generic-library/openjpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge pull request #767 from julienmalik/fix_memset_null_pointer

Browse Source 
Fix UBSan gcc warning for first arg to memset non null
This commit is contained in:
julienmalik
2016-05-02 14:34:32 +02:00
parent da56086e01 e1e018a8dc
commit ba0cf122f6
1 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/lib/openjp2/t1.c
View File

@@ -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);