[Emacs-diffs] master 45cdacb: * src/dispnew.c (init_display): Simplify overflow checking.

[Paul Eggert]

branch: master
commit 45cdacb09890121bdcf07279b2fe5bc6a52fa22c
Author: Paul Eggert <address@hidden>
Commit: Paul Eggert <address@hidden>

    * src/dispnew.c (init_display): Simplify overflow checking.
---
 src/dispnew.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/dispnew.c b/src/dispnew.c
index 18eed3c..9164076 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -6097,8 +6097,8 @@ init_display (void)
        change.  It's not clear what better we could do.  The rest of
        the code assumes that (width + 2) * height * sizeof (struct glyph)
        does not overflow and does not exceed PTRDIFF_MAX or SIZE_MAX.  */
-    if (INT_ADD_RANGE_OVERFLOW (width, 2, INT_MIN, INT_MAX)
-       || INT_MULTIPLY_RANGE_OVERFLOW (width + 2, height, INT_MIN, INT_MAX)
+    if (INT_ADD_OVERFLOW (width, 2)
+       || INT_MULTIPLY_OVERFLOW (width + 2, height)
        || (min (PTRDIFF_MAX, SIZE_MAX) / sizeof (struct glyph)
            < (width + 2) * height))
       fatal ("screen size %dx%d too big", width, height);