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More robust handling of zeroblob() with oversized arguments. Fix fuzzcheck

so that it can be run with limited heap memory.

FossilOrigin-Name: 4e3e516a42059c97f42a7eb59bdf5cded0ff843a
This commit is contained in:
drh
2015-07-24 15:49:23 +00:00
parent 03bc525a51
commit 53e66c3cda
10 changed files with 105 additions and 28 deletions

View File

@@ -162,7 +162,7 @@ int sqlite3_clear_bindings(sqlite3_stmt *pStmt){
const void *sqlite3_value_blob(sqlite3_value *pVal){
Mem *p = (Mem*)pVal;
if( p->flags & (MEM_Blob|MEM_Str) ){
sqlite3VdbeMemExpandBlob(p);
if( sqlite3VdbeMemExpandBlob(p)!=SQLITE_OK ) return 0;
p->flags |= MEM_Blob;
return p->n ? p->z : 0;
}else{