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AP_Notify: Add a NULL pointer check.

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This commit is contained in:
murata 2017-01-23 06:28:06 +09:00 committed by Tom Pittenger
parent 19b21b4012
commit 34e491f168
1 changed files with 3 additions and 0 deletions
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3
libraries/AP_Notify/Display.cpp
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@ -356,6 +356,9 @@ void Display::update_all()
void Display::draw_text(uint16_t x, uint16_t y, const char* c)
{
if (nullptr == c) {
return;
}
while (*c != 0) {
draw_char(x, y, *c);
x += 7;