From patchwork Thu Oct 11 19:22:12 2012
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: [2/6] linux-user: Implement gethostname
From: Richard Henderson <rth@twiddle.net>
X-Patchwork-Id: 190981
Message-Id: <1349983336-9974-3-git-send-email-rth@twiddle.net>
To: qemu-devel@nongnu.org
Cc: Riku Voipio <riku.voipio@iki.fi>
Date: Thu, 11 Oct 2012 12:22:12 -0700

Signed-off-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

---
linux-user/syscall.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 8708b31..462d11b 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8864,6 +8864,19 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
         break;
     }
 #endif
+#ifdef TARGET_NR_gethostname
+    case TARGET_NR_gethostname:
+    {
+        char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0);
+        if (name) {
+            ret = get_errno(gethostname(name, arg2));
+            unlock_user(name, arg1, arg2);
+        } else {
+            ret = -TARGET_EFAULT;
+        }
+        break;
+    }
+#endif
     default:
     unimplemented:
         gemu_log("qemu: Unsupported syscall: %d\n", num);