Changeset 35d40f2 in libguac-client-rdp

Timestamp:

04/11/12 00:40:05 (13 months ago)

Author:

zhangmaike

Branches:

master, debian, rpm, unstable

Children:

7c5cf89

Parents:

e63d264

git-author:

Michael Jumper <zhangmaike@…> (04/11/12 00:40:05)

git-committer:

Michael Jumper <zhangmaike@…> (04/11/12 00:40:05)

Message:

Fix boundary overflow.

File:

• src/rdp_glyph.c (modified) (1 diff)

src/rdp_glyph.c

@@ -208 +208 @@
     int stride = cairo_image_surface_get_stride(glyph_surface);
 
+    /* Calculate bounds */
+    int max_width = cairo_image_surface_get_width(glyph_surface) - x;
+    int max_height = cairo_image_surface_get_height(glyph_surface) - y;
+
+    /* Ensure dimensions of glyph do not exceed bounds */
+    if (width > max_width) width = max_width;
+    if (height > max_height) height = max_height;
+
     /* Ensure data is ready */
     cairo_surface_flush(glyph_surface);