Dmitry V. Levin
7dad3f3edd
* mknod.c (main): Check more corner cases of mode_t parser. * mknod.test: Update.
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
#include "tests.h"
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#include <sys/syscall.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 <unistd.h>
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# ifdef MAJOR_IN_SYSMACROS
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# include <sys/sysmacros.h>
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# endif
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# ifdef MAJOR_IN_MKDEV
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# include <sys/mkdev.h>
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# endif
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# define TMP_FILE "mknod"
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int
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main(void)
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{
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long rc = syscall(__NR_mknod, TMP_FILE, 0, 0xdeadbeef);
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printf("mknod(\"%s\", 0) = %ld %s (%m)\n",
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TMP_FILE, rc, errno2name());
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rc = syscall(__NR_mknod, TMP_FILE, -1L, 0xdeadbeef);
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printf("mknod(\"%s\", %#o) = %ld %s (%m)\n",
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TMP_FILE, -1, rc, errno2name());
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rc = syscall(__NR_mknod, TMP_FILE, S_IFREG|0600, 0);
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printf("mknod(\"%s\", S_IFREG|0600) = %ld %s (%m)\n",
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TMP_FILE, rc, errno2name());
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unsigned long dev =
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(unsigned long) 0xdeadbeef00000000 | makedev(1, 7);
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rc = syscall(__NR_mknod, TMP_FILE, S_IFCHR | 0400, dev);
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printf("mknod(\"%s\", S_IFCHR|0400, makedev(1, 7)) = %ld %s (%m)\n",
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TMP_FILE, rc, errno2name());
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const unsigned long mode =
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((unsigned long) 0xfacefeedffffffff & ~S_IFMT) | S_IFBLK;
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dev = (unsigned long) 0xdeadbeefbadc0ded;
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rc = syscall(__NR_mknod, TMP_FILE, mode, dev);
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printf("mknod(\"%s\", S_IFBLK|S_ISUID|S_ISGID|S_ISVTX|%#o"
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", makedev(%u, %u)) = %ld %s (%m)\n",
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TMP_FILE, (unsigned) 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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