2 * *****************************************************************************
4 * SPDX-License-Identifier: BSD-2-Clause
6 * Copyright (c) 2018-2021 Gavin D. Howard and contributors.
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30 * *****************************************************************************
32 * Code to handle special I/O for bc.
45 * Returns true if @a c is a non-ASCII (invalid) char.
46 * @param c The character to test.
47 * @return True if @a c is an invalid char.
49 #define BC_READ_BIN_CHAR(c) (!(c))
52 * Reads a line from stdin after printing prompt, if desired.
53 * @param vec The vector to put the stdin data into.
54 * @param prompt The prompt to print, if desired.
56 BcStatus bc_read_line(BcVec *vec, const char *prompt);
59 * Read a file and return a buffer with the data. The buffer must be freed by
61 * @param path The path to the file to read.
63 char* bc_read_file(const char *path);
66 * Helper function for reading characters from stdin. This takes care of a bunch
67 * of complex error handling. Thus, it returns a status instead of throwing an
68 * error, except for fatal errors.
69 * @param vec The vec to put the stdin into.
70 * @param prompt The prompt to print, if desired.
72 BcStatus bc_read_chars(BcVec *vec, const char *prompt);
75 * Read a line from buf into vec.
76 * @param vec The vector to read data into.
77 * @param buf The buffer to read from.
78 * @param buf_len The length of the buffer.
80 bool bc_read_buf(BcVec *vec, char *buf, size_t *buf_len);