Mercurial > hg > terminal-chess / file comparison
comparison: src/chess/rules.h
src/chess/rules.h
- changeset 153
- bad2d6d4b861
- parent 147
- 7e3f2d462bb6
- child 154
- 5336e985bd69
equal
deleted
inserted
replaced
| 152:231e5f07a657 | 153:bad2d6d4b861 |
|---|---|
| 143 | 143 |
| 144 #define POS_UNSPECIFIED UINT8_MAX | 144 #define POS_UNSPECIFIED UINT8_MAX |
| 145 #define mdst(b,m) b[(m)->torow][(m)->tofile] | 145 #define mdst(b,m) b[(m)->torow][(m)->tofile] |
| 146 #define msrc(b,m) b[(m)->fromrow][(m)->fromfile] | 146 #define msrc(b,m) b[(m)->fromrow][(m)->fromfile] |
| 147 | 147 |
| 148 /** Checks if the index is specified and valid. */ | |
| 148 #define isidx(idx) ((uint8_t)(idx) < 8) | 149 #define isidx(idx) ((uint8_t)(idx) < 8) |
| 150 /** Checks if the index is unspecified or valid. */ | |
| 151 #define isidxr(idx) ((idx) == POS_UNSPECIFIED || (uint8_t)(idx) < 8) | |
| 149 | 152 |
| 150 #define isfile(file) (file >= 'a' && file <= 'h') | 153 #define isfile(file) (file >= 'a' && file <= 'h') |
| 151 #define isrow(row) (row >= '1' && row <= '8') | 154 #define isrow(row) (row >= '1' && row <= '8') |
| 152 | 155 |
| 153 #define rowidx(row) (row-'1') | 156 #define rowidx(row) (row-'1') |
| 154 #define fileidx(file) (file-'a') | 157 #define fileidx(file) (file-'a') |
| 155 | 158 |
| 156 #define rowchr(row) (row+'1') | 159 #define rowchr(row) (row+'1') |
| 157 #define filechr(file) (file+'a') | 160 #define filechr(file) (file+'a') |
| 158 | |
| 159 #define chkidx_from(move) (isidx((move)->fromfile) && isidx((move)->fromrow)) | |
| 160 #define chkidx_to(move) (isidx((move)->tofile) && isidx((move)->torow)) | |
| 161 #define chkidx(move) (chkidx_from(move) && chkidx_to(move)) | |
| 162 | 161 |
| 163 /* secure versions - use, if index is not checked with isidx() */ | 162 /* secure versions - use, if index is not checked with isidx() */ |
| 164 #define fileidx_s(c) (isfile(c)?fileidx(c):POS_UNSPECIFIED) | 163 #define fileidx_s(c) (isfile(c)?fileidx(c):POS_UNSPECIFIED) |
| 165 #define rowidx_s(c) (isrow(c)?rowidx(c):POS_UNSPECIFIED) | 164 #define rowidx_s(c) (isrow(c)?rowidx(c):POS_UNSPECIFIED) |
| 166 | 165 |
