/* input.h -- Structures and unions used for reading input. */
-/* Copyright (C) 1993 Free Software Foundation, Inc.
+
+/* Copyright (C) 1993-2009 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 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.
+ 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 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 (_INPUT_H_)
#define _INPUT_H_
# define _FUNCTION_DEF
typedef int Function ();
typedef void VFunction ();
-typedef char *CPFunction ();
-typedef char **CPPFunction ();
+typedef char *CPFunction (); /* no longer used */
+typedef char **CPPFunction (); /* no longer used */
#endif /* _FUNCTION_DEF */
+typedef int sh_cget_func_t __P((void)); /* sh_ivoidfunc_t */
+typedef int sh_cunget_func_t __P((int)); /* sh_intfunc_t */
+
enum stream_type {st_none, st_stdin, st_stream, st_string, st_bstream};
#if defined (BUFFERED_INPUT)
/* Possible values for b_flag. */
-#define B_EOF 0x1
-#define B_ERROR 0x2
-#define B_UNBUFF 0x4
+#undef B_EOF
+#undef B_ERROR /* There are some systems with this define */
+#undef B_UNBUFF
+
+#define B_EOF 0x01
+#define B_ERROR 0x02
+#define B_UNBUFF 0x04
+#define B_WASBASHINPUT 0x08
+#define B_TEXT 0x10
/* A buffered stream. Like a FILE *, but with our own buffering and
synchronization. Look in input.c for the implementation. */
typedef struct BSTREAM
{
- int b_fd;
+ int b_fd;
char *b_buffer; /* The buffer that holds characters read. */
- int b_size; /* How big the buffer is. */
- int b_used; /* How much of the buffer we're using, */
- int b_flag; /* Flag values. */
- int b_inputp; /* The input pointer, index into b_buffer. */
+ size_t b_size; /* How big the buffer is. */
+ size_t b_used; /* How much of the buffer we're using, */
+ int b_flag; /* Flag values. */
+ size_t b_inputp; /* The input pointer, index into b_buffer. */
} BUFFERED_STREAM;
+#if 0
extern BUFFERED_STREAM **buffers;
-
-extern BUFFERED_STREAM *fd_to_buffered_stream ();
+#endif
extern int default_buffered_input;
enum stream_type type;
char *name;
INPUT_STREAM location;
- Function *getter;
- Function *ungetter;
+ sh_cget_func_t *getter;
+ sh_cunget_func_t *ungetter;
} BASH_INPUT;
extern BASH_INPUT bash_input;
-/* Functions from parse.y. */
+/* Functions from parse.y whose use directly or indirectly depends on the
+ definitions in this file. */
extern void initialize_bash_input __P((void));
-extern void init_yy_io __P((Function *, Function *, enum stream_type, char *, INPUT_STREAM));
+extern void init_yy_io __P((sh_cget_func_t *, sh_cunget_func_t *, enum stream_type, const char *, INPUT_STREAM));
+extern char *yy_input_name __P((void));
extern void with_input_from_stdin __P((void));
-extern void with_input_from_string __P((char *, char *));
-extern void with_input_from_stream __P((FILE *, char *));
+extern void with_input_from_string __P((char *, const char *));
+extern void with_input_from_stream __P((FILE *, const char *));
extern void push_stream __P((int));
extern void pop_stream __P((void));
extern int stream_on_stack __P((enum stream_type));
extern char *read_secondary_line __P((int));
extern int find_reserved_word __P((char *));
-extern char *decode_prompt_string __P((char *));
extern void gather_here_documents __P((void));
-extern void execute_prompt_command __P((char *));
+extern void execute_variable_command __P((char *, char *));
+
+extern int *save_token_state __P((void));
+extern void restore_token_state __P((int *));
/* Functions from input.c */
-extern int getc_with_restart ();
-extern int ungetc_with_restart ();
+extern int getc_with_restart __P((FILE *));
+extern int ungetc_with_restart __P((int, FILE *));
#if defined (BUFFERED_INPUT)
/* Functions from input.c. */
+extern int fd_is_bash_input __P((int));
+extern int set_bash_input_fd __P((int));
+extern int save_bash_input __P((int, int));
extern int check_bash_input __P((int));
extern int duplicate_buffered_stream __P((int, int));
extern BUFFERED_STREAM *fd_to_buffered_stream __P((int));
+extern BUFFERED_STREAM *set_buffered_stream __P((int, BUFFERED_STREAM *));
extern BUFFERED_STREAM *open_buffered_stream __P((char *));
extern void free_buffered_stream __P((BUFFERED_STREAM *));
extern int close_buffered_stream __P((BUFFERED_STREAM *));
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