| |
| /* |
| * Name: deleteDataObject |
| * Input: DataObject to delete |
| * Output: none |
| * Return: void |
| * Description: Routine deletes given data object, including all non-key |
| * character sequences. |
| * Calls: |
| * System: assert() |
| * free() |
| * Author: M.L.Rivas |
| * |
| * Revision History: |
| * |
| * Date Name Revision |
| * ------- --------------- ------------------------------ |
| * 24May99 Matthew Rivas Created |
| * 23Jun99 Matthew Rivas Added initializer to numberOfAttributes to prevent |
| * warning message during compilation |
| * |
| * Copyright 1999, Atlantic Aerospace Electronics Corp. |
| */ |
| |
| #include <assert.h> /* for assert() */ |
| #include <stdlib.h> /* for free() and NULL definitions */ |
| #include "dataManagement.h" /* for primitive type definitions */ |
| #include "dataObject.h" /* for DataObject and DataObjectType definitions */ |
| |
| void deleteDataObject( DataObject * dataObject ) /* object to delete */ |
| { /* beginning of deleteDataObject() */ |
| Int i; /* looping index for attributes */ |
| Int numberOfAttributes; /* number of attributes specified by object type */ |
| |
| assert( dataObject ); |
| assert( !( dataObject->type != SMALL && \ |
| dataObject->type != MEDIUM && \ |
| dataObject->type != LARGE ) ); |
| assert( MIN_ATTRIBUTE_CODE < NUM_OF_KEY_ATTRIBUTES ); |
| assert( MIN_ATTRIBUTE_CODE < MAX_ATTRIBUTE_CODE ); |
| assert( MAX_ATTRIBUTE_CODE < NUM_OF_LARGE_ATTRIBUTES ); |
| assert( NUM_OF_KEY_ATTRIBUTES < NUM_OF_SMALL_ATTRIBUTES ); |
| assert( NUM_OF_KEY_ATTRIBUTES < NUM_OF_MEDIUM_ATTRIBUTES ); |
| assert( NUM_OF_KEY_ATTRIBUTES < NUM_OF_LARGE_ATTRIBUTES ); |
| |
| /* |
| * Determine number of attributes to delete based on type |
| */ |
| numberOfAttributes = 0; |
| if ( dataObject->type == SMALL ) { |
| numberOfAttributes = NUM_OF_SMALL_ATTRIBUTES; |
| } /* end if ( dataObjectType == SMALL ) */ |
| else if ( dataObject->type == MEDIUM ) { |
| numberOfAttributes = NUM_OF_MEDIUM_ATTRIBUTES; |
| } /* end if ( dataObjectType == MEDIUM ) */ |
| else if ( dataObject->type == LARGE ) { |
| numberOfAttributes = NUM_OF_LARGE_ATTRIBUTES; |
| } /* end if ( dataObjectType == LARGE ) */ |
| |
| /* |
| * Delete the object's non-key attribute values. The number of values is |
| * based on the data object type. |
| */ |
| for ( i = NUM_OF_KEY_ATTRIBUTES; i < numberOfAttributes; i++ ) { |
| if ( dataObject->attributes[ i ].value.nonKey != NULL ) { |
| free( dataObject->attributes[ i ].value.nonKey ); |
| } /* end of if ( dataObject->attributes[ i ].nonKey != NULL ) */ |
| } /* end of loop for i */ |
| |
| /* |
| * Delete data object |
| */ |
| free( dataObject->attributes ); |
| free( dataObject ); |
| dataObject = NULL; |
| |
| return; |
| } /* end of deleteDataObject() */ |
