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Fix NULL pointer access (issue #3394)

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The regression was caused by commit 57c90eee02.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
This commit is contained in:
Stefan Weil 2021-04-12 22:10:07 +02:00
parent 2ee21b6dfb
commit 4daf781916
1 changed files with 5 additions and 1 deletions
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6
src/textord/edgblob.cpp
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@ -421,7 +421,11 @@ static void empty_buckets(BLOCK *block, // block to scan
C_OUTLINE_LIST outlines; // outlines in block
// iterator
C_OUTLINE_IT out_it = &outlines;
C_OUTLINE_IT bucket_it = buckets->start_scan();
auto start_scan = buckets->start_scan();
if (start_scan == nullptr) {
return;
}
C_OUTLINE_IT bucket_it = start_scan;
C_BLOB_IT good_blobs = block->blob_list();
C_BLOB_IT junk_blobs = block->reject_blobs();