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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [cpp/] [20020927-1.c] - Blame information for rev 307

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Line No. Rev Author Line
1 298 jeremybenn 
/* Test case for buffer overflow bug in token stringification.
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   See PR preprocessor/8055 for details.
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   Reported by Alexander N. Kabaev <ak03@gte.com>.
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   Test case written by Zack Weinberg <zack@codesourcery.com>.  */
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/* { dg-do preprocess } */
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#define S(x) #x
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/* Fill up one internal buffer with data.  */
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S(1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  1234567890123456789012345678901234567890123456789012345678901234567890
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  12345678901234567890123456789012345678901234567890123456789012345)
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/* When stringify_arg() was called with an empty macro argument, it would
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   advance the buffer pointer by one but fail to check for running past the
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   end of the buffer.  We can only know where the end of the buffer is to
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   within about eight bytes, so do this sixteen times to be sure of hitting
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   it.  */
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S()
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S()
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S()
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S()
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S()
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S()
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S()
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S()
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S()
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S()
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S()
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S()
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S()
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S()
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S()
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S()
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/* Now allocate more memory in the buffer, which should provoke a crash.  */
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S(abcdefghijklmnopqrstuvwxyz)
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S(abcdefghijklmnopqrstuvwxyz)

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