[deliverable/binutils-gdb.git] / gdb / environ.h

/* Header for environment manipulation library.
   Copyright (C) 1989-2014 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) */
Commit	Line	Data
	1	/* Header for environment manipulation library.
	2	Copyright (C) 1989-2014 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
	22	struct gdb_environ
	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 , char );
	46
	47	extern char *environ_vector (struct gdb_environ );
	48
	49	#endif /* defined (ENVIRON_H) */