[英]Warning says comparison between pointer and integer in array assignment
char playingfield[4][8] = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
void dropbomb(void)
{
int row = 3 , column = 0;
for(row;row>=0;row--)
{
for(column; column<=8;column++)
{
if(playingfield[row][column] == "#")
{
playingfield[row][column] = "$";
OledSetCursor(column,row);
OledPutChar(playingfield[row][column]);
}
else if(playingfield[row][column] =="$")
{
playingfield[row][column] = " ";
OledSetCursor(column,row);
OledPutChar(playingfield[row][column]);
if(row<3)
{if(playingfield[row+1][column]=="$")
playingfield[row+1][column]="*";
else if(playingfield[row+1][column]=="&")
playingfield[row+1][column]=".";
else if (playingfield[row+1][column]=="'")
playingfield[row+1][column]=",";
}
}
else if(playingfield[row][column]==",")
stage = "finished";
else if(playingfield[row][column]=="%")
{
playingfield[row][column] = "&";
OledSetCursor(column,row);
OledPutChar(playingfield[row][column]);
}
else if (playingfield[row][column]=="&")
{
playingfield[row][column] = " ";
OledSetCursor(column,row);
OledPutChar(playingfield[row][column]);
if(row<3)
{if(playingfield[row+1][column]=="$")
playingfield[row+1][column]="+";
else if(playingfield[row+1][column]=="&")
playingfield[row+1][column]="/";
else if (playingfield[row+1][column]=="'")
playingfield[row+1][column]="-";
}
}
else if (playingfield [row][column]=="*")
{
playingfield[row][column] = "$";
OledSetCursor(column,row);
OledPutChar(playingfield[row][column]);
if(row<3)
{if(playingfield[row+1][column]=="$")
playingfield[row+1][column]="*";
else if(playingfield[row+1][column]=="&")
playingfield[row+1][column]=".";
else if (playingfield[row+1][column]=="'")
playingfield[row+1][column]=",";
}
}
else if (playingfield[row][column]=="+")
{
playingfield[row][column] = "&";
OledSetCursor(column,row);
OledPutChar(playingfield[row][column]);
if(row<3)
{if(playingfield[row+1][column]=="$")
playingfield[row+1][column]="*";
else if(playingfield[row+1][column]=="&")
playingfield[row+1][column]=".";
else if (playingfield[row+1][column]=="'")
playingfield[row+1][column]=",";
}
}
else if(playingfield[row][column] == "-")
{
score=score+1;
playingfield[row][column] == "'";
}
else if (playingfield[row][column] == ".")
{
playingfield[row][column] = "$";
OledSetCursor(column,row);
OledPutChar(playingfield[row][column]);
if(row<3)
{
if(playingfield[row+1][column]=="$")
playingfield[row+1][column]="+";
else if(playingfield[row+1][column]=="&")
playingfield[row+1][column]="/";
else if (playingfield[row+1][column]=="'")
playingfield[row+1][column]="-";
}
}
else if (playingfield[row][column] == "/")
{
playingfield[row][column] = "&";
OledSetCursor(column,row);
OledPutChar(playingfield[row][column]);
if(row<3)
{
if(playingfield[row+1][column]=="$")
playingfield[row+1][column]="+";
else if(playingfield[row+1][column]=="&")
playingfield[row+1][column]="/";
else if (playingfield[row+1][column]=="'")
playingfield[row+1][column]="-";
}
}
}
}
我試圖逐個瀏覽這個數組中的單元格。 但是,對於涉及“playfield [row] [column]”的任何地方,它告訴我指針和整數之間的比較。 另外一個警告說,Assignment使指針從沒有強制轉換的指針生成。
字符串文字,如"#"
實際上是指向數組中第一個字符的指針。 你在做什么,比如說
playingfield[row][column] == "#")
將char
與char *
進行比較。
我認為你打算使用字符文字:
playingfield[row][column] == '#')
注意從雙引號的變化"
,以單引號'
。
當你編譯它時,你會遇到更糟糕的錯誤:查看column
循環條件,它包括索引8
,它超出了數組的范圍(它是數組中的第九個索引)。
用雙引號(如"$"
將字符串文字更改為單引號'$'
字符文字。
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