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author | Bram Moolenaar <Bram@vim.org> | 2023-04-23 21:42:25 +0100 |
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committer | Bram Moolenaar <Bram@vim.org> | 2023-04-23 21:42:25 +0100 |
commit | 2354b66ac52a8a9165e8bd0d642e19e757ba12c3 (patch) | |
tree | 1233f7470292cf4b72583d7ad9fbe0595a290f93 | |
parent | aae583441bcdbb0bfef3b8a1d193e04ae09ca95d (diff) | |
download | vim-git-2354b66ac52a8a9165e8bd0d642e19e757ba12c3.tar.gz |
patch 9.0.1482: crash when textprop has a very large "padding" valuev9.0.1482
Problem: Crash when textprop has a very large "padding" value. (Yegappan
Lakshmanan)
Solution: Avoid the "after" count to go negative.
-rw-r--r-- | src/drawline.c | 6 | ||||
-rw-r--r-- | src/testdir/dumps/Test_prop_above_padding_1.dump | 8 | ||||
-rw-r--r-- | src/testdir/test_textprop.vim | 20 | ||||
-rw-r--r-- | src/version.c | 2 |
4 files changed, 36 insertions, 0 deletions
diff --git a/src/drawline.c b/src/drawline.c index c7510a65a..f3d70ed83 100644 --- a/src/drawline.c +++ b/src/drawline.c @@ -665,6 +665,12 @@ text_prop_position( { before = 0; after = wp->w_width - cells - win_col_off(wp) - padding; + if (after < 0) + { + // text "above" has too much padding to fit + padding += after; + after = 0; + } } else { diff --git a/src/testdir/dumps/Test_prop_above_padding_1.dump b/src/testdir/dumps/Test_prop_above_padding_1.dump new file mode 100644 index 000000000..1940542eb --- /dev/null +++ b/src/testdir/dumps/Test_prop_above_padding_1.dump @@ -0,0 +1,8 @@ +> +0&#ffffff0@74 +|s|k|y| |i|s| |b|l|u|e| @63 +@74|… +|o|c|e|a|n| |i|s| |b|l|u|e| @61 +|~+0#4040ff13&| @73 +|~| @73 +|~| @73 +| +0#0000000&@56|1|,|0|-|1| @8|A|l@1| diff --git a/src/testdir/test_textprop.vim b/src/testdir/test_textprop.vim index 9cd09bd1b..550a0e5af 100644 --- a/src/testdir/test_textprop.vim +++ b/src/testdir/test_textprop.vim @@ -3199,6 +3199,26 @@ func Test_props_with_text_above() call StopVimInTerminal(buf) endfunc +func Test_prop_with_text_above_padding() + CheckRunVimInTerminal + + let lines =<< trim END + vim9script + + setlocal tabstop=8 noexpandtab + setline(1, ['', 'sky is blue', 'ocean is blue']) + prop_type_add('DiagVirtualText', {highlight: 'Search', override: true}) + prop_add(3, 0, {text: "┌─ start", text_align: "above", + type: 'DiagVirtualText', + text_padding_left: 200}) + END + call writefile(lines, 'XscriptAbovePadding', 'D') + let buf = RunVimInTerminal('-S XscriptAbovePadding', #{rows: 8}) + call VerifyScreenDump(buf, 'Test_prop_above_padding_1', {}) + + call StopVimInTerminal(buf) +endfunc + func Test_prop_above_with_indent() new call setline(1, ['first line', ' second line', ' line below']) diff --git a/src/version.c b/src/version.c index a87121f90..aa480c169 100644 --- a/src/version.c +++ b/src/version.c @@ -696,6 +696,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ /**/ + 1482, +/**/ 1481, /**/ 1480, |