From patchwork Thu Oct 18 11:31:00 2012
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Subject: [04/11] linux-user: Implement gethostname
Date: Thu, 18 Oct 2012 01:31:00 -0000
From: riku.voipio@linaro.org
X-Patchwork-Id: 192296
Message-Id: <3d21d29c32380384e5ee5b804d0b0bf720469d97.1350559608.git.riku.voipio@linaro.org>
To: qemu-devel@nongnu.org
Cc: Richard Henderson <rth@twiddle.net>

From: Richard Henderson <rth@twiddle.net>

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Riku Voipio <riku.voipio@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 038aefe..89c74ad 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8868,6 +8868,19 @@ 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);