1169695Skan/* Implement the stpncpy function. 2169695Skan Copyright (C) 2003 Free Software Foundation, Inc. 3169695Skan Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>. 4169695Skan 5169695SkanThis file is part of the libiberty library. 6169695SkanLibiberty is free software; you can redistribute it and/or 7169695Skanmodify it under the terms of the GNU Library General Public 8169695SkanLicense as published by the Free Software Foundation; either 9169695Skanversion 2 of the License, or (at your option) any later version. 10169695Skan 11169695SkanLibiberty is distributed in the hope that it will be useful, 12169695Skanbut WITHOUT ANY WARRANTY; without even the implied warranty of 13169695SkanMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14169695SkanLibrary General Public License for more details. 15169695Skan 16169695SkanYou should have received a copy of the GNU Library General Public 17169695SkanLicense along with libiberty; see the file COPYING.LIB. If 18169695Skannot, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, 19169695SkanBoston, MA 02110-1301, USA. */ 20169695Skan 21169695Skan/* 22169695Skan 23169695Skan@deftypefn Supplemental char* stpncpy (char *@var{dst}, const char *@var{src}, size_t @var{len}) 24169695Skan 25169695SkanCopies the string @var{src} into @var{dst}, copying exactly @var{len} 26169695Skanand padding with zeros if necessary. If @var{len} < strlen(@var{src}) 27169695Skanthen return @var{dst} + @var{len}, otherwise returns @var{dst} + 28169695Skanstrlen(@var{src}). 29169695Skan 30169695Skan@end deftypefn 31169695Skan 32169695Skan*/ 33169695Skan 34169695Skan#include <ansidecl.h> 35169695Skan#include <stddef.h> 36169695Skan 37169695Skanextern size_t strlen (const char *); 38169695Skanextern char *strncpy (char *, const char *, size_t); 39169695Skan 40169695Skanchar * 41169695Skanstpncpy (char *dst, const char *src, size_t len) 42169695Skan{ 43169695Skan size_t n = strlen (src); 44169695Skan if (n > len) 45169695Skan n = len; 46169695Skan return strncpy (dst, src, len) + n; 47169695Skan} 48