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Shell: Don't crash when stdout is not a TTY

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Let's just pretend we have 80 columns while running non-interactively.
There are definitely nicer solutions here, and we should find them.
This commit is contained in:
Andreas Kling 2020-01-19 13:51:43 +01:00
parent 6eab7b398d
commit 6ca1a46afd
Notes: sideshowbarker 2024-07-19 09:57:32 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/6ca1a46afd9
1 changed files with 4 additions and 3 deletions
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7
Shell/LineEditor.cpp
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@ -34,9 +34,10 @@
LineEditor::LineEditor()
{
struct winsize ws;
int rc = ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws);
ASSERT(rc == 0);
m_num_columns = ws.ws_col;
if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) < 0)
m_num_columns = 80;
else
m_num_columns = ws.ws_col;
}
LineEditor::~LineEditor()