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/tmp/gdb-7.10/gdb/environ.h
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1 /* Header for environment manipulation library.
2  Copyright (C) 1989-2015 Free Software Foundation, Inc.
3 
4  This program is free software; you can redistribute it and/or modify
5  it under the terms of the GNU General Public License as published by
6  the Free Software Foundation; either version 3 of the License, or
7  (at your option) any later version.
8 
9  This program is distributed in the hope that it will be useful,
10  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  GNU General Public License for more details.
13 
14  You should have received a copy of the GNU General Public License
15  along with this program. If not, see <http://www.gnu.org/licenses/>. */
16 
17 #if !defined (ENVIRON_H)
18 #define ENVIRON_H 1
19 
20 /* We manipulate environments represented as these structures. */
21 
23  {
24  /* Number of usable slots allocated in VECTOR.
25  VECTOR always has one slot not counted here,
26  to hold the terminating zero. */
27  int allocated;
28  /* A vector of slots, ALLOCATED + 1 of them.
29  The first few slots contain strings "VAR=VALUE"
30  and the next one contains zero.
31  Then come some unused slots. */
32  char **vector;
33  };
34 
35 extern struct gdb_environ *make_environ (void);
36 
37 extern void free_environ (struct gdb_environ *);
38 
39 extern void init_environ (struct gdb_environ *);
40 
41 extern char *get_in_environ (const struct gdb_environ *, const char *);
42 
43 extern void set_in_environ (struct gdb_environ *, const char *, const char *);
44 
45 extern void unset_in_environ (struct gdb_environ *, const char *);
46 
47 extern char **environ_vector (struct gdb_environ *);
48 
49 #endif /* defined (ENVIRON_H) */
void init_environ(struct gdb_environ *)
Definition: environ.c:59
void unset_in_environ(struct gdb_environ *, const char *)
Definition: environ.c:163
void set_in_environ(struct gdb_environ *, const char *, const char *)
Definition: environ.c:116
void free_environ(struct gdb_environ *)
Definition: environ.c:43
char ** vector
Definition: environ.h:32
int allocated
Definition: environ.h:27
char ** environ_vector(struct gdb_environ *)
Definition: environ.c:92
struct gdb_environ * make_environ(void)
Definition: environ.c:28
char * get_in_environ(const struct gdb_environ *, const char *)
Definition: environ.c:100