Patchwork [2/6] linux-user: Implement gethostname

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Submitter Richard Henderson
Date Sept. 15, 2012, 8:24 p.m.
Message ID <1347740649-28646-3-git-send-email-rth@twiddle.net>
Download mbox | patch
Permalink /patch/184103/
State New
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Richard Henderson - Sept. 15, 2012, 8:24 p.m.
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 linux-user/syscall.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Patch

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index ceca04c..925e579 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8866,6 +8866,19 @@  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);