diff options
Diffstat (limited to 'innobase/dyn/dyn0dyn.c')
-rw-r--r-- | innobase/dyn/dyn0dyn.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/innobase/dyn/dyn0dyn.c b/innobase/dyn/dyn0dyn.c new file mode 100644 index 00000000000..0afe6eda856 --- /dev/null +++ b/innobase/dyn/dyn0dyn.c @@ -0,0 +1,48 @@ +/****************************************************** +The dynamically allocated array + +(c) 1996 Innobase Oy + +Created 2/5/1996 Heikki Tuuri +*******************************************************/ + +#include "dyn0dyn.h" +#ifdef UNIV_NONINL +#include "dyn0dyn.ic" +#endif + +/**************************************************************** +Adds a new block to a dyn array. */ + +dyn_block_t* +dyn_array_add_block( +/*================*/ + /* out: created block */ + dyn_array_t* arr) /* in: dyn array */ +{ + mem_heap_t* heap; + dyn_block_t* block; + + ut_ad(arr); + ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N); + + if (arr->heap == NULL) { + UT_LIST_INIT(arr->base); + UT_LIST_ADD_FIRST(list, arr->base, arr); + + arr->heap = mem_heap_create(sizeof(dyn_block_t)); + } + + block = dyn_array_get_last_block(arr); + block->used = block->used | DYN_BLOCK_FULL_FLAG; + + heap = arr->heap; + + block = mem_heap_alloc(heap, sizeof(dyn_block_t)); + + block->used = 0; + + UT_LIST_ADD_LAST(list, arr->base, block); + + return(block); +} |