xref: /freebsd/contrib/bc/include/read.h (revision ae41709ab46305df80f7f35bb478a3c8ebf22ebb)
1 /*
2  * *****************************************************************************
3  *
4  * SPDX-License-Identifier: BSD-2-Clause
5  *
6  * Copyright (c) 2018-2020 Gavin D. Howard and contributors.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are met:
10  *
11  * * Redistributions of source code must retain the above copyright notice, this
12  *   list of conditions and the following disclaimer.
13  *
14  * * Redistributions in binary form must reproduce the above copyright notice,
15  *   this list of conditions and the following disclaimer in the documentation
16  *   and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  *
30  * *****************************************************************************
31  *
32  * Code to handle special I/O for bc.
33  *
34  */
35 
36 #ifndef BC_READ_H
37 #define BC_READ_H
38 
39 #include <stdlib.h>
40 
41 #include <status.h>
42 #include <vector.h>
43 
44 #ifndef BC_ENABLE_PROMPT
45 #define BC_ENABLE_PROMPT (1)
46 #endif // BC_ENABLE_PROMPT
47 
48 #if !BC_ENABLE_PROMPT
49 #define bc_read_line(vec, prompt) bc_read_line(vec)
50 #define bc_read_chars(vec, prompt) bc_read_chars(vec)
51 #endif // BC_ENABLE_PROMPT
52 
53 #define BC_READ_BIN_CHAR(c) (((c) < ' ' && !isspace((c))) || ((uchar) c) > '~')
54 
55 BcStatus bc_read_line(BcVec *vec, const char *prompt);
56 void bc_read_file(const char *path, char **buf);
57 BcStatus bc_read_chars(BcVec *vec, const char *prompt);
58 bool bc_read_buf(BcVec *vec, char *buf, size_t *buf_len);
59 
60 #endif // BC_READ_H
61