The Tor Browser / file comparison
comparison: widget/gtk/compat/glib/gmem.h
widget/gtk/compat/glib/gmem.h
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
equal
deleted
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| -1:000000000000 | 0:72ef066cc6a4 |
|---|---|
| 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 #ifndef GMEM_WRAPPER_H | |
| 6 #define GMEM_WRAPPER_H | |
| 7 | |
| 8 #define g_malloc_n g_malloc_n_ | |
| 9 #define g_malloc0_n g_malloc0_n_ | |
| 10 #define g_realloc_n g_realloc_n_ | |
| 11 #include_next <glib/gmem.h> | |
| 12 #undef g_malloc_n | |
| 13 #undef g_malloc0_n | |
| 14 #undef g_realloc_n | |
| 15 | |
| 16 #include <glib/gmessages.h> | |
| 17 | |
| 18 #undef g_new | |
| 19 #define g_new(type, num) \ | |
| 20 ((type *) g_malloc_n((num), sizeof(type))) | |
| 21 | |
| 22 #undef g_new0 | |
| 23 #define g_new0(type, num) \ | |
| 24 ((type *) g_malloc0_n((num), sizeof(type))) | |
| 25 | |
| 26 #undef g_renew | |
| 27 #define g_renew(type, ptr, num) \ | |
| 28 ((type *) g_realloc_n(ptr, (num), sizeof(type))) | |
| 29 | |
| 30 #define _CHECK_OVERFLOW(num, type_size) \ | |
| 31 if (G_UNLIKELY(type_size > 0 && num > G_MAXSIZE / type_size)) { \ | |
| 32 g_error("%s: overflow allocating %" G_GSIZE_FORMAT "*%" G_GSIZE_FORMAT " bytes", \ | |
| 33 G_STRLOC, num, type_size); \ | |
| 34 } | |
| 35 | |
| 36 static inline gpointer | |
| 37 g_malloc_n(gsize num, gsize type_size) | |
| 38 { | |
| 39 _CHECK_OVERFLOW(num, type_size) | |
| 40 return g_malloc(num * type_size); | |
| 41 } | |
| 42 | |
| 43 static inline gpointer | |
| 44 g_malloc0_n(gsize num, gsize type_size) | |
| 45 { | |
| 46 _CHECK_OVERFLOW(num, type_size) | |
| 47 return g_malloc0(num * type_size); | |
| 48 } | |
| 49 | |
| 50 static inline gpointer | |
| 51 g_realloc_n(gpointer ptr, gsize num, gsize type_size) | |
| 52 { | |
| 53 _CHECK_OVERFLOW(num, type_size) | |
| 54 return g_realloc(ptr, num * type_size); | |
| 55 } | |
| 56 #endif /* GMEM_WRAPPER_H */ |
