mirror of https://github.com/milvus-io/milvus.git
116 lines
3.1 KiB
C
116 lines
3.1 KiB
C
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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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static inline int
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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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static inline void
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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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static inline void
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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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static inline void
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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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static inline int
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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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static inline void
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ArrowArrayMarkReleased(struct ArrowArray* array) {
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array->release = NULL;
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}
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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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static inline void
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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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static inline void
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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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static inline int
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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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static inline void
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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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static inline void
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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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static inline void
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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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