30 lines
1.1 KiB
Diff
30 lines
1.1 KiB
Diff
From 22c47acbd52949421f8c7cb46ea1556827d0fcbf Mon Sep 17 00:00:00 2001
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From: Sebastian Rasmussen <sebras@gmail.com>
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Date: Tue, 18 Jan 2022 20:33:10 +0100
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Subject: [PATCH] Bug 704834: Fix division by zero for zero width pages in
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muraster.
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[Retrieved from:
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https://github.com/ArtifexSoftware/mupdf/commit/22c47acbd52949421f8c7cb46ea1556827d0fcbf]
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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---
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source/tools/muraster.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/source/tools/muraster.c b/source/tools/muraster.c
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index c2ceb62f2e..97f4ae2633 100644
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--- a/source/tools/muraster.c
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+++ b/source/tools/muraster.c
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@@ -1003,8 +1003,9 @@ initialise_banding(fz_context *ctx, render_details *render, int color)
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w = render->ibounds.x1 - render->ibounds.x0;
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min_band_mem = (size_t)bpp * w * min_band_height;
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- reps = (int)(max_band_memory / min_band_mem);
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- if (reps < 1)
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+ if (min_band_mem > 0)
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+ reps = (int)(max_band_memory / min_band_mem);
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+ if (min_band_mem == 0 || reps < 1)
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reps = 1;
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/* Adjust reps to even out the work between threads */
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