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zsyscall_darwin.go
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zsyscall_darwin.go
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//go:build darwin && go1.13
// +build darwin,go1.13
package fastwalk
import (
"syscall"
"unsafe"
)
// Implemented in the runtime package (runtime/sys_darwin.go)
func syscall_syscall(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno)
func syscall_syscallPtr(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno)
//go:linkname syscall_syscall syscall.syscall
//go:linkname syscall_syscallPtr syscall.syscallPtr
func closedir(dir uintptr) (err error) {
_, _, e1 := syscall_syscall(libc_closedir_trampoline_addr, uintptr(dir), 0, 0)
if e1 != 0 {
err = e1
}
return
}
var libc_closedir_trampoline_addr uintptr
//go:cgo_import_dynamic libc_closedir closedir "/usr/lib/libSystem.B.dylib"
func readdir_r(dir uintptr, entry *syscall.Dirent, result **syscall.Dirent) syscall.Errno {
res, _, _ := syscall_syscall(libc_readdir_r_trampoline_addr, uintptr(dir), uintptr(unsafe.Pointer(entry)), uintptr(unsafe.Pointer(result)))
return syscall.Errno(res)
}
var libc_readdir_r_trampoline_addr uintptr
//go:cgo_import_dynamic libc_readdir_r readdir_r "/usr/lib/libSystem.B.dylib"
func opendir(path string) (dir uintptr, err error) {
// We implent opendir so that we don't have to open a file, duplicate
// it's FD, then call fdopendir with it.
p, err := syscall.BytePtrFromString(path)
if err != nil {
return 0, err
}
r0, _, e1 := syscall_syscallPtr(libc_opendir_trampoline_addr, uintptr(unsafe.Pointer(p)), 0, 0)
dir = uintptr(r0)
if e1 != 0 {
err = e1
}
return dir, err
}
var libc_opendir_trampoline_addr uintptr
//go:cgo_import_dynamic libc_opendir opendir "/usr/lib/libSystem.B.dylib"