src/u16_wcsstr.c


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/*******************************************************************/
/*  u16ports: u16 variants of wide character string functions.     */
/*  Copyright (C) 2017  Z. Gilboa                                  */
/*  Released under the Standard MIT License; see COPYING.U16PORTS. */
/*******************************************************************/

#include <stdint.h>
#include <u16ports/u16ports.h>

uint16_t * u16_wcsstr(const uint16_t * wstr, const uint16_t * wsub)
{
	size_t len;

	if (!(len = u16_wcslen(wsub)))
		return (uint16_t *)wstr;

	for (; *wstr; wstr++)
		if (!(u16_wcsncmp(wstr,wsub,len)))
			return (uint16_t *)wstr;

	return 0;
}