diff options
Diffstat (limited to '')
| -rw-r--r-- | libcharconv_chess_neutral.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libcharconv_chess_neutral.c b/libcharconv_chess_neutral.c new file mode 100644 index 0000000..04f548d --- /dev/null +++ b/libcharconv_chess_neutral.c @@ -0,0 +1,35 @@ +/* See LICENSE file for copyright and license details. */ +#include "lib-common.h" + + +enum libcharconv_result +libcharconv_chess_neutral(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++) { + switch (*s) { + case 'k': case 'K': c = UINT32_C(0x1FA00); goto conv; + case 'q': case 'Q': c = UINT32_C(0x1FA01); goto conv; + case 'r': case 'R': c = UINT32_C(0x1FA02); goto conv; + case 'b': case 'B': c = UINT32_C(0x1FA03); goto conv; + case 'n': case 'N': c = UINT32_C(0x1FA04); goto conv; + case 'p': case 'P': c = UINT32_C(0x1FA05); goto conv; + case 'e': case 'E': c = UINT32_C(0x1FA4A); goto conv; + default: + *n += 1u; + break; + } + } +no_conv: + return LIBCHARCONV_NO_CONVERT; + +conv: + if (*n) + goto no_conv; + if (*ncp) + *cp = c; + *n += 1u; + *ncp = 1u; + return LIBCHARCONV_CONVERTED; +} |