Adding upstream version 5.2.37.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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182
array.h
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182
array.h
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/* array.h -- definitions for the interface exported by array.c that allows
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the rest of the shell to manipulate array variables. */
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/* Copyright (C) 1997-2021 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Bash is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bash. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _ARRAY_H_
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#define _ARRAY_H_
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#include "stdc.h"
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typedef intmax_t arrayind_t;
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typedef struct array {
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arrayind_t max_index;
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arrayind_t num_elements;
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#ifdef ALT_ARRAY_IMPLEMENTATION
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arrayind_t first_index;
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arrayind_t alloc_size;
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struct array_element **elements;
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#else
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struct array_element *head;
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struct array_element *lastref;
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#endif
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} ARRAY;
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typedef struct array_element {
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arrayind_t ind;
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char *value;
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#ifndef ALT_ARRAY_IMPLEMENTATION
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struct array_element *next, *prev;
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#endif
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} ARRAY_ELEMENT;
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#define ARRAY_DEFAULT_SIZE 1024
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typedef int sh_ae_map_func_t PARAMS((ARRAY_ELEMENT *, void *));
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/* Basic operations on entire arrays */
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#ifdef ALT_ARRAY_IMPLEMENTATION
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extern void array_alloc PARAMS((ARRAY *, arrayind_t));
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extern void array_resize PARAMS((ARRAY *, arrayind_t));
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extern void array_expand PARAMS((ARRAY *, arrayind_t));
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extern void array_dispose_elements PARAMS((ARRAY_ELEMENT **));
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#endif
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extern ARRAY *array_create PARAMS((void));
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extern void array_flush PARAMS((ARRAY *));
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extern void array_dispose PARAMS((ARRAY *));
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extern ARRAY *array_copy PARAMS((ARRAY *));
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#ifndef ALT_ARRAY_IMPLEMENTATION
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extern ARRAY *array_slice PARAMS((ARRAY *, ARRAY_ELEMENT *, ARRAY_ELEMENT *));
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#else
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extern ARRAY *array_slice PARAMS((ARRAY *, arrayind_t, arrayind_t));
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#endif
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extern void array_walk PARAMS((ARRAY *, sh_ae_map_func_t *, void *));
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#ifndef ALT_ARRAY_IMPLEMENTATION
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extern ARRAY_ELEMENT *array_shift PARAMS((ARRAY *, int, int));
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#else
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extern ARRAY_ELEMENT **array_shift PARAMS((ARRAY *, int, int));
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#endif
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extern int array_rshift PARAMS((ARRAY *, int, char *));
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extern ARRAY_ELEMENT *array_unshift_element PARAMS((ARRAY *));
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extern int array_shift_element PARAMS((ARRAY *, char *));
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extern ARRAY *array_quote PARAMS((ARRAY *));
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extern ARRAY *array_quote_escapes PARAMS((ARRAY *));
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extern ARRAY *array_dequote PARAMS((ARRAY *));
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extern ARRAY *array_dequote_escapes PARAMS((ARRAY *));
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extern ARRAY *array_remove_quoted_nulls PARAMS((ARRAY *));
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extern char *array_subrange PARAMS((ARRAY *, arrayind_t, arrayind_t, int, int, int));
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extern char *array_patsub PARAMS((ARRAY *, char *, char *, int));
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extern char *array_modcase PARAMS((ARRAY *, char *, int, int));
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/* Basic operations on array elements. */
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extern ARRAY_ELEMENT *array_create_element PARAMS((arrayind_t, char *));
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extern ARRAY_ELEMENT *array_copy_element PARAMS((ARRAY_ELEMENT *));
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extern void array_dispose_element PARAMS((ARRAY_ELEMENT *));
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extern int array_insert PARAMS((ARRAY *, arrayind_t, char *));
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extern ARRAY_ELEMENT *array_remove PARAMS((ARRAY *, arrayind_t));
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extern char *array_reference PARAMS((ARRAY *, arrayind_t));
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/* Converting to and from arrays */
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extern WORD_LIST *array_to_word_list PARAMS((ARRAY *));
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extern ARRAY *array_from_word_list PARAMS((WORD_LIST *));
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extern WORD_LIST *array_keys_to_word_list PARAMS((ARRAY *));
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extern WORD_LIST *array_to_kvpair_list PARAMS((ARRAY *));
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extern ARRAY *array_assign_list PARAMS((ARRAY *, WORD_LIST *));
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extern char **array_to_argv PARAMS((ARRAY *, int *));
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extern ARRAY *array_from_argv PARAMS((ARRAY *, char **, int));
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extern char *array_to_kvpair PARAMS((ARRAY *, int));
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extern char *array_to_assign PARAMS((ARRAY *, int));
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extern char *array_to_string PARAMS((ARRAY *, char *, int));
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extern ARRAY *array_from_string PARAMS((char *, char *));
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/* Flags for array_shift */
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#define AS_DISPOSE 0x01
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#define array_num_elements(a) ((a)->num_elements)
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#define array_max_index(a) ((a)->max_index)
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#ifndef ALT_ARRAY_IMPLEMENTATION
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#define array_first_index(a) ((a)->head->next->ind)
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#define array_head(a) ((a)->head)
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#define array_alloc_size(a) ((a)->alloc_size)
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#else
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#define array_first_index(a) ((a)->first_index)
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#define array_head(a) ((a)->elements)
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#endif
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#define array_empty(a) ((a)->num_elements == 0)
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#define element_value(ae) ((ae)->value)
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#define element_index(ae) ((ae)->ind)
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#ifndef ALT_ARRAY_IMPLEMENTATION
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#define element_forw(ae) ((ae)->next)
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#define element_back(ae) ((ae)->prev)
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#else
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extern arrayind_t element_forw PARAMS((ARRAY *, arrayind_t));
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extern arrayind_t element_back PARAMS((ARRAY *, arrayind_t));
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#endif
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#define set_element_value(ae, val) ((ae)->value = (val))
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#ifdef ALT_ARRAY_IMPLEMENTATION
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#define set_first_index(a, i) ((a)->first_index = (i))
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#endif
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#define set_max_index(a, i) ((a)->max_index = (i))
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#define set_num_elements(a, n) ((a)->num_elements = (n))
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/* Convenience */
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#define array_push(a,v) \
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do { array_rshift ((a), 1, (v)); } while (0)
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#define array_pop(a) \
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do { array_shift ((a), 1, AS_DISPOSE); } while (0)
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#define GET_ARRAY_FROM_VAR(n, v, a) \
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do { \
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(v) = find_variable (n); \
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(a) = ((v) && array_p ((v))) ? array_cell (v) : (ARRAY *)0; \
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} while (0)
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#define ARRAY_ELEMENT_REPLACE(ae, v) \
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do { \
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free ((ae)->value); \
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(ae)->value = (v); \
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} while (0)
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#ifdef ALT_ARRAY_IMPLEMENTATION
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#define ARRAY_VALUE_REPLACE(a, i, v) \
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ARRAY_ELEMENT_REPLACE((a)->elements[(i)], (v))
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#endif
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#define ALL_ELEMENT_SUB(c) ((c) == '@' || (c) == '*')
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/* In eval.c, but uses ARRAY * */
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extern int execute_array_command PARAMS((ARRAY *, void *));
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#endif /* _ARRAY_H_ */
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