Prefer ptrdiff_t to int and avoid integer overflows.

* fileio.c (make_temp_name):
* font.c (font_parse_family_registry): Avoid integer
overflow on string size calculation.
* data.c (Faset): Likewise for byte index.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index fe771fd8f74..915a53f7e6e 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -9,6 +9,12 @@
         (apply_lambda): Likewise.  Get current specpdl level as 3rd arg.
         (do_debug_on_call): Get current specpdl level as 2nd arg.
 
+        Prefer ptrdiff_t to int and avoid integer overflows.
+        * fileio.c (make_temp_name):
+        * font.c (font_parse_family_registry): Avoid integer
+        overflow on string size calculation.
+        * data.c (Faset): Likewise for byte index.
+
 2014-09-15  Eli Zaretskii  <eliz@gnu.org>
 
         Fix display of R2L lines in partial-width windows.