rstrncat.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 57 行

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*                            Open Watcom Project
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#include "widechar.h"
#include <string.h>
#include "riscstr.h"


CHAR_TYPE *__F_NAME(strncat,wcsncat)( CHAR_TYPE *dest, const CHAR_TYPE *src,
                                      size_t n )
/**************************************************************************/
{
    size_t              srcLen;
    size_t              destLen;

    srcLen = __F_NAME(strlen,wcslen)( src );
    destLen = __F_NAME(strlen,wcslen)( dest );

    if( srcLen < n ) {
        __F_NAME(strncpy,wcsncpy)( dest+destLen, src, srcLen+1 );
    } else {
        __F_NAME(strncpy,wcsncpy)( dest+destLen, src, n );
        dest[destLen+n] = '\0';
    }

    return( dest );
}