47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2015-2020 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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struct inner
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{
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int a;
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};
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struct outer
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{
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struct inner *inner;
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};
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int main (void)
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{
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struct inner inner;
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struct outer outer;
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struct outer *p_outer;
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inner.a = 42;
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outer.inner = &inner;
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/* We force p_outer to an invalid value, but this also happens naturally
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* when a variable has not been initialized. */
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p_outer = 0;
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/* p_outer set to invalid value */
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p_outer = &outer;
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/* p_outer set to valid value */
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return 0;
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}
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