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author | Jason A. Donenfeld <Jason@zx2c4.com> | 2021-03-03 14:38:26 +0100 |
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committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2021-03-08 21:04:09 -0700 |
commit | 497ba95de7833566d696768c8a366e39fdb40f8b (patch) | |
tree | 2eae133ac40b551c6ec41af7d2d72b1c4dc8367c /tun/wintun/memmod/zsyscall_windows.go | |
parent | 0eb720629553800b351c8ac7f6aa5ffad3de427d (diff) | |
download | wireguard-go-497ba95de7833566d696768c8a366e39fdb40f8b.tar.gz wireguard-go-497ba95de7833566d696768c8a366e39fdb40f8b.zip |
memmod: do not use IsBadReadPtr
It should be enough to check for the trailing zero name.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'tun/wintun/memmod/zsyscall_windows.go')
-rw-r--r-- | tun/wintun/memmod/zsyscall_windows.go | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/tun/wintun/memmod/zsyscall_windows.go b/tun/wintun/memmod/zsyscall_windows.go deleted file mode 100644 index 6a5b76f..0000000 --- a/tun/wintun/memmod/zsyscall_windows.go +++ /dev/null @@ -1,50 +0,0 @@ -// Code generated by 'go generate'; DO NOT EDIT. - -package memmod - -import ( - "syscall" - "unsafe" - - "golang.org/x/sys/windows" -) - -var _ unsafe.Pointer - -// Do the interface allocations only once for common -// Errno values. -const ( - errnoERROR_IO_PENDING = 997 -) - -var ( - errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING) - errERROR_EINVAL error = syscall.EINVAL -) - -// errnoErr returns common boxed Errno values, to prevent -// allocations at runtime. -func errnoErr(e syscall.Errno) error { - switch e { - case 0: - return errERROR_EINVAL - case errnoERROR_IO_PENDING: - return errERROR_IO_PENDING - } - // TODO: add more here, after collecting data on the common - // error values see on Windows. (perhaps when running - // all.bat?) - return e -} - -var ( - modkernel32 = windows.NewLazySystemDLL("kernel32.dll") - - procIsBadReadPtr = modkernel32.NewProc("IsBadReadPtr") -) - -func isBadReadPtr(addr uintptr, ucb uintptr) (ret bool) { - r0, _, _ := syscall.Syscall(procIsBadReadPtr.Addr(), 2, uintptr(addr), uintptr(ucb), 0) - ret = r0 != 0 - return -} |