1 #include "tests.h" 2 #include <asm/unistd.h> 3 4 #ifdef __NR_mknod 5 6 # include <stdio.h> 7 # include <sys/stat.h> 8 # include <sys/sysmacros.h> 9 # include <unistd.h> 10 11 static const char sample[] = "mknod"; 12 13 static long 14 call_mknod(unsigned short mode, unsigned long dev) 15 { 16 unsigned long lmode = (unsigned long) 0xffffffffffff0000ULL | mode; 17 return syscall(__NR_mknod, sample, lmode, dev); 18 } 19 20 int 21 main(void) 22 { 23 unsigned long dev = (unsigned long) 0xdeadbeefbadc0dedULL; 24 25 long rc = call_mknod(0, dev); 26 printf("mknod(\"%s\", 000) = %ld %s (%m)\n", 27 sample, rc, errno2name()); 28 29 rc = call_mknod(0xffff, dev); 30 printf("mknod(\"%s\", %#03ho) = %ld %s (%m)\n", 31 sample, (unsigned short) -1, rc, errno2name()); 32 33 rc = call_mknod(S_IFREG, 0); 34 printf("mknod(\"%s\", S_IFREG|000) = %ld %s (%m)\n", 35 sample, rc, errno2name()); 36 37 rc = call_mknod(S_IFDIR | 06, 0); 38 printf("mknod(\"%s\", S_IFDIR|006) = %ld %s (%m)\n", 39 sample, rc, errno2name()); 40 41 rc = call_mknod(S_IFLNK | 060, 0); 42 printf("mknod(\"%s\", S_IFLNK|060) = %ld %s (%m)\n", 43 sample, rc, errno2name()); 44 45 rc = call_mknod(S_IFIFO | 0600, 0); 46 printf("mknod(\"%s\", S_IFIFO|0600) = %ld %s (%m)\n", 47 sample, rc, errno2name()); 48 49 dev = (unsigned long) 0xdeadbeef00000000ULL | makedev(1, 7); 50 51 rc = call_mknod(S_IFCHR | 024, dev); 52 printf("mknod(\"%s\", S_IFCHR|024, makedev(1, 7)) = %ld %s (%m)\n", 53 sample, rc, errno2name()); 54 55 const unsigned short mode = (0xffff & ~S_IFMT) | S_IFBLK; 56 dev = (unsigned long) 0xdeadbeefbadc0dedULL; 57 58 rc = call_mknod(mode, dev); 59 printf("mknod(\"%s\", S_IFBLK|S_ISUID|S_ISGID|S_ISVTX|%#03ho" 60 ", makedev(%u, %u)) = %ld %s (%m)\n", 61 sample, mode & ~(S_IFMT|S_ISUID|S_ISGID|S_ISVTX), 62 major((unsigned) dev), minor((unsigned) dev), 63 rc, errno2name()); 64 65 puts("+++ exited with 0 +++"); 66 return 0; 67 } 68 69 #else 70 71 SKIP_MAIN_UNDEFINED("__NR_mknod") 72 73 #endif 74
