зеркало из https://github.com/mozilla/gecko-dev.git
118 строки
2.4 KiB
C
118 строки
2.4 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <string.h>
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#include "mozilla/Types.h"
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#ifdef MOZ_WIDGET_ANDROID
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#define wrap(a) __wrap_ ## a
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#elif defined(XP_WIN) || defined(XP_MACOSX)
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#define wrap(a) je_ ## a
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#elif defined(MOZ_WIDGET_GONK)
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#define wrap(a) a
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#endif
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#ifdef wrap
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void *wrap(malloc)(size_t);
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void wrap(free)(void *);
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#endif
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#ifdef ANDROID
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/* operator new(unsigned int) */
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MOZ_EXPORT_API(void *)
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wrap(_Znwj)(unsigned int size)
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{
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return wrap(malloc)(size);
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}
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/* operator new[](unsigned int) */
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MOZ_EXPORT_API(void *)
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wrap(_Znaj)(unsigned int size)
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{
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return wrap(malloc)(size);
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}
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/* operator delete(void*) */
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MOZ_EXPORT_API(void)
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wrap(_ZdlPv)(void *ptr)
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{
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wrap(free)(ptr);
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}
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/* operator delete[](void*) */
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MOZ_EXPORT_API(void)
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wrap(_ZdaPv)(void *ptr)
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{
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wrap(free)(ptr);
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}
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#endif
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#ifdef wrap
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MOZ_EXPORT_API(char *)
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wrap(strndup)(const char *src, size_t len)
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{
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char* dst = (char*) wrap(malloc)(len + 1);
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if (dst)
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strncpy(dst, src, len + 1);
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return dst;
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}
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MOZ_EXPORT_API(char *)
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wrap(strdup)(const char *src)
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{
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size_t len = strlen(src);
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return wrap(strndup)(src, len);
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}
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#ifdef XP_WIN
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/*
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* There's a fun allocator mismatch in (at least) the VS 2010 CRT
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* (see the giant comment in this directory's Makefile.in
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* that gets redirected here to avoid a crash on shutdown.
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*/
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void
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wrap(dumb_free_thunk)(void *ptr)
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{
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return; /* shutdown leaks that we don't care about */
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}
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#include <wchar.h>
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/*
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* We also need to provide our own impl of wcsdup so that we don't ask
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* the CRT for memory from its heap (which will then be unfreeable).
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*/
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wchar_t *
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wrap(wcsdup)(const wchar_t *src)
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{
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size_t len = wcslen(src);
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wchar_t *dst = (wchar_t*) wrap(malloc)((len + 1) * sizeof(wchar_t));
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if (dst)
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wcsncpy(dst, src, len + 1);
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return dst;
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}
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#endif /* XP_WIN */
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#endif
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#ifdef MOZ_JEMALLOC
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/* Override some jemalloc defaults */
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const char *je_malloc_conf = "narenas:1,lg_chunk:20";
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#ifdef ANDROID
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#include <android/log.h>
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static void
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_je_malloc_message(void *cbopaque, const char *s)
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{
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__android_log_print(ANDROID_LOG_INFO, "GeckoJemalloc", "%s", s);
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}
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void (*je_malloc_message)(void *, const char *s) = _je_malloc_message;
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#endif
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#endif /* MOZ_JEMALLOC */
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#include <mozilla/Assertions.h>
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void moz_abort() {
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MOZ_CRASH();
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}
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