[Tarantool-patches] [PATCH 2/4] memtx: changed some memtx files from .c to .cc

mechanik20051988 mechanik20051988 at tarantool.org
Tue Dec 29 14:03:30 MSK 2020


From: mechanik20051988 <mechanik20.05.1988 at gmail.com>

---
 src/box/CMakeLists.txt                      |  4 +--
 src/box/field_map.h                         |  8 +++++
 src/box/{memtx_engine.c => memtx_engine.cc} | 38 ++++++++++++---------
 src/box/{memtx_space.c => memtx_space.cc}   | 15 ++++----
 4 files changed, 40 insertions(+), 25 deletions(-)
 rename src/box/{memtx_engine.c => memtx_engine.cc} (97%)
 rename src/box/{memtx_space.c => memtx_space.cc} (98%)

diff --git a/src/box/CMakeLists.txt b/src/box/CMakeLists.txt
index 19203f770..d2af89d05 100644
--- a/src/box/CMakeLists.txt
+++ b/src/box/CMakeLists.txt
@@ -127,8 +127,8 @@ add_library(box STATIC
     memtx_bitset.c
     memtx_tx.c
     engine.c
-    memtx_engine.c
-    memtx_space.c
+    memtx_engine.cc
+    memtx_space.cc
     sysview.c
     blackhole.c
     service_engine.c
diff --git a/src/box/field_map.h b/src/box/field_map.h
index d8ef726a1..5087d25e5 100644
--- a/src/box/field_map.h
+++ b/src/box/field_map.h
@@ -35,6 +35,10 @@
 #include <stddef.h>
 #include "bit/bit.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif /* defined(__cplusplus) */
+
 struct region;
 struct field_map_builder_slot;
 
@@ -257,4 +261,8 @@ field_map_build_size(struct field_map_builder *builder)
 void
 field_map_build(struct field_map_builder *builder, char *buffer);
 
+#if defined(__cplusplus)
+} /* extern "C" */
+#endif /* defined(__plusplus) */
+
 #endif /* TARANTOOL_BOX_FIELD_MAP_H_INCLUDED */
diff --git a/src/box/memtx_engine.c b/src/box/memtx_engine.cc
similarity index 97%
rename from src/box/memtx_engine.c
rename to src/box/memtx_engine.cc
index f79f14b4f..520a221dd 100644
--- a/src/box/memtx_engine.c
+++ b/src/box/memtx_engine.cc
@@ -552,7 +552,7 @@ struct checkpoint {
 static struct checkpoint *
 checkpoint_new(const char *snap_dirname, uint64_t snap_io_rate_limit)
 {
-	struct checkpoint *ckpt = malloc(sizeof(*ckpt));
+	struct checkpoint *ckpt = (struct checkpoint *)malloc(sizeof(*ckpt));
 	if (ckpt == NULL) {
 		diag_set(OutOfMemory, sizeof(*ckpt), "malloc",
 			 "struct checkpoint");
@@ -621,7 +621,7 @@ checkpoint_add_space(struct space *sp, void *data)
 	if (!pk)
 		return 0;
 	struct checkpoint *ckpt = (struct checkpoint *)data;
-	struct checkpoint_entry *entry = malloc(sizeof(*entry));
+	struct checkpoint_entry *entry = (struct checkpoint_entry *)malloc(sizeof(*entry));
 	if (entry == NULL) {
 		diag_set(OutOfMemory, sizeof(*entry),
 			 "malloc", "struct checkpoint_entry");
@@ -851,7 +851,7 @@ struct memtx_join_ctx {
 static int
 memtx_join_add_space(struct space *space, void *arg)
 {
-	struct memtx_join_ctx *ctx = arg;
+	struct memtx_join_ctx *ctx = (struct memtx_join_ctx *)arg;
 	if (!space_is_memtx(space))
 		return 0;
 	if (space_is_temporary(space))
@@ -861,7 +861,7 @@ memtx_join_add_space(struct space *space, void *arg)
 	struct index *pk = space_index(space, 0);
 	if (pk == NULL)
 		return 0;
-	struct memtx_join_entry *entry = malloc(sizeof(*entry));
+	struct memtx_join_entry *entry = (struct memtx_join_entry *)malloc(sizeof(*entry));
 	if (entry == NULL) {
 		diag_set(OutOfMemory, sizeof(*entry),
 			 "malloc", "struct memtx_join_entry");
@@ -881,7 +881,7 @@ static int
 memtx_engine_prepare_join(struct engine *engine, void **arg)
 {
 	(void)engine;
-	struct memtx_join_ctx *ctx = malloc(sizeof(*ctx));
+	struct memtx_join_ctx *ctx = (struct memtx_join_ctx *)malloc(sizeof(*ctx));
 	if (ctx == NULL) {
 		diag_set(OutOfMemory, sizeof(*ctx),
 			 "malloc", "struct memtx_join_ctx");
@@ -919,7 +919,7 @@ memtx_join_send_tuple(struct xstream *stream, uint32_t space_id,
 static int
 memtx_join_f(va_list ap)
 {
-	struct memtx_join_ctx *ctx = va_arg(ap, struct memtx_join_ctx *);
+	struct memtx_join_ctx *ctx = (struct memtx_join_ctx *)va_arg(ap, struct memtx_join_ctx *);
 	struct memtx_join_entry *entry;
 	rlist_foreach_entry(entry, &ctx->entries, in_ctx) {
 		struct snapshot_iterator *it = entry->iterator;
@@ -941,7 +941,7 @@ static int
 memtx_engine_join(struct engine *engine, void *arg, struct xstream *stream)
 {
 	(void)engine;
-	struct memtx_join_ctx *ctx = arg;
+	struct memtx_join_ctx *ctx = (struct memtx_join_ctx *)arg;
 	ctx->stream = stream;
 	/*
 	 * Memtx snapshot iterators are safe to use from another
@@ -962,7 +962,7 @@ static void
 memtx_engine_complete_join(struct engine *engine, void *arg)
 {
 	(void)engine;
-	struct memtx_join_ctx *ctx = arg;
+	struct memtx_join_ctx *ctx = (struct memtx_join_ctx *)arg;
 	struct memtx_join_entry *entry, *next;
 	rlist_foreach_entry_safe(entry, &ctx->entries, in_ctx, next) {
 		entry->iterator->free(entry->iterator);
@@ -1066,7 +1066,8 @@ memtx_engine_new(const char *snap_dirname, bool force_recovery,
 		 uint64_t tuple_arena_max_size, uint32_t objsize_min,
 		 bool dontdump, float alloc_factor)
 {
-	struct memtx_engine *memtx = calloc(1, sizeof(*memtx));
+	int64_t snap_signature;
+	struct memtx_engine *memtx = (struct memtx_engine *)calloc(1, sizeof(*memtx));
 	if (memtx == NULL) {
 		diag_set(OutOfMemory, sizeof(*memtx),
 			 "malloc", "struct memtx_engine");
@@ -1090,7 +1091,7 @@ memtx_engine_new(const char *snap_dirname, bool force_recovery,
 	 * So if the local directory isn't empty, read the snapshot
 	 * signature right now to initialize the instance UUID.
 	 */
-	int64_t snap_signature = xdir_last_vclock(&memtx->snap_dir, NULL);
+	snap_signature = xdir_last_vclock(&memtx->snap_dir, NULL);
 	if (snap_signature >= 0) {
 		struct xlog_cursor cursor;
 		if (xdir_open_cursor(&memtx->snap_dir,
@@ -1220,15 +1221,19 @@ memtx_tuple_new(struct tuple_format *format, const char *data, const char *end)
 	struct region *region = &fiber()->gc;
 	size_t region_svp = region_used(region);
 	struct field_map_builder builder;
+	uint32_t field_map_size, data_offset;
+	size_t tuple_len, total;
+	char *raw;
+
 	if (tuple_field_map_create(format, data, true, &builder) != 0)
 		goto end;
-	uint32_t field_map_size = field_map_build_size(&builder);
+	field_map_size = field_map_build_size(&builder);
 	/*
 	 * Data offset is calculated from the begin of the struct
 	 * tuple base, not from memtx_tuple, because the struct
 	 * tuple is not the first field of the memtx_tuple.
 	 */
-	uint32_t data_offset = sizeof(struct tuple) + field_map_size;
+	data_offset = sizeof(struct tuple) + field_map_size;
 	if (data_offset > INT16_MAX) {
 		/** tuple->data_offset is 15 bits */
 		diag_set(ClientError, ER_TUPLE_METADATA_IS_TOO_BIG,
@@ -1236,8 +1241,8 @@ memtx_tuple_new(struct tuple_format *format, const char *data, const char *end)
 		goto end;
 	}
 
-	size_t tuple_len = end - data;
-	size_t total = sizeof(struct memtx_tuple) + field_map_size + tuple_len;
+	tuple_len = end - data;
+	total = sizeof(struct memtx_tuple) + field_map_size + tuple_len;
 
 	ERROR_INJECT(ERRINJ_TUPLE_ALLOC, {
 		diag_set(OutOfMemory, total, "slab allocator", "memtx_tuple");
@@ -1250,7 +1255,8 @@ memtx_tuple_new(struct tuple_format *format, const char *data, const char *end)
 	}
 
 	struct memtx_tuple *memtx_tuple;
-	while ((memtx_tuple = smalloc(&memtx->alloc, total)) == NULL) {
+	while ((memtx_tuple = (struct memtx_tuple *)
+		smalloc(&memtx->alloc, total)) == NULL) {
 		bool stop;
 		memtx_engine_run_gc(memtx, &stop);
 		if (stop)
@@ -1269,7 +1275,7 @@ memtx_tuple_new(struct tuple_format *format, const char *data, const char *end)
 	tuple_format_ref(format);
 	tuple->data_offset = data_offset;
 	tuple->is_dirty = false;
-	char *raw = (char *) tuple + tuple->data_offset;
+	raw = (char *) tuple + tuple->data_offset;
 	field_map_build(&builder, raw - field_map_size);
 	memcpy(raw, data, tuple_len);
 	say_debug("%s(%zu) = %p", __func__, tuple_len, memtx_tuple);
diff --git a/src/box/memtx_space.c b/src/box/memtx_space.cc
similarity index 98%
rename from src/box/memtx_space.c
rename to src/box/memtx_space.cc
index 73b4c450e..e46e4eaeb 100644
--- a/src/box/memtx_space.c
+++ b/src/box/memtx_space.cc
@@ -861,8 +861,8 @@ struct memtx_ddl_state {
 static int
 memtx_check_on_replace(struct trigger *trigger, void *event)
 {
-	struct txn *txn = event;
-	struct memtx_ddl_state *state = trigger->data;
+	struct txn *txn = (struct txn *)event;
+	struct memtx_ddl_state *state = (struct memtx_ddl_state *)trigger->data;
 	struct txn_stmt *stmt = txn_current_stmt(txn);
 
 	/* Nothing to check on DELETE. */
@@ -985,8 +985,8 @@ memtx_init_ephemeral_space(struct space *space)
 static int
 memtx_build_on_replace(struct trigger *trigger, void *event)
 {
-	struct txn *txn = event;
-	struct memtx_ddl_state *state = trigger->data;
+	struct txn *txn = (struct txn *)event;
+	struct memtx_ddl_state *state = (struct memtx_ddl_state *)trigger->data;
 	struct txn_stmt *stmt = txn_current_stmt(txn);
 
 	struct tuple *cmp_tuple = stmt->new_tuple != NULL ? stmt->new_tuple :
@@ -1006,12 +1006,12 @@ memtx_build_on_replace(struct trigger *trigger, void *event)
 		return 0;
 	}
 
-	struct tuple *delete = NULL;
+	struct tuple *unused = nullptr;
 	enum dup_replace_mode mode =
 		state->index->def->opts.is_unique ? DUP_INSERT :
 						    DUP_REPLACE_OR_INSERT;
 	state->rc = index_replace(state->index, stmt->old_tuple,
-				  stmt->new_tuple, mode, &delete);
+				  stmt->new_tuple, mode, &unused);
 	if (state->rc != 0) {
 		diag_move(diag_get(), &state->diag);
 		return 0;
@@ -1193,7 +1193,8 @@ struct space *
 memtx_space_new(struct memtx_engine *memtx,
 		struct space_def *def, struct rlist *key_list)
 {
-	struct memtx_space *memtx_space = malloc(sizeof(*memtx_space));
+	struct memtx_space *memtx_space =
+		(struct memtx_space *)malloc(sizeof(*memtx_space));
 	if (memtx_space == NULL) {
 		diag_set(OutOfMemory, sizeof(*memtx_space),
 			 "malloc", "struct memtx_space");
-- 
2.20.1



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