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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /src/internal/syscall/unix/at_libc.go | |
parent | Initial commit. (diff) | |
download | golang-1.20-upstream.tar.xz golang-1.20-upstream.zip |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/internal/syscall/unix/at_libc.go')
-rw-r--r-- | src/internal/syscall/unix/at_libc.go | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/internal/syscall/unix/at_libc.go b/src/internal/syscall/unix/at_libc.go new file mode 100644 index 0000000..f48d379 --- /dev/null +++ b/src/internal/syscall/unix/at_libc.go @@ -0,0 +1,64 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || solaris + +package unix + +import ( + "syscall" + "unsafe" +) + +//go:linkname procFstatat libc_fstatat +//go:linkname procOpenat libc_openat +//go:linkname procUnlinkat libc_unlinkat + +var ( + procFstatat, + procOpenat, + procUnlinkat uintptr +) + +func Unlinkat(dirfd int, path string, flags int) error { + p, err := syscall.BytePtrFromString(path) + if err != nil { + return err + } + + _, _, errno := syscall6(uintptr(unsafe.Pointer(&procUnlinkat)), 3, uintptr(dirfd), uintptr(unsafe.Pointer(p)), uintptr(flags), 0, 0, 0) + if errno != 0 { + return errno + } + + return nil +} + +func Openat(dirfd int, path string, flags int, perm uint32) (int, error) { + p, err := syscall.BytePtrFromString(path) + if err != nil { + return 0, err + } + + fd, _, errno := syscall6(uintptr(unsafe.Pointer(&procOpenat)), 4, uintptr(dirfd), uintptr(unsafe.Pointer(p)), uintptr(flags), uintptr(perm), 0, 0) + if errno != 0 { + return 0, errno + } + + return int(fd), nil +} + +func Fstatat(dirfd int, path string, stat *syscall.Stat_t, flags int) error { + p, err := syscall.BytePtrFromString(path) + if err != nil { + return err + } + + _, _, errno := syscall6(uintptr(unsafe.Pointer(&procFstatat)), 4, uintptr(dirfd), uintptr(unsafe.Pointer(p)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0) + if errno != 0 { + return errno + } + + return nil +} |