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- /* getenv.c for uClibc
- * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
- *
- * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
- */
- #include <string.h>
- #include <unistd.h>
- #include <stdlib.h>
- /* IEEE Std 1003.1-2001 says getenv need not be thread safe, so
- * don't bother locking access to __environ */
- char *getenv(const char *var)
- {
- int len;
- char **ep;
- if (!(ep=__environ))
- return NULL;
- len = strlen(var);
- while(*ep) {
- if (memcmp(var, *ep, len) == 0 && (*ep)[len] == '=') {
- return *ep + len + 1;
- }
- ep++;
- }
- return NULL;
- }
- libc_hidden_def(getenv)
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