1 /* Copyright (C) 1991, 1994, 1995, 1996 Free Software Foundation, Inc.
2 This file based on putenv.c in the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 #if defined (_AIX) && !defined (__GNUC__)
41 # define alloca __builtin_alloca
43 extern char *alloca ();
44 # endif /* __GNUC__ */
46 #endif /* HAVE_ALLOCA_H */
48 /* Below this point, it's verbatim code from the glibc-2.0 implementation */
51 /* Put STRING, which is of the form "NAME=VALUE", in the environment. */
56 const char *const name_end
= strchr (string
, '=');
60 char *name
= (char *) alloca (name_end
- string
+ 1);
61 memcpy (name
, string
, name_end
- string
);
62 name
[name_end
- string
] = '\0';
63 return setenv (name
, name_end
+ 1, 1);
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