1 //http://blog.chinaunix.net/uid-24549279-id-71355.html
2 /*
3 ============================================================================
4 Name : test.c
5 Author : blank
6 Version :
7 Copyright : Your copyright notice
8 Description : 程序4-3 umask函数实例
9 ============================================================================
10 */
11
12 #include <fcntl.h>
13 #include "ourhdr.h"
14
15 #define RWRWRW (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
16
17 int main(int argc, char *argv[])
18 {
19 umask(0);
20
21 if (creat("foo", RWRWRW) < 0){
22 err_sys("create error for foo");
23 }
24
25 umask(S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
26 if (creat("bar", RWRWRW) < 0){
27 err_sys("creat error for bar");
28 }
29 exit(0);
30 }
