The Tor Browser: memory/build/mozmemory_wrap.c@6474c204b198 (annotated)

memory/build/mozmemory_wrap.c@6474c204b198 (annotated)

memory/build/mozmemory_wrap.c

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include <string.h>
 #include "mozmemory_wrap.h"
 #include "mozilla/Types.h"
 /* Declare malloc implementation functions with the right return and
  * argument types. */
 #define MALLOC_DECL(name, return_type, ...) \
   MOZ_MEMORY_API return_type name ## _impl(__VA_ARGS__);
 #include "malloc_decls.h"
 #ifdef MOZ_WRAP_NEW_DELETE
 /* operator new(unsigned int) */
 MOZ_MEMORY_API void *
 mozmem_malloc_impl(_Znwj)(unsigned int size)
 {
   return malloc_impl(size);
 }
 /* operator new[](unsigned int) */
 MOZ_MEMORY_API void *
 mozmem_malloc_impl(_Znaj)(unsigned int size)
 {
   return malloc_impl(size);
 }
 /* operator delete(void*) */
 MOZ_MEMORY_API void
 mozmem_malloc_impl(_ZdlPv)(void *ptr)
 {
   free_impl(ptr);
 }
 /* operator delete[](void*) */
 MOZ_MEMORY_API void
 mozmem_malloc_impl(_ZdaPv)(void *ptr)
 {
   free_impl(ptr);
 }
 /*operator new(unsigned int, std::nothrow_t const&)*/
 MOZ_MEMORY_API void *
 mozmem_malloc_impl(_ZnwjRKSt9nothrow_t)(unsigned int size)
 {
   return malloc_impl(size);
 }
 /*operator new[](unsigned int, std::nothrow_t const&)*/
 MOZ_MEMORY_API void *
 mozmem_malloc_impl(_ZnajRKSt9nothrow_t)(unsigned int size)
 {
   return malloc_impl(size);
 }
 /* operator delete(void*, std::nothrow_t const&) */
 MOZ_MEMORY_API void
 mozmem_malloc_impl(_ZdlPvRKSt9nothrow_t)(void *ptr)
 {
   free_impl(ptr);
 }
 /* operator delete[](void*, std::nothrow_t const&) */
 MOZ_MEMORY_API void
 mozmem_malloc_impl(_ZdaPvRKSt9nothrow_t)(void *ptr)
 {
   free_impl(ptr);
 }
 #endif
 /* strndup and strdup may be defined as macros in string.h, which would
  * clash with the definitions below. */
 #undef strndup
 #undef strdup
 #ifndef XP_DARWIN
 MOZ_MEMORY_API char *
 strndup_impl(const char *src, size_t len)
 {
   char* dst = (char*) malloc_impl(len + 1);
   if (dst) {
     strncpy(dst, src, len);
     dst[len] = '\0';
   }
   return dst;
 }
 MOZ_MEMORY_API char *
 strdup_impl(const char *src)
 {
   size_t len = strlen(src);
   return strndup_impl(src, len);
 }
 #endif /* XP_DARWIN */
 #ifdef ANDROID
 #include <stdarg.h>
 #include <stdio.h>
 MOZ_MEMORY_API int
 vasprintf_impl(char **str, const char *fmt, va_list ap)
 {
   char* ptr, *_ptr;
   int ret;
   if (str == NULL || fmt == NULL) {
     return -1;
   }
   ptr = (char*)malloc_impl(128);
   if (ptr == NULL) {
     *str = NULL;
     return -1;
   }
   ret = vsnprintf(ptr, 128, fmt, ap);
   if (ret < 0) {
     free_impl(ptr);
     *str = NULL;
     return -1;
   }
   _ptr = realloc_impl(ptr, ret + 1);
   if (_ptr == NULL) {
     free_impl(ptr);
     *str = NULL;
     return -1;
   }
   *str = _ptr;
   return ret;
 }
 MOZ_MEMORY_API int
 asprintf_impl(char **str, const char *fmt, ...)
 {
    int ret;
    va_list ap;
    va_start(ap, fmt);
    ret = vasprintf_impl(str, fmt, ap);
    va_end(ap);
    return ret;
 }
 #endif
 #ifdef XP_WIN
 /*
  *  There's a fun allocator mismatch in (at least) the VS 2010 CRT
  *  (see the giant comment in $(topsrcdir)/mozglue/build/Makefile.in)
  *  that gets redirected here to avoid a crash on shutdown.
  */
 void
 dumb_free_thunk(void *ptr)
 {
   return; /* shutdown leaks that we don't care about */
 }
 #include <wchar.h>
 /*
  *  We also need to provide our own impl of wcsdup so that we don't ask
  *  the CRT for memory from its heap (which will then be unfreeable).
  */
 wchar_t *
 wcsdup_impl(const wchar_t *src)
 {
   size_t len = wcslen(src);
   wchar_t *dst = (wchar_t*) malloc_impl((len + 1) * sizeof(wchar_t));
   if (dst)
     wcsncpy(dst, src, len + 1);
   return dst;
 }
 #endif /* XP_WIN */

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memory/build/mozmemory_wrap.c@6474c204b198 (annotated)

memory/build/mozmemory_wrap.c