mem0mem.ic Changes to eliminate unnecessary Purify warnings (59f9fc4f) · Commits · Software / OSDI20 Artifacts / mariadb

innobase/include/mem0mem.ic

+10 −2

Original line number	Diff line number	Diff line
		@@ -170,7 +170,9 @@ mem_heap_alloc(
		buf = (byte*)buf + MEM_FIELD_HEADER_SIZE;

		#endif

		#ifdef UNIV_SET_MEM_TO_ZERO
		memset(buf, '\0', n);
		#endif
		return(buf);
		}

		@@ -494,8 +496,14 @@ mem_alloc_func(
		)
		{
		#ifndef UNIV_MEM_DEBUG
		void* buf;

		return(mem_area_alloc(n, mem_comm_pool));
		buf = mem_area_alloc(n, mem_comm_pool);

		#ifdef UNIV_SET_MEM_TO_ZERO
		memset(buf, '\0', n);
		#endif
		return(buf);

		#else

+30 −3

Original line number	Diff line number	Diff line
		@@ -26,12 +26,39 @@ int
		ut_memcmp(void* str1, void* str2, ulint n);


		/**************************************************************************
		Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is
		defined and set_to_zero is TRUE. */

		void*
		ut_malloc(ulint n);
		ut_malloc_low(
		/==========/
		/* out, own: allocated memory */
		ulint n, /* in: number of bytes to allocate */
		ibool set_to_zero); /* in: TRUE if allocated memory should be set
		to zero if UNIV_SET_MEM_TO_ZERO is defined */
		/**************************************************************************
		Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is
		defined. */

		void*
		ut_malloc(
		/======/
		/* out, own: allocated memory */
		ulint n); /* in: number of bytes to allocate */
		/**************************************************************************
		Frees a memory bloock allocated with ut_malloc. */

		void
		ut_free(
		/====/
		void* ptr); /* in, own: memory block */
		/**************************************************************************
		Frees all allocated memory not freed yet. */

		UNIV_INLINE
		void
		ut_free(void* ptr);
		ut_free_all_mem(void);
		/=================/

		UNIV_INLINE
		char*

+0 −7

Original line number	Diff line number	Diff line
		@@ -27,13 +27,6 @@ ut_memcmp(void* str1, void* str2, ulint n)
		return(memcmp(str1, str2, n));
		}

		UNIV_INLINE
		void
		ut_free(void* ptr)
		{
		free(ptr);
		}

		UNIV_INLINE
		char*
		ut_strcpy(char* dest, char* sour)

+5 −1

Original line number	Diff line number	Diff line
		@@ -170,7 +170,11 @@ mem_pool_create(

		pool = ut_malloc(sizeof(mem_pool_t));

		pool->buf = ut_malloc(size);
		/* We do not set the memory to zero (FALSE) in the pool,
		but only when allocated at a higher level in mem0mem.c.
		This is to avoid masking useful Purify warnings. */

		pool->buf = ut_malloc_low(size, FALSE);
		pool->size = size;

		mutex_create(&(pool->mutex));

+2 −0

Original line number	Diff line number	Diff line
		@@ -916,5 +916,7 @@ innobase_shutdown_for_mysql(void)

		logs_empty_and_mark_files_at_shutdown();

		ut_free_all_mem();

		return((int) DB_SUCCESS);
		}