/*** *strncpy.c - copy at most n characters of string * * Copyright (c) 1985-2001, Microsoft Corporation. All rights reserved. * *Purpose: * defines strncpy() - copy at most n characters of string * *Revision History: * 05-31-89 JCR C version created. * 02-27-90 GJF Fixed calling type, #include , fixed * copyright. * 10-02-90 GJF New-style function declarator. * 09-02-93 GJF Replaced _CALLTYPE1 with __cdecl. * *******************************************************************************/ #include #include /*** *char *strncpy(dest, source, count) - copy at most n 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. * * *Entry: * char *dest - pointer to destination * char *source - source string for copy * unsigned count - max number of characters to copy * *Exit: * returns dest * *Exceptions: * *******************************************************************************/ char * __cdecl strncpy ( char * dest, const char * source, size_t count ) { char *start = dest; while (count && (*dest++ = *source++)) /* copy string */ count--; if (count) /* pad out with zeroes */ while (--count) *dest++ = '\0'; return(start); }