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module memory
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pub type FnAllocatorAlloc = fn (size usize, user_data voidptr) voidptr
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pub type FnAllocatorFree = fn (ptr voidptr, user_data voidptr)
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pub type FnLogCb = fn (const_tag &char, log_level u32, log_item_id u32, const_message_or_null &char, line_nr u32, const_filename_or_null &char, user_data voidptr)
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// salloc - used in the allocator structs, that the SOKOL libraries use, for allocating new memory blocks
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pub fn salloc(size usize, user_data voidptr) voidptr {
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	res := unsafe { malloc(int(size)) }
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	$if trace_sokol_memory ? {
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		eprintln('sokol.memory.salloc | user_data: ${user_data:x} | size: ${size:10} | res: ${res:x}')
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	}
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	$if trace_sokol_memory_salloc_backtrace ? {
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		print_backtrace()
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	}
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	return res
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}
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// sfree - used in the allocator structs, that the SOKOL libraries use, for freeing memory
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pub fn sfree(ptr voidptr, user_data voidptr) {
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	$if trace_sokol_memory ? {
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		eprintln(' sokol.memory.sfree | user_data: ${user_data:x} |                    ptr: ${ptr:x}')
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	}
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	$if trace_sokol_memory_sfree_backtrace ? {
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		print_backtrace()
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	}
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	unsafe { free(ptr) }
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}
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fn C.SOKOL_LOG(const_message &char)
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pub fn slog(const_tag &char, log_level u32, log_item_id u32, const_message_or_null &char, line_nr u32,
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	const_filename_or_null &char, user_data voidptr) {
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	C.fprintf(C.stderr, c'sokol.memory.slog | user_data: %p, const_tag: %s, level: %d, item_id: %d, fname: %s, line: %d, message: %s\n',
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		user_data, const_tag, log_level, log_item_id, const_filename_or_null, line_nr,
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		const_message_or_null)
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}
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