20 lines
476 B
C
20 lines
476 B
C
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/* Ensure that the executable of a running process cannot be
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modified. */
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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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int handle;
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char buffer[16];
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CHECK ((handle = open ("rox-simple")) > 1, "open \"rox-simple\"");
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CHECK (read (handle, buffer, sizeof buffer) == (int) sizeof buffer,
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"read \"rox-simple\"");
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CHECK (write (handle, buffer, sizeof buffer) == 0,
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"try to write \"rox-simple\"");
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}
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