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2bb7589ddf
In the next commit I'd like to reference gdb_unique_ptr within the common-utils.h file. However, this requires that I include gdb_unique_ptr.h, which requires that xfree be defined. Interestingly, gdb_unique_ptr.h doesn't actually include anything that defines xfree, but I was finding that when I added a gdb_unique_ptr.h include to common-utils.h I was getting a dependency cycle; before my change xfree was defined when gdb_unique_ptr.h was processed, while after my change it was not, and this made g++ unhappy. To break this cycle, I propose to move xfree into its own header file, gdb-xfree.h, which I'll then include into gdb_unique_ptr.h and common-utils.cc.
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
/* Copyright (C) 1986-2021 Free Software Foundation, Inc.
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This file is part of GDB.
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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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#ifndef GDBSUPPORT_GDB_XFREE_H
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#define GDBSUPPORT_GDB_XFREE_H
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#include "gdbsupport/poison.h"
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/* GDB uses this instead of 'free', it detects when it is called on an
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invalid type. */
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template <typename T>
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static void
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xfree (T *ptr)
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{
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static_assert (IsFreeable<T>::value, "Trying to use xfree with a non-POD \
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data type. Use operator delete instead.");
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if (ptr != NULL)
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#ifdef GNULIB_NAMESPACE
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GNULIB_NAMESPACE::free (ptr); /* ARI: free */
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#else
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free (ptr); /* ARI: free */
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#endif
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}
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#endif /* GDBSUPPORT_GDB_XFREE_H */
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