1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
4 */
5
6 #ifndef MOZ_GR_MALLOC_H
7 #define MOZ_GR_MALLOC_H
8
9 // Override malloc() and friends to call moz_xmalloc() etc, so that we get
10 // predictable, safe OOM crashes rather than relying on the code to handle
11 // allocation failures reliably.
12
13 #include "mozilla/mozalloc.h"
14
15 #if defined(XP_LINUX)
16
17 #define malloc moz_xmalloc
18 #define calloc moz_xcalloc
19 #define realloc moz_xrealloc
20
21 #else
22
23 // extern "C" is needed for the Solaris build, while the inline
24 // functions are needed for the MinGW build. They break gcc 5.4.0
25 // on Linux however, so keep the old #define's above for Linux
26
malloc(size_t size)27 extern "C" inline void* malloc(size_t size)
28 {
29 return moz_xmalloc(size);
30 }
31
calloc(size_t nmemb,size_t size)32 extern "C" inline void* calloc(size_t nmemb, size_t size)
33 {
34 return moz_xcalloc(nmemb, size);
35 }
36
realloc(void * ptr,size_t size)37 extern "C" inline void* realloc(void *ptr, size_t size)
38 {
39 return moz_xrealloc(ptr, size);
40 }
41
42 #endif // defined(XP_LINUX)
43
44 #endif // MOZ_GR_MALLOC_H
45