macOS: silence sprintf deprecation (#509)

mac/hid.c

@@ -510,10 +510,15 @@ static struct hid_device_info *create_device_info_with_usage(IOHIDDeviceRef dev,
 	if (res == KERN_SUCCESS) {
 		/* max value of entry_id(uint64_t) is 18446744073709551615 which is 20 characters long,
 		   so for (max) "path" string 'DevSrvsID:18446744073709551615' we would need
-		   9+1+20+1=31 bytes byffer, but allocate 32 for simple alignment */
+		   9+1+20+1=31 bytes buffer, but allocate 32 for simple alignment */
 		cur_dev->path = calloc(1, 32);
 		if (cur_dev->path != NULL) {
+			/* Yes, compiler, we know that snprintf is preferable,
+			   but we're not ready to abandon older macOS-es/SDKs where it is not yet available */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 			sprintf(cur_dev->path, "DevSrvsID:%llu", entry_id);
+#pragma GCC diagnostic pop
 		}
 	}
 
@@ -983,9 +988,16 @@ hid_device * HID_API_EXPORT hid_open_path(const char *path)
 	dev->max_input_report_len = (CFIndex) get_max_report_length(dev->device_handle);
 	dev->input_report_buf = (uint8_t*) calloc(dev->max_input_report_len, sizeof(uint8_t));
 
+
+/* Yes, compiler, we know that snprintf is preferable,
+   but we're not ready to abandon older macOS-es/SDKs where it is not yet available */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 	/* Create the Run Loop Mode for this device.
 	   printing the reference seems to work. */
 	sprintf(str, "HIDAPI_%p", (void*) dev->device_handle);
+#pragma GCC diagnostic pop
+
 	dev->run_loop_mode =
 		CFStringCreateWithCString(NULL, str, kCFStringEncodingASCII);