mirror of
https://github.com/golang/go
synced 2024-10-04 04:31:21 -06:00
bc13a1a374
if an import file is missing, the corresponding source is compiled automatically, if found R=r OCL=13990 CL=13990
56 lines
930 B
Go
56 lines
930 B
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package Utils
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// Environment
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export var
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GOARCH,
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GOOS,
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GOROOT,
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USER string;
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func GetEnv(key string) string {
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n := len(key);
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for i := 0; i < sys.envc(); i++ {
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v := sys.envv(i);
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if v[0 : n] == key {
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return v[n + 1 : len(v)]; // +1: trim "="
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}
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}
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return "";
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}
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func init() {
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GOARCH = GetEnv("GOARCH");
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GOOS = GetEnv("GOOS");
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GOROOT = GetEnv("GOROOT");
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USER = GetEnv("USER");
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}
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export func BaseName(s string) string {
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// TODO this is not correct for non-ASCII strings!
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i := len(s) - 1;
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for i >= 0 && s[i] != '/' {
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if s[i] > 128 {
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panic "non-ASCII string"
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}
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i--;
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}
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return s[i + 1 : len(s)];
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}
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export func TrimExt(s, ext string) string {
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i := len(s) - len(ext);
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if i >= 0 && s[i : len(s)] == ext {
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s = s[0 : i];
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}
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return s;
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}
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