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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 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 | } |