old-cross-binutils/gdb/environ.h
Joel Brobecker a9762ec78a Switch the license of all .c files to GPLv3.
Switch the license of all .h files to GPLv3.
        Switch the license of all .cc files to GPLv3.
2007-08-23 18:08:50 +00:00

49 lines
1.7 KiB
C

/* Header for environment manipulation library.
Copyright (C) 1989, 1992, 2000, 2005, 2007 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) */