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| author | Benjamin Otte <otte@redhat.com> | 2015-09-22 22:44:51 +0200 |
|---|---|---|
| committer | Matthias Clasen <mclasen@redhat.com> | 2015-09-25 06:49:17 -0400 |
| commit | e9a5704edaa9aee9498f1fbf6e1b70fcce2e55aa (patch) | |
| tree | 8df6fa95460405cac043366496f1a1d0dd9876dd /gdk-pixbuf/pixops | |
| parent | 10b0b7e57e47399bf07a3e23998b868170278ad9 (diff) | |
| download | gdk-pixbuf-e9a5704edaa9aee9498f1fbf6e1b70fcce2e55aa.tar.gz | |
pixops: Don't overflow variables when shifting them
If we shift by 16 bits we need to be sure those 16 bits actually exist.
They do now.
Diffstat (limited to 'gdk-pixbuf/pixops')
| -rw-r--r-- | gdk-pixbuf/pixops/pixops.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/gdk-pixbuf/pixops/pixops.c b/gdk-pixbuf/pixops/pixops.c index 4cdb5df54..b0abecd1b 100644 --- a/gdk-pixbuf/pixops/pixops.c +++ b/gdk-pixbuf/pixops/pixops.c @@ -264,11 +264,11 @@ pixops_scale_nearest (guchar *dest_buf, double scale_x, double scale_y) { - int i; - int x; - int x_step = (1 << SCALE_SHIFT) / scale_x; - int y_step = (1 << SCALE_SHIFT) / scale_y; - int xmax, xstart, xstop, x_pos, y_pos; + gint64 i; + gint64 x; + gint64 x_step = (1 << SCALE_SHIFT) / scale_x; + gint64 y_step = (1 << SCALE_SHIFT) / scale_y; + gint64 xmax, xstart, xstop, x_pos, y_pos; const guchar *p; #define INNER_LOOP(SRC_CHANNELS,DEST_CHANNELS,ASSIGN_PIXEL) \ |