extend some variable types to avoid overflows for mediancut

[imager.git] / Changes

diff --git a/Changes b/Changes
index b6c0f94805926bf6a0210894aac7138f442c4a5e..8df28b935232452abb7ff8c3bd5e23035edc4f4b 100644 (file)
--- a/Changes
+++ b/Changes
@@ -5,6 +5,9 @@ General changes:
  - to_paletted() and make_palette() now fail (with an error in
    errstr()) if invalid quantization parameters are supplied.
 
+ - map() would corrupt a channel if there was a gap in the arrayref of
+   channels.  Detected by Coverity.  CID 185300.
+
 Coverity finally finished a build[1], fix a few problems:
 
 High severity:
@@ -58,7 +61,7 @@ High severity:
    i_get_combine() due to a fencepost error in validating the combine
    number.  CID 185299.
 
-
+Lower severity (according to Coverity):
 
  - avoid an unneeded EXTEND() call when the FT1 has_chars()
    implementation returns 0. CID 185350.
@@ -106,8 +109,25 @@ High severity:
    context object on thread creation.  CID 185294.
 
  - fix an unsigned comparison when converting character code to a
-   glyph index with a NULL character map.  This should be rare.  CID
-   185297.
+   glyph index with a NULL character map when calculating the glyph
+   for display for FT1.  This should be rare.  CID 185297.
+
+ - fix a similar bug when calculating whether a glyph is present for
+   has_chars() for FT1.  CID 185302.
+
+ - i_img_info() (C API) no longer tries to handle a NULL image object
+   pointer.  CID 185298.
+
+ - re-work testing for size_t overflow for circle/random
+   super-sampling for fountain fills.  CID 185304.
+
+ - don't check if the unsigned size passed to Imager's malloc wrapper
+   (mymalloc) is negative.  Left from when that parameter was signed.
+   CID 185305.
+
+ - make some types larger and add a cast to prevent integer overflows
+   when calculating a palette with median cut for extraordinarily
+   large images.  CID 185306.
 
 [1] The first two build submissions ended up at the end of a ~400
 build queue, and seemed to have been cancelled by Coverity.  A build