25 lines
621 B
C
Executable file
25 lines
621 B
C
Executable file
/* Writes data spanning two pages in virtual address space,
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which must succeed. */
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#include <string.h>
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#include <syscall.h>
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#include "tests/userprog/boundary.h"
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#include "tests/userprog/sample.inc"
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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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int byte_cnt;
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char *sample_p;
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sample_p = copy_string_across_boundary (sample);
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CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\"");
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byte_cnt = write (handle, sample_p, sizeof sample - 1);
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if (byte_cnt != sizeof sample - 1)
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fail ("write() returned %d instead of %zu", byte_cnt, sizeof sample - 1);
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}
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