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Fix segfaults that can occur if a malloc failure happens just before

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a built-in function calls sqlite3_value_text(). (CVS 3874)

FossilOrigin-Name: 9cb0ed6ee9827bc6884a0195044d5b6ad0de698e
This commit is contained in:
drh
2007-04-25 18:23:52 +00:00
parent 0b3d55d4f9
commit 7a521cfb79
6 changed files with 214 additions and 42 deletions
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src/vdbeapi.c
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@@ -443,7 +443,7 @@ static Mem *columnMem(sqlite3_stmt *pStmt, int i){
Vdbe *pVm = (Vdbe *)pStmt;
int vals = sqlite3_data_count(pStmt);
if( i>=vals || i<0 ){
static const Mem nullMem = {{0}, 0.0, "", 0, MEM_Null, MEM_Null };
static const Mem nullMem = {{0}, 0.0, "", 0, MEM_Null, SQLITE_NULL };
sqlite3Error(pVm->db, SQLITE_RANGE, 0);
return (Mem*)&nullMem;
}