diff options
| author | Thomas Weißschuh <thomas.weissschuh@linutronix.de> | 2025-11-07 15:13:38 +0100 |
|---|---|---|
| committer | Thomas Weißschuh <linux@weissschuh.net> | 2025-11-08 14:54:25 +0100 |
| commit | 107eb8336e8782ae8e98b60962852a1e29aca715 (patch) | |
| tree | fc9399b60e648f9732dc15356940b66e3682cb04 | |
| parent | 7534b9bfe691836eb7ab66332505629a4bfa4eed (diff) | |
tools/nolibc: add support for fchdir()
Add support for the file descriptor based variant of chdir().
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
| -rw-r--r-- | tools/include/nolibc/sys.h | 13 | ||||
| -rw-r--r-- | tools/testing/selftests/nolibc/nolibc-test.c | 2 |
2 files changed, 15 insertions, 0 deletions
diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h index d0ba30ba029c..28481feedb37 100644 --- a/tools/include/nolibc/sys.h +++ b/tools/include/nolibc/sys.h @@ -118,6 +118,7 @@ void *sbrk(intptr_t inc) /* * int chdir(const char *path); + * int fchdir(int fildes); */ static __attribute__((unused)) @@ -132,6 +133,18 @@ int chdir(const char *path) return __sysret(sys_chdir(path)); } +static __attribute__((unused)) +int sys_fchdir(int fildes) +{ + return my_syscall1(__NR_fchdir, fildes); +} + +static __attribute__((unused)) +int fchdir(int fildes) +{ + return __sysret(sys_fchdir(fildes)); +} + /* * int chmod(const char *path, mode_t mode); diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index 4b3c501ae434..3c5a226dad3a 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -1348,6 +1348,8 @@ int run_syscall(int min, int max) CASE_TEST(dup3_0); tmp = dup3(0, 100, 0); EXPECT_SYSNE(1, tmp, -1); close(tmp); break; CASE_TEST(dup3_m1); tmp = dup3(-1, 100, 0); EXPECT_SYSER(1, tmp, -1, EBADF); if (tmp != -1) close(tmp); break; CASE_TEST(execve_root); EXPECT_SYSER(1, execve("/", (char*[]){ [0] = "/", [1] = NULL }, NULL), -1, EACCES); break; + CASE_TEST(fchdir_stdin); EXPECT_SYSER(1, fchdir(STDIN_FILENO), -1, ENOTDIR); break; + CASE_TEST(fchdir_badfd); EXPECT_SYSER(1, fchdir(-1), -1, EBADF); break; CASE_TEST(file_stream); EXPECT_SYSZR(1, test_file_stream()); break; CASE_TEST(fork); EXPECT_SYSZR(1, test_fork(FORK_STANDARD)); break; CASE_TEST(getdents64_root); EXPECT_SYSNE(1, test_getdents64("/"), -1); break; |