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scripts: maps: Fixed divide-by-zero when packing blocks into small maps

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This can be hit when dealing with very small maps, which is common since
we're rendering to the terminal. Not crashing here at least allows the
header/usage string to be shown.
This commit is contained in:
Christopher Haster
2025-04-11 01:46:00 -05:00
parent cffa9ec67e
commit f0b8d34230
3 changed files with 9 additions and 9 deletions
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scripts/dbgbmap.py
+3 -3
View File
@@ -4598,11 +4598,11 @@ def main_(ring, disk, mroots=None, *,
# well for things that are often powers-of-two # well for things that are often powers-of-two
block_cols_ = 1 block_cols_ = 1
block_rows_ = len(bmap) block_rows_ = len(bmap)
while (abs(((canvas.width/(block_cols_ * 2)) while (abs(((canvas.width/(block_cols_*2))
/ (canvas.height/mt.ceil(block_rows_ / 2))) / max(canvas.height/mt.ceil(block_rows_/2), 1))
- block_ratio) - block_ratio)
< abs(((canvas.width/block_cols_) < abs(((canvas.width/block_cols_)
/ (canvas.height/block_rows_))) / max(canvas.height/block_rows_, 1)))
- block_ratio): - block_ratio):
block_cols_ *= 2 block_cols_ *= 2
block_rows_ = mt.ceil(block_rows_ / 2) block_rows_ = mt.ceil(block_rows_ / 2)
scripts/dbgbmapd3.py
+3 -3
View File
@@ -4918,11 +4918,11 @@ def main(disk, output, mroots=None, *,
# well for things that are often powers-of-two # well for things that are often powers-of-two
block_cols_ = 1 block_cols_ = 1
block_rows_ = len(bmap) block_rows_ = len(bmap)
while (abs(((width__/(block_cols_ * 2)) while (abs(((width__/(block_cols_*2))
/ (height__/mt.ceil(block_rows_ / 2))) / max(height__/mt.ceil(block_rows_/2), 1))
- block_ratio) - block_ratio)
< abs(((width__/block_cols_) < abs(((width__/block_cols_)
/ (height__/block_rows_))) / max(height__/block_rows_, 1)))
- block_ratio): - block_ratio):
block_cols_ *= 2 block_cols_ *= 2
block_rows_ = mt.ceil(block_rows_ / 2) block_rows_ = mt.ceil(block_rows_ / 2)
scripts/tracebd.py
+3 -3
View File
@@ -1794,11 +1794,11 @@ def main(path='-', *,
# well for things that are often powers-of-two # well for things that are often powers-of-two
block_cols_ = 1 block_cols_ = 1
block_rows_ = len(bmap) block_rows_ = len(bmap)
while (abs(((canvas.width/(block_cols_ * 2)) while (abs(((canvas.width/(block_cols_*2))
/ (canvas.height/mt.ceil(block_rows_ / 2))) / max(canvas.height/mt.ceil(block_rows_/2), 1))
- block_ratio) - block_ratio)
< abs(((canvas.width/block_cols_) < abs(((canvas.width/block_cols_)
/ (canvas.height/block_rows_))) / max(canvas.height/block_rows_, 1)))
- block_ratio): - block_ratio):
block_cols_ *= 2 block_cols_ *= 2
block_rows_ = mt.ceil(block_rows_ / 2) block_rows_ = mt.ceil(block_rows_ / 2)