diff options
Diffstat (limited to 'lib/setenv.h')
| -rw-r--r-- | lib/setenv.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/setenv.h b/lib/setenv.h index 1c69ac3e4..7ac5ae645 100644 --- a/lib/setenv.h +++ b/lib/setenv.h @@ -1,5 +1,5 @@ /* Setting environment variables. - Copyright (C) 2001-2003 Free Software Foundation, Inc. + 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 @@ -34,7 +34,15 @@ extern int setenv (const char *name, const char *value, int replace); #endif -#if !HAVE_UNSETENV +#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); |