zap/source/amd64/mem/memgen.c


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/*
	Copyright 2022 Gabriel Jensen.
	This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
	If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/

#include <zap/priv.h>

/*.globl zap_memgen

zap_memgen:*/

	/*
		void *  ptr
		zap_sz  sz
		zap_sz  num
		void (* fn)(zap_sz,void *)
	*/

void zap_memgen(void * const _ptr,zap_sz const _sz,zap_sz const _num,void (* const _fn)(zap_sz,void *)) {
	unsigned char *       ptr      = _ptr;
	unsigned char * const afterbuf = ptr + _sz * _num;
	for (;ptr != afterbuf;ptr += _sz) {_fn((ptr - (unsigned char *)_ptr) / _sz,ptr);}
}