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Fix UBSan gcc warning for first arg to memset non null

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This commit is contained in:
Julien Malik 2016-05-02 12:13:24 +02:00
parent b51d088267
commit e1e018a8dc
1 changed files with 4 additions and 1 deletions
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5
src/lib/openjp2/t1.c
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@ -1180,7 +1180,10 @@ static OPJ_BOOL opj_t1_allocate_buffers(
}
t1->datasize=datasize;
}
memset(t1->data,0,datasize * sizeof(OPJ_INT32));
/* memset first arg is declared to never be null by gcc */
if (t1->data != NULL) {
memset(t1->data,0,datasize * sizeof(OPJ_INT32));
}
}
t1->flags_stride=w+2;
flagssize=t1->flags_stride * (h+2);