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| author | Robin Watts <Robin.Watts@artifex.com> | 2020-11-17 17:55:48 +0000 |
|---|---|---|
| committer | Robin Watts <Robin.Watts@artifex.com> | 2020-11-17 17:57:15 +0000 |
| commit | c1a5382ab783cbae9fd5e069abcc89cb4195e89a (patch) | |
| tree | 1187787a9b95969872f0928c6b8c9a42cc1d0137 /base/gxiscale.c | |
| parent | 658ddea8bc15f4ab7dd4cf1ff151828b9ce957f9 (diff) | |
| download | ghostpdl-c1a5382ab783cbae9fd5e069abcc89cb4195e89a.tar.gz | |
Bug 703027: Tweak previous fix.
The previous fix was incomplete; the bounds for the overflow
check were incorrect. Corrected here.
Diffstat (limited to 'base/gxiscale.c')
| -rw-r--r-- | base/gxiscale.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/base/gxiscale.c b/base/gxiscale.c index 7fc81bc14..df0255d74 100644 --- a/base/gxiscale.c +++ b/base/gxiscale.c @@ -180,8 +180,8 @@ static int mask_suitable_for_interpolation(gx_image_enum *penum) static int safe64fixed2int(int64_t v, int *overflow) { - if (v > (((int64_t)1)<<(sizeof(int)*8-1+_fixed_shift)-1) || - v <= (((int64_t)-1)<<(sizeof(int)*8-1+_fixed_shift)-1)) + if (v > (int)((1U<<(sizeof(int)*8-1))-128) || + v < 0) *overflow = 1; return fixed2int_pixround_perfect(v); } |