root / qemu-malloc.c @ f97572e5
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1 | 17e2377a | pbrook | /*
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2 | 17e2377a | pbrook | * malloc-like functions for system emulation.
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3 | 17e2377a | pbrook | *
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4 | 17e2377a | pbrook | * Copyright (c) 2006 Fabrice Bellard
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5 | 17e2377a | pbrook | *
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6 | 17e2377a | pbrook | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 17e2377a | pbrook | * of this software and associated documentation files (the "Software"), to deal
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8 | 17e2377a | pbrook | * in the Software without restriction, including without limitation the rights
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9 | 17e2377a | pbrook | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 17e2377a | pbrook | * copies of the Software, and to permit persons to whom the Software is
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11 | 17e2377a | pbrook | * furnished to do so, subject to the following conditions:
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12 | 17e2377a | pbrook | *
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13 | 17e2377a | pbrook | * The above copyright notice and this permission notice shall be included in
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14 | 17e2377a | pbrook | * all copies or substantial portions of the Software.
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15 | 17e2377a | pbrook | *
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16 | 17e2377a | pbrook | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 17e2377a | pbrook | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 17e2377a | pbrook | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 17e2377a | pbrook | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 17e2377a | pbrook | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 17e2377a | pbrook | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 17e2377a | pbrook | * THE SOFTWARE.
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23 | 17e2377a | pbrook | */
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24 | 17e2377a | pbrook | #include "qemu-common.h" |
25 | 17e2377a | pbrook | |
26 | 17e2377a | pbrook | void *get_mmap_addr(unsigned long size) |
27 | 17e2377a | pbrook | { |
28 | 17e2377a | pbrook | return NULL; |
29 | 17e2377a | pbrook | } |
30 | 17e2377a | pbrook | |
31 | 17e2377a | pbrook | void qemu_free(void *ptr) |
32 | 17e2377a | pbrook | { |
33 | 17e2377a | pbrook | free(ptr); |
34 | 17e2377a | pbrook | } |
35 | 17e2377a | pbrook | |
36 | 17e2377a | pbrook | void *qemu_malloc(size_t size)
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37 | 17e2377a | pbrook | { |
38 | 17e2377a | pbrook | return malloc(size);
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39 | 17e2377a | pbrook | } |
40 | 17e2377a | pbrook | |
41 | 2137b4cc | ths | void *qemu_realloc(void *ptr, size_t size) |
42 | 2137b4cc | ths | { |
43 | 2137b4cc | ths | return realloc(ptr, size);
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44 | 2137b4cc | ths | } |
45 | 2137b4cc | ths | |
46 | 17e2377a | pbrook | void *qemu_mallocz(size_t size)
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47 | 17e2377a | pbrook | { |
48 | 17e2377a | pbrook | void *ptr;
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49 | 17e2377a | pbrook | ptr = qemu_malloc(size); |
50 | 17e2377a | pbrook | if (!ptr)
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51 | 17e2377a | pbrook | return NULL; |
52 | 17e2377a | pbrook | memset(ptr, 0, size);
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53 | 17e2377a | pbrook | return ptr;
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54 | 17e2377a | pbrook | } |
55 | 17e2377a | pbrook | |
56 | 17e2377a | pbrook | char *qemu_strdup(const char *str) |
57 | 17e2377a | pbrook | { |
58 | 17e2377a | pbrook | char *ptr;
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59 | 363a37d5 | blueswir1 | size_t len = strlen(str); |
60 | 363a37d5 | blueswir1 | ptr = qemu_malloc(len + 1);
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61 | 17e2377a | pbrook | if (!ptr)
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62 | 17e2377a | pbrook | return NULL; |
63 | 363a37d5 | blueswir1 | pstrcpy(ptr, len, str); |
64 | 17e2377a | pbrook | return ptr;
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65 | 17e2377a | pbrook | } |