diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/cat.c | 20 |
1 files changed, 14 insertions, 6 deletions
@@ -350,13 +350,21 @@ cat ( if (++newlines > 0) { - /* Are multiple adjacent empty lines to be substituted by - single ditto (-s), and this was the second empty line? */ - - if (squeeze_empty_lines && newlines >= 2) + if (newlines >= 2) { - ch = *bpin++; - continue; + /* Limit this to 2 here. Otherwise, with lots of + consecutive newlines, the counter could wrap + around at INT_MAX. */ + newlines = 2; + + /* Are multiple adjacent empty lines to be substituted + by single ditto (-s), and this was the second empty + line? */ + if (squeeze_empty_lines) + { + ch = *bpin++; + continue; + } } /* Are line numbers to be written at empty lines (-n)? */ |