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-rw-r--r--libcharconv_chess_white.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/libcharconv_chess_white.c b/libcharconv_chess_white.c
new file mode 100644
index 0000000..1c72e26
--- /dev/null
+++ b/libcharconv_chess_white.c
@@ -0,0 +1,42 @@
+/* See LICENSE file for copyright and license details. */
+#include "lib-common.h"
+
+
+enum libcharconv_result
+libcharconv_chess_white(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': c = UINT32_C(0x2654); goto conv;
+ case 'q': c = UINT32_C(0x2655); goto conv;
+ case 'r': c = UINT32_C(0x2656); goto conv;
+ case 'b': c = UINT32_C(0x2657); goto conv;
+ case 'n': c = UINT32_C(0x2658); goto conv;
+ case 'p': c = UINT32_C(0x2659); goto conv;
+ case 'e': c = UINT32_C(0x1FA48); goto conv;
+ case 'K': c = UINT32_C(0x265A); goto conv;
+ case 'Q': c = UINT32_C(0x265B); goto conv;
+ case 'R': c = UINT32_C(0x265C); goto conv;
+ case 'B': c = UINT32_C(0x265D); goto conv;
+ case 'N': c = UINT32_C(0x265E); goto conv;
+ case 'P': c = UINT32_C(0x265F); goto conv;
+ case 'E': c = UINT32_C(0x1FA49); 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;
+}