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git://sourceware.org/git/lvm2.git
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649d3a0fdf
Align strdup char* allocation just on 2 bytes. It looks like wasting space to align strings on 8 bytes. (Could be even 1byte - but for hashing it might eventually get better perfomance - but probably hardly measurable). TODO: check on various architectures it's not making any problems.
78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
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*
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* This file is part of the device-mapper userspace tools.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "dmlib.h"
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/* FIXME: thread unsafe */
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static DM_LIST_INIT(_dm_pools);
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void dm_pools_check_leaks(void);
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#ifdef DEBUG_POOL
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#include "pool-debug.c"
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#else
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#include "pool-fast.c"
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#endif
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char *dm_pool_strdup(struct dm_pool *p, const char *str)
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{
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char *ret = dm_pool_alloc_aligned(p, strlen(str) + 1, 2);
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if (ret)
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strcpy(ret, str);
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return ret;
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}
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char *dm_pool_strndup(struct dm_pool *p, const char *str, size_t n)
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{
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char *ret = dm_pool_alloc_aligned(p, n + 1, 2);
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if (ret) {
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strncpy(ret, str, n);
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ret[n] = '\0';
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}
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return ret;
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}
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void *dm_pool_zalloc(struct dm_pool *p, size_t s)
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{
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void *ptr = dm_pool_alloc(p, s);
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if (ptr)
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memset(ptr, 0, s);
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return ptr;
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}
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void dm_pools_check_leaks(void)
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{
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struct dm_pool *p;
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if (dm_list_empty(&_dm_pools))
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return;
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log_error("You have a memory leak (not released memory pool):");
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dm_list_iterate_items(p, &_dm_pools) {
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#ifdef DEBUG_POOL
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log_error(" [%p] %s (%u bytes)",
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p->orig_pool,
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p->name, p->stats.bytes);
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#else
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log_error(" [%p] %s", p, p->name);
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#endif
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}
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}
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