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add sasa.c #15

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@sasai3 sasai3 commented Dec 27, 2018

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笹井 雄貴 and others added 2 commits December 27, 2018 20:11
int fdescript;
ssize_t readbytes;
ssize_t writebytes;
char buf[1024];
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1024 みたいなマジックナンバーはstatic const#defineにしたいね


int main(int argc, char * argv[]){
int fdescript;
ssize_t readbytes;
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どうでもいいけどタブとスペースが混ざっている気がする

fdescript = open(argv[i], O_RDONLY);
if (fdescript == -1)
continue;
}
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インデントが揃っていなくてわかりにくいけど、"引数を複数指定したら最初に開けたファイルを出力する"という仕様になっているっぽい?
オリジナルのcatの仕様(となぜcatという名前がついているか)を確認してみるといいかも

writebytes = write(1,buf,readbytes);
} else if (readbytes == 0) {
close(fdescript);
writebytes = write(1,"\n",1);
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writebytesは代入しているけど使っていないのかな?
書き込み失敗した時のエラーハンドリングもしたいところですね

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2 participants