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authorRoland McGrath <roland@hack.frob.com>2015-05-08 13:06:41 -0700
committerRoland McGrath <roland@hack.frob.com>2015-05-08 13:06:41 -0700
commitc4c977c6a294d8e0bcaf31059469aa683e0f00fe (patch)
treedd20b4bfee29c26c2a4a0d43f73b7d20120bc74e
parent14f36098f219a17c8fa21578a5bf1a23c74d28bb (diff)
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NaCl: Implement gethostname.
-rw-r--r--ChangeLog4
-rw-r--r--sysdeps/nacl/gethostname.c45
2 files changed, 49 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 501837a5f3..fa2b1588cf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2015-05-08 Roland McGrath <roland@hack.frob.com>
+
+ * sysdeps/nacl/gethostname.c: New file.
+
2015-05-08 Joseph Myers <joseph@codesourcery.com>
* math/auto-libm-test-in: Add more tests of csqrt, lgamma, log10
diff --git a/sysdeps/nacl/gethostname.c b/sysdeps/nacl/gethostname.c
new file mode 100644
index 0000000000..aed030578d
--- /dev/null
+++ b/sysdeps/nacl/gethostname.c
@@ -0,0 +1,45 @@
+/* Get current host's name. NaCl version.
+ Copyright (C) 2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+
+/* Put the name of the current host in no more than LEN bytes of NAME.
+ The result is null-terminated if LEN is large enough for the full
+ name and the terminator. */
+int
+__gethostname (char *name, size_t len)
+{
+ static const char hostname[] = "naclhost";
+
+ int result = 0;
+ size_t copy = sizeof hostname;
+
+ if (len < copy)
+ {
+ errno = ENAMETOOLONG;
+ result = -1;
+ copy = len;
+ }
+
+ memcpy (name, hostname, copy);
+
+ return result;
+}
+weak_alias (__gethostname, gethostname)