20 lines
409 B
C
Executable file
20 lines
409 B
C
Executable file
/* Try a 0-byte write, which should return 0 without writing
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anything. */
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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, byte_cnt;
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char buf;
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CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\"");
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buf = 123;
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byte_cnt = write (handle, &buf, 0);
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if (byte_cnt != 0)
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fail("write() returned %d instead of 0", byte_cnt);
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}
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