mirror of
https://github.com/libretro/RetroArch
synced 2025-01-17 19:14:56 +00:00
99 lines
2.1 KiB
C
99 lines
2.1 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2018 The RetroArch team
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include <libretro.h>
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#include <lists/string_list.h>
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#include "../midi_driver.h"
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static bool null_midi_get_avail_inputs(struct string_list *inputs)
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{
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union string_list_elem_attr attr = {0};
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return string_list_append(inputs, "Null", attr);
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}
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static bool null_midi_get_avail_outputs(struct string_list *outputs)
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{
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union string_list_elem_attr attr = {0};
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return string_list_append(outputs, "Null", attr);
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}
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static void *null_midi_init(const char *input, const char *output)
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{
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(void)input;
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(void)output;
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return (void*)-1;
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}
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static void null_midi_free(void *p)
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{
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(void)p;
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}
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static bool null_midi_set_input(void *p, const char *input)
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{
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(void)p;
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return input == NULL || !strcmp(input, "Null");
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}
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static bool null_midi_set_output(void *p, const char *output)
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{
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(void)p;
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return output == NULL || !strcmp(output, "Null");
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}
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static bool null_midi_read(void *p, midi_event_t *event)
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{
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(void)p;
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(void)event;
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return false;
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}
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static bool null_midi_write(void *p, const midi_event_t *event)
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{
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(void)p;
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(void)event;
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return true;
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}
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static bool null_midi_flush(void *p)
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{
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(void)p;
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return true;
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}
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midi_driver_t midi_null = {
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"null",
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null_midi_get_avail_inputs,
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null_midi_get_avail_outputs,
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null_midi_init,
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null_midi_free,
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null_midi_set_input,
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null_midi_set_output,
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null_midi_read,
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null_midi_write,
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null_midi_flush
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};
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