stos: ob: Implement ObCreateObject() helper
The ObCreateObject() is responsible for creating and allocating new objects, we'll need this to even have directories and such. Signed-off-by: Chloe M. <chloe@mensia.org>
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@@ -9,11 +9,15 @@
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#ifndef _OB_OBJECT_H_
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#define _OB_OBJECT_H_ 1
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#include <stapi/status.h>
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#include <stdef.h>
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/* Maximum size of system object names */
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#define OBJECT_NAMESZ 32
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/* Slut tag for pool allocations */
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#define OBJECT_POOL_TAG 'OB'
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/*
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* Represents valid object types
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*
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@@ -52,4 +56,17 @@ typedef struct {
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USIZE EntryCount;
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} OBJECT_DIRECTORY;
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/*
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* Allocate and create a new objec
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*
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* @Name: Object name
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* @Type: Object type
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* @Data: Actual backing data
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* @Result: Result is written here
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*/
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ST_STATUS ObCreateObject(
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const CHAR *Name, OBJECT_TYPE Type,
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VOID *Data, ST_OBJECT **Result
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);
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#endif /* !_OB_OBJECT_H_ */
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@@ -16,6 +16,7 @@ CFILES += $(shell find ../lib -name "*.c")
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CFILES += $(shell find ../drivers -name "*.c")
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CFILES += $(shell find ../mm -name "*.c")
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CFILES += $(shell find ../ex -name "*.c")
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CFILES += $(shell find ../ob -name "*.c")
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CFILES += $(shell find bpal -name "*.c")
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CFILES += $(shell find synch -name "*.c")
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DFILES = $(CFILES:.c=.d)
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@@ -0,0 +1,45 @@
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/*
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* Copyright (c) 2026, Chloe M.
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* Provided under the BSD-3 clause.
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*
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* Description: Object manager
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* Author: Chloe M.
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*/
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#include <ob/object.h>
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#include <ex/pool.h>
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#include <string.h>
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ST_STATUS
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ObCreateObject(const CHAR *Name, OBJECT_TYPE Type, VOID *Data, ST_OBJECT **Result)
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{
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ST_OBJECT *Object;
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USIZE NameLen;
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if (Name == NULL || Result == NULL) {
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return STATUS_INVALID_PARAM;
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}
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NameLen = RtlStrLen(Name);
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if (NameLen >= OBJECT_NAMESZ - 1) {
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return STATUS_NAME_TOO_LONG;
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}
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Object = ExAllocatePoolWithTag(
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POOL_NON_PAGED,
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sizeof(*Object),
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OBJECT_POOL_TAG
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);
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if (Object == NULL) {
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return STATUS_NO_MEMORY;
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}
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RtlMemCpy(Object->Name, Name, NameLen);
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Object->Name[NameLen] = '\0';
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Object->RefCount = 1;
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Object->Type = Type;
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Object->Data = Data;
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*Result = Object;
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return STATUS_SUCCESS;
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}
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