int is_his_file(char*filename,char *username)
{
int ret;
struct passwd *user_info;//
struct stat stat_info;
user_info=getpwnam(username);//获取用户信息
if(user_info==NULL)
{
printf("can not find this user ");
exit(-1);
}
stat(filename,&stat_info);
if(stat_info.st_uid==user_info->pw_uid)
return 0;
else
return -1;
}
两个函数的结果返回？？？？？？？？？？？？？？？？
apue getpwnam
lcs：http://segmentfault.com/a/1190000002641054 http://blog.chinaunix.net/uid-26548237-id-3374211.html http://www.cnblogs.com/huangxincheng/archive/2012/11/11/2764625.html