[Tarantool-patches] [PATCH 1/2] util: move cmp_i64 from xlog.c to util.h
Serge Petrenko
sergepetrenko at tarantool.org
Sun Jul 5 00:55:48 MSK 2020
The comparator will be needed in other files too, e.g. box.cc
Prerequisite #4849
---
src/box/xlog.c | 10 +---------
src/trivia/util.h | 11 +++++++++++
2 files changed, 12 insertions(+), 9 deletions(-)
diff --git a/src/box/xlog.c b/src/box/xlog.c
index b5b082a20..05f8c2e29 100644
--- a/src/box/xlog.c
+++ b/src/box/xlog.c
@@ -46,6 +46,7 @@
#include "xrow.h"
#include "iproto_constants.h"
#include "errinj.h"
+#include "trivia/util.h"
/*
* FALLOC_FL_KEEP_SIZE flag has existed since fallocate() was
@@ -475,15 +476,6 @@ xdir_open_cursor(struct xdir *dir, int64_t signature,
return 0;
}
-static int
-cmp_i64(const void *_a, const void *_b)
-{
- const int64_t *a = (const int64_t *) _a, *b = (const int64_t *) _b;
- if (*a == *b)
- return 0;
- return (*a > *b) ? 1 : -1;
-}
-
/**
* Scan (or rescan) a directory with snapshot or write ahead logs.
* Read all files matching a pattern from the directory -
diff --git a/src/trivia/util.h b/src/trivia/util.h
index 29c7f0194..b344af303 100644
--- a/src/trivia/util.h
+++ b/src/trivia/util.h
@@ -534,6 +534,17 @@ double_compare_int64(double lhs, int64_t rhs, int k)
return double_compare_nint64(lhs, rhs, k);
}
+/**
+ * Compare two operands as int64_t.
+ * Needed for qsort.
+ */
+static inline int
+cmp_i64(const void *_a, const void *_b)
+{
+ const int64_t *a = (const int64_t *) _a, *b = (const int64_t *) _b;
+ return COMPARE_RESULT(*a, *b);
+}
+
/**
* Put the current thread in sleep for the given number of
* seconds.
--
2.24.3 (Apple Git-128)
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