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-rw-r--r--src/lib/openjp2/t1.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/lib/openjp2/t1.c b/src/lib/openjp2/t1.c
index 1e9480bd..1bf7205e 100644
--- a/src/lib/openjp2/t1.c
+++ b/src/lib/openjp2/t1.c
@@ -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);