widget/gtk/compat/glib/gmem.h@ac0c01689b40 (annotated)
widget/gtk/compat/glib/gmem.h
Thu, 15 Jan 2015 15:59:08 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:59:08 +0100
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
- permissions
- -rw-r--r--
Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | #ifndef GMEM_WRAPPER_H |
| michael@0 | 6 | #define GMEM_WRAPPER_H |
| michael@0 | 7 | |
| michael@0 | 8 | #define g_malloc_n g_malloc_n_ |
| michael@0 | 9 | #define g_malloc0_n g_malloc0_n_ |
| michael@0 | 10 | #define g_realloc_n g_realloc_n_ |
| michael@0 | 11 | #include_next <glib/gmem.h> |
| michael@0 | 12 | #undef g_malloc_n |
| michael@0 | 13 | #undef g_malloc0_n |
| michael@0 | 14 | #undef g_realloc_n |
| michael@0 | 15 | |
| michael@0 | 16 | #include <glib/gmessages.h> |
| michael@0 | 17 | |
| michael@0 | 18 | #undef g_new |
| michael@0 | 19 | #define g_new(type, num) \ |
| michael@0 | 20 | ((type *) g_malloc_n((num), sizeof(type))) |
| michael@0 | 21 | |
| michael@0 | 22 | #undef g_new0 |
| michael@0 | 23 | #define g_new0(type, num) \ |
| michael@0 | 24 | ((type *) g_malloc0_n((num), sizeof(type))) |
| michael@0 | 25 | |
| michael@0 | 26 | #undef g_renew |
| michael@0 | 27 | #define g_renew(type, ptr, num) \ |
| michael@0 | 28 | ((type *) g_realloc_n(ptr, (num), sizeof(type))) |
| michael@0 | 29 | |
| michael@0 | 30 | #define _CHECK_OVERFLOW(num, type_size) \ |
| michael@0 | 31 | if (G_UNLIKELY(type_size > 0 && num > G_MAXSIZE / type_size)) { \ |
| michael@0 | 32 | g_error("%s: overflow allocating %" G_GSIZE_FORMAT "*%" G_GSIZE_FORMAT " bytes", \ |
| michael@0 | 33 | G_STRLOC, num, type_size); \ |
| michael@0 | 34 | } |
| michael@0 | 35 | |
| michael@0 | 36 | static inline gpointer |
| michael@0 | 37 | g_malloc_n(gsize num, gsize type_size) |
| michael@0 | 38 | { |
| michael@0 | 39 | _CHECK_OVERFLOW(num, type_size) |
| michael@0 | 40 | return g_malloc(num * type_size); |
| michael@0 | 41 | } |
| michael@0 | 42 | |
| michael@0 | 43 | static inline gpointer |
| michael@0 | 44 | g_malloc0_n(gsize num, gsize type_size) |
| michael@0 | 45 | { |
| michael@0 | 46 | _CHECK_OVERFLOW(num, type_size) |
| michael@0 | 47 | return g_malloc0(num * type_size); |
| michael@0 | 48 | } |
| michael@0 | 49 | |
| michael@0 | 50 | static inline gpointer |
| michael@0 | 51 | g_realloc_n(gpointer ptr, gsize num, gsize type_size) |
| michael@0 | 52 | { |
| michael@0 | 53 | _CHECK_OVERFLOW(num, type_size) |
| michael@0 | 54 | return g_realloc(ptr, num * type_size); |
| michael@0 | 55 | } |
| michael@0 | 56 | #endif /* GMEM_WRAPPER_H */ |
