文件read失败的问题
jhams 2009-11-29 08:10:50 我想读取/proc/stat,open成功了,但是read失败,用sudo执行也一样,是什么问题啊?
fp = fopen("/proc/stat", "r");
if(fp == NULL)
{
perror("fail to open /proc/stat\n");
exit(1);
}
if(fgets(msg, LEN, fp) == NULL);
{
perror("fail to read from /proc/stat\n");
exit(1);
}