1 | /* |
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2 | * Copyright (c) 2010-2012 Gedare Bloom. |
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3 | * |
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4 | * The license and distribution terms for this file may be |
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5 | * found in the file LICENSE in this distribution or at |
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6 | * http://www.rtems.org/license/LICENSE. |
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7 | */ |
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8 | |
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9 | #if HAVE_CONFIG_H |
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10 | #include "config.h" |
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11 | #endif |
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12 | |
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13 | #include <rtems/score/rbtreeimpl.h> |
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14 | |
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15 | RTEMS_STATIC_ASSERT( |
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16 | sizeof( RBTree_Compare_result ) >= sizeof( intptr_t ), |
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17 | RBTree_Compare_result_intptr_t |
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18 | ); |
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19 | |
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20 | RTEMS_STATIC_ASSERT( |
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21 | sizeof( RBTree_Compare_result ) >= sizeof( int32_t ), |
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22 | RBTree_Compare_result_int32_t |
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23 | ); |
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24 | |
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25 | RBTree_Node *_RBTree_Insert( |
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26 | RBTree_Control *the_rbtree, |
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27 | RBTree_Node *the_node, |
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28 | RBTree_Compare compare, |
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29 | bool is_unique |
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30 | ) |
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31 | { |
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32 | RBTree_Node **which = _RBTree_Root_reference( the_rbtree ); |
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33 | RBTree_Node *parent = NULL; |
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34 | |
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35 | while ( *which != NULL ) { |
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36 | RBTree_Compare_result compare_result; |
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37 | |
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38 | parent = *which; |
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39 | compare_result = ( *compare )( the_node, parent ); |
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40 | |
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41 | if ( is_unique && _RBTree_Is_equal( compare_result ) ) { |
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42 | return parent; |
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43 | } |
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44 | |
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45 | if ( _RBTree_Is_lesser( compare_result ) ) { |
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46 | which = _RBTree_Left_reference( parent ); |
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47 | } else { |
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48 | which = _RBTree_Right_reference( parent ); |
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49 | } |
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50 | } |
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51 | |
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52 | _RBTree_Add_child( the_node, parent, which ); |
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53 | _RBTree_Insert_color( the_rbtree, the_node ); |
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54 | |
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55 | return NULL; |
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56 | } |
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57 | |
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58 | RB_GENERATE_INSERT_COLOR( RBTree_Control, RBTree_Node, Node, static inline ) |
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59 | |
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60 | void _RBTree_Insert_color( |
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61 | RBTree_Control *the_rbtree, |
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62 | RBTree_Node *the_node |
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63 | ) |
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64 | { |
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65 | RBTree_Control_RB_INSERT_COLOR( the_rbtree, the_node ); |
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66 | } |
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