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Add references to tour of pintos.
[pintos-anon]
/
src
/
tests
/
userprog
/
open-bad-ptr.c
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/* Passes an invalid pointer to the open system call.
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The process must be terminated with -1 exit code. */
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#include <syscall.h>
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#include "tests/lib.h"
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#include "tests/main.h"
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void
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test_main (void)
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{
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msg ("open(0x20101234): %d", open ((char *) 0x20101234));
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fail ("should have called exit(-1)");
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}