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4680 | right-hear | 1 | #include "fitz.h" |
2 | |||
3 | void * |
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4 | fz_malloc(int size) |
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5 | { |
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6 | void *p = malloc(size); |
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7 | if (!p) |
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8 | { |
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9 | fprintf(stderr, "fatal error: out of memory\n"); |
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10 | abort(); |
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11 | } |
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12 | return p; |
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13 | } |
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14 | |||
15 | void * |
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16 | fz_calloc(int count, int size) |
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17 | { |
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18 | void *p; |
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19 | |||
20 | if (count == 0 || size == 0) |
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21 | return 0; |
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22 | |||
23 | if (count < 0 || size < 0 || count > INT_MAX / size) |
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24 | { |
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25 | fprintf(stderr, "fatal error: out of memory (integer overflow)\n"); |
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26 | abort(); |
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27 | } |
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28 | |||
29 | p = malloc(count * size); |
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30 | if (!p) |
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31 | { |
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32 | fprintf(stderr, "fatal error: out of memory\n"); |
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33 | abort(); |
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34 | } |
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35 | return p; |
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36 | } |
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37 | |||
38 | void * |
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39 | fz_realloc(void *p, int count, int size) |
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40 | { |
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41 | void *np; |
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42 | |||
43 | if (count == 0 || size == 0) |
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44 | { |
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45 | fz_free(p); |
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46 | return 0; |
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47 | } |
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48 | |||
49 | if (count < 0 || size < 0 || count > INT_MAX / size) |
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50 | { |
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51 | fprintf(stderr, "fatal error: out of memory (integer overflow)\n"); |
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52 | abort(); |
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53 | } |
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54 | |||
55 | np = realloc(p, count * size); |
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56 | if (np == NULL) |
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57 | { |
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58 | fprintf(stderr, "fatal error: out of memory\n"); |
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59 | abort(); |
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60 | } |
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61 | return np; |
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62 | } |
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63 | |||
64 | void |
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65 | fz_free(void *p) |
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66 | { |
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67 | free(p); |
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68 | } |
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69 | |||
70 | char * |
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71 | fz_strdup(char *s) |
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72 | { |
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73 | int len = strlen(s) + 1; |
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74 | char *ns = fz_malloc(len); |
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75 | memcpy(ns, s, len); |
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76 | return ns; |
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77 | }>>>> |