/* Header for environment manipulation library. Copyright (C) 1989, 1992, 2000, 2005, 2007, 2008, 2009, 2010 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */ #if !defined (ENVIRON_H) #define ENVIRON_H 1 /* We manipulate environments represented as these structures. */ struct gdb_environ { /* Number of usable slots allocated in VECTOR. VECTOR always has one slot not counted here, to hold the terminating zero. */ int allocated; /* A vector of slots, ALLOCATED + 1 of them. The first few slots contain strings "VAR=VALUE" and the next one contains zero. Then come some unused slots. */ char **vector; }; extern struct gdb_environ *make_environ (void); extern void free_environ (struct gdb_environ *); extern void init_environ (struct gdb_environ *); extern char *get_in_environ (const struct gdb_environ *, const char *); extern void set_in_environ (struct gdb_environ *, const char *, const char *); extern void unset_in_environ (struct gdb_environ *, char *); extern char **environ_vector (struct gdb_environ *); #endif /* defined (ENVIRON_H) */