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1 /* |
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2 * Copyright (c) 2009-2014 Petri Lehtinen <petri@digip.org> |
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3 * Copyright (c) 2011-2012 Basile Starynkevitch <basile@starynkevitch.net> |
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4 * |
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5 * Jansson is free software; you can redistribute it and/or modify it |
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6 * under the terms of the MIT license. See LICENSE for details. |
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7 */ |
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8 |
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9 #include <stdlib.h> |
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10 #include <string.h> |
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11 |
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12 #include "jansson.h" |
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13 #include "jansson_private.h" |
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14 |
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15 /* C89 allows these to be macros */ |
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16 #undef malloc |
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17 #undef free |
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18 |
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19 /* memory function pointers */ |
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20 static json_malloc_t do_malloc = malloc; |
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21 static json_free_t do_free = free; |
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22 |
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23 void *jsonp_malloc(size_t size) |
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24 { |
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25 if(!size) |
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26 return NULL; |
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27 |
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28 return (*do_malloc)(size); |
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29 } |
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30 |
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31 void jsonp_free(void *ptr) |
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32 { |
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33 if(!ptr) |
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34 return; |
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35 |
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36 (*do_free)(ptr); |
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37 } |
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38 |
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39 char *jsonp_strdup(const char *str) |
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40 { |
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41 return jsonp_strndup(str, strlen(str)); |
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42 } |
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43 |
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44 char *jsonp_strndup(const char *str, size_t len) |
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45 { |
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46 char *new_str; |
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47 |
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48 new_str = jsonp_malloc(len + 1); |
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49 if(!new_str) |
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50 return NULL; |
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51 |
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52 memcpy(new_str, str, len); |
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53 new_str[len] = '\0'; |
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54 return new_str; |
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55 } |
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56 |
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57 void json_set_alloc_funcs(json_malloc_t malloc_fn, json_free_t free_fn) |
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58 { |
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59 do_malloc = malloc_fn; |
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60 do_free = free_fn; |
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61 } |
