* image.c: Use ptrdiff_t, not int, for sizes.

(slurp_file): Switch from int to ptrdiff_t.
All uses changed.
(slurp_file): Check that file size fits in both size_t (for
malloc) and ptrdiff_t (for sanity and safety).

1 files changed, 6 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index f86b0decf3c..7fb1479e548 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,11 @@
 2011-06-06  Paul Eggert  <eggert@cs.ucla.edu>
 
+        * image.c: Use ptrdiff_t, not int, for sizes.
+        (slurp_file): Switch from int to ptrdiff_t.
+        All uses changed.
+        (slurp_file): Check that file size fits in both size_t (for
+        malloc) and ptrdiff_t (for sanity and safety).
+
         * fileio.c (Fverify_visited_file_modtime): Avoid time overflow
         if b->modtime has its maximal value.