/**
* literal_comple: compile literal for search.
*
* @param[in] pattern literal string
*
* Literal string is treated as is.
*/
void
literal_comple(const char *pattern)
{
/*
* convert spaces into %FF format.
*/
encode(encoded_pattern, sizeof(encoded_pattern), pattern);
/*
* construct a goto table.
*/
cgotofn(pattern);
/*
* construct fail links.
*/
cfail();
}
int
main(int __unused argc, char __unused *argv[])
{
struct shared_info *info;
pid_t pid;
int fd, i;
printf("1..15\n");
/* We better start up with fd's 0, 1, and 2 open. */
fd = devnull();
if (fd != 3)
fail("open", "bad descriptor %d", fd);
ok("open");
/* Make sure highest_fd() works. */
fd = highest_fd();
if (fd != 3)
fail("highest_fd", "bad descriptor %d", fd);
ok("highest_fd");
/* Try to use closefrom() for just closing fd 3. */
closefrom(3);
fd = highest_fd();
if (fd != 2)
fail("closefrom", "highest fd %d", fd);
ok("closefrom");
/* Eat up 16 descriptors. */
for (i = 0; i < 16; i++)
(void)devnull();
fd = highest_fd();
if (fd != 18)
fail("open 16", "highest fd %d", fd);
ok("open 16");
/* Close half of them. */
closefrom(11);
fd = highest_fd();
if (fd != 10)
fail("closefrom", "highest fd %d", fd);
ok("closefrom");
/* Explicitly close descriptors 6 and 8 to create holes. */
if (close(6) < 0 || close(8) < 0)
fail_err("close2 ");
ok("close 2");
/* Verify that close on 6 and 8 fails with EBADF. */
if (close(6) == 0)
fail("close(6)", "did not fail");
if (errno != EBADF)
fail_err("close(6)");
ok("close(6)");
if (close(8) == 0)
fail("close(8)", "did not fail");
if (errno != EBADF)
fail_err("close(8)");
ok("close(8)");
/* Close from 4 on. */
closefrom(4);
fd = highest_fd();
if (fd != 3)
fail("closefrom", "highest fd %d", fd);
ok("closefrom");
/* Allocate a small SHM region for IPC with our child. */
info = mmap(NULL, getpagesize(), PROT_READ | PROT_WRITE, MAP_ANON |
MAP_SHARED, -1, 0);
if (info == MAP_FAILED)
fail_err("mmap");
ok("mmap");
/* Fork a child process to test closefrom(0). */
pid = fork();
if (pid < 0)
fail_err("fork");
if (pid == 0) {
/* Child. */
closefrom(0);
fd = highest_fd();
if (fd >= 0)
cfail(info, "closefrom(0)", "highest fd %d", fd);
c*k(info, "closefrom(0)");
}
if (wait(NULL) < 0)
fail_err("wait");
if (info->failed)
fail(info->tag, "%s", info->message);
ok(info->tag);
/* Fork a child process to test closefrom(-1). */
pid = fork();
if (pid < 0)
fail_err("fork");
if (pid == 0) {
/* Child. */
closefrom(-1);
fd = highest_fd();
if (fd >= 0)
cfail(info, "closefrom(-1)", "highest fd %d", fd);
c*k(info, "closefrom(-1)");
}
if (wait(NULL) < 0)
fail_err("wait");
if (info->failed)
fail(info->tag, "%s", info->message);
ok(info->tag);
/* Dup stdout to 6. */
if (dup2(1, 6) < 0)
fail_err("dup2");
fd = highest_fd();
if (fd != 6)
fail("dup2", "highest fd %d", fd);
ok("dup2");
/* Do a closefrom() starting in a hole. */
closefrom(4);
fd = highest_fd();
if (fd != 3)
fail("closefrom", "highest fd %d", fd);
ok("closefrom");
/* Do a closefrom() beyond our highest open fd. */
closefrom(32);
fd = highest_fd();
if (fd != 3)
fail("closefrom", "highest fd %d", fd);
ok("closefrom");
return (0);
}
