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-rw-r--r--ext/etc/etc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/ext/etc/etc.c b/ext/etc/etc.c
index 4b1ce35bb76..944b72217c4 100644
--- a/ext/etc/etc.c
+++ b/ext/etc/etc.c
@@ -702,9 +702,10 @@ etc_uname(VALUE obj)
rb_w32_conv_from_wchar(v.szCSDVersion, rb_utf8_encoding()));
rb_hash_aset(result, ID2SYM(rb_intern("version")), version);
- GetComputerNameExW(ComputerNameDnsFullyQualified, NULL, &len);
+# define GET_COMPUTER_NAME(ptr, plen) GetComputerNameExW(ComputerNameDnsFullyQualified, ptr, len);
+ GET_COMPUTER_NAME(NULL, &len);
buf = ALLOCV_N(WCHAR, vbuf, len);
- if (GetComputerNameExW(ComputerNameDnsHostname, buf, &len)) {
+ if (GET_COMPUTER_NAME(buf, &len)) {
nodename = rb_w32_conv_from_wchar(buf, rb_utf8_encoding());
}
ALLOCV_END(vbuf);