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separate function to check a valid piece character - chess-puzzles - chess puzz… |
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git clone git://git.codemadness.org/chess-puzzles |
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--- |
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commit 09a541233ed6f1abf9f4498b37d1281a78f65ce8 |
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parent 5df80ee4eebb2000bcac5530f58e6c84e9b92818 |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Tue, 19 Dec 2023 00:31:34 +0100 |
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separate function to check a valid piece character |
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Diffstat: |
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M fen_to_svg.c | 12 ++++++++++-- |
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1 file changed, 10 insertions(+), 2 deletions(-) |
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--- |
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diff --git a/fen_to_svg.c b/fen_to_svg.c |
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@@ -184,11 +184,19 @@ showboard(void) |
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} |
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int |
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+isvalidpiece(int c) |
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+{ |
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+ static char pieces[] = "PNBRQKpnbrqk"; |
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+ |
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+ return strchr(pieces, c) ? 1 : 0; |
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+} |
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+ |
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+int |
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main(int argc, char *argv[]) |
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{ |
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const char *fen, *moves, *s; |
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int x, y, x2, y2, field, piece; |
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- char pieces[] = "PNBRQKpnbrqk", square[3]; |
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+ char square[3]; |
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if (argc != 3) { |
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fprintf(stderr, "usage: %s <FEN> <moves>\n", argv[0]); |
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@@ -223,7 +231,7 @@ main(int argc, char *argv[]) |
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continue; |
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} |
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/* is piece? place it */ |
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- if (strchr(pieces, *s)) |
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+ if (isvalidpiece(*s)) |
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place(*s, x++, y); |
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break; |
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case 1: /* active color */ |
