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Made maximum rows more limited to avoid bugs

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This commit is contained in:
AnnaSnoeijs 2025-08-14 20:21:06 +02:00
parent 214112ad17
commit 72a56a15d7
2 changed files with 7 additions and 7 deletions
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4
connect4.c
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@ -114,7 +114,7 @@ int main( int argc, char *argv[] ){
"\n"
" -o file --output file Ouput moves taken in game to file\n"
"\n"
" --slow-calcwins Use the 32bit reference implementation of calcWins()\n"
" --slow-calcwins Use the reference implementation of calcWins()\n"
" --random-moves Play random moves instead of asking for input\n"
);
return 0;
@ -150,7 +150,7 @@ int main( int argc, char *argv[] ){
fprintf( stderr, "ERR: AMOUT OF ROWS MUST BE AT LEAST 1\n" );
return -1;
}
#define ROWOVERFLOW (rowsint_t)( sizeof(column_t) * CHAR_BIT )
#define ROWOVERFLOW (rowsint_t)( sizeof(column_t) * CHAR_BIT - 1 )
if( playboard.rows >= ROWOVERFLOW ){
fprintf( stderr,
"ERR: AMOUT OF ROWS MUST BE LESS THAN %d\n", ROWOVERFLOW

10
types.h
View file

@ -5,13 +5,13 @@
#include <limits.h>
#include "config.h"
// Use fastest available ints unless it's 64 bits because that uses more memory
// Use fastest available ints unless it's 64 bits because that is doing silly
#if INT_FAST16_MAX == INT_FAST64_MAX
typedef int rowsint_t;
typedef unsigned columnsint_t;
typedef int rowsint_t;
typedef unsigned columnsint_t;
#define QUITCOLUMN UINT_MAX
typedef unsigned winint_t;
typedef uintmax_t column_t;
typedef unsigned winint_t;
typedef unsigned column_t;
#else
typedef int_fast8_t rowsint_t;
typedef uint_fast8_t columnsint_t;