d4/dbb/linked__file__bag_8h_source.html

 /******************************************************************************/
 /******************************************************************************/

 #if !defined(ION_LINKED_FILE_BAG_H_)
 #define ION_LINKED_FILE_BAG_H_

 #if defined(__cplusplus)
 extern "C" {
 #endif

 #include "../key_value/kv_system.h"
 #include "ion_file.h"

 #define ION_LFB_NULL ION_FILE_NULL

 typedef struct linkedfilebag {
     ion_file_handle_t   file_handle;
     ion_file_offset_t   next_empty;
 } ion_lfb_t;

 ion_err_t
 lfb_put(
     ion_lfb_t           *bag,
     ion_byte_t          *to_write,
     unsigned int        num_bytes,
     ion_file_offset_t   next,
     ion_file_offset_t   *wrote_at
 );

 ion_err_t
 lfb_get(
     ion_lfb_t           *bag,
     ion_file_offset_t   offset,
     unsigned int        num_bytes,
     ion_byte_t          *write_to,
     ion_file_offset_t   *next
 );

 ion_err_t
 lfb_delete(
     ion_lfb_t           *bag,
     ion_file_offset_t   offset
 );

 ion_err_t
 lfb_delete_all(
     ion_lfb_t           *bag,
     ion_file_offset_t   offset,
     ion_result_count_t  *count
 );

 ion_err_t
 lfb_update(
     ion_lfb_t           *bag,
     ion_file_offset_t   offset,
     unsigned int        num_bytes,
     ion_byte_t          *to_write,
     ion_file_offset_t   *next
 );

 ion_err_t
 lfb_update_all(
     ion_lfb_t           *bag,
     ion_file_offset_t   offset,
     unsigned int        num_bytes,
     ion_byte_t          *to_write,
     ion_result_count_t  *count
 );

 #if defined(__cplusplus)
 }
 #endif

 #endif
ion_file.h
A file API for the ionDB.

ion_byte_t
unsigned char ion_byte_t
A byte type.
Definition: kv_system.h:232

lfb_update
ion_err_t lfb_update(ion_lfb_t *bag, ion_file_offset_t offset, unsigned int num_bytes, ion_byte_t *to_write, ion_file_offset_t *next)
Attempt to update a record within a linked file bag at a given offset.
Definition: linked_file_bag.c:178

next
#define next(b)
Definition: bpp_tree.c:82

linkedfilebag::file_handle
ion_file_handle_t file_handle
Definition: linked_file_bag.h:57

lfb_update_all
ion_err_t lfb_update_all(ion_lfb_t *bag, ion_file_offset_t offset, unsigned int num_bytes, ion_byte_t *to_write, ion_result_count_t *count)
Attempt to update all records kept within a specific bag, starting at some record at a given offset...
Definition: linked_file_bag.c:201

ion_err_t
char ion_err_t
The error type used to store error codes.
Definition: kv_system.h:226

ion_file_handle_t
FILE * ion_file_handle_t
Definition: ion_file.h:69

ion_file_offset_t
long ion_file_offset_t
Definition: ion_file.h:47

ion_lfb_t
struct linkedfilebag ion_lfb_t
A handler struct for a linked file bag instance.

linkedfilebag::next_empty
ion_file_offset_t next_empty
Definition: linked_file_bag.h:59

lfb_get
ion_err_t lfb_get(ion_lfb_t *bag, ion_file_offset_t offset, unsigned int num_bytes, ion_byte_t *write_to, ion_file_offset_t *next)
Add an item to the linked file bag.
Definition: linked_file_bag.c:88

lfb_delete_all
ion_err_t lfb_delete_all(ion_lfb_t *bag, ion_file_offset_t offset, ion_result_count_t *count)
Attempt to delete all contents from the bag starting at a given offset.
Definition: linked_file_bag.c:146

lfb_delete
ion_err_t lfb_delete(ion_lfb_t *bag, ion_file_offset_t offset)
Attempt to delete a record stored at a given offset.
Definition: linked_file_bag.c:138

lfb_put
ion_err_t lfb_put(ion_lfb_t *bag, ion_byte_t *to_write, unsigned int num_bytes, ion_file_offset_t next, ion_file_offset_t *wrote_at)
Add an item to the linked file bag.
Definition: linked_file_bag.c:45

ion_result_count_t
int ion_result_count_t
A type for the number of results changed during an operation.
Definition: kv_system.h:284

linkedfilebag
A handler struct for a linked file bag instance.
Definition: linked_file_bag.h:55