diff options
Diffstat (limited to 'lib/setenv.h')
-rw-r--r-- | lib/setenv.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/lib/setenv.h b/lib/setenv.h new file mode 100644 index 0000000..c89e7da --- /dev/null +++ b/lib/setenv.h @@ -0,0 +1,54 @@ +/* Setting environment variables. + Copyright (C) 2001-2004 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +#if HAVE_SETENV || HAVE_UNSETENV + +/* Get setenv(), unsetenv() declarations. */ +# include <stdlib.h> + +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#if !HAVE_SETENV + +/* Set NAME to VALUE in the environment. + If REPLACE is nonzero, overwrite an existing value. */ +extern int setenv (const char *name, const char *value, int replace); + +#endif + +#if HAVE_UNSETENV + +# if VOID_UNSETENV +/* On some systems, unsetenv() returns void. + This is the case for FreeBSD 4.8, NetBSD 1.6, OpenBSD 3.4. */ +# define unsetenv(name) ((unsetenv)(name), 0) +# endif + +#else + +/* Remove the variable NAME from the environment. */ +extern int unsetenv (const char *name); + +#endif + +#ifdef __cplusplus +} +#endif |