2006-07-12から1日間の記事一覧
void subfunc( char c ) { unsigned char uc = (unsigned char)c; uc = (uc & 0xF0) >> 4; if (uc >= 0 && uc <= 9) { : : : } }ってなコードを書くとgcc4がifのところで "warning: comparison is always true due to limited range of data type" なんぞ…
void subfunc( char c ) { unsigned char uc = (unsigned char)c; uc = (uc & 0xF0) >> 4; if (uc >= 0 && uc <= 9) { : : : } }ってなコードを書くとgcc4がifのところで "warning: comparison is always true due to limited range of data type" なんぞ…