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author | Scott Corley <scott@scorley.com> | 2018-10-07 23:21:40 -0700 |
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committer | Paul Eggert <eggert@cs.ucla.edu> | 2018-10-07 23:22:50 -0700 |
commit | 940ae156043c27101759c1577697d3a09d5bc948 (patch) | |
tree | 9dc79fd3ab6bdba58984226bef9f4d92e07532b3 /src/scroll.c | |
parent | 14c032d5f8d4ccb608cc906db34ddf17ce465449 (diff) | |
download | emacs-940ae156043c27101759c1577697d3a09d5bc948.tar.gz |
Fix overflow lockup with frames > 255 lines
Backport from master.
* src/scroll.c (struct matrix_elt): Change unsigned char fields to
int to handle frames with more than 255 lines (Bug#32951).
Copyright-paperwork-exempt: yes
Diffstat (limited to 'src/scroll.c')
-rw-r--r-- | src/scroll.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/scroll.c b/src/scroll.c index 8a53f9614f7..7751a0885a1 100644 --- a/src/scroll.c +++ b/src/scroll.c @@ -47,13 +47,13 @@ struct matrix_elt int deletecost; /* Number of inserts so far in this run of inserts, for the cost in insertcost. */ - unsigned char insertcount; + int insertcount; /* Number of deletes so far in this run of deletes, for the cost in deletecost. */ - unsigned char deletecount; + int deletecount; /* Number of writes so far since the last insert or delete for the cost in writecost. */ - unsigned char writecount; + int writecount; }; static void do_direct_scrolling (struct frame *, |