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Don't dereference NULL pointer.

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This commit is contained in:
mycroft 1993-04-20 22:05:34 +00:00
parent 1812390e23
commit 9188800c31
1 changed files with 4 additions and 1 deletions
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5
games/snake/snake/move.c
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@ -601,7 +601,10 @@ getcap()
KR = tgetstr("kr", &ap);
KU = tgetstr("ku", &ap);
KD = tgetstr("kd", &ap);
Klength = strlen(KL);
if (KL && KR && KU && KD)
Klength = strlen(KL);
else
Klength = 0;
/* NOTE: If KL, KR, KU, and KD are not
* all the same length, some problems
* may arise, since tests are made on