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author | Jean-Baptiste Queru <jbq@google.com> | 2009-07-29 23:56:48 +0200 |
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committer | Jean-Baptiste Queru <jbq@google.com> | 2009-07-29 23:56:48 +0200 |
commit | 34109de24e124dff020b26552d46b20299d779fd (patch) | |
tree | a56912e18b608b123f1c4454293d2b2aa36fa96a /amend/symtab.c | |
parent | Merge korg/donut into korg/master (diff) | |
parent | remove amend (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | amend/symtab.c | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/amend/symtab.c b/amend/symtab.c deleted file mode 100644 index 835d2fc40..000000000 --- a/amend/symtab.c +++ /dev/null @@ -1,132 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <stdlib.h> -#include <string.h> -#include "symtab.h" - -#define DEFAULT_TABLE_SIZE 16 - -typedef struct { - char *symbol; - const void *cookie; - unsigned int flags; -} SymbolTableEntry; - -struct SymbolTable { - SymbolTableEntry *table; - int numEntries; - int maxSize; -}; - -SymbolTable * -createSymbolTable() -{ - SymbolTable *tab; - - tab = (SymbolTable *)malloc(sizeof(SymbolTable)); - if (tab != NULL) { - tab->numEntries = 0; - tab->maxSize = DEFAULT_TABLE_SIZE; - tab->table = (SymbolTableEntry *)malloc( - tab->maxSize * sizeof(SymbolTableEntry)); - if (tab->table == NULL) { - free(tab); - tab = NULL; - } - } - return tab; -} - -void -deleteSymbolTable(SymbolTable *tab) -{ - if (tab != NULL) { - while (tab->numEntries > 0) { - free(tab->table[--tab->numEntries].symbol); - } - free(tab->table); - } -} - -void * -findInSymbolTable(SymbolTable *tab, const char *symbol, unsigned int flags) -{ - int i; - - if (tab == NULL || symbol == NULL) { - return NULL; - } - - // TODO: Sort the table and binary search - for (i = 0; i < tab->numEntries; i++) { - if (strcmp(tab->table[i].symbol, symbol) == 0 && - tab->table[i].flags == flags) - { - return (void *)tab->table[i].cookie; - } - } - - return NULL; -} - -int -addToSymbolTable(SymbolTable *tab, const char *symbol, unsigned int flags, - const void *cookie) -{ - if (tab == NULL || symbol == NULL || cookie == NULL) { - return -1; - } - - /* Make sure that this symbol isn't already in the table. - */ - if (findInSymbolTable(tab, symbol, flags) != NULL) { - return -2; - } - - /* Make sure there's enough space for the new entry. - */ - if (tab->numEntries == tab->maxSize) { - SymbolTableEntry *newTable; - int newSize; - - newSize = tab->numEntries * 2; - if (newSize < DEFAULT_TABLE_SIZE) { - newSize = DEFAULT_TABLE_SIZE; - } - newTable = (SymbolTableEntry *)realloc(tab->table, - newSize * sizeof(SymbolTableEntry)); - if (newTable == NULL) { - return -1; - } - tab->maxSize = newSize; - tab->table = newTable; - } - - /* Insert the new entry. - */ - symbol = strdup(symbol); - if (symbol == NULL) { - return -1; - } - // TODO: Sort the table - tab->table[tab->numEntries].symbol = (char *)symbol; - tab->table[tab->numEntries].cookie = cookie; - tab->table[tab->numEntries].flags = flags; - tab->numEntries++; - - return 0; -} |