def main(argc, argv): if argc < 2: printf(2, "Usage: rm files...\n") exit_() for i in range(1, argc): if unlink(argv[i]) < 0: printf(2, "rm: %s failed to delete\n", argv[i]) break exit_()
def createtest(): printf(stdout, "many creates, followed by unlink test\n") name = [None, None, None] name[0] = "a" name[2] = "\0" for i in range(52): name[1] = chr(ord("0") + i) fd = open_("".join(name), O_CREATE | O_RDWR) close(fd) name[0] = "a" name[2] = "\0" for i in range(52): name[1] = chr(ord("0") + i) unlink("".join(name)) printf(stdout, "many creates, followed by unlink; ok\n")
def writetest1(): buf = "\0" * 2048 printf(stdout, "big files test\n") fd = open_("big", O_CREATE | O_RDWR) if fd < 0: printf(stdout, "error: creat big failed!\n") exit_() for i in range(MAXFILE): buf = chr(i % 256) + buf[1:] if write(fd, buf, 512) != 512: printf(stdout, "error: write big file failed\n", i) exit_() close(fd) fd = open_("big", O_RDONLY) if fd < 0: printf(stdout, "error: open big failed!\n") exit_() n = 0 while True: i, buf = read(fd, 512) if i == 0: if n == MAXFILE - 1: printf(stdout, "read only %d blocks from big", n) exit_() break elif i != 512: printf(stdout, "read failed %d\n", i) exit_() if buf[0] != chr(n % 256): printf(stdout, "read content of block %d is %d\n", n, buf[0]) exit_() n += 1 close(fd) if unlink("big") < 0: printf(stdout, "unlink big failed\n") exit_() printf(stdout, "big files ok\n")
def writetest(): printf(stdout, "small file test\n") fd = open_("small", O_CREATE | O_RDWR) if fd >= 0: printf(stdout, "creat small succeeded; ok\n") else: printf(stdout, "error: creat small failed!\n") exit_() for i in range(100): if write(fd, "aaaaaaaaaa", 10) != 10: printf(stdout, "error: write aa %d new file failed\n", i) exit_() if write(fd, "bbbbbbbbbb", 10) != 10: printf(stdout, "error: write bb %d new file failed\n", i) exit_() printf(stdout, "writes ok\n") close(fd) fd = open_("small", O_RDONLY) if fd >= 0: printf(stdout, "open small succeeded ok\n") else: printf(stdout, "error: open small failed!\n") exit_() i, buf = read(fd, 2000) if i == 2000: printf(stdout, "read succeeded ok\n") else: printf(stdout, "read failed\n") exit_() close(fd) if unlink("small") < 0: printf(stdout, "unlink small failed\n") exit_() printf(stdout, "small file test ok\n")