmod('writeable', 0222);
FS.writeFile('allaccess', ''); FS.chmod('allaccess', 0777);
);
#endif
// Empty path checks #9136 fix
char* files[] = {"readable", "writeable",
"allaccess", "forbidden", "nonexistent", ""};
for (int i = 0; i < sizeof files / sizeof files[0]; i++) {
printf("F_OK(%s): %d\n", files[i], access(files[i], F_OK));
printf("errno: %d\n", errno);
errno = 0;
printf("R_OK(%s): %d\n", files[i], access(files[i], R_OK));
printf("errno: %d\n", errno);
errno = 0;
printf("X_OK(%s): %d\n", files[i], access(files[i], X_OK));
printf("errno: %d\n", errno);
errno = 0;
printf("W_OK(%s): %d\n", files[i], access(files[i], W_OK));
printf("errno: %d\n", errno);
errno = 0;
printf("\n");
}
EM_ASM({FS.writeFile('filetorename', 'renametest');});
rename("filetorename", "renamedfile");
errno = 0;
printf("F_OK(%s): %d\n", "filetorename", access("filetorename", F_OK));
printf("errno: %d\n", errno);
errno = 0;
printf("F_OK(%s): %d\n", "renamedfile", access("renamedfile", F_OK));
printf("errno: %d\n", errno);
#ifndef __EMSCRIPTEN_ASMFS__
// Restore full permissions on all created files so that python test runner rmtree
// won't have problems on deleting the files. On Windows, calling shutil.rmtree()
// will fail if any of the files are read-only.
EM_ASM(
FS.chmod('forbidden', 0777);
FS.chmod('readable', 0777);
FS.chmod('writeable', 0777);
FS.chmod('allaccess', 0777);
);
#endif
#ifdef REPORT_RESULT
REPORT_RESULT(0);
#endif
return 0;
}