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