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 #include "strscpy.h"
230e552da7Schristos #include <limits.h> /* SSIZE_MAX */
240e552da7Schristos
uv__strscpy(char * d,const char * s,size_t n)250e552da7Schristos ssize_t uv__strscpy(char* d, const char* s, size_t n) {
260e552da7Schristos size_t i;
270e552da7Schristos
280e552da7Schristos for (i = 0; i < n; i++)
290e552da7Schristos if ('\0' == (d[i] = s[i]))
300e552da7Schristos return i > SSIZE_MAX ? UV_E2BIG : (ssize_t) i;
310e552da7Schristos
320e552da7Schristos if (i == 0)
330e552da7Schristos return 0;
340e552da7Schristos
350e552da7Schristos d[--i] = '\0';
360e552da7Schristos
370e552da7Schristos return UV_E2BIG;
380e552da7Schristos }
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