Dmitry V. Levin
9d91928320
* mknod.c (decode_mknod): Treat device number argument as unsigned int. * tests/mknod.c: Include <sys/sysmacros.h> or <sys/mkdev.h> for definition of makedev macro. (main): Add a check for a character special file.
44 lines
871 B
C
44 lines
871 B
C
#include "tests.h"
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#include <sys/syscall.h>
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#ifdef __NR_mknod
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# include <errno.h>
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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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int rc = syscall(__NR_mknod, TMP_FILE, S_IFREG|0600, 0);
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printf("mknod(\"%s\", S_IFREG|0600) = %d %s (%m)\n",
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TMP_FILE, rc,
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errno == ENOSYS ? "ENOSYS" : "EEXIST");
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const 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)) = %d %s (%m)\n",
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TMP_FILE, rc,
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errno == ENOSYS ? "ENOSYS" : "EEXIST");
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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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