/*** *wcsncpy.c - copy at most n characters of wide-character string * * Copyright (c) 1985-2001, Microsoft Corporation. All rights reserved. * *Purpose: * defines wcsncpy() - copy at most n characters of wchar_t string * *Revision History: * 09-09-91 ETC Created from strncpy.c. * 04-07-92 KRS Updated and ripped out _INTL switches. * 04-06-93 SKS Replace _CRTAPI* with __cdecl * 02-07-94 CFW POSIXify. * *******************************************************************************/ #ifndef _POSIX_ #include #include /*** *wchar_t *wcsncpy(dest, source, count) - copy at most n wide characters * *Purpose: * Copies count characters from the source string to the * destination. If count is less than the length of source, * NO NULL CHARACTER is put onto the end of the copied string. * If count is greater than the length of sources, dest is padded * with null characters to length count (wide-characters). * * *Entry: * wchar_t *dest - pointer to destination * wchar_t *source - source string for copy * size_t count - max number of characters to copy * *Exit: * returns dest * *Exceptions: * *******************************************************************************/ wchar_t * __cdecl wcsncpy ( wchar_t * dest, const wchar_t * source, size_t count ) { wchar_t *start = dest; while (count && (*dest++ = *source++)) /* copy string */ count--; if (count) /* pad out with zeroes */ while (--count) *dest++ = L'\0'; return(start); } #endif /* _POSIX_ */