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| author | Po Lu <luangruo@yahoo.com> | 2022-01-04 02:21:23 +0000 |
|---|---|---|
| committer | Po Lu <luangruo@yahoo.com> | 2022-01-04 02:21:23 +0000 |
| commit | cd7e7834ba5d40e3181054f02693f64ace6fd6aa (patch) | |
| tree | 9b2728327dd5aae7895f25ca6f00fe917aba6315 | |
| parent | a89bc0fe9ca81421a592171d10287ae69fd5910b (diff) | |
| download | emacs-cd7e7834ba5d40e3181054f02693f64ace6fd6aa.tar.gz emacs-cd7e7834ba5d40e3181054f02693f64ace6fd6aa.tar.bz2 emacs-cd7e7834ba5d40e3181054f02693f64ace6fd6aa.zip | |
Fix Haiku bitmap sanity checks
* src/haikufns.c (haiku_get_pixel, haiku_put_pixel): Fix sanity
checking of coordinate values.
| -rw-r--r-- | src/haikufns.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/haikufns.c b/src/haikufns.c index 036da7975f8..6cd12f129c6 100644 --- a/src/haikufns.c +++ b/src/haikufns.c @@ -1238,7 +1238,7 @@ haiku_get_pixel (haiku bitmap, int x, int y) BBitmap_dimensions (bitmap, &left, &top, &right, &bottom, &bytes_per_row, &mono_p); - if (x < left || x > right || y < top || y > bottom) + if (x < 0 || x > right - left || y < 0 || y > bottom - top) emacs_abort (); if (!mono_p) @@ -1263,7 +1263,7 @@ haiku_put_pixel (haiku bitmap, int x, int y, unsigned long pixel) BBitmap_dimensions (bitmap, &left, &top, &right, &bottom, &bytes_per_row, &mono_p); - if (x < left || x > right || y < top || y > bottom) + if (x < 0 || x > right - left || y < 0 || y > bottom - top) emacs_abort (); if (mono_p) |