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fix(statusline): don't leak memory with zero-width click labels

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A zero-width click label isn't assigned to any click definition, so its
function name should be freed when filling click definitions.
This commit is contained in:
zeertzjq 2023-01-18 15:12:45 +08:00
parent 45dc0f3454
commit 295a264b65
2 changed files with 22 additions and 4 deletions
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16
src/nvim/statusline.c
View File

@ -231,8 +231,12 @@ void stl_fill_click_defs(StlClickDefinition *click_defs, StlClickRecord *click_r
};
for (int i = 0; click_recs[i].start != NULL; i++) {
len += vim_strnsize(buf, (int)(click_recs[i].start - buf));
while (col < len) {
click_defs[col++] = cur_click_def;
if (col < len) {
while (col < len) {
click_defs[col++] = cur_click_def;
}
} else {
xfree(cur_click_def.func);
}
buf = (char *)click_recs[i].start;
cur_click_def = click_recs[i].def;
@ -242,8 +246,12 @@ void stl_fill_click_defs(StlClickDefinition *click_defs, StlClickRecord *click_r
cur_click_def.type = kStlClickDisabled;
}
}
while (col < width) {
click_defs[col++] = cur_click_def;
if (col < width) {
while (col < width) {
click_defs[col++] = cur_click_def;
}
} else {
xfree(cur_click_def.func);
}
}

10
test/functional/ui/statusline_spec.lua
View File

@ -164,6 +164,16 @@ describe('statusline clicks', function()
meths.input_mouse('right', 'press', '', 0, 6, 5)
eq('0 1 r', eval("g:testvar"))
end)
it('no memory leak with zero-width click labels', function()
command([[
let &stl = '%@Test@%T%@MyClickFunc@%=%T%@Test@'
]])
meths.input_mouse('left', 'press', '', 0, 6, 0)
eq('0 1 l', eval("g:testvar"))
meths.input_mouse('right', 'press', '', 0, 6, 39)
eq('0 1 r', eval("g:testvar"))
end)
end)
describe('global statusline', function()