xref: /freebsd/contrib/bc/include/file.h (revision cfd6422a5217410fbd66f7a7a8a64d9d85e61229)
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  * Definitions for implementing buffered I/O on my own terms.
33  *
34  */
35 
36 #ifndef BC_FILE_H
37 #define BC_FILE_H
38 
39 #include <stdarg.h>
40 
41 #include <vector.h>
42 
43 #define BC_FILE_ULL_LENGTH (21)
44 
45 typedef struct BcFile {
46 
47 	int fd;
48 	char *buf;
49 	size_t len;
50 	size_t cap;
51 
52 } BcFile;
53 
54 void bc_file_init(BcFile *f, int fd, char *buf, size_t cap);
55 void bc_file_free(BcFile *f);
56 
57 void bc_file_putchar(BcFile *restrict f, uchar c);
58 BcStatus bc_file_flushErr(BcFile *restrict f);
59 void bc_file_flush(BcFile *restrict f);
60 void bc_file_write(BcFile *restrict f, const char *buf, size_t n);
61 void bc_file_printf(BcFile *restrict f, const char *fmt, ...);
62 void bc_file_vprintf(BcFile *restrict f, const char *fmt, va_list args);
63 void bc_file_puts(BcFile *restrict f, const char *str);
64 
65 #endif // BC_FILE_H
66