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-rw-r--r--src/lib9/goos.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/lib9/goos.c b/src/lib9/goos.c
new file mode 100644
index 000000000..f3ee1110a
--- /dev/null
+++ b/src/lib9/goos.c
@@ -0,0 +1,41 @@
+// Copyright 2010 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include <u.h>
+#include <libc.h>
+
+static char*
+defgetenv(char *name, char *def)
+{
+ char *p;
+
+ p = getenv(name);
+ if(p == nil || p[0] == '\0')
+ p = def;
+ return p;
+}
+
+char*
+getgoos(void)
+{
+ return defgetenv("GOOS", GOOS);
+}
+
+char*
+getgoarch(void)
+{
+ return defgetenv("GOARCH", GOARCH);
+}
+
+char*
+getgoroot(void)
+{
+ return defgetenv("GOROOT", GOROOT);
+}
+
+char*
+getgoversion(void)
+{
+ return GOVERSION;
+}