Adding upstream version 5.2.15.upstream/5.2.15upstream

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

1 files changed, 240 insertions, 0 deletions

diff --git a/shell.h b/shell.h
new file mode 100644
index 0000000..6e44bca
--- /dev/null
+++ b/shell.h
@@ -0,0 +1,240 @@
+/* shell.h -- The data structures used by the shell */
+
+/* Copyright (C) 1993-2021 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/>.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "bashjmp.h"
+
+#include "command.h"
+#include "syntax.h"
+#include "general.h"
+#include "error.h"
+#include "variables.h"
+#include "arrayfunc.h"
+#include "quit.h"
+#include "maxpath.h"
+#include "unwind_prot.h"
+#include "dispose_cmd.h"
+#include "make_cmd.h"
+#include "ocache.h"
+#include "subst.h"
+#include "sig.h"
+#include "pathnames.h"
+#include "externs.h"
+
+extern int EOF_Reached;
+
+#define NO_PIPE -1
+#define REDIRECT_BOTH -2
+
+#define NO_VARIABLE -1
+
+/* Values that can be returned by execute_command (). */
+#define EXECUTION_FAILURE 1
+#define EXECUTION_SUCCESS 0
+
+/* Usage messages by builtins result in a return status of 2. */
+#define EX_BADUSAGE	2
+
+#define EX_MISCERROR	2
+
+/* Special exit statuses used by the shell, internally and externally. */
+#define EX_RETRYFAIL	124
+#define EX_WEXPCOMSUB	125
+#define EX_BINARY_FILE	126
+#define EX_NOEXEC	126
+#define EX_NOINPUT	126
+#define EX_NOTFOUND	127
+
+#define EX_SHERRBASE	256	/* all special error values are > this. */
+
+#define EX_BADSYNTAX	257	/* shell syntax error */
+#define EX_USAGE	258	/* syntax error in usage */
+#define EX_REDIRFAIL	259	/* redirection failed */
+#define EX_BADASSIGN	260	/* variable assignment error */
+#define EX_EXPFAIL	261	/* word expansion failed */
+#define EX_DISKFALLBACK	262	/* fall back to disk command from builtin */
+
+/* Flag values that control parameter pattern substitution. */
+#define MATCH_ANY	0x000
+#define MATCH_BEG	0x001
+#define MATCH_END	0x002
+
+#define MATCH_TYPEMASK	0x003
+
+#define MATCH_GLOBREP	0x010
+#define MATCH_QUOTED	0x020
+#define MATCH_ASSIGNRHS	0x040
+#define MATCH_STARSUB	0x080
+#define MATCH_EXPREP	0x100	/* for pattern substitution, expand replacement */
+
+/* Some needed external declarations. */
+extern char **shell_environment;
+extern WORD_LIST *rest_of_args;
+
+/* Generalized global variables. */
+extern char *command_execution_string;
+
+extern int debugging_mode;
+extern int executing, login_shell;
+extern int interactive, interactive_shell;
+extern int startup_state;
+extern int reading_shell_script;
+extern int shell_initialized;
+extern int bash_argv_initialized;
+extern int subshell_environment;
+extern int current_command_number;
+extern int indirection_level;
+extern int shell_compatibility_level;
+extern int running_under_emacs;
+
+extern int posixly_correct;
+extern int no_line_editing;
+
+extern char *shell_name;
+extern char *current_host_name;
+
+extern int subshell_argc;
+extern char **subshell_argv;
+extern char **subshell_envp;
+
+/* variables managed using shopt */
+extern int hup_on_exit;
+extern int check_jobs_at_exit;
+extern int autocd;
+extern int check_window_size;
+
+/* from version.c */
+extern int build_version, patch_level;
+extern char *dist_version, *release_status;
+
+extern int locale_mb_cur_max;
+extern int locale_utf8locale;
+
+/* Structure to pass around that holds a bitmap of file descriptors
+   to close, and the size of that structure.  Used in execute_cmd.c. */
+struct fd_bitmap {
+  int size;
+  char *bitmap;
+};
+
+#define FD_BITMAP_SIZE 32
+
+#define CTLESC '\001'
+#define CTLNUL '\177'
+
+/* Information about the current user. */
+struct user_info {
+  uid_t uid, euid;
+  gid_t gid, egid;
+  char *user_name;
+  char *shell;		/* shell from the password file */
+  char *home_dir;
+};
+
+extern struct user_info current_user;
+
+/* Force gcc to not clobber X on a longjmp().  Old versions of gcc mangle
+   this badly. */
+#if (__GNUC__ > 2) || (__GNUC__ == 2 && __GNUC_MINOR__ > 8)
+#  define USE_VAR(x)	((void) &(x))
+#else
+#  define USE_VAR(x)
+#endif
+
+#define HEREDOC_MAX 16
+
+/* Structure in which to save partial parsing state when doing things like
+   PROMPT_COMMAND and bash_execute_unix_command execution. */
+
+typedef struct _sh_parser_state_t
+{
+  /* parsing state */
+  int parser_state;
+  int *token_state;
+
+  char *token;
+  size_t token_buffer_size;
+  int eof_token;
+
+  /* input line state -- line number saved elsewhere */
+  int input_line_terminator;
+  int eof_encountered;
+  int eol_lookahead;
+
+#if defined (HANDLE_MULTIBYTE)
+  /* Nothing right now for multibyte state, but might want something later. */
+#endif
+
+  char **prompt_string_pointer;
+
+  /* history state affecting or modified by the parser */
+  int current_command_line_count;
+#if defined (HISTORY)
+  int remember_on_history;
+  int history_expansion_inhibited;
+#endif
+
+  /* execution state possibly modified by the parser */
+  int last_command_exit_value;
+#if defined (ARRAY_VARS)
+  ARRAY *pipestatus;
+#endif
+  sh_builtin_func_t *last_shell_builtin, *this_shell_builtin;
+
+  /* flags state affecting the parser */
+  int expand_aliases;
+  int echo_input_at_read;
+  int need_here_doc;
+  int here_doc_first_line;
+
+  int esacs_needed;
+  int expecting_in;
+
+  /* structures affecting the parser */
+  void *pushed_strings;
+  REDIRECT *redir_stack[HEREDOC_MAX];
+} sh_parser_state_t;
+
+typedef struct _sh_input_line_state_t
+{
+  char *input_line;
+  size_t input_line_index;
+  size_t input_line_size;
+  size_t input_line_len;
+#if defined (HANDLE_MULTIBYTE)
+  char *input_property;
+  size_t input_propsize;
+#endif
+} sh_input_line_state_t;
+
+/* Let's try declaring these here. */
+extern void shell_ungets PARAMS((char *));
+extern void rewind_input_string PARAMS((void));
+
+extern char *parser_remaining_input PARAMS((void));
+
+extern sh_parser_state_t *save_parser_state PARAMS((sh_parser_state_t *));
+extern void restore_parser_state PARAMS((sh_parser_state_t *));
+
+extern sh_input_line_state_t *save_input_line_state PARAMS((sh_input_line_state_t *));
+extern void restore_input_line_state PARAMS((sh_input_line_state_t *));