27 lines
1.1 KiB
Diff
27 lines
1.1 KiB
Diff
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13,37d12
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< static secp256k1_scratch* secp256k1_scratch_create(const secp256k1_callback* error_callback, size_t size) {
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< const size_t base_alloc = ((sizeof(secp256k1_scratch) + ALIGNMENT - 1) / ALIGNMENT) * ALIGNMENT;
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< void *alloc = checked_malloc(error_callback, base_alloc + size);
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< secp256k1_scratch* ret = (secp256k1_scratch *)alloc;
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< if (ret != NULL) {
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< memset(ret, 0, sizeof(*ret));
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< memcpy(ret->magic, "scratch", 8);
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< ret->data = (void *) ((char *) alloc + base_alloc);
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< ret->max_size = size;
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< }
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< return ret;
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< }
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<
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< static void secp256k1_scratch_destroy(const secp256k1_callback* error_callback, secp256k1_scratch* scratch) {
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< if (scratch != NULL) {
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< VERIFY_CHECK(scratch->alloc_size == 0); /* all checkpoints should be applied */
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< if (memcmp(scratch->magic, "scratch", 8) != 0) {
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< secp256k1_callback_call(error_callback, "invalid scratch space");
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< return;
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< }
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< memset(scratch->magic, 0, sizeof(scratch->magic));
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< free(scratch);
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< }
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< }
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<
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