when moving the king or castling remove the ability to castle - chess-puzzles - chess puzzle book generator
(HTM) git clone git://git.codemadness.org/chess-puzzles
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---
(DIR) commit aaac499d48085948814415956d3eb4ded33eb704
(DIR) parent dab21427a28e5561843d56cb4de324cddd4c53c7
(HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Wed, 20 Dec 2023 19:26:30 +0100
when moving the king or castling remove the ability to castle
+ a pedantic ctype fix.
Diffstat:
M fen_to_svg.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
---
(DIR) diff --git a/fen_to_svg.c b/fen_to_svg.c
@@ -559,6 +559,8 @@ main(int argc, char *argv[])
y2 = 7;
place(0, x2, y2);
}
+ /* remove the ability to castle */
+ white_can_castle[0] = white_can_castle[1] = 0;
} else if (piece == 'k' && y == 0 && y2 == 0 && x == 4) {
/* black: kingside castling: "e8g8" */
if (x2 == 6) {
@@ -573,12 +575,14 @@ main(int argc, char *argv[])
y2 = 0;
place(0, x2, y2); /* clear rook square */
}
+ /* remove the ability to castle */
+ black_can_castle[0] = black_can_castle[1] = 0;
}
/* possible promotion: queen, knight, bishop */
if (*s == 'q' || *s == 'n' || *s == 'b') {
if (side_to_move == 'w')
- piece = toupper(*s);
+ piece = toupper((unsigned char)*s);
else
piece = *s;
place(piece, x2, y2);