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author | Bram Moolenaar <Bram@vim.org> | 2018-12-07 13:26:39 +0100 |
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committer | Bram Moolenaar <Bram@vim.org> | 2018-12-07 13:26:39 +0100 |
commit | 4087bfd96d0d70791a1572ac4b40d5a655e2166b (patch) | |
tree | c8128ccf9361f909242c2d99a8e716dd0e5d8513 /src/gui.c | |
parent | 20091c18c40b4e8b594769ba11e81d133c479d7c (diff) |
patch 8.1.0567: error for NUL byte in ScreenLines goes unnoticedv8.1.0567
Problem: Error for NUL byte in ScreenLines goes unnoticed.
Solution: Add an internal error message.
Diffstat (limited to 'src/gui.c')
-rw-r--r-- | src/gui.c | 12 |
1 files changed, 9 insertions, 3 deletions
@@ -2753,9 +2753,15 @@ gui_redraw_block( } else if (enc_utf8) { - // FIXME: how can the first character ever be zero? - if (col1 > 0 && ScreenLines[off + col1] == 0) - --col1; + if (ScreenLines[off + col1] == 0) + { + if (col1 > 0) + --col1; + else + // FIXME: how can the first character ever be zero? + IEMSGN("INTERNAL ERROR: NUL in ScreenLines in row %ld", + gui.row); + } # ifdef FEAT_GUI_GTK if (col2 + 1 < Columns && ScreenLines[off + col2 + 1] == 0) ++col2; |