- /* Header for environment manipulation library.
- Copyright (C) 1989-2015 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 *, const char *);
- extern char **environ_vector (struct gdb_environ *);
- #endif /* defined (ENVIRON_H) */