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/* array.h -- definitions for the interface exported by array.c that allows
the rest of the shell to manipulate array variables. */
/* Copyright (C) 1997 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash 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 2, or (at your option) any later
version.
Bash 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 Bash; see the file COPYING. If not, write to the Free Software
Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
#ifndef _ARRAY_H_
#define _ARRAY_H_
#include "stdc.h"
typedef int arrayind_t;
enum atype {array_indexed, array_assoc};
typedef struct array {
enum atype type;
arrayind_t max_index, num_elements, max_size;
struct array_element *head;
} ARRAY;
typedef struct array_element {
arrayind_t ind;
char *value;
struct array_element *next, *prev;
} ARRAY_ELEMENT;
char *array_reference __P((ARRAY *, arrayind_t));
extern int array_add_element __P((ARRAY *, arrayind_t, char *));
extern ARRAY_ELEMENT *array_delete_element __P((ARRAY *, arrayind_t));
extern ARRAY_ELEMENT *new_array_element __P((arrayind_t, char *));
extern void destroy_array_element __P((ARRAY_ELEMENT *));
extern ARRAY *new_array __P((void));
extern void empty_array __P((ARRAY *));
extern void dispose_array __P((ARRAY *));
extern ARRAY *dup_array __P((ARRAY *));
extern ARRAY *dup_array_subrange __P((ARRAY *, ARRAY_ELEMENT *, ARRAY_ELEMENT *));
extern ARRAY_ELEMENT *new_array_element __P((arrayind_t, char *));
extern ARRAY_ELEMENT *copy_array_element __P((ARRAY_ELEMENT *));
extern WORD_LIST *array_to_word_list __P((ARRAY *));
extern ARRAY *word_list_to_array __P((WORD_LIST *));
extern ARRAY *assign_word_list __P((ARRAY *, WORD_LIST *));
extern char **array_to_argv __P((ARRAY *));
extern char *array_to_assignment_string __P((ARRAY *));
extern char *quoted_array_assignment_string __P((ARRAY *));
extern char *array_to_string __P((ARRAY *, char *, int));
extern ARRAY *string_to_array __P((char *, char *));
extern char *array_subrange __P((ARRAY *, int, int, int));
extern char *array_pat_subst __P((ARRAY *, char *, char *, int));
extern ARRAY *array_quote __P((ARRAY *));
#define array_num_elements(a) ((a)->num_elements)
#define array_max_index(a) ((a)->max_index)
#define array_head(a) ((a)->head)
#define array_empty(a) ((a)->num_elements == 0)
#define element_value(ae) ((ae)->value)
#define element_index(ae) ((ae)->ind)
#define element_forw(ae) ((ae)->next)
#define element_back(ae) ((ae)->prev)
#define ALL_ELEMENT_SUB(c) ((c) == '@' || (c) == '*')
#endif /* _ARRAY_H_ */
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