Adding upstream version 5.2.15.upstream/5.2.15upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 182 insertions, 0 deletions

diff --git a/array.h b/array.h
new file mode 100644
index 0000000..4214e8b
--- /dev/null
+++ b/array.h
@@ -0,0 +1,182 @@
+/* array.h -- definitions for the interface exported by array.c that allows
+   the rest of the shell to manipulate array variables. */
+
+/* Copyright (C) 1997-2021 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 3 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef _ARRAY_H_
+#define _ARRAY_H_
+
+#include "stdc.h"
+
+typedef intmax_t	arrayind_t;
+
+typedef struct array {
+	arrayind_t	max_index;
+	arrayind_t	num_elements;
+#ifdef ALT_ARRAY_IMPLEMENTATION
+	arrayind_t	first_index;
+	arrayind_t	alloc_size;
+	struct array_element **elements;
+#else
+	struct array_element *head;
+	struct array_element *lastref;
+#endif
+} ARRAY;
+
+typedef struct array_element {
+	arrayind_t	ind;
+	char	*value;
+#ifndef ALT_ARRAY_IMPLEMENTATION
+	struct array_element *next, *prev;
+#endif
+} ARRAY_ELEMENT;
+
+#define ARRAY_DEFAULT_SIZE	1024
+
+typedef int sh_ae_map_func_t PARAMS((ARRAY_ELEMENT *, void *));
+
+/* Basic operations on entire arrays */
+#ifdef ALT_ARRAY_IMPLEMENTATION
+extern void   array_alloc PARAMS((ARRAY *, arrayind_t));
+extern void   array_resize PARAMS((ARRAY *, arrayind_t));
+extern void   array_expand PARAMS((ARRAY *, arrayind_t));
+extern void   array_dispose_elements PARAMS((ARRAY_ELEMENT **));
+#endif
+extern ARRAY	*array_create PARAMS((void));
+extern void	array_flush PARAMS((ARRAY *));
+extern void	array_dispose PARAMS((ARRAY *));
+extern ARRAY	*array_copy PARAMS((ARRAY *));
+#ifndef ALT_ARRAY_IMPLEMENTATION
+extern ARRAY	*array_slice PARAMS((ARRAY *, ARRAY_ELEMENT *, ARRAY_ELEMENT *));
+#else
+extern ARRAY	*array_slice PARAMS((ARRAY *, arrayind_t, arrayind_t));
+#endif
+
+extern void	array_walk PARAMS((ARRAY   *, sh_ae_map_func_t *, void *));
+
+#ifndef ALT_ARRAY_IMPLEMENTATION
+extern ARRAY_ELEMENT *array_shift PARAMS((ARRAY *, int, int));
+#else
+extern ARRAY_ELEMENT **array_shift PARAMS((ARRAY *, int, int));
+#endif
+extern int	array_rshift PARAMS((ARRAY *, int, char *));
+extern ARRAY_ELEMENT *array_unshift_element PARAMS((ARRAY *));
+extern int	array_shift_element PARAMS((ARRAY *, char *));
+
+extern ARRAY	*array_quote PARAMS((ARRAY *));
+extern ARRAY	*array_quote_escapes PARAMS((ARRAY *));
+extern ARRAY	*array_dequote PARAMS((ARRAY *));
+extern ARRAY	*array_dequote_escapes PARAMS((ARRAY *));
+extern ARRAY	*array_remove_quoted_nulls PARAMS((ARRAY *));
+
+extern char	*array_subrange PARAMS((ARRAY *, arrayind_t, arrayind_t, int, int, int));
+extern char	*array_patsub PARAMS((ARRAY *, char *, char *, int));
+extern char	*array_modcase PARAMS((ARRAY *, char *, int, int));
+
+/* Basic operations on array elements. */
+extern ARRAY_ELEMENT *array_create_element PARAMS((arrayind_t, char *));
+extern ARRAY_ELEMENT *array_copy_element PARAMS((ARRAY_ELEMENT *));
+extern void	array_dispose_element PARAMS((ARRAY_ELEMENT *));
+
+extern int	array_insert PARAMS((ARRAY *, arrayind_t, char *));
+extern ARRAY_ELEMENT *array_remove PARAMS((ARRAY *, arrayind_t));
+extern char	*array_reference PARAMS((ARRAY *, arrayind_t));
+
+/* Converting to and from arrays */
+extern WORD_LIST *array_to_word_list PARAMS((ARRAY *));
+extern ARRAY *array_from_word_list PARAMS((WORD_LIST *));
+extern WORD_LIST *array_keys_to_word_list PARAMS((ARRAY *));
+extern WORD_LIST *array_to_kvpair_list PARAMS((ARRAY *));
+
+extern ARRAY *array_assign_list PARAMS((ARRAY *, WORD_LIST *));
+
+extern char **array_to_argv PARAMS((ARRAY *, int *));
+extern ARRAY *array_from_argv PARAMS((ARRAY *, char **, int));
+
+extern char *array_to_kvpair PARAMS((ARRAY *, int));
+extern char *array_to_assign PARAMS((ARRAY *, int));
+extern char *array_to_string PARAMS((ARRAY *, char *, int));
+extern ARRAY *array_from_string PARAMS((char *, char *));
+
+/* Flags for array_shift */
+#define AS_DISPOSE	0x01
+
+#define array_num_elements(a)	((a)->num_elements)
+#define array_max_index(a)	((a)->max_index)
+#ifndef ALT_ARRAY_IMPLEMENTATION
+#define array_first_index(a)	((a)->head->next->ind)
+#define array_head(a)		((a)->head)
+#define array_alloc_size(a)	((a)->alloc_size)
+#else
+#define array_first_index(a)	((a)->first_index)
+#define array_head(a)		((a)->elements)
+#endif
+#define array_empty(a)		((a)->num_elements == 0)
+
+#define element_value(ae)	((ae)->value)
+#define element_index(ae)	((ae)->ind)
+
+#ifndef ALT_ARRAY_IMPLEMENTATION
+#define element_forw(ae)	((ae)->next)
+#define element_back(ae)	((ae)->prev)
+#else
+extern arrayind_t element_forw PARAMS((ARRAY *, arrayind_t));
+extern arrayind_t element_back PARAMS((ARRAY *, arrayind_t));
+#endif
+
+
+#define set_element_value(ae, val)	((ae)->value = (val))
+
+#ifdef ALT_ARRAY_IMPLEMENTATION
+#define set_first_index(a, i)	((a)->first_index = (i))
+#endif
+
+#define set_max_index(a, i)	((a)->max_index = (i))
+#define set_num_elements(a, n)	((a)->num_elements = (n))
+
+/* Convenience */
+#define array_push(a,v)	\
+  do { array_rshift ((a), 1, (v)); } while (0)
+#define array_pop(a) \
+  do { array_shift ((a), 1, AS_DISPOSE); } while (0)
+
+#define GET_ARRAY_FROM_VAR(n, v, a) \
+  do { \
+    (v) = find_variable (n); \
+    (a) = ((v) && array_p ((v))) ? array_cell (v) : (ARRAY *)0; \
+  } while (0)
+
+#define ARRAY_ELEMENT_REPLACE(ae, v) \
+  do { \
+    free ((ae)->value); \
+    (ae)->value = (v); \
+  } while (0)
+
+#ifdef ALT_ARRAY_IMPLEMENTATION
+#define ARRAY_VALUE_REPLACE(a, i, v) \
+   ARRAY_ELEMENT_REPLACE((a)->elements[(i)], (v))
+#endif
+
+#define ALL_ELEMENT_SUB(c)	((c) == '@' || (c) == '*')
+
+/* In eval.c, but uses ARRAY * */
+extern int execute_array_command PARAMS((ARRAY *, void *));
+
+#endif /* _ARRAY_H_ */