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