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Fix crash recently introduced when deleting at buffer start in insert mode

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This commit is contained in:
Maxime Coste 2017-06-15 17:33:42 +01:00
parent e6c4bed42b
commit 01a1e92b79
4 changed files with 7 additions and 2 deletions
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4
src/input_handler.cc
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@ -1110,7 +1110,9 @@ public:
sels.emplace_back(buffer.char_prev(pos)); sels.emplace_back(buffer.char_prev(pos));
} }
auto& main = context().selections().main(); auto& main = context().selections().main();
String main_char = buffer.string(buffer.char_prev(main.cursor()), String main_char;
if (main.cursor() != BufferCoord{0, 0})
main_char = buffer.string(buffer.char_prev(main.cursor()),
main.cursor()); main.cursor());
if (not sels.empty()) if (not sels.empty())
SelectionList{buffer, std::move(sels)}.erase(); SelectionList{buffer, std::move(sels)}.erase();

1
test/regression/0-crash-on-backspace-at-buffer-begin/cmd Normal file
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@ -0,0 +1 @@
i<backspace><esc>

1
test/regression/0-crash-on-backspace-at-buffer-begin/in Normal file
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@ -0,0 +1 @@

1
test/regression/0-crash-on-backspace-at-buffer-begin/out Normal file
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@ -0,0 +1 @@