qemu: add pci_unregister_device (Marcelo Tosatti)
[qemu/mini2440/sniper_sniper_test.git] / qemu-malloc.c
blobe9e49cb8f2bdd2e6246f5f1acbc816ccdd7552f8
1 /*
2 * malloc-like functions for system emulation.
4 * Copyright (c) 2006 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
24 #include "qemu-common.h"
25 #include <stdlib.h>
27 static void *oom_check(void *ptr)
29 if (ptr == NULL)
30 abort();
31 return ptr;
34 void *get_mmap_addr(unsigned long size)
36 return NULL;
39 void qemu_free(void *ptr)
41 free(ptr);
44 void *qemu_malloc(size_t size)
46 return oom_check(malloc(size));
49 void *qemu_realloc(void *ptr, size_t size)
51 return oom_check(realloc(ptr, size));
54 void *qemu_mallocz(size_t size)
56 void *ptr;
57 ptr = qemu_malloc(size);
58 memset(ptr, 0, size);
59 return ptr;
62 char *qemu_strdup(const char *str)
64 char *ptr;
65 size_t len = strlen(str);
66 ptr = qemu_malloc(len + 1);
67 memcpy(ptr, str, len + 1);
68 return ptr;
71 char *qemu_strndup(const char *str, size_t size)
73 const char *end = memchr(str, 0, size);
74 char *new;
76 if (end)
77 size = end - str;
79 new = qemu_malloc(size + 1);
80 new[size] = 0;
82 return memcpy(new, str, size);