#include "tests.h" #include <asm/unistd.h> #ifdef __NR_mknod # include <stdio.h> # include <sys/stat.h> # include <sys/sysmacros.h> # include <unistd.h> static const char sample[] = "mknod"; static long call_mknod(unsigned short mode, unsigned long dev) { unsigned long lmode = (unsigned long) 0xffffffffffff0000ULL | mode; return syscall(__NR_mknod, sample, lmode, dev); } int main(void) { unsigned long dev = (unsigned long) 0xdeadbeefbadc0dedULL; long rc = call_mknod(0, dev); printf("mknod(\"%s\", 000) = %ld %s (%m)\n", sample, rc, errno2name()); rc = call_mknod(0xffff, dev); printf("mknod(\"%s\", %#03ho) = %ld %s (%m)\n", sample, (unsigned short) -1, rc, errno2name()); rc = call_mknod(S_IFREG, 0); printf("mknod(\"%s\", S_IFREG|000) = %ld %s (%m)\n", sample, rc, errno2name()); rc = call_mknod(S_IFDIR | 06, 0); printf("mknod(\"%s\", S_IFDIR|006) = %ld %s (%m)\n", sample, rc, errno2name()); rc = call_mknod(S_IFLNK | 060, 0); printf("mknod(\"%s\", S_IFLNK|060) = %ld %s (%m)\n", sample, rc, errno2name()); rc = call_mknod(S_IFIFO | 0600, 0); printf("mknod(\"%s\", S_IFIFO|0600) = %ld %s (%m)\n", sample, rc, errno2name()); dev = (unsigned long) 0xdeadbeef00000000ULL | makedev(1, 7); rc = call_mknod(S_IFCHR | 024, dev); printf("mknod(\"%s\", S_IFCHR|024, makedev(1, 7)) = %ld %s (%m)\n", sample, rc, errno2name()); const unsigned short mode = (0xffff & ~S_IFMT) | S_IFBLK; dev = (unsigned long) 0xdeadbeefbadc0dedULL; rc = call_mknod(mode, dev); printf("mknod(\"%s\", S_IFBLK|S_ISUID|S_ISGID|S_ISVTX|%#03ho" ", makedev(%u, %u)) = %ld %s (%m)\n", sample, mode & ~(S_IFMT|S_ISUID|S_ISGID|S_ISVTX), major((unsigned) dev), minor((unsigned) dev), rc, errno2name()); puts("+++ exited with 0 +++"); return 0; } #else SKIP_MAIN_UNDEFINED("__NR_mknod") #endif