diff options
Diffstat (limited to 'storage/innobase/include/ut0mem.h')
| -rw-r--r-- | storage/innobase/include/ut0mem.h | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/storage/innobase/include/ut0mem.h b/storage/innobase/include/ut0mem.h index b9bbe0b5c92..6e4a265349f 100644 --- a/storage/innobase/include/ut0mem.h +++ b/storage/innobase/include/ut0mem.h @@ -36,12 +36,13 @@ defined and set_to_zero is TRUE. */ void* 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 */ - ibool assert_on_error); /* in: if TRUE, we crash mysqld if the memory - cannot be allocated */ + /* 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 */ + ibool assert_on_error); /* in: if TRUE, we crash mysqld if + the memory cannot be allocated */ /************************************************************************** Allocates memory. Sets it also to zero if UNIV_SET_MEM_TO_ZERO is defined. */ @@ -49,8 +50,8 @@ defined. */ void* ut_malloc( /*======*/ - /* out, own: allocated memory */ - ulint n); /* in: number of bytes to allocate */ + /* out, own: allocated memory */ + ulint n); /* in: number of bytes to allocate */ /************************************************************************** Tests if malloc of n bytes would succeed. ut_malloc() asserts if memory runs out. It cannot be used if we want to return an error message. Prints to @@ -78,10 +79,10 @@ man realloc in Linux, 2004: realloc() changes the size of the memory block pointed to by ptr to size bytes. The contents will be unchanged to the minimum of the old and new sizes; newly allocated mem - ory will be uninitialized. If ptr is NULL, the call is + ory will be uninitialized. If ptr is NULL, the call is equivalent to malloc(size); if size is equal to zero, the - call is equivalent to free(ptr). Unless ptr is NULL, it - must have been returned by an earlier call to malloc(), + call is equivalent to free(ptr). Unless ptr is NULL, it + must have been returned by an earlier call to malloc(), calloc() or realloc(). RETURN VALUE @@ -89,8 +90,8 @@ RETURN VALUE which is suitably aligned for any kind of variable and may be different from ptr, or NULL if the request fails. If size was equal to 0, either NULL or a pointer suitable to - be passed to free() is returned. If realloc() fails the - original block is left untouched - it is not freed or + be passed to free() is returned. If realloc() fails the + original block is left untouched - it is not freed or moved. */ void* @@ -154,7 +155,7 @@ ut_strlenq( char q); /* in: the quote character */ /************************************************************************** -Make a quoted copy of a NUL-terminated string. Leading and trailing +Make a quoted copy of a NUL-terminated string. Leading and trailing quotes will not be included; only embedded quotes will be escaped. See also ut_strlenq() and ut_memcpyq(). */ |