/*
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* gmem.c: memory utility functions
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*
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* Author:
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* Gonzalo Paniagua Javier (gonzalo@novell.com)
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*
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* (C) 2006 Novell, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <string.h>
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#include <glib.h>
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#if defined (ENABLE_OVERRIDABLE_ALLOCATORS)
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static GMemVTable sGMemVTable = { malloc, realloc, free, calloc };
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void
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g_mem_set_vtable (GMemVTable* vtable)
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{
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sGMemVTable.calloc = vtable->calloc ? vtable->calloc : calloc;
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sGMemVTable.realloc = vtable->realloc ? vtable->realloc : realloc;
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sGMemVTable.malloc = vtable->malloc ? vtable->malloc : malloc;
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sGMemVTable.free = vtable->free ? vtable->free : free;
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}
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#define G_FREE_INTERNAL sGMemVTable.free
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#define G_REALLOC_INTERNAL sGMemVTable.realloc
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#define G_CALLOC_INTERNAL sGMemVTable.calloc
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#define G_MALLOC_INTERNAL sGMemVTable.malloc
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#else
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void
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g_mem_set_vtable (GMemVTable* vtable)
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{
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}
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#define G_FREE_INTERNAL free
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#define G_REALLOC_INTERNAL realloc
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#define G_CALLOC_INTERNAL calloc
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#define G_MALLOC_INTERNAL malloc
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#endif
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void
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g_free (void *ptr)
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{
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if (ptr != NULL)
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G_FREE_INTERNAL (ptr);
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}
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gpointer
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g_memdup (gconstpointer mem, guint byte_size)
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{
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gpointer ptr;
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if (mem == NULL)
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return NULL;
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ptr = g_malloc (byte_size);
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if (ptr != NULL)
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memcpy (ptr, mem, byte_size);
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return ptr;
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}
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gpointer g_realloc (gpointer obj, gsize size)
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{
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gpointer ptr;
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if (!size) {
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g_free (obj);
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return 0;
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}
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ptr = G_REALLOC_INTERNAL (obj, size);
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if (ptr)
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return ptr;
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g_error ("Could not allocate %i bytes", size);
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}
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gpointer
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g_malloc (gsize x)
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{
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gpointer ptr;
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if (!x)
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return 0;
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ptr = G_MALLOC_INTERNAL (x);
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if (ptr)
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return ptr;
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g_error ("Could not allocate %i bytes", x);
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}
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gpointer g_calloc (gsize n, gsize x)
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{
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gpointer ptr;
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if (!x || !n)
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return 0;
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ptr = G_CALLOC_INTERNAL (n, x);
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if (ptr)
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return ptr;
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g_error ("Could not allocate %i (%i * %i) bytes", x*n, n, x);
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}
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gpointer g_malloc0 (gsize x)
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{
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return g_calloc (1,x);
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}
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gpointer g_try_malloc (gsize x)
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{
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if (x)
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return G_MALLOC_INTERNAL (x);
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return 0;
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}
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gpointer g_try_realloc (gpointer obj, gsize size)
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{
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if (!size) {
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G_FREE_INTERNAL (obj);
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return 0;
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}
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return G_REALLOC_INTERNAL (obj, size);
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}
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