newlib-cygwin/newlib/libc/stdlib/setenv.c

52 lines
1.5 KiB
C

/*
* Copyright (c) 1987 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that: (1) source distributions retain this entire copyright
* notice and comment, and (2) distributions including binaries display
* the following acknowledgement: ``This product includes software
* developed by the University of California, Berkeley and its contributors''
* in the documentation or other materials provided with the distribution.
* Neither the name of the University nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef _REENT_ONLY
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
extern int _unsetenv_r (struct _reent *, const char *);
/*
* setenv --
* Set the value of the environmental variable "name" to be
* "value". If rewrite is set, replace any current value.
*/
int
setenv (const char *name,
const char *value,
int rewrite)
{
return _setenv_r (_REENT, name, value, rewrite);
}
/*
* unsetenv(name) --
* Delete environmental variable "name".
*/
int
unsetenv (const char *name)
{
return _unsetenv_r (_REENT, name);
}
#endif /* !_REENT_ONLY */