2 * Memory allocation routines with error checking. Idea from GNU libiberty.
4 * Copyright (C) 2001-2007 Peter Johnson
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
40 static /*@only@*/ /*@out@*/ void *def_xmalloc(size_t size);
41 static /*@only@*/ void *def_xcalloc(size_t nelem, size_t elsize);
42 static /*@only@*/ void *def_xrealloc
43 (/*@only@*/ /*@out@*/ /*@returned@*/ /*@null@*/ void *oldmem, size_t size)
44 /*@modifies oldmem@*/;
45 static void def_xfree(/*@only@*/ /*@out@*/ /*@null@*/ void *p)
48 /* storage for global function pointers */
50 /*@only@*/ /*@out@*/ void * (*yasm_xmalloc) (size_t size) = def_xmalloc;
52 /*@only@*/ void * (*yasm_xcalloc) (size_t nelem, size_t elsize) = def_xcalloc;
54 /*@only@*/ void * (*yasm_xrealloc)
55 (/*@only@*/ /*@out@*/ /*@returned@*/ /*@null@*/ void *oldmem, size_t size)
56 /*@modifies oldmem@*/ = def_xrealloc;
58 void (*yasm_xfree) (/*@only@*/ /*@out@*/ /*@null@*/ void *p)
59 /*@modifies p@*/ = def_xfree;
63 def_xmalloc(size_t size)
69 newmem = malloc(size);
71 yasm__fatal(N_("out of memory"));
77 def_xcalloc(size_t nelem, size_t elsize)
81 if (nelem == 0 || elsize == 0)
84 newmem = calloc(nelem, elsize);
86 yasm__fatal(N_("out of memory"));
92 def_xrealloc(void *oldmem, size_t size)
99 newmem = malloc(size);
101 newmem = realloc(oldmem, size);
103 yasm__fatal(N_("out of memory"));