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author=?UTF-8?q?Dundar=20G=C3=B6c?= <gocdundar@gmail.com>2022-01-29 15:19:23 +0000
committerBram Moolenaar <Bram@vim.org>2022-01-29 15:19:23 +0000
commitd5cec1f1f055316c353cfa15ad8d5eb0952d50a0 (patch)
tree94d3ad44783e3442be7293edb3d5890ac08f0377 /src/memline.c
parentf12b7815f6b55c3e2f37366aa45e723b1fcb2e9a (diff)
patch 8.2.4255: theoretical computation overflowv8.2.4255
Problem: Theoretical computation overflow. Solution: Perform multiplication in a wider type. (closes #9657)
Diffstat (limited to 'src/memline.c')
-rw-r--r--src/memline.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/memline.c b/src/memline.c
index 06fd97c7fe..c18109aefe 100644
--- a/src/memline.c
+++ b/src/memline.c
@@ -5778,7 +5778,7 @@ ml_find_line_or_offset(buf_T *buf, linenr_T lnum, long *offp)
&& lnum >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines)
|| (offset != 0
&& offset > size + buf->b_ml.ml_chunksize[curix].mlcs_totalsize
- + ffdos * buf->b_ml.ml_chunksize[curix].mlcs_numlines)))
+ + (long)ffdos * buf->b_ml.ml_chunksize[curix].mlcs_numlines)))
{
curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
size += buf->b_ml.ml_chunksize[curix].mlcs_totalsize;