unix: use int8 for RawSockaddrUnix.Path on linux/riscv64
On linux/riscv64, char defaults to unsigned, so explicitly make
RawSockaddrUnix.Path signed.
Patch by Ryan O'Leary.
Updates golang/go#27532
Change-Id: If99a3953462ad98f61d8fafcda3ebb71b44e6018
Reviewed-on: https://go-review.googlesource.com/c/157900
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/unix/linux/types.go b/unix/linux/types.go
index fecd2ce..bd5667c 100644
--- a/unix/linux/types.go
+++ b/unix/linux/types.go
@@ -230,8 +230,8 @@
// copied from /usr/include/linux/un.h
struct my_sockaddr_un {
sa_family_t sun_family;
-#if defined(__ARM_EABI__) || defined(__powerpc64__)
- // on ARM char is by default unsigned
+#if defined(__ARM_EABI__) || defined(__powerpc64__) || defined(__riscv)
+ // on some platforms char is unsigned by default
signed char sun_path[108];
#else
char sun_path[108];
diff --git a/unix/ztypes_linux_riscv64.go b/unix/ztypes_linux_riscv64.go
index 6009e5d..4146e6d 100644
--- a/unix/ztypes_linux_riscv64.go
+++ b/unix/ztypes_linux_riscv64.go
@@ -212,7 +212,7 @@
type RawSockaddrUnix struct {
Family uint16
- Path [108]uint8
+ Path [108]int8
}
type RawSockaddrLinklayer struct {
