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339
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1 /*
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2 lw_mem.c
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3
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4 Copyright © 2008 William Astle
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5
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6 This file is part of LWASM.
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7
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8 LWASM is free software: you can redistribute it and/or modify it under the
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9 terms of the GNU General Public License as published by the Free Software
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10 Foundation, either version 3 of the License, or (at your option) any later
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11 version.
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12
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13 This program is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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16 more details.
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17
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18 You should have received a copy of the GNU General Public License along with
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19 this program. If not, see <http://www.gnu.org/licenses/>.
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20 */
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21
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22 #include <stdlib.h>
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23
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24 void (*lw_mem_error)(size_t s) = NULL;
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25
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26 void *lw_malloc(size_t s)
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27 {
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28 void *r;
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29
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30 if (s < 1)
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31 s = 1;
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32 r = malloc(s);
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33 if (!r && lw_mem_error)
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34 (*lw_mem_error)(s);
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35 return r;
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36 }
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37
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38 void *lw_calloc(size_t s)
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39 {
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40 void *r;
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41
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42 if (s < 1)
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43 s = 1;
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44 r = calloc(s, 1);
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45 if (!r && lw_mem_error)
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46 (*lw_mem_error)(s);
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47 return r;
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48 }
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49
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50 void lw_free(void *p)
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51 {
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52 if (p)
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53 free(p);
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54 }
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55
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56 void *lw_realloc(void *p, size_t s)
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57 {
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58 void *r;
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59
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60 if (s < 1)
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61 {
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62 free(p);
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63 return NULL;
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64 }
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65
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66 r = realloc(p, s);
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67 if (!r && lw_mem_error)
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68 (*lw_mem_error)(s);
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69 return r;
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70 }
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