Commit 107eb833 authored by Thomas Weißschuh's avatar Thomas Weißschuh Committed by Thomas Weißschuh
Browse files

tools/nolibc: add support for fchdir() 



Add support for the file descriptor based variant of chdir().

Signed-off-by: default avatarThomas Weißschuh <thomas.weissschuh@linutronix.de>
Acked-by: default avatarWilly Tarreau <w@1wt.eu>
Signed-off-by: default avatarThomas Weißschuh <linux@weissschuh.net>
parent 7534b9bf

tools/include/nolibc/sys.h

+13 −0
Original line number Diff line number Diff line
@@ -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);

tools/testing/selftests/nolibc/nolibc-test.c

+2 −0
Original line number Diff line number Diff line
@@ -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;