michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef GMEM_WRAPPER_H
michael@0: #define GMEM_WRAPPER_H
michael@0: 
michael@0: #define g_malloc_n g_malloc_n_
michael@0: #define g_malloc0_n g_malloc0_n_
michael@0: #define g_realloc_n g_realloc_n_
michael@0: #include_next <glib/gmem.h>
michael@0: #undef g_malloc_n
michael@0: #undef g_malloc0_n
michael@0: #undef g_realloc_n
michael@0: 
michael@0: #include <glib/gmessages.h>
michael@0: 
michael@0: #undef g_new
michael@0: #define g_new(type, num) \
michael@0:     ((type *) g_malloc_n((num), sizeof(type)))
michael@0: 
michael@0: #undef g_new0
michael@0: #define g_new0(type, num) \
michael@0:     ((type *) g_malloc0_n((num), sizeof(type)))
michael@0: 
michael@0: #undef g_renew
michael@0: #define g_renew(type, ptr, num) \
michael@0:     ((type *) g_realloc_n(ptr, (num), sizeof(type)))
michael@0: 
michael@0: #define _CHECK_OVERFLOW(num, type_size) \
michael@0:     if (G_UNLIKELY(type_size > 0 && num > G_MAXSIZE / type_size)) { \
michael@0:       g_error("%s: overflow allocating %" G_GSIZE_FORMAT "*%" G_GSIZE_FORMAT " bytes", \
michael@0:               G_STRLOC, num, type_size); \
michael@0:     }
michael@0: 
michael@0: static inline gpointer
michael@0: g_malloc_n(gsize num, gsize type_size)
michael@0: {
michael@0:   _CHECK_OVERFLOW(num, type_size)
michael@0:   return g_malloc(num * type_size);
michael@0: }
michael@0: 
michael@0: static inline gpointer
michael@0: g_malloc0_n(gsize num, gsize type_size)
michael@0: {
michael@0:   _CHECK_OVERFLOW(num, type_size)
michael@0:   return g_malloc0(num * type_size);
michael@0: }
michael@0: 
michael@0: static inline gpointer
michael@0: g_realloc_n(gpointer ptr, gsize num, gsize type_size)
michael@0: {
michael@0:   _CHECK_OVERFLOW(num, type_size)
michael@0:   return g_realloc(ptr, num * type_size);
michael@0: }
michael@0: #endif /* GMEM_WRAPPER_H */