mirror of
https://github.com/aykhans/AzSuicideDataVisualization.git
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118 lines
3.8 KiB
C
118 lines
3.8 KiB
C
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#pragma once
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#include <assert.h>
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#include <string.h>
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#include "arrow/c/abi.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/// Query whether the C schema is released
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inline int ArrowSchemaIsReleased(const struct ArrowSchema* schema) {
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return schema->release == NULL;
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}
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/// Mark the C schema released (for use in release callbacks)
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inline void ArrowSchemaMarkReleased(struct ArrowSchema* schema) {
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schema->release = NULL;
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}
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/// Move the C schema from `src` to `dest`
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///
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/// Note `dest` must *not* point to a valid schema already, otherwise there
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/// will be a memory leak.
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inline void ArrowSchemaMove(struct ArrowSchema* src, struct ArrowSchema* dest) {
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assert(dest != src);
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assert(!ArrowSchemaIsReleased(src));
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memcpy(dest, src, sizeof(struct ArrowSchema));
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ArrowSchemaMarkReleased(src);
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}
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/// Release the C schema, if necessary, by calling its release callback
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inline void ArrowSchemaRelease(struct ArrowSchema* schema) {
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if (!ArrowSchemaIsReleased(schema)) {
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schema->release(schema);
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assert(ArrowSchemaIsReleased(schema));
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}
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}
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/// Query whether the C array is released
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inline int ArrowArrayIsReleased(const struct ArrowArray* array) {
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return array->release == NULL;
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}
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/// Mark the C array released (for use in release callbacks)
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inline void ArrowArrayMarkReleased(struct ArrowArray* array) { array->release = NULL; }
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/// Move the C array from `src` to `dest`
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///
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/// Note `dest` must *not* point to a valid array already, otherwise there
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/// will be a memory leak.
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inline void ArrowArrayMove(struct ArrowArray* src, struct ArrowArray* dest) {
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assert(dest != src);
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assert(!ArrowArrayIsReleased(src));
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memcpy(dest, src, sizeof(struct ArrowArray));
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ArrowArrayMarkReleased(src);
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}
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/// Release the C array, if necessary, by calling its release callback
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inline void ArrowArrayRelease(struct ArrowArray* array) {
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if (!ArrowArrayIsReleased(array)) {
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array->release(array);
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assert(ArrowArrayIsReleased(array));
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}
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}
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/// Query whether the C array stream is released
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inline int ArrowArrayStreamIsReleased(const struct ArrowArrayStream* stream) {
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return stream->release == NULL;
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}
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/// Mark the C array stream released (for use in release callbacks)
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inline void ArrowArrayStreamMarkReleased(struct ArrowArrayStream* stream) {
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stream->release = NULL;
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}
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/// Move the C array stream from `src` to `dest`
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///
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/// Note `dest` must *not* point to a valid stream already, otherwise there
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/// will be a memory leak.
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inline void ArrowArrayStreamMove(struct ArrowArrayStream* src,
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struct ArrowArrayStream* dest) {
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assert(dest != src);
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assert(!ArrowArrayStreamIsReleased(src));
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memcpy(dest, src, sizeof(struct ArrowArrayStream));
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ArrowArrayStreamMarkReleased(src);
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}
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/// Release the C array stream, if necessary, by calling its release callback
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inline void ArrowArrayStreamRelease(struct ArrowArrayStream* stream) {
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if (!ArrowArrayStreamIsReleased(stream)) {
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stream->release(stream);
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assert(ArrowArrayStreamIsReleased(stream));
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}
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}
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#ifdef __cplusplus
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}
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#endif
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