程序4-3 umask函数实例

//http://blog.chinaunix.net/uid-24549279-id-71355.html
/*
 ============================================================================
 Name        : test.c
 Author      : blank
 Version     :
 Copyright   : Your copyright notice
 Description : 程序4-3 umask函数实例
 ============================================================================
*/

#include <fcntl.h>
#include "ourhdr.h"

#define RWRWRW (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)

int main(int argc, char *argv[])
{
    umask(0);

    if (creat("foo", RWRWRW) < 0){
        err_sys("create error for foo");
    }

    umask(S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
    if (creat("bar", RWRWRW) < 0){
        err_sys("creat error for bar");
    }
    exit(0);
}