mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-21 04:42:53 +08:00
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/* hash.c -- gas hash table code
|
|
Copyright (C) 1987-2021 Free Software Foundation, Inc.
|
|
|
|
This file is part of GAS, the GNU Assembler.
|
|
|
|
GAS is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3, or (at your option)
|
|
any later version.
|
|
|
|
GAS is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GAS; see the file COPYING. If not, write to the Free
|
|
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
|
|
02110-1301, USA. */
|
|
|
|
#include "as.h"
|
|
|
|
/* Insert ELEMENT into HTAB. If REPLACE is non-zero existing elements
|
|
are overwritten. If ELEMENT already exists, a pointer to the slot
|
|
is returned. Otherwise NULL is returned. */
|
|
|
|
void **
|
|
htab_insert (htab_t htab, void *element, int replace)
|
|
{
|
|
void **slot = htab_find_slot (htab, element, INSERT);
|
|
if (*slot != NULL)
|
|
{
|
|
if (replace)
|
|
{
|
|
if (htab->del_f)
|
|
(*htab->del_f) (*slot);
|
|
*slot = element;
|
|
}
|
|
return slot;
|
|
}
|
|
*slot = element;
|
|
return NULL;
|
|
}
|
|
|
|
/* Print statistics about a hash table. */
|
|
|
|
void
|
|
htab_print_statistics (FILE *f, const char *name, htab_t table)
|
|
{
|
|
fprintf (f, "%s hash statistics:\n", name);
|
|
fprintf (f, "\t%u searches\n", table->searches);
|
|
fprintf (f, "\t%u collisions\n", table->collisions);
|
|
fprintf (f, "\t%lu elements\n", (unsigned long) htab_elements (table));
|
|
fprintf (f, "\t%lu table size\n", (unsigned long) htab_size (table));
|
|
}
|