Change rb_darray_calloc_mul_add_without_gc to check for overflow
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2025-01-02 16:03:25 +00:00
5
darray.h
5
darray.h
@ -163,12 +163,11 @@ rb_darray_free_without_gc(void *ary)
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free(ary);
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free(ary);
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}
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}
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/* Internal function. Like rb_xcalloc_mul_add but does not trigger GC and does
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/* Internal function. Like rb_xcalloc_mul_add but does not trigger GC. */
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* not check for overflow in arithmetic. */
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static inline void *
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static inline void *
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rb_darray_calloc_mul_add_without_gc(size_t x, size_t y, size_t z)
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rb_darray_calloc_mul_add_without_gc(size_t x, size_t y, size_t z)
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{
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{
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size_t size = (x * y) + z;
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size_t size = rbimpl_size_add_or_raise(rbimpl_size_mul_or_raise(x, y), z);
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void *ptr = calloc(1, size);
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void *ptr = calloc(1, size);
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if (ptr == NULL) rb_bug("rb_darray_calloc_mul_add_without_gc: failed");
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if (ptr == NULL) rb_bug("rb_darray_calloc_mul_add_without_gc: failed");
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