syscall: use error
- syscall (not os) now defines the Errno type.
- the low-level assembly functions Syscall, Syscall6, and so on
return Errno, not uintptr
- syscall wrappers all return error, not uintptr.
R=golang-dev, mikioh.mikioh, r, alex.brainman
CC=golang-dev
https://golang.org/cl/5372080
diff --git a/src/pkg/crypto/rand/rand_windows.go b/src/pkg/crypto/rand/rand_windows.go
index 590571d..2b2bd4b 100644
--- a/src/pkg/crypto/rand/rand_windows.go
+++ b/src/pkg/crypto/rand/rand_windows.go
@@ -28,16 +28,16 @@
if r.prov == 0 {
const provType = syscall.PROV_RSA_FULL
const flags = syscall.CRYPT_VERIFYCONTEXT | syscall.CRYPT_SILENT
- errno := syscall.CryptAcquireContext(&r.prov, nil, nil, provType, flags)
- if errno != 0 {
+ err := syscall.CryptAcquireContext(&r.prov, nil, nil, provType, flags)
+ if err != nil {
r.mu.Unlock()
- return 0, os.NewSyscallError("CryptAcquireContext", errno)
+ return 0, os.NewSyscallError("CryptAcquireContext", err)
}
}
r.mu.Unlock()
- errno := syscall.CryptGenRandom(r.prov, uint32(len(b)), &b[0])
- if errno != 0 {
- return 0, os.NewSyscallError("CryptGenRandom", errno)
+ err = syscall.CryptGenRandom(r.prov, uint32(len(b)), &b[0])
+ if err != nil {
+ return 0, os.NewSyscallError("CryptGenRandom", err)
}
return len(b), nil
}