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OS/pintos-env/pintos/tests/userprog/write-bad-ptr.c

16 lines
375 B
C
Executable file

/* Passes an invalid pointer to the write system call.
The process must be terminated with -1 exit code. */
#include <syscall.h>
#include "tests/lib.h"
#include "tests/main.h"
void
test_main (void)
{
int handle;
CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\"");
write (handle, (char *) 0x10123420, 123);
fail ("should have exited with -1");
}