1 /*
2 * DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
3 * Version 2, December 2004
4 *
5 * Copyright (C) 2016 Olaf Wintermann <olaf.wintermann@gmail.com>
6 *
7 * Everyone is permitted to copy and distribute verbatim or modified
8 * copies of this license document, and changing it is allowed as long
9 * as the name is changed.
10 *
11 * DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
12 * TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
13 *
14 * 0. You just DO WHAT THE FUCK YOU WANT TO.
15 */
16
17 #include <stdio.h>
18 #include <unistd.h>
19 #include <sys/types.h>
20 #include <sys/stat.h>
21 #include <fcntl.h>
22
23 /*
24 * Solaris Extended Attributes Example
25 *
26 * get attribute content
27 */
28
29 int main(int argc, char **argv) {
30 if(argc < 3) {
31 fprintf(stderr, "Usage: %s <file> <attribute>\n", argv[0]);
32 return -1;
33 }
34
35 int file = open(argv[1], O_RDONLY);
36 if(file == -1) {
37 fprintf(stderr, "Cannot open file ''%s'': ", argv[1]);
38 perror(NULL);
39 return -1;
40 }
41
42 int attr = openat(file, argv[2], O_RDONLY|O_XATTR);
43 if(attr == -1) {
44 fprintf(stderr, "Cannot open attribute ''%s'': ", argv[2]);
45 perror(NULL);
46 return -1;
47 }
48
49 char buf[1024];
50 ssize_t r = 0;
51 while((r = read(attr, buf, 1024)) > 0) {
52 write(STDOUT_FILENO, buf, r);
53 }
54
55 return 0;
56 }
57
58