Mercurial > MadButterfly

annotate src/prop.c @ 1294:082fff7e9604

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author Thinker K.F. Li <thinker@codemud.net>
date Sat, 15 Jan 2011 23:07:29 +0800
parents 586e50f82c1f
children
rev   line source
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586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 251
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 251
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2 // vim: sw=4:ts=8:sts=4
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parents:
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3 #include "mb_prop.h"
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4
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5 #define ASSERT(x)
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6
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7
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8 static
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9 mb_prop_entry_t *_mb_prop_find(mb_prop_store_t *prop_store, int id) {
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10 mb_prop_entry_t *entry;
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11
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12 for(entry = STAILQ_HEAD(prop_store->entries);
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13 entry != NULL;
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14 entry = STAILQ_NEXT(mb_prop_entry_t, next, entry)) {
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15 if(entry->id == id)
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16 return entry;
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17 }
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 251
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18
224
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19 return NULL;
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20 }
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21
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22 void mb_prop_store_destroy(mb_prop_store_t *prop_store) {
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23 mb_prop_entry_t *entry, *last;
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24
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25 last = STAILQ_HEAD(prop_store->entries);
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26 if(last == NULL)
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27 return;
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28
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f08b3ba9c1d8 Remove potential memory address error.
Thinker K.F. Li <thinker@branda.to>
parents: 224
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29 for(entry = STAILQ_NEXT(mb_prop_entry_t, next, last);
224
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30 entry != NULL;
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31 entry = STAILQ_NEXT(mb_prop_entry_t, next, entry)) {
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32 STAILQ_REMOVE(prop_store->entries, mb_prop_entry_t, next, last);
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Thinker K.F. Li <thinker@branda.to>
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33 elmpool_elm_free(prop_store->entry_pool, last);
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34 last = entry;
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35 }
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36 STAILQ_REMOVE(prop_store->entries, mb_prop_entry_t, next, last);
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Thinker K.F. Li <thinker@branda.to>
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37 elmpool_elm_free(prop_store->entry_pool, last);
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38 }
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39
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40 void *mb_prop_set(mb_prop_store_t *prop_store, int id, void *value) {
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41 mb_prop_entry_t *entry;
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42 void *old;
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43
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44 entry = _mb_prop_find(prop_store, id);
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45 if(entry) {
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46 old = entry->value;
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47 entry->value = value;
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48 return old;
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49 }
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50
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51 entry = elmpool_elm_alloc(prop_store->entry_pool);
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52 ASSERT(entry != NULL);
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53 entry->id = id;
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54 entry->value = value;
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55 STAILQ_INS(prop_store->entries, mb_prop_entry_t, next, entry);
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56
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57 return NULL;
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58 }
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59
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60 void *mb_prop_get(mb_prop_store_t *prop_store, int id) {
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61 mb_prop_entry_t *entry;
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62
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63 entry = _mb_prop_find(prop_store, id);
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64 if(entry)
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65 return entry->value;
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66
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67 return NULL;
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68 }
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69
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70 void mb_prop_del(mb_prop_store_t *prop_store, int id) {
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71 mb_prop_entry_t *entry;
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72
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73 entry = _mb_prop_find(prop_store, id);
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74 if(entry)
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75 STAILQ_REMOVE(prop_store->entries, mb_prop_entry_t, next, entry);
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76 }
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77
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78 int mb_prop_has(mb_prop_store_t *prop_store, int id) {
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79 mb_prop_entry_t *entry;
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80
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81 entry = _mb_prop_find(prop_store, id);
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82 if(entry)
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83 return 1;
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586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 251
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84
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85 return 0;
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86 }