xref: /netbsd-src/external/mit/libuv/dist/src/strscpy.h (revision 5f2f42719cd62ff11fd913b40b7ce19f07c4fd25)
1*5f2f4271Schristos /* Copyright libuv project contributors. All rights reserved.
2*5f2f4271Schristos  *
3*5f2f4271Schristos  * Permission is hereby granted, free of charge, to any person obtaining a copy
4*5f2f4271Schristos  * of this software and associated documentation files (the "Software"), to
5*5f2f4271Schristos  * deal in the Software without restriction, including without limitation the
6*5f2f4271Schristos  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7*5f2f4271Schristos  * sell copies of the Software, and to permit persons to whom the Software is
8*5f2f4271Schristos  * furnished to do so, subject to the following conditions:
9*5f2f4271Schristos  *
10*5f2f4271Schristos  * The above copyright notice and this permission notice shall be included in
11*5f2f4271Schristos  * all copies or substantial portions of the Software.
12*5f2f4271Schristos  *
13*5f2f4271Schristos  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14*5f2f4271Schristos  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15*5f2f4271Schristos  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16*5f2f4271Schristos  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17*5f2f4271Schristos  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18*5f2f4271Schristos  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19*5f2f4271Schristos  * IN THE SOFTWARE.
20*5f2f4271Schristos  */
21*5f2f4271Schristos 
220e552da7Schristos #ifndef UV_STRSCPY_H_
230e552da7Schristos #define UV_STRSCPY_H_
240e552da7Schristos 
250e552da7Schristos /* Include uv.h for its definitions of size_t and ssize_t.
260e552da7Schristos  * size_t can be obtained directly from <stddef.h> but ssize_t requires
270e552da7Schristos  * some hoop jumping on Windows that I didn't want to duplicate here.
280e552da7Schristos  */
290e552da7Schristos #include "uv.h"
300e552da7Schristos 
31*5f2f4271Schristos /* Copies up to |n-1| bytes from |s| to |d| and always zero-terminates
320e552da7Schristos  * the result, except when |n==0|. Returns the number of bytes copied
330e552da7Schristos  * or UV_E2BIG if |d| is too small.
340e552da7Schristos  *
350e552da7Schristos  * See https://www.kernel.org/doc/htmldocs/kernel-api/API-strscpy.html
360e552da7Schristos  */
370e552da7Schristos ssize_t uv__strscpy(char* d, const char* s, size_t n);
380e552da7Schristos 
390e552da7Schristos #endif  /* UV_STRSCPY_H_ */
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