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4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/* Filename-seen cache for the GNU debugger, GDB.
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Copyright (C) 1986-2022 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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#include "defs.h"
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#include "filename-seen-cache.h"
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#include "filenames.h"
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/* Initial size of the table. It automagically grows from here. */
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#define INITIAL_FILENAME_SEEN_CACHE_SIZE 100
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/* filename_seen_cache constructor. */
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filename_seen_cache::filename_seen_cache ()
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: m_tab (htab_create_alloc (INITIAL_FILENAME_SEEN_CACHE_SIZE,
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filename_hash, filename_eq,
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NULL, xcalloc, xfree))
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{
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}
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/* See filename-seen-cache.h. */
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void
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filename_seen_cache::clear ()
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{
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htab_empty (m_tab.get ());
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}
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/* See filename-seen-cache.h. */
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bool
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filename_seen_cache::seen (const char *file)
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{
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void **slot;
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/* Is FILE in tab? */
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slot = htab_find_slot (m_tab.get (), file, INSERT);
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if (*slot != NULL)
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return true;
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/* No; add it to tab. */
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*slot = (char *) file;
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return false;
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}
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