all repos — tint2 @ d6827560120b1ee46d3f541a1219ffcc2b22f391

fork of the tint2 desktop panel for my custom setup - only minimized windows across all desktops for the taskbar 

safety measures in thumbnail code
Chris Lee @klee93
commit

d6827560120b1ee46d3f541a1219ffcc2b22f391

parent

b6c19da36c6dea4880707267176651fa60aba5ab

1 files changed, 4 insertions(+), 1 deletions(-)

jump to
M src/util/window.c → src/util/window.c 
@@ -379,6 +379,7 @@ u_int32_t c4 = data[i + tw + 1];
         u_int32_t b = (5 * (c1 & bmask) + 1 * (c2 & bmask) + 1 * (c3 & bmask) + 1 * (c4 & bmask)) / 8;
         u_int32_t g = (5 * (c1 & gmask) + 1 * (c2 & gmask) + 1 * (c3 & gmask) + 1 * (c4 & gmask)) / 8;
         u_int32_t r = (5 * (c1 & rmask) + 1 * (c2 & rmask) + 1 * (c3 & rmask) + 1 * (c4 & rmask)) / 8;
+        g_assert(i < tw * th);
         data[i] = (r & rmask) | (g & gmask) | (b & bmask);
     }
 }

@@ -445,7 +446,7 @@ fprintf(stderr, RED "tint2: !shmget" RESET "\n");
             goto err1;
         }
         shminfo.shmaddr = ximg->data = (char *)shmat(shminfo.shmid, 0, 0);
-        if (!shminfo.shmaddr) {
+        if (shminfo.shmaddr == (void*)-1) {
             fprintf(stderr, RED "tint2: !shmat" RESET "\n");
             goto err2;
         }

@@ -516,6 +517,7 @@ 8;
             u_int32_t r = ((c1 & rmask) + (c2 & rmask) + (c3 & rmask) + (c4 & rmask) + (c5 & rmask) * 2 + (c6 & rmask) +
                            (c7 & rmask)) /
                           8;
+            g_assert(j < tw * th);
             data[j] = (r & rmask) | (g & gmask) | (b & bmask);
         }
     }

@@ -542,6 +544,7 @@ }
 
     // 2nd pass
     smooth_thumbnail(result);
+    cairo_surface_mark_dirty(result);
 
     if (ximg) {
         XDestroyImage(ximg);