1 files changed, 0 insertions, 171 deletions
diff --git a/cras/src/server/buffer_share.c b/cras/src/server/buffer_share.c
deleted file mode 100644
index 5d106f05..00000000
--- a/cras/src/server/buffer_share.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include <stdlib.h>
-#include <sys/param.h>
-
-#include "cras_types.h"
-#include "buffer_share.h"
-
-static inline struct id_offset *find_unused(const struct buffer_share *mix)
-{
-	unsigned int i;
-
-	for (i = 0; i < mix->id_sz; i++) {
-		if (!mix->wr_idx[i].used)
-			return &mix->wr_idx[i];
-	}
-
-	return NULL;
-}
-
-static inline struct id_offset *find_id(const struct buffer_share *mix,
-					unsigned int id)
-{
-	unsigned int i;
-
-	for (i = 0; i < mix->id_sz; i++) {
-		if (mix->wr_idx[i].used && id == mix->wr_idx[i].id)
-			return &mix->wr_idx[i];
-	}
-
-	return NULL;
-}
-
-static void alloc_more_ids(struct buffer_share *mix)
-{
-	unsigned int new_size = mix->id_sz * 2;
-	unsigned int i;
-
-	mix->wr_idx = (struct id_offset *)realloc(
-		mix->wr_idx, sizeof(mix->wr_idx[0]) * new_size);
-
-	for (i = mix->id_sz; i < new_size; i++)
-		mix->wr_idx[i].used = 0;
-
-	mix->id_sz = new_size;
-}
-
-struct buffer_share *buffer_share_create(unsigned int buf_sz)
-{
-	struct buffer_share *mix;
-
-	mix = (struct buffer_share *)calloc(1, sizeof(*mix));
-	mix->id_sz = INITIAL_ID_SIZE;
-	mix->wr_idx =
-		(struct id_offset *)calloc(mix->id_sz, sizeof(mix->wr_idx[0]));
-	mix->buf_sz = buf_sz;
-
-	return mix;
-}
-
-void buffer_share_destroy(struct buffer_share *mix)
-{
-	if (!mix)
-		return;
-	free(mix->wr_idx);
-	free(mix);
-}
-
-int buffer_share_add_id(struct buffer_share *mix, unsigned int id, void *data)
-{
-	struct id_offset *o;
-
-	o = find_id(mix, id);
-	if (o)
-		return -EEXIST;
-
-	o = find_unused(mix);
-	if (!o)
-		alloc_more_ids(mix);
-
-	o = find_unused(mix);
-	o->used = 1;
-	o->id = id;
-	o->offset = 0;
-	o->data = data;
-
-	return 0;
-}
-
-int buffer_share_rm_id(struct buffer_share *mix, unsigned int id)
-{
-	struct id_offset *o;
-
-	o = find_id(mix, id);
-	if (!o)
-		return -ENOENT;
-	o->used = 0;
-	o->data = NULL;
-
-	return 0;
-}
-
-int buffer_share_offset_update(struct buffer_share *mix, unsigned int id,
-			       unsigned int delta)
-{
-	unsigned int i;
-
-	for (i = 0; i < mix->id_sz; i++) {
-		if (id != mix->wr_idx[i].id)
-			continue;
-
-		mix->wr_idx[i].offset += delta;
-		break;
-	}
-
-	return 0;
-}
-
-unsigned int buffer_share_get_new_write_point(struct buffer_share *mix)
-{
-	unsigned int min_written = mix->buf_sz + 1;
-	unsigned int i;
-
-	for (i = 0; i < mix->id_sz; i++) {
-		struct id_offset *o = &mix->wr_idx[i];
-
-		if (!o->used)
-			continue;
-
-		min_written = MIN(min_written, o->offset);
-	}
-	for (i = 0; i < mix->id_sz; i++) {
-		struct id_offset *o = &mix->wr_idx[i];
-		o->offset -= min_written;
-	}
-
-	if (min_written > mix->buf_sz)
-		return 0;
-
-	return min_written;
-}
-
-static struct id_offset *get_id_offset(const struct buffer_share *mix,
-				       unsigned int id)
-{
-	unsigned int i;
-	struct id_offset *o;
-
-	for (i = 0; i < mix->id_sz; i++) {
-		o = &mix->wr_idx[i];
-		if (o->used && o->id == id)
-			return o;
-	}
-	return NULL;
-}
-
-unsigned int buffer_share_id_offset(const struct buffer_share *mix,
-				    unsigned int id)
-{
-	struct id_offset *o = get_id_offset(mix, id);
-	return o ? o->offset : 0;
-}
-
-void *buffer_share_get_data(const struct buffer_share *mix, unsigned int id)
-{
-	struct id_offset *o = get_id_offset(mix, id);
-	return o ? o->data : NULL;
-}