/src/server/strings/strnmov.c
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1 | | /* Copyright (c) 2000 TXT DataKonsult Ab & Monty Program Ab |
2 | | Copyright (c) 2009-2011, Monty Program Ab |
3 | | |
4 | | Redistribution and use in source and binary forms, with or without |
5 | | modification, are permitted provided that the following conditions are |
6 | | met: |
7 | | |
8 | | 1. Redistributions of source code must retain the above copyright |
9 | | notice, this list of conditions and the following disclaimer. |
10 | | |
11 | | 2. Redistributions in binary form must the following disclaimer in |
12 | | the documentation and/or other materials provided with the |
13 | | distribution. |
14 | | |
15 | | THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND ANY |
16 | | EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
17 | | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
18 | | PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR |
19 | | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
20 | | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
21 | | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
22 | | USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
23 | | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
24 | | OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
25 | | OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
26 | | SUCH DAMAGE. |
27 | | */ |
28 | | |
29 | | /* |
30 | | strnmov(dst,src,length) moves length characters, or until end, of src to |
31 | | dst and appends a closing NUL to dst if src is shorter than length. |
32 | | The result is a pointer to the first NUL in dst, or is dst+n if dst was |
33 | | truncated. |
34 | | */ |
35 | | |
36 | | #include "strings_def.h" |
37 | | |
38 | | char *strnmov(register char *dst, register const char *src, size_t n) |
39 | 0 | { |
40 | 0 | while (n-- != 0) { |
41 | 0 | if (!(*dst++ = *src++)) { |
42 | 0 | return (char*) dst-1; |
43 | 0 | } |
44 | 0 | } |
45 | 0 | return dst; |
46 | 0 | } |