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/* Implement the stpncpy function. |
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Copyright (C) 2003, 2011 Free Software Foundation, Inc. |
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Written by Kaveh R. Ghazi . |
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This file is part of the libiberty library. |
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Libiberty is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Library General Public |
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License as published by the Free Software Foundation; either |
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version 2 of the License, or (at your option) any later version. |
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Libiberty is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Library General Public License for more details. |
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You should have received a copy of the GNU Library General Public |
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License along with libiberty; see the file COPYING.LIB. If |
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not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, |
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Boston, MA 02110-1301, USA. */ |
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/* |
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@deftypefn Supplemental char* stpncpy (char *@var{dst}, const char *@var{src}, @ |
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size_t @var{len}) |
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Copies the string @var{src} into @var{dst}, copying exactly @var{len} |
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and padding with zeros if necessary. If @var{len} < strlen(@var{src}) |
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then return @var{dst} + @var{len}, otherwise returns @var{dst} + |
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strlen(@var{src}). |
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@end deftypefn |
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*/ |
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#include |
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#include |
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extern size_t strlen (const char *); |
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extern char *strncpy (char *, const char *, size_t); |
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char * |
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stpncpy (char *dst, const char *src, size_t len) |
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{ |
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size_t n = strlen (src); |
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if (n > len) |
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n = len; |
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return strncpy (dst, src, len) + n; |
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} |