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author | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-06-09 13:47:45 +0000 |
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committer | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-06-09 13:47:45 +0000 |
commit | 17e2377abf16c3951d7d34521ceade4d7dc31d01 (patch) | |
tree | c6e540f435401b092933145541df335748b5fd58 /qemu-malloc.c | |
parent | 82e671d9ecdf1422780e56182e9c228071493a22 (diff) | |
download | qemu-17e2377abf16c3951d7d34521ceade4d7dc31d01.zip qemu-17e2377abf16c3951d7d34521ceade4d7dc31d01.tar.gz qemu-17e2377abf16c3951d7d34521ceade4d7dc31d01.tar.bz2 |
Prevent guest reusing host memory allocations.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4710 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'qemu-malloc.c')
-rw-r--r-- | qemu-malloc.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/qemu-malloc.c b/qemu-malloc.c new file mode 100644 index 0000000..16d3c2e --- /dev/null +++ b/qemu-malloc.c @@ -0,0 +1,59 @@ +/* + * malloc-like functions for system emulation. + * + * Copyright (c) 2006 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include "qemu-common.h" + +void *get_mmap_addr(unsigned long size) +{ + return NULL; +} + +void qemu_free(void *ptr) +{ + free(ptr); +} + +void *qemu_malloc(size_t size) +{ + return malloc(size); +} + +void *qemu_mallocz(size_t size) +{ + void *ptr; + ptr = qemu_malloc(size); + if (!ptr) + return NULL; + memset(ptr, 0, size); + return ptr; +} + +char *qemu_strdup(const char *str) +{ + char *ptr; + ptr = qemu_malloc(strlen(str) + 1); + if (!ptr) + return NULL; + strcpy(ptr, str); + return ptr; +} |