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* Add the number of bytes to the exception message, could be very helpful to the user in debugging stuff.
67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
/*
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* This file is part of the OpenMV project.
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*
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* Copyright (c) 2013-2019 Ibrahim Abdelkader <iabdalkader@openmv.io>
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* Copyright (c) 2013-2019 Kwabena W. Agyeman <kwagyeman@openmv.io>
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*
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* This work is licensed under the MIT license, see the file LICENSE for details.
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*
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* Memory allocation functions.
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*/
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#include <string.h>
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#include "py/runtime.h"
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#include "py/gc.h"
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#include "py/mphal.h"
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#include "xalloc.h"
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NORETURN static void xalloc_fail(uint32_t size)
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{
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mp_raise_msg_varg(&mp_type_MemoryError,
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MP_ERROR_TEXT("memory allocation failed, allocating %u bytes"), (uint)size);
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}
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// returns null pointer without error if size==0
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void *xalloc(uint32_t size)
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{
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void *mem = gc_alloc(size, false);
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if (size && (mem == NULL)) {
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xalloc_fail(size);
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}
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return mem;
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}
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// returns null pointer without error if size==0
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void *xalloc_try_alloc(uint32_t size)
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{
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return gc_alloc(size, false);
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}
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// returns null pointer without error if size==0
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void *xalloc0(uint32_t size)
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{
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void *mem = gc_alloc(size, false);
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if (size && (mem == NULL)) {
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xalloc_fail(size);
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}
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memset(mem, 0, size);
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return mem;
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}
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// returns without error if mem==null
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void xfree(void *mem)
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{
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gc_free(mem);
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}
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// returns null pointer without error if size==0
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// allocs if mem==null and size!=0
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// frees if mem!=null and size==0
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void *xrealloc(void *mem, uint32_t size)
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{
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mem = gc_realloc(mem, size, true);
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if (size && (mem == NULL)) {
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xalloc_fail(size);
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}
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return mem;
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}
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