Mercurial > hg > terminal-chess / file comparison
comparison: src/chess/rules.c
src/chess/rules.c
- changeset 21
- 2e5846019b4f
- parent 19
- 6a26114297a1
- child 23
- 824c9522ce66
equal
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| 20:fd1eb081de40 | 21:2e5846019b4f |
|---|---|
| 122 _Bool validate_move(Board board, Move *move) { | 122 _Bool validate_move(Board board, Move *move) { |
| 123 _Bool result; | 123 _Bool result; |
| 124 | 124 |
| 125 /* validate indices (don't trust opponent) */ | 125 /* validate indices (don't trust opponent) */ |
| 126 if (!chkidx(move)) { | 126 if (!chkidx(move)) { |
| 127 return 0; | |
| 128 } | |
| 129 | |
| 130 /* must move */ | |
| 131 if (move->fromfile == move->tofile && move->fromrow == move->torow) { | |
| 127 return 0; | 132 return 0; |
| 128 } | 133 } |
| 129 | 134 |
| 130 /* does piece exist */ | 135 /* does piece exist */ |
| 131 result = msrc(board, move) == move->piece; | 136 result = msrc(board, move) == move->piece; |
