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path: root/libcharconv_shogi.c
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/* See LICENSE file for copyright and license details. */
#include "lib-common.h"


enum libcharconv_result
libcharconv_shogi(const char *s, size_t slen, size_t *n, uint_least32_t *cp, size_t *ncp)
{
	uint_least32_t c;
	*n = 0;
	for (; slen--; s++, ++*n) {
		PLAIN_SINGLE('w', 0x2616);
		PLAIN_SINGLE('b', 0x2617);
		PLAIN_SINGLE('W', 0x2619);
		PLAIN_SINGLE('B', 0x261A);
	}
no_conv:
	return LIBCHARCONV_NO_CONVERT;

conv:
	if (*n)
		goto no_conv;
	if (*ncp)
		*cp = c;
	*n += 1u;
	*ncp = 1u;
	return LIBCHARCONV_CONVERTED;
}