2010-10-15 12:03:25 -05:00
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/*
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* Copyright (C) 2010 Davidlohr Bueso <dave@gnu.org>
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*
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* This file may be redistributed under the terms of the
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* GNU Lesser General Public License.
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*
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* General memory allocation wrappers for malloc, realloc and calloc
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*/
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#ifndef UTIL_LINUX_XALLOC_H
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#define UTIL_LINUX_XALLOC_H
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#include <stdlib.h>
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#include <err.h>
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2011-01-23 14:28:19 -06:00
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#ifndef XALLOC_EXIT_CODE
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# define XALLOC_EXIT_CODE EXIT_FAILURE
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#endif
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2010-10-15 12:03:25 -05:00
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static inline __attribute__((alloc_size(1)))
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void *xmalloc(const size_t size)
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{
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void *ret = malloc(size);
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if (!ret && size)
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2011-01-23 14:28:19 -06:00
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err(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size);
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2010-10-15 12:03:25 -05:00
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return ret;
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}
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static inline __attribute__((alloc_size(2)))
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void *xrealloc(void *ptr, const size_t size)
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{
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void *ret = realloc(ptr, size);
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if (!ret && size)
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2011-01-23 14:28:19 -06:00
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err(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size);
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2010-10-15 12:03:25 -05:00
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return ret;
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}
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static inline __attribute__((alloc_size(1,2)))
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void *xcalloc(const size_t nelems, const size_t size)
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{
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void *ret = calloc(nelems, size);
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if (!ret && size && nelems)
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2011-01-23 14:28:19 -06:00
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err(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size);
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2010-10-15 12:03:25 -05:00
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return ret;
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}
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2010-11-24 09:39:15 -06:00
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static inline char *xstrdup(const char *str)
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{
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char *ret = strdup(str);
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if (!ret && str)
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2011-01-23 14:28:19 -06:00
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err(XALLOC_EXIT_CODE, "cannot duplicate string");
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2010-11-24 09:39:15 -06:00
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return ret;
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}
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2010-10-15 12:03:25 -05:00
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#endif
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