1 // RUN: %clangxx -O0 -g %s -o %t && %run %t 2>&1 | FileCheck %s
2 // UNSUPPORTED: linux, solaris
3 
4 #include <sys/cdefs.h>
5 #include <sys/stat.h>
6 
7 #include <assert.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 
main(void)11 int main(void) {
12   struct stat st;
13   char name[100];
14   mode_t type;
15 
16   assert(!stat("/dev/null", &st));
17 
18   type = S_ISCHR(st.st_mode) ? S_IFCHR : S_IFBLK;
19 
20 #if defined(__NetBSD__)
21   assert(!devname_r(st.st_rdev, type, name, sizeof(name)));
22 #else
23   assert(devname_r(st.st_rdev, type, name, sizeof(name)));
24 #endif
25 
26   printf("%s\n", name);
27 
28   // CHECK: null
29 
30   return 0;
31 }
32