/* strlcpy(
   char *_PDCLIB_restrict _Dst,
   const char *_PDCLIB_restrict _Src,
   size_t _DstSize)

   This file is part of the Public Domain C Library (PDCLib).
   Permission is granted to use, modify, and / or redistribute at will.
*/

#include <string.h>

#ifndef REGTEST

#pragma weak strlcpy = _PDCLIB_strlcpy
size_t _PDCLIB_strlcpy(
    char *restrict dst,
    const char *restrict src,
    size_t dstsize);

size_t _PDCLIB_strlcpy(
    char *restrict dst,
    const char *restrict src,
    size_t dstsize)
{
    size_t needed = 0;
    while(needed < dstsize && (dst[needed] = src[needed]))
        needed++;

    while(src[needed++]);

    if (needed > dstsize && dstsize)
      dst[dstsize - 1] = 0;

    return needed;
}

#endif

#ifdef TEST
#include <_PDCLIB_test.h>

int main( void )
{
    char destbuf[10];
    TESTCASE_NOREG( strlcpy(NULL, "a", 0) == 2 );
    TESTCASE_NOREG( strlcpy(destbuf, "a", 10) == 2 );
    TESTCASE_NOREG( strcmp(destbuf, "a") == 0 );
    TESTCASE_NOREG( strlcpy(destbuf, "helloworld", 10) == 11 );
    TESTCASE_NOREG( strcmp(destbuf, "helloworl") == 0 );
    return TEST_RESULTS;
}

#endif