| /* Copyright 2016 The Chromium OS Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include <sys/types.h> |
| |
| /* Checks if a string is valid UTF-8. |
| * |
| * Supports 1 to 4 character UTF-8 sequences. Passes tests here: |
| * https://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt |
| * |
| * Exceptions: The following unicode non-characters are allowed: |
| * U+FFFE, U+FFFF, U+FDD0 - U+FDEF, U+nFFFE (n = 1 - 10), |
| * U+nFFFD (n = 1 - 10). |
| * |
| * Args: |
| * string[in] - a string. |
| * bad_pos[out] - position of the first bad character. |
| * |
| * Returns: |
| * 1 if it is a vlid utf-8 string. 0 otherwise. |
| * bad_pos contains the strlen() of the string if it is |
| * valid. |
| */ |
| int valid_utf8_string(const char *string, size_t *bad_pos); |
| |
| /* Checks if a string is a valid utf-8 string. |
| * |
| * Args: |
| * string[in] - a string. |
| * |
| * Returns: |
| * 1 if it is a valid utf-8 string. 0 otherwise. |
| */ |
| int is_utf8_string(const char *string); |
