patch: io, io/fs, os

c/os/os.go

@@ -0,0 +1,225 @@
+/*
+ * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package os
+
+// #include <sys/stat.h>
+// #include <limits.h>
+import "C"
+
+import (
+	_ "unsafe"
+
+	"github.com/goplus/llgo/c"
+)
+
+const (
+	LLGoPackage = "decl"
+)
+
+const (
+	PATH_MAX = C.PATH_MAX
+)
+
+type (
+	ModeT C.mode_t
+	UidT  C.uid_t
+	GidT  C.gid_t
+	OffT  C.off_t
+	DevT  C.dev_t
+	StatT C.struct_stat
+)
+
+//go:linkname Errno errno
+var Errno c.Int
+
+//go:linkname Umask C.umask
+func Umask(cmask ModeT) ModeT
+
+//go:linkname Mkdir C.mkdir
+func Mkdir(path *c.Char, mode ModeT) c.Int
+
+//go:linkname Rmdir C.rmdir
+func Rmdir(path *c.Char) c.Int
+
+//go:linkname Link C.link
+func Link(oldpath *c.Char, newpath *c.Char) c.Int
+
+//go:linkname Symlink C.symlink
+func Symlink(target *c.Char, linkpath *c.Char) c.Int
+
+//go:linkname Readlink C.readlink
+func Readlink(path *c.Char, buf c.Pointer, bufsize uintptr) int
+
+//go:linkname Unlink C.unlink
+func Unlink(path *c.Char) c.Int
+
+//go:linkname Remove C.remove
+func Remove(path *c.Char) c.Int
+
+//go:linkname Rename C.rename
+func Rename(oldpath *c.Char, newpath *c.Char) c.Int
+
+//go:linkname Stat C.stat
+func Stat(path *c.Char, buf *StatT) c.Int
+
+//go:linkname Lstat C.lstat
+func Lstat(path *c.Char, buf *StatT) c.Int
+
+//go:linkname Truncate C.truncate
+func Truncate(path *c.Char, length OffT) c.Int
+
+//go:linkname Chmod C.chmod
+func Chmod(path *c.Char, mode ModeT) c.Int
+
+//go:linkname Chown C.chown
+func Chown(path *c.Char, owner UidT, group GidT) c.Int
+
+//go:linkname Lchown C.lchown
+func Lchown(path *c.Char, owner UidT, group GidT) c.Int
+
+// -----------------------------------------------------------------------------
+
+//go:linkname Getcwd C.getcwd
+func Getcwd(buffer c.Pointer, size uintptr) *c.Char
+
+//go:linkname Chdir C.chdir
+func Chdir(path *c.Char) c.Int
+
+//go:linkname Chroot C.chroot
+func Chroot(path *c.Char) c.Int
+
+// -----------------------------------------------------------------------------
+
+//go:linkname Environ C.environ
+func Environ() **c.Char
+
+//go:linkname Getenv C.getenv
+func Getenv(name *c.Char) *c.Char
+
+//go:linkname Setenv C.setenv
+func Setenv(name *c.Char, value *c.Char, overwrite c.Int) c.Int
+
+//go:linkname Putenv C.putenv
+func Putenv(env *c.Char) c.Int
+
+//go:linkname Unsetenv C.unsetenv
+func Unsetenv(name *c.Char) c.Int
+
+//go:linkname Clearenv C.clearenv
+func Clearenv()
+
+// -----------------------------------------------------------------------------
+
+//go:linkname Fchdir C.fchdir
+func Fchdir(dirfd c.Int) c.Int
+
+//go:linkname Faccessat C.faccessat
+func Faccessat(dirfd c.Int, path *c.Char, mode c.Int, flags c.Int) c.Int
+
+//go:linkname Fchmodat C.fchmodat
+func Fchmodat(dirfd c.Int, path *c.Char, mode ModeT, flags c.Int) c.Int
+
+//go:linkname Fchownat C.fchownat
+func Fchownat(dirfd c.Int, path *c.Char, owner UidT, group GidT, flags c.Int) c.Int
+
+//go:linkname Fstatat C.fstatat
+func Fstatat(dirfd c.Int, path *c.Char, buf *StatT, flags c.Int) c.Int
+
+// -----------------------------------------------------------------------------
+
+//go:linkname Open C.open
+func Open(path *c.Char, flags c.Int, mode ModeT) c.Int
+
+//go:linkname Creat C.creat
+func Creat(path *c.Char, mode ModeT) c.Int
+
+//go:linkname Dup C.dup
+func Dup(fd c.Int) c.Int
+
+//go:linkname Dup2 C.dup2
+func Dup2(oldfd c.Int, newfd c.Int) c.Int
+
+/* TODO(xsw):
+On Alpha, IA-64, MIPS, SuperH, and SPARC/SPARC64, pipe() has the following prototype:
+struct fd_pair {
+	long fd[2];
+};
+struct fd_pair pipe(void);
+*/
+//go:linkname Pipe C.pipe
+func Pipe(fds *[2]c.Int) c.Int
+
+//go:linkname Mkfifo C.mkfifo
+func Mkfifo(path *c.Char, mode ModeT) c.Int
+
+//go:linkname Mknod C.mknod
+func Mknod(path *c.Char, mode ModeT, dev DevT) c.Int
+
+//go:linkname Close C.close
+func Close(fd c.Int) c.Int
+
+//go:linkname Read C.read
+func Read(fd c.Int, buf c.Pointer, count uintptr) int
+
+//go:linkname Write C.write
+func Write(fd c.Int, buf c.Pointer, count uintptr) int
+
+//go:linkname Lseek C.lseek
+func Lseek(fd c.Int, offset OffT, whence c.Int) OffT
+
+//go:linkname Fsync C.fsync
+func Fsync(fd c.Int) c.Int
+
+//go:linkname Ftruncate C.ftruncate
+func Ftruncate(fd c.Int, length OffT) c.Int
+
+//go:linkname Fchmod C.fchmod
+func Fchmod(fd c.Int, mode ModeT) c.Int
+
+//go:linkname Fchown C.fchown
+func Fchown(fd c.Int, owner UidT, group GidT) c.Int
+
+//go:linkname Fstat C.fstat
+func Fstat(fd c.Int, buf *StatT) c.Int
+
+//go:linkname Isatty C.isatty
+func Isatty(fd c.Int) c.Int
+
+// -----------------------------------------------------------------------------
+
+//go:linkname Exit C.exit
+func Exit(c.Int)
+
+//go:linkname Getpid C.getpid
+func Getpid() c.Int
+
+//go:linkname Getppid C.getppid
+func Getppid() c.Int
+
+//go:linkname Getuid C.getuid
+func Getuid() UidT
+
+//go:linkname Geteuid C.geteuid
+func Geteuid() UidT
+
+//go:linkname Getgid C.getgid
+func Getgid() GidT
+
+//go:linkname Getegid C.getegid
+func Getegid() GidT
+
+// -----------------------------------------------------------------------------