Adding upstream version 5.2.15.upstream/5.2.15upstream

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

1 files changed, 140 insertions, 0 deletions

diff --git a/arrayfunc.h b/arrayfunc.h
new file mode 100644
index 0000000..69112b5
--- /dev/null
+++ b/arrayfunc.h
@@ -0,0 +1,140 @@
+/* arrayfunc.h -- declarations for miscellaneous array functions in arrayfunc.c */
+
+/* Copyright (C) 2001-2021 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/>.
+*/
+
+#if !defined (_ARRAYFUNC_H_)
+#define _ARRAYFUNC_H_
+
+/* Must include variables.h before including this file. */
+
+/* An object to encapsulate the state of an array element. It can describe
+   an array assignment A[KEY]=VALUE or a[IND]=VALUE depending on TYPE, or
+   for passing array subscript references around, where VALUE would be
+   ${a[IND]} or ${A[KEY]}.  This is not dependent on ARRAY_VARS so we can
+   use it in function parameters. */
+
+/* values for `type' field */
+#define ARRAY_INVALID	-1
+#define ARRAY_SCALAR	0
+#define ARRAY_INDEXED	1
+#define ARRAY_ASSOC	2
+
+/* KEY will contain allocated memory if called through the assign_array_element
+   code path because of how assoc_insert works. */
+typedef struct element_state
+{
+  short type;			/* assoc or indexed, says which fields are valid */  
+  short subtype;		/* `*', `@', or something else */
+  arrayind_t ind;
+  char *key;			/* can be allocated memory */
+  char *value;
+} array_eltstate_t;
+
+#if defined (ARRAY_VARS)
+
+/* This variable means to not expand associative array subscripts more than
+   once, when performing variable expansion. */
+extern int assoc_expand_once;
+
+/* The analog for indexed array subscripts */
+extern int array_expand_once;
+
+/* Flags for array_value_internal and callers array_value/get_array_value; also
+   used by array_variable_name and array_variable_part. */
+#define AV_ALLOWALL	0x001	/* treat a[@] like $@ and a[*] like $* */
+#define AV_QUOTED	0x002
+#define AV_USEIND	0x004
+#define AV_USEVAL	0x008	/* XXX - should move this */
+#define AV_ASSIGNRHS	0x010	/* no splitting, special case ${a[@]} */
+#define AV_NOEXPAND	0x020	/* don't run assoc subscripts through word expansion */
+#define AV_ONEWORD	0x040	/* not used yet */
+#define AV_ATSTARKEYS	0x080	/* accept a[@] and a[*] but use them as keys, not special values */
+
+/* Flags for valid_array_reference. Value 1 is reserved for skipsubscript().
+   Also used by unbind_array_element, which is currently the only function
+   that uses VA_ALLOWALL. */
+#define VA_NOEXPAND	0x001
+#define VA_ONEWORD	0x002
+#define VA_ALLOWALL	0x004	/* allow @ to mean all elements of the array */
+
+extern SHELL_VAR *convert_var_to_array PARAMS((SHELL_VAR *));
+extern SHELL_VAR *convert_var_to_assoc PARAMS((SHELL_VAR *));
+
+extern char *make_array_variable_value PARAMS((SHELL_VAR *, arrayind_t, char *, char *, int));
+
+extern SHELL_VAR *bind_array_variable PARAMS((char *, arrayind_t, char *, int));
+extern SHELL_VAR *bind_array_element PARAMS((SHELL_VAR *, arrayind_t, char *, int));
+extern SHELL_VAR *assign_array_element PARAMS((char *, char *, int, array_eltstate_t *));
+
+extern SHELL_VAR *bind_assoc_variable PARAMS((SHELL_VAR *, char *, char *, char *, int));
+
+extern SHELL_VAR *find_or_make_array_variable PARAMS((char *, int));
+
+extern SHELL_VAR *assign_array_from_string  PARAMS((char *, char *, int));
+extern SHELL_VAR *assign_array_var_from_word_list PARAMS((SHELL_VAR *, WORD_LIST *, int));
+
+extern WORD_LIST *expand_compound_array_assignment PARAMS((SHELL_VAR *, char *, int));
+extern void assign_compound_array_list PARAMS((SHELL_VAR *, WORD_LIST *, int));
+extern SHELL_VAR *assign_array_var_from_string PARAMS((SHELL_VAR *, char *, int));
+
+extern char *expand_and_quote_assoc_word PARAMS((char *, int));
+extern void quote_compound_array_list PARAMS((WORD_LIST *, int));
+
+extern int kvpair_assignment_p PARAMS((WORD_LIST *));
+extern char *expand_and_quote_kvpair_word PARAMS((char *));
+
+extern int unbind_array_element PARAMS((SHELL_VAR *, char *, int));
+extern int skipsubscript PARAMS((const char *, int, int));
+
+extern void print_array_assignment PARAMS((SHELL_VAR *, int));
+extern void print_assoc_assignment PARAMS((SHELL_VAR *, int));
+
+extern arrayind_t array_expand_index PARAMS((SHELL_VAR *, char *, int, int));
+extern int valid_array_reference PARAMS((const char *, int));
+extern int tokenize_array_reference PARAMS((char *, int, char **));
+
+extern char *array_value PARAMS((const char *, int, int, array_eltstate_t *));
+extern char *get_array_value PARAMS((const char *, int, array_eltstate_t *));
+
+extern char *array_keys PARAMS((char *, int, int));
+
+extern char *array_variable_name PARAMS((const char *, int, char **, int *));
+extern SHELL_VAR *array_variable_part PARAMS((const char *, int, char **, int *));
+
+extern void init_eltstate (array_eltstate_t *);
+extern void flush_eltstate (array_eltstate_t *);
+
+#else
+
+#define AV_ALLOWALL	0
+#define AV_QUOTED	0
+#define AV_USEIND	0
+#define AV_USEVAL	0
+#define AV_ASSIGNRHS	0
+#define AV_NOEXPAND	0
+#define AV_ONEWORD	0
+#define AV_ATSTARKEYS	0
+
+#define VA_NOEXPAND	0
+#define VA_ONEWORD	0
+#define VA_ALLOWALL	0
+
+#endif
+
+#endif /* !_ARRAYFUNC_H_ */