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top: Don't print more lines than the terminal can fit

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This commit is contained in:
Andreas Kling 2020-07-27 17:04:47 +02:00
parent b6e29656a1
commit 9f752ce1f6
1 changed files with 4 additions and 0 deletions
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4
Userland/top.cpp
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@ -211,6 +211,7 @@ int main(int, char**)
return p2->times_scheduled_since_prev < p1->times_scheduled_since_prev; return p2->times_scheduled_since_prev < p1->times_scheduled_since_prev;
}); });
int row = 0;
for (auto* thread : threads) { for (auto* thread : threads) {
int nprinted = printf("%6d %3d %2u %-9s %-10s %6zu %6zu %2u.%1u ", int nprinted = printf("%6d %3d %2u %-9s %-10s %6zu %6zu %2u.%1u ",
thread->pid, thread->pid,
@ -226,6 +227,9 @@ int main(int, char**)
int remaining = g_window_size.ws_col - nprinted; int remaining = g_window_size.ws_col - nprinted;
fwrite(thread->name.characters(), 1, max(0, min(remaining, (int)thread->name.length())), stdout); fwrite(thread->name.characters(), 1, max(0, min(remaining, (int)thread->name.length())), stdout);
putchar('\n'); putchar('\n');
if (++row >= (g_window_size.ws_row - 2))
break;
} }
threads.clear_with_capacity(); threads.clear_with_capacity();
prev = move(current); prev = move(current);