Mercurial > hg > CbC > CbC_gcc
comparison libiberty/stpncpy.c @ 0:a06113de4d67
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author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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children | f6334be47118 |
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1 /* Implement the stpncpy function. | |
2 Copyright (C) 2003 Free Software Foundation, Inc. | |
3 Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>. | |
4 | |
5 This file is part of the libiberty library. | |
6 Libiberty is free software; you can redistribute it and/or | |
7 modify it under the terms of the GNU Library General Public | |
8 License as published by the Free Software Foundation; either | |
9 version 2 of the License, or (at your option) any later version. | |
10 | |
11 Libiberty is distributed in the hope that it will be useful, | |
12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 Library General Public License for more details. | |
15 | |
16 You should have received a copy of the GNU Library General Public | |
17 License along with libiberty; see the file COPYING.LIB. If | |
18 not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, | |
19 Boston, MA 02110-1301, USA. */ | |
20 | |
21 /* | |
22 | |
23 @deftypefn Supplemental char* stpncpy (char *@var{dst}, const char *@var{src}, size_t @var{len}) | |
24 | |
25 Copies the string @var{src} into @var{dst}, copying exactly @var{len} | |
26 and padding with zeros if necessary. If @var{len} < strlen(@var{src}) | |
27 then return @var{dst} + @var{len}, otherwise returns @var{dst} + | |
28 strlen(@var{src}). | |
29 | |
30 @end deftypefn | |
31 | |
32 */ | |
33 | |
34 #include <ansidecl.h> | |
35 #include <stddef.h> | |
36 | |
37 extern size_t strlen (const char *); | |
38 extern char *strncpy (char *, const char *, size_t); | |
39 | |
40 char * | |
41 stpncpy (char *dst, const char *src, size_t len) | |
42 { | |
43 size_t n = strlen (src); | |
44 if (n > len) | |
45 n = len; | |
46 return strncpy (dst, src, len) + n; | |
47 } |