mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-30 19:53:46 +00:00
41 lines
801 B
C
41 lines
801 B
C
// Copyright 2012 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.
|
|
|
|
// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
|
|
|
|
#include "runtime.h"
|
|
#include "array.h"
|
|
#include "arch.h"
|
|
#include "malloc.h"
|
|
|
|
extern Slice envs;
|
|
|
|
const byte*
|
|
runtime_getenv(const char *s)
|
|
{
|
|
int32 i, j;
|
|
intgo len;
|
|
const byte *v, *bs;
|
|
String* envv;
|
|
int32 envc;
|
|
|
|
bs = (const byte*)s;
|
|
len = runtime_findnull(bs);
|
|
envv = (String*)envs.__values;
|
|
envc = envs.__count;
|
|
for(i=0; i<envc; i++){
|
|
if(envv[i].len <= len)
|
|
continue;
|
|
v = (const byte*)envv[i].str;
|
|
for(j=0; j<len; j++)
|
|
if(bs[j] != v[j])
|
|
goto nomatch;
|
|
if(v[len] != '=')
|
|
goto nomatch;
|
|
return v+len+1;
|
|
nomatch:;
|
|
}
|
|
return nil;
|
|
}
|