Files
KirkOS/user/include/mlibc/tests/linux/utmp.c
T
kaguya 9a9b91c940 user: implement mlibc as the libc, finally.
It's finally done..

Signed-off-by: kaguya <vpshinomiya@protonmail.com>
2026-05-02 03:31:49 -04:00

133 lines
3.2 KiB
C

#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <utmp.h>
int main() {
char path[] = "/tmp/mlibc-utmp-test-XXXXXX";
int fd = mkstemp(path);
assert(fd != -1);
close(fd);
int ret = utmpname(path);
assert(!ret);
// Test writing to the utmp file.
struct utmp entry1;
memset(&entry1, 0, sizeof(struct utmp));
entry1.ut_type = USER_PROCESS;
entry1.ut_pid = 1234;
strcpy(entry1.ut_line, "pts/1");
strcpy(entry1.ut_id, "id1");
strcpy(entry1.ut_user, "user1");
strcpy(entry1.ut_host, "host1");
entry1.ut_tv.tv_sec = 1;
entry1.ut_tv.tv_usec = 1;
setutent();
struct utmp *res = pututline(&entry1);
assert(res);
endutent();
// Test reading from the utmp file.
setutent();
struct utmp *read_entry = getutent();
assert(read_entry);
assert(read_entry->ut_type == USER_PROCESS);
assert(read_entry->ut_pid == 1234);
assert(strcmp(read_entry->ut_line, "pts/1") == 0);
assert(strcmp(read_entry->ut_id, "id1") == 0);
assert(strcmp(read_entry->ut_user, "user1") == 0);
assert(strcmp(read_entry->ut_host, "host1") == 0);
assert(read_entry->ut_tv.tv_sec == 1);
assert(read_entry->ut_tv.tv_usec == 1);
read_entry = getutent();
assert(!read_entry);
assert(errno == ESRCH);
endutent();
// Test getutid
struct utmp id_entry;
memset(&id_entry, 0, sizeof(struct utmp));
id_entry.ut_type = USER_PROCESS;
strcpy(id_entry.ut_id, "id1");
setutent();
struct utmp *id_read_entry = getutid(&id_entry);
assert(id_read_entry);
assert(id_read_entry->ut_pid == 1234);
read_entry = getutent();
assert(!read_entry);
assert(errno == ESRCH);
endutent();
// Test getutline
struct utmp line_entry;
memset(&line_entry, 0, sizeof(struct utmp));
line_entry.ut_type = USER_PROCESS;
strcpy(line_entry.ut_line, "pts/1");
setutent();
struct utmp *line_read_entry = getutline(&line_entry);
assert(line_read_entry);
assert(line_read_entry->ut_pid == 1234);
endutent();
// Test getutent_r
struct utmp buf;
struct utmp *res_r;
setutent();
int ret_r = getutent_r(&buf, &res_r);
assert(!ret_r);
assert(res_r == &buf);
assert(buf.ut_pid == 1234);
endutent();
// Test updwtmp.
char wtmp_path[] = "/tmp/mlibc-wtmp-test-XXXXXX";
int wtmp_fd = mkstemp(wtmp_path);
assert(wtmp_fd != -1);
close(wtmp_fd);
struct utmp entry2;
memset(&entry2, 0, sizeof(struct utmp));
entry2.ut_type = USER_PROCESS;
entry2.ut_pid = 5678;
strcpy(entry2.ut_line, "pts/2");
strcpy(entry2.ut_id, "id2");
strcpy(entry2.ut_user, "user2");
strcpy(entry2.ut_host, "host2");
entry2.ut_tv.tv_sec = 2;
entry2.ut_tv.tv_usec = 2;
updwtmp(wtmp_path, &entry2);
// Verify the wtmp file.
FILE *f = fopen(wtmp_path, "r");
assert(f);
struct utmp wtmp_entry;
ret = fread(&wtmp_entry, sizeof(struct utmp), 1, f);
assert(ret == 1);
fclose(f);
assert(wtmp_entry.ut_type == USER_PROCESS);
assert(wtmp_entry.ut_pid == 5678);
assert(strcmp(wtmp_entry.ut_line, "pts/2") == 0);
assert(strcmp(wtmp_entry.ut_id, "id2") == 0);
assert(strcmp(wtmp_entry.ut_user, "user2") == 0);
assert(strcmp(wtmp_entry.ut_host, "host2") == 0);
assert(wtmp_entry.ut_tv.tv_sec == 2);
assert(wtmp_entry.ut_tv.tv_usec == 2);
unlink(wtmp_path);
unlink(path);
return EXIT_SUCCESS;
}