X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Finclude%2Fcore%2Fobject.h;h=2f6470e01c8ee5350b75a7300029e88162b759a3;hb=7cc01057fdd29f6dce1c678f7d88c0c8232df835;hp=dce562c42fbb697865a4eab0dc1f5f5ead143b08;hpb=523a1d37d7040620a81b55f7e78474b23b695bdc;p=sysdb.git diff --git a/src/include/core/object.h b/src/include/core/object.h index dce562c..2f6470e 100644 --- a/src/include/core/object.h +++ b/src/include/core/object.h @@ -46,15 +46,16 @@ struct sdb_type { int (*init)(sdb_object_t *, va_list); void (*destroy)(sdb_object_t *); - sdb_object_t *(*clone)(const sdb_object_t *); }; -#define SDB_TYPE_INIT { 0, NULL, NULL, NULL } +#define SDB_TYPE_INIT { 0, NULL, NULL } struct sdb_object { sdb_type_t type; int ref_cnt; + char *name; }; -#define SDB_OBJECT_INIT { SDB_TYPE_INIT, 1 } +#define SDB_OBJECT_INIT { SDB_TYPE_INIT, 1, NULL } +#define SDB_OBJECT_TYPED_INIT(t) { (t), 1, NULL } typedef struct { sdb_object_t super; @@ -63,19 +64,23 @@ typedef struct { } sdb_object_wrapper_t; #define SDB_OBJ(obj) ((sdb_object_t *)(obj)) +#define SDB_CONST_OBJ(obj) ((const sdb_object_t *)(obj)) #define SDB_OBJ_WRAPPER(obj) ((sdb_object_wrapper_t *)(obj)) +#define SDB_CONST_OBJ_WRAPPER(obj) ((const sdb_object_wrapper_t *)(obj)) /* * sdb_object_create: - * Allocates a new sdb_object_t of the specified 'type'. The object will be - * initialized to zero and then passed on to the 'init' function (if + * Allocates a new sdb_object_t of the specified 'name' and 'type'. The object + * will be initialized to zero and then passed on to the 'init' function (if * specified). If specified, the 'destroy' callback will be called, when the * reference count drops to zero and before freeing the memory allocated by * the object itself. * * The init function will be called with the remaining arguments passed to * sdb_object_create. If the init function fails (returns a non-zero value), - * the object will be destructed and destroyed. + * the object will be destructed and destroyed. In this case, the 'destroy' + * callback may be called on objects that were only half-way initialized. The + * callback has to handle that case correctly. * * The reference count of the new object will be 1. * @@ -84,7 +89,23 @@ typedef struct { * - NULL on error */ sdb_object_t * -sdb_object_create(sdb_type_t type, ...); +sdb_object_create(const char *name, sdb_type_t type, ...); +sdb_object_t * +sdb_object_vcreate(const char *name, sdb_type_t type, va_list ap); + +/* + * sdb_object_create_simple: + * Create a "simple" object without custom initialization and destructor. + * See the description of sdb_object_create for more details. + */ +sdb_object_t * +sdb_object_create_simple(const char *name, size_t size); + +/* + * sdb_object_create_T: + * Create a simple object of type 't'. + */ +#define sdb_object_create_T(n,t) sdb_object_create_simple((n), sizeof(t)) /* * sdb_object_create_wrapper: @@ -94,7 +115,8 @@ sdb_object_create(sdb_type_t type, ...); * of the SysDB object system. */ sdb_object_t * -sdb_object_create_wrapper(void *data, void (*destructor)(void *)); +sdb_object_create_wrapper(const char *name, + void *data, void (*destructor)(void *)); #define SDB_OBJECT_WRAPPER_STATIC(obj, destructor) \ { SDB_OBJECT_INIT, (obj), (destructor) } @@ -117,17 +139,16 @@ void sdb_object_ref(sdb_object_t *obj); /* - * sdb_object_clone: - * Clone an existing object using its type's 'clone' callback. The callback is - * responsible for correctly initializing a new object (which may be done - * using the object create function or the object's type's init function). + * sdb_object_cmp_by_name: + * Compare two objects by their name ignoring the case of the characters. * * Returns: - * - the cloned object on success - * - NULL on error or if no clone callback is available + * - a negative value if o1 compares less than o2 + * - zero if o1 matches o2 + * - a positive value if o1 compares greater than o2 */ -sdb_object_t * -sdb_object_clone(const sdb_object_t *obj); +int +sdb_object_cmp_by_name(const sdb_object_t *o1, const sdb_object_t *o2); #ifdef __cplusplus } /* extern "C" */