gfx/cairo/dwrite-font-match-robustness.patch@97036ab72558 (annotated)
gfx/cairo/dwrite-font-match-robustness.patch
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | From: Robert O'Callahan <robert@ocallahan.org> |
| michael@0 | 2 | Bug 717178. Part 1: Don't crash when passing a nil scaled-font to _name_tables_match. r=jfkthame |
| michael@0 | 3 | |
| michael@0 | 4 | diff --git a/gfx/cairo/cairo/src/cairo-dwrite-font.cpp b/gfx/cairo/cairo/src/cairo-dwrite-font.cpp |
| michael@0 | 5 | --- a/gfx/cairo/cairo/src/cairo-dwrite-font.cpp |
| michael@0 | 6 | +++ b/gfx/cairo/cairo/src/cairo-dwrite-font.cpp |
| michael@0 | 7 | @@ -1489,17 +1489,18 @@ static cairo_bool_t |
| michael@0 | 8 | unsigned long size1; |
| michael@0 | 9 | unsigned long size2; |
| michael@0 | 10 | cairo_int_status_t status1; |
| michael@0 | 11 | cairo_int_status_t status2; |
| michael@0 | 12 | unsigned char *buffer1; |
| michael@0 | 13 | unsigned char *buffer2; |
| michael@0 | 14 | cairo_bool_t result = false; |
| michael@0 | 15 | |
| michael@0 | 16 | - if (!font1->backend->load_truetype_table || |
| michael@0 | 17 | + if (!font1->backend || !font2->backend || |
| michael@0 | 18 | + !font1->backend->load_truetype_table || |
| michael@0 | 19 | !font2->backend->load_truetype_table) |
| michael@0 | 20 | return false; |
| michael@0 | 21 | |
| michael@0 | 22 | status1 = font1->backend->load_truetype_table (font1, |
| michael@0 | 23 | TT_TAG_name, 0, NULL, &size1); |
| michael@0 | 24 | status2 = font2->backend->load_truetype_table (font2, |
| michael@0 | 25 | TT_TAG_name, 0, NULL, &size2); |
| michael@0 | 26 | if (status1 || status2) |
